common

mnemo_cards_backend

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-Subproject commit 76d5f8efdb7e71bcb375f3e4c80eca666ecb9aa3

mnemo_cards_common

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-Subproject commit 22e65dcc3650f220eeacbd94c866f0e37b0a94a0

mnemo_cards_common/CHANGELOG.md

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+## 0.0.1
+
+* TODO: Describe initial release.

mnemo_cards_common/LICENSE

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+TODO: Add your license here.

mnemo_cards_common/README.md

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+<!--
+This README describes the package. If you publish this package to pub.dev,
+this README's contents appear on the landing page for your package.
+
+For information about how to write a good package README, see the guide for
+[writing package pages](https://dart.dev/guides/libraries/writing-package-pages).
+
+For general information about developing packages, see the Dart guide for
+[creating packages](https://dart.dev/guides/libraries/create-library-packages)
+and the Flutter guide for
+[developing packages and plugins](https://flutter.dev/developing-packages).
+-->
+
+TODO: Put a short description of the package here that helps potential users
+know whether this package might be useful for them.
+
+## Features
+
+TODO: List what your package can do. Maybe include images, gifs, or videos.
+
+## Getting started
+
+TODO: List prerequisites and provide or point to information on how to
+start using the package.
+
+## Usage
+
+TODO: Include short and useful examples for package users. Add longer examples
+to `/example` folder.
+
+```dart
+const like = 'sample';
+```
+
+## Additional information
+
+TODO: Tell users more about the package: where to find more information, how to
+contribute to the package, how to file issues, what response they can expect
+from the package authors, and more.

mnemo_cards_common/analysis_options.yaml

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+include: package:flutter_lints/flutter.yaml
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

mnemo_cards_common/codegen.sh

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+#!/bin/bash
+dart run build_runner build --delete-conflicting-outputs

mnemo_cards_common/food_tests/eda_test_ne_znau_gramatica.json

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+{
+  "pack": "3",
+  "data": [
+    {
+      "es": "zumo de mora",
+      "ru": "сок из ежевики"
+    },
+    {
+      "es": "zumo de col",
+      "ru": "сок из капусты"
+    },
+    {
+      "es": "zumo de zanahoria",
+      "ru": "морковный сок"
+    },
+    {
+      "es": "zumo de sandía",
+      "ru": "арбузный сок"
+    },
+    {
+      "es": "zumo de fresa",
+      "ru": "клубничный сок"
+    },
+    {
+      "es": "zumo de piña",
+      "ru": "ананасовый сок"
+    },
+    {
+      "es": "zumo de calabaza",
+      "ru": "тыквенный сок"
+    },
+    {
+      "es": "pastel de queso",
+      "ru": "чизкейк"
+    },
+    {
+      "es": "pastel de zanahoria",
+      "ru": "морковный торт"
+    },
+    {
+      "es": "pastel de fresa",
+      "ru": "клубничный торт"
+    },
+    {
+      "es": "pastel de piña",
+      "ru": "ананасовый торт"
+    },
+    {
+      "es": "pastel de calabaza",
+      "ru": "тыквенный торт"
+    },
+    {
+      "es": "pastel de plátano",
+      "ru": "банановый торт"
+    },
+    {
+      "es": "pastel de higo",
+      "ru": "торт с инжиром"
+    }
+  ]
+}

mnemo_cards_common/lib/mnemo_cards_common.dart

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+library mnemo_cards_common;
+
+export 'src/dtos/packs/card_pack_action.dart';
+export 'src/dtos/packs/card_pack_dto.dart';
+export 'src/dtos/packs/edit_card_pack_dto.dart';
+export 'src/dtos/packs/card_pack_buy_dto.dart';
+export 'src/dtos/packs/card_pack_loading_dto.dart';
+export 'src/dtos/packs/card_pack_preview_dto.dart';
+export 'src/dtos/packs/pack_tip.dart';
+export 'src/dtos/packs/get_card_pack_response.dart';
+export 'src/dtos/game_card_dto.dart';
+
+export 'src/dtos/payment/export.dart';
+
+export 'src/dtos/promo_codes/promo_codes_campaign_dto.dart';
+export 'src/dtos/discounts/discount_campaign_dto.dart';
+export 'src/dtos/discounts/discount_dto.dart';
+
+export 'src/dtos/user/user_dto.dart';
+export 'src/dtos/user/data/user_data_dto.dart';
+export 'src/dtos/user/data/word_statistics_dto.dart';
+export 'src/dtos/user/data/all_words_statistics_dto.dart';
+export 'src/dtos/game_tests/test_statistics_dto.dart';
+export 'src/dtos/user/data/all_tests_statistics_dto.dart';
+export 'src/dtos/user/promo_code_dto.dart';
+export 'src/dtos/user/settings/user_settings_dto.dart';
+export 'src/dtos/user/enums.dart';
+
+// NEW: Extended statistics DTOs
+export 'src/dtos/user/data/pack_progress_dto.dart';
+export 'src/dtos/user/achievement_dto.dart';
+export 'src/dtos/user/data/detailed_word_statistics_dto.dart';
+export 'src/dtos/user/study_session_dto.dart';
+
+export 'src/dtos/games/game_dto.dart';
+
+export 'src/dtos/game_tests/test_bodies/input_buttons_test_question_body.dart';
+export 'src/dtos/game_tests/test_bodies/simple_test_question.dart';
+export 'src/dtos/game_tests/test_bodies/abstract_test_question.dart';
+
+export 'src/dtos/subscription/subscription_plan_admin_dto.dart';
+export 'src/dtos/subscription/subscription_plan_dto.dart';
+export 'src/dtos/subscription/subscription_features.dart';
+export 'src/dtos/subscription/subscription_plan_ui_dto.dart';
+
+export 'src/dtos/game_tests/test.dart';
+export 'src/dtos/game_tests/test_button.dart';
+export 'src/dtos/game_tests/test_question_type.dart';
+
+export 'src/dtos/items/items.dart';
+
+export 'src/utils/utils.dart';
+export 'src/utils/iterable_helper.dart';
+export 'src/utils/token_generator.dart';
+export 'src/app_headers.dart';
+
+export 'src/deeplinks/export.dart';

mnemo_cards_common/lib/src/app_headers.dart

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+class AppHeaders {
+  static const String userToken = 'user_token';
+  static const String requestToken = 'request_token';
+  static const String appVersion = 'app_version';
+}

mnemo_cards_common/lib/src/deeplinks/deeplink.dart

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+import 'package:mnemo_cards_common/mnemo_cards_common.dart';
+
+abstract mixin class MnemoCardsDeeplink {
+  String get host;
+
+  String get path;
+
+  Map<String, dynamic>? get queryParameters;
+
+  Uri get uri => Uri(
+        scheme: 'mnemocards',
+        host: host,
+        path: path.notEmptyOrNull,
+        queryParameters: queryParameters,
+      );
+}

mnemo_cards_common/lib/src/deeplinks/export.dart

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+export 'purchase_check.dart';
+export 'purchase_init.dart';
+export 'subscription_open.dart';
+export 'product_for_ad.dart';
+export 'deeplink.dart';

mnemo_cards_common/lib/src/deeplinks/product_for_ad.dart

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+import 'package:json_annotation/json_annotation.dart';
+import 'package:mnemo_cards_common/src/deeplinks/deeplink.dart';
+
+import '../dtos/payment/export.dart';
+
+class ProductForAdDeeplink with MnemoCardsDeeplink {
+  final MnemoCardsProductDto product;
+  final String key;
+
+  static const deeplinkPath = 'open';
+
+  ProductForAdDeeplink(this.product, this.key);
+
+  @override
+  String get host => 'ad';
+
+  @override
+  String get path => deeplinkPath;
+
+  @override
+  Map<String, dynamic>? get queryParameters => {
+        'key': key,
+        'id': product.id,
+        'type': product.toJson()['type'],
+      };
+
+  factory ProductForAdDeeplink.parse(Uri uri) => ProductForAdDeeplink(
+        MnemoCardsProductDto.fromJson(uri.queryParameters),
+        uri.queryParameters['key'] as String,
+      );
+}

mnemo_cards_common/lib/src/deeplinks/purchase_check.dart

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+import 'package:json_annotation/json_annotation.dart';
+import 'package:mnemo_cards_common/src/deeplinks/deeplink.dart';
+
+import '../dtos/payment/export.dart';
+
+part 'purchase_check.g.dart';
+
+@JsonSerializable()
+class PurchaseCheckDeeplink with MnemoCardsDeeplink {
+  final String id;
+
+  @JsonKey(
+    fromJson: MnemoCardsProductType.fromName,
+    toJson: MnemoCardsProductType.toName,
+  )
+  final MnemoCardsProductType productType;
+
+  // For yookassa - same as payment model id
+  final String token;
+
+  @JsonKey(unknownEnumValue: PaymentSystem.unknown)
+  final PaymentSystem paymentSystem;
+
+  static const deeplinkPath = 'check';
+
+  PurchaseCheckDeeplink({
+    required this.id,
+    required this.productType,
+    required this.token,
+    required this.paymentSystem,
+  });
+
+  @override
+  String get host => 'purchase';
+
+  @override
+  String get path => deeplinkPath;
+
+  @override
+  Map<String, dynamic>? get queryParameters =>
+      _$PurchaseCheckDeeplinkToJson(this);
+
+  factory PurchaseCheckDeeplink.parse(Uri uri) =>
+      _$PurchaseCheckDeeplinkFromJson(uri.queryParameters);
+}

mnemo_cards_common/lib/src/deeplinks/purchase_check.g.dart

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+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'purchase_check.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+PurchaseCheckDeeplink _$PurchaseCheckDeeplinkFromJson(
+        Map<String, dynamic> json) =>
+    PurchaseCheckDeeplink(
+      id: json['id'] as String,
+      productType:
+          MnemoCardsProductType.fromName(json['productType'] as String),
+      token: json['token'] as String,
+      paymentSystem: $enumDecode(_$PaymentSystemEnumMap, json['paymentSystem'],
+          unknownValue: PaymentSystem.unknown),
+    );
+
+Map<String, dynamic> _$PurchaseCheckDeeplinkToJson(
+        PurchaseCheckDeeplink instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'productType': MnemoCardsProductType.toName(instance.productType),
+      'token': instance.token,
+      'paymentSystem': _$PaymentSystemEnumMap[instance.paymentSystem]!,
+    };
+
+const _$PaymentSystemEnumMap = {
+  PaymentSystem.google: 'google',
+  PaymentSystem.apple: 'apple',
+  PaymentSystem.rustore: 'rustore',
+  PaymentSystem.yookassa: 'yookassa',
+  PaymentSystem.promoCode: 'promoCode',
+  PaymentSystem.adView: 'adView',
+  PaymentSystem.unknown: 'unknown',
+};

mnemo_cards_common/lib/src/deeplinks/purchase_init.dart

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+import 'package:json_annotation/json_annotation.dart';
+import 'package:mnemo_cards_common/src/deeplinks/deeplink.dart';
+
+import '../dtos/payment/export.dart';
+
+part 'purchase_init.g.dart';
+
+@JsonSerializable()
+class PurchaseInitDeeplink with MnemoCardsDeeplink {
+  final String id;
+
+  @JsonKey(
+    fromJson: MnemoCardsProductType.fromName,
+    toJson: MnemoCardsProductType.toName,
+  )
+  final MnemoCardsProductType productType;
+  final String paymentId;
+
+  @JsonKey(unknownEnumValue: PaymentSystem.unknown)
+  final PaymentSystem paymentSystem;
+  final String? source;
+
+  static const deeplinkPath = 'init';
+
+  PurchaseInitDeeplink({
+    required this.id,
+    required this.productType,
+    required this.paymentId,
+    required this.paymentSystem,
+    this.source,
+  });
+
+  @override
+  String get host => 'purchase';
+
+  @override
+  String get path => deeplinkPath;
+
+  @override
+  Map<String, dynamic>? get queryParameters =>
+      _$PurchaseInitDeeplinkToJson(this);
+
+  factory PurchaseInitDeeplink.parse(Uri uri) =>
+      _$PurchaseInitDeeplinkFromJson(uri.queryParameters);
+}

mnemo_cards_common/lib/src/deeplinks/purchase_init.g.dart

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+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'purchase_init.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+PurchaseInitDeeplink _$PurchaseInitDeeplinkFromJson(
+        Map<String, dynamic> json) =>
+    PurchaseInitDeeplink(
+      id: json['id'] as String,
+      productType:
+          MnemoCardsProductType.fromName(json['productType'] as String),
+      paymentId: json['paymentId'] as String,
+      paymentSystem: $enumDecode(_$PaymentSystemEnumMap, json['paymentSystem'],
+          unknownValue: PaymentSystem.unknown),
+      source: json['source'] as String?,
+    );
+
+Map<String, dynamic> _$PurchaseInitDeeplinkToJson(
+        PurchaseInitDeeplink instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'productType': MnemoCardsProductType.toName(instance.productType),
+      'paymentId': instance.paymentId,
+      'paymentSystem': _$PaymentSystemEnumMap[instance.paymentSystem]!,
+      'source': instance.source,
+    };
+
+const _$PaymentSystemEnumMap = {
+  PaymentSystem.google: 'google',
+  PaymentSystem.apple: 'apple',
+  PaymentSystem.rustore: 'rustore',
+  PaymentSystem.yookassa: 'yookassa',
+  PaymentSystem.promoCode: 'promoCode',
+  PaymentSystem.adView: 'adView',
+  PaymentSystem.unknown: 'unknown',
+};

mnemo_cards_common/lib/src/deeplinks/subscription_open.dart

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+import 'package:json_annotation/json_annotation.dart';
+import 'package:mnemo_cards_common/src/deeplinks/deeplink.dart';
+
+
+part 'subscription_open.g.dart';
+
+@JsonSerializable()
+class SubscriptionOpenDeeplink with MnemoCardsDeeplink {
+
+  static const deeplinkPath = 'open';
+
+  SubscriptionOpenDeeplink();
+
+  @override
+  String get host => 'subscription';
+
+  @override
+  String get path => deeplinkPath;
+
+  @override
+  Map<String, dynamic>? get queryParameters =>
+      _$SubscriptionOpenDeeplinkToJson(this);
+
+  factory SubscriptionOpenDeeplink.parse(Uri uri) =>
+      _$SubscriptionOpenDeeplinkFromJson(uri.queryParameters);
+}

mnemo_cards_common/lib/src/deeplinks/subscription_open.g.dart

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+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'subscription_open.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+SubscriptionOpenDeeplink _$SubscriptionOpenDeeplinkFromJson(
+        Map<String, dynamic> json) =>
+    SubscriptionOpenDeeplink();
+
+Map<String, dynamic> _$SubscriptionOpenDeeplinkToJson(
+        SubscriptionOpenDeeplink instance) =>
+    <String, dynamic>{};

mnemo_cards_common/lib/src/dtos/discounts/discount_campaign_dto.dart

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+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:mnemo_cards_common/src/dtos/discounts/discount_dto.dart';
+
+
+part 'discount_campaign_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class DiscountCampaignDto {
+  final int? id;
+  final DateTime start;
+  final DateTime finish;
+  final DiscountCampaignStatus status;
+  final String? name;
+  final List<String> tags;
+  final List<DiscountDto> discounts;
+
+  const DiscountCampaignDto({
+    required this.start,
+    required this.finish,
+    required this.status,
+    required this.tags,
+    required this.discounts,
+    this.name,
+    this.id,
+  });
+
+  factory DiscountCampaignDto.fromJson(Map<String, dynamic> json) =>
+      _$DiscountCampaignDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$DiscountCampaignDtoToJson(this);
+}
+
+enum DiscountCampaignStatus {
+  created,
+  active,
+  expired,
+  disabled,
+}

mnemo_cards_common/lib/src/dtos/discounts/discount_campaign_dto.g.dart

@@ -0,0 +1,161 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'discount_campaign_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$DiscountCampaignDtoCWProxy {
+  DiscountCampaignDto start(DateTime start);
+
+  DiscountCampaignDto finish(DateTime finish);
+
+  DiscountCampaignDto status(DiscountCampaignStatus status);
+
+  DiscountCampaignDto tags(List<String> tags);
+
+  DiscountCampaignDto discounts(List<DiscountDto> discounts);
+
+  DiscountCampaignDto name(String? name);
+
+  DiscountCampaignDto id(int? id);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `DiscountCampaignDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// DiscountCampaignDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  DiscountCampaignDto call({
+    DateTime? start,
+    DateTime? finish,
+    DiscountCampaignStatus? status,
+    List<String>? tags,
+    List<DiscountDto>? discounts,
+    String? name,
+    int? id,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfDiscountCampaignDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfDiscountCampaignDto.copyWith.fieldName(...)`
+class _$DiscountCampaignDtoCWProxyImpl implements _$DiscountCampaignDtoCWProxy {
+  const _$DiscountCampaignDtoCWProxyImpl(this._value);
+
+  final DiscountCampaignDto _value;
+
+  @override
+  DiscountCampaignDto start(DateTime start) => this(start: start);
+
+  @override
+  DiscountCampaignDto finish(DateTime finish) => this(finish: finish);
+
+  @override
+  DiscountCampaignDto status(DiscountCampaignStatus status) =>
+      this(status: status);
+
+  @override
+  DiscountCampaignDto tags(List<String> tags) => this(tags: tags);
+
+  @override
+  DiscountCampaignDto discounts(List<DiscountDto> discounts) =>
+      this(discounts: discounts);
+
+  @override
+  DiscountCampaignDto name(String? name) => this(name: name);
+
+  @override
+  DiscountCampaignDto id(int? id) => this(id: id);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `DiscountCampaignDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// DiscountCampaignDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  DiscountCampaignDto call({
+    Object? start = const $CopyWithPlaceholder(),
+    Object? finish = const $CopyWithPlaceholder(),
+    Object? status = const $CopyWithPlaceholder(),
+    Object? tags = const $CopyWithPlaceholder(),
+    Object? discounts = const $CopyWithPlaceholder(),
+    Object? name = const $CopyWithPlaceholder(),
+    Object? id = const $CopyWithPlaceholder(),
+  }) {
+    return DiscountCampaignDto(
+      start: start == const $CopyWithPlaceholder() || start == null
+          ? _value.start
+          // ignore: cast_nullable_to_non_nullable
+          : start as DateTime,
+      finish: finish == const $CopyWithPlaceholder() || finish == null
+          ? _value.finish
+          // ignore: cast_nullable_to_non_nullable
+          : finish as DateTime,
+      status: status == const $CopyWithPlaceholder() || status == null
+          ? _value.status
+          // ignore: cast_nullable_to_non_nullable
+          : status as DiscountCampaignStatus,
+      tags: tags == const $CopyWithPlaceholder() || tags == null
+          ? _value.tags
+          // ignore: cast_nullable_to_non_nullable
+          : tags as List<String>,
+      discounts: discounts == const $CopyWithPlaceholder() || discounts == null
+          ? _value.discounts
+          // ignore: cast_nullable_to_non_nullable
+          : discounts as List<DiscountDto>,
+      name: name == const $CopyWithPlaceholder()
+          ? _value.name
+          // ignore: cast_nullable_to_non_nullable
+          : name as String?,
+      id: id == const $CopyWithPlaceholder()
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as int?,
+    );
+  }
+}
+
+extension $DiscountCampaignDtoCopyWith on DiscountCampaignDto {
+  /// Returns a callable class that can be used as follows: `instanceOfDiscountCampaignDto.copyWith(...)` or like so:`instanceOfDiscountCampaignDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$DiscountCampaignDtoCWProxy get copyWith =>
+      _$DiscountCampaignDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+DiscountCampaignDto _$DiscountCampaignDtoFromJson(Map<String, dynamic> json) =>
+    DiscountCampaignDto(
+      start: DateTime.parse(json['start'] as String),
+      finish: DateTime.parse(json['finish'] as String),
+      status: $enumDecode(_$DiscountCampaignStatusEnumMap, json['status']),
+      tags: (json['tags'] as List<dynamic>).map((e) => e as String).toList(),
+      discounts: (json['discounts'] as List<dynamic>)
+          .map((e) => DiscountDto.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      name: json['name'] as String?,
+      id: json['id'] as int?,
+    );
+
+Map<String, dynamic> _$DiscountCampaignDtoToJson(
+        DiscountCampaignDto instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'start': instance.start.toIso8601String(),
+      'finish': instance.finish.toIso8601String(),
+      'status': _$DiscountCampaignStatusEnumMap[instance.status]!,
+      'name': instance.name,
+      'tags': instance.tags,
+      'discounts': instance.discounts,
+    };
+
+const _$DiscountCampaignStatusEnumMap = {
+  DiscountCampaignStatus.created: 'created',
+  DiscountCampaignStatus.active: 'active',
+  DiscountCampaignStatus.expired: 'expired',
+  DiscountCampaignStatus.disabled: 'disabled',
+};

mnemo_cards_common/lib/src/dtos/discounts/discount_dto.dart

@@ -0,0 +1,28 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+import '../payment/export.dart';
+
+part 'discount_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class DiscountDto implements MnemoCardsProductDto {
+  String? id;
+  final double discountPercent; // 0 - 100
+  final List<MnemoCardsProductDto> products;
+
+  DiscountDto({
+    required this.discountPercent,
+    required this.products,
+    this.id,
+  });
+
+  factory DiscountDto.fromJson(Map<String, dynamic> json) =>
+      _$DiscountDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$DiscountDtoToJson(this);
+
+  @override
+  MnemoCardsProductType get type => MnemoCardsProductType.discount;
+}

mnemo_cards_common/lib/src/dtos/discounts/discount_dto.g.dart

@@ -0,0 +1,100 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'discount_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$DiscountDtoCWProxy {
+  DiscountDto discountPercent(double discountPercent);
+
+  DiscountDto products(List<MnemoCardsProductDto> products);
+
+  DiscountDto id(String? id);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `DiscountDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// DiscountDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  DiscountDto call({
+    double? discountPercent,
+    List<MnemoCardsProductDto>? products,
+    String? id,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfDiscountDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfDiscountDto.copyWith.fieldName(...)`
+class _$DiscountDtoCWProxyImpl implements _$DiscountDtoCWProxy {
+  const _$DiscountDtoCWProxyImpl(this._value);
+
+  final DiscountDto _value;
+
+  @override
+  DiscountDto discountPercent(double discountPercent) =>
+      this(discountPercent: discountPercent);
+
+  @override
+  DiscountDto products(List<MnemoCardsProductDto> products) =>
+      this(products: products);
+
+  @override
+  DiscountDto id(String? id) => this(id: id);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `DiscountDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// DiscountDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  DiscountDto call({
+    Object? discountPercent = const $CopyWithPlaceholder(),
+    Object? products = const $CopyWithPlaceholder(),
+    Object? id = const $CopyWithPlaceholder(),
+  }) {
+    return DiscountDto(
+      discountPercent: discountPercent == const $CopyWithPlaceholder() ||
+              discountPercent == null
+          ? _value.discountPercent
+          // ignore: cast_nullable_to_non_nullable
+          : discountPercent as double,
+      products: products == const $CopyWithPlaceholder() || products == null
+          ? _value.products
+          // ignore: cast_nullable_to_non_nullable
+          : products as List<MnemoCardsProductDto>,
+      id: id == const $CopyWithPlaceholder()
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String?,
+    );
+  }
+}
+
+extension $DiscountDtoCopyWith on DiscountDto {
+  /// Returns a callable class that can be used as follows: `instanceOfDiscountDto.copyWith(...)` or like so:`instanceOfDiscountDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$DiscountDtoCWProxy get copyWith => _$DiscountDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+DiscountDto _$DiscountDtoFromJson(Map<String, dynamic> json) => DiscountDto(
+      discountPercent: (json['discountPercent'] as num).toDouble(),
+      products: (json['products'] as List<dynamic>)
+          .map((e) => MnemoCardsProductDto.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      id: json['id'] as String?,
+    );
+
+Map<String, dynamic> _$DiscountDtoToJson(DiscountDto instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'discountPercent': instance.discountPercent,
+      'products': instance.products,
+    };

mnemo_cards_common/lib/src/dtos/game_card_dto.dart

@@ -0,0 +1,35 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+part 'game_card_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class GameCardDto {
+  final int id;
+  final String? image;
+  final String? mnemo;
+  final String? original;
+  final String? translation;
+  final String? transcription;
+  final String? imageBack;
+  final String? transcriptionMnemo;
+  final String? back;
+
+  const GameCardDto({
+    required this.id,
+    required this.mnemo,
+    required this.original,
+    required this.translation,
+    required this.transcription,
+    this.transcriptionMnemo,
+    this.image,
+    this.imageBack,
+    this.back,
+  });
+
+  factory GameCardDto.fromJson(Map<String, dynamic> json) =>
+      _$GameCardDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$GameCardDtoToJson(this);
+}

mnemo_cards_common/lib/src/dtos/game_card_dto.g.dart

@@ -0,0 +1,176 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'game_card_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$GameCardDtoCWProxy {
+  GameCardDto id(int id);
+
+  GameCardDto mnemo(String? mnemo);
+
+  GameCardDto original(String? original);
+
+  GameCardDto translation(String? translation);
+
+  GameCardDto transcription(String? transcription);
+
+  GameCardDto transcriptionMnemo(String? transcriptionMnemo);
+
+  GameCardDto image(String? image);
+
+  GameCardDto imageBack(String? imageBack);
+
+  GameCardDto back(String? back);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `GameCardDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// GameCardDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  GameCardDto call({
+    int? id,
+    String? mnemo,
+    String? original,
+    String? translation,
+    String? transcription,
+    String? transcriptionMnemo,
+    String? image,
+    String? imageBack,
+    String? back,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfGameCardDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfGameCardDto.copyWith.fieldName(...)`
+class _$GameCardDtoCWProxyImpl implements _$GameCardDtoCWProxy {
+  const _$GameCardDtoCWProxyImpl(this._value);
+
+  final GameCardDto _value;
+
+  @override
+  GameCardDto id(int id) => this(id: id);
+
+  @override
+  GameCardDto mnemo(String? mnemo) => this(mnemo: mnemo);
+
+  @override
+  GameCardDto original(String? original) => this(original: original);
+
+  @override
+  GameCardDto translation(String? translation) =>
+      this(translation: translation);
+
+  @override
+  GameCardDto transcription(String? transcription) =>
+      this(transcription: transcription);
+
+  @override
+  GameCardDto transcriptionMnemo(String? transcriptionMnemo) =>
+      this(transcriptionMnemo: transcriptionMnemo);
+
+  @override
+  GameCardDto image(String? image) => this(image: image);
+
+  @override
+  GameCardDto imageBack(String? imageBack) => this(imageBack: imageBack);
+
+  @override
+  GameCardDto back(String? back) => this(back: back);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `GameCardDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// GameCardDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  GameCardDto call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? mnemo = const $CopyWithPlaceholder(),
+    Object? original = const $CopyWithPlaceholder(),
+    Object? translation = const $CopyWithPlaceholder(),
+    Object? transcription = const $CopyWithPlaceholder(),
+    Object? transcriptionMnemo = const $CopyWithPlaceholder(),
+    Object? image = const $CopyWithPlaceholder(),
+    Object? imageBack = const $CopyWithPlaceholder(),
+    Object? back = const $CopyWithPlaceholder(),
+  }) {
+    return GameCardDto(
+      id: id == const $CopyWithPlaceholder() || id == null
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as int,
+      mnemo: mnemo == const $CopyWithPlaceholder()
+          ? _value.mnemo
+          // ignore: cast_nullable_to_non_nullable
+          : mnemo as String?,
+      original: original == const $CopyWithPlaceholder()
+          ? _value.original
+          // ignore: cast_nullable_to_non_nullable
+          : original as String?,
+      translation: translation == const $CopyWithPlaceholder()
+          ? _value.translation
+          // ignore: cast_nullable_to_non_nullable
+          : translation as String?,
+      transcription: transcription == const $CopyWithPlaceholder()
+          ? _value.transcription
+          // ignore: cast_nullable_to_non_nullable
+          : transcription as String?,
+      transcriptionMnemo: transcriptionMnemo == const $CopyWithPlaceholder()
+          ? _value.transcriptionMnemo
+          // ignore: cast_nullable_to_non_nullable
+          : transcriptionMnemo as String?,
+      image: image == const $CopyWithPlaceholder()
+          ? _value.image
+          // ignore: cast_nullable_to_non_nullable
+          : image as String?,
+      imageBack: imageBack == const $CopyWithPlaceholder()
+          ? _value.imageBack
+          // ignore: cast_nullable_to_non_nullable
+          : imageBack as String?,
+      back: back == const $CopyWithPlaceholder()
+          ? _value.back
+          // ignore: cast_nullable_to_non_nullable
+          : back as String?,
+    );
+  }
+}
+
+extension $GameCardDtoCopyWith on GameCardDto {
+  /// Returns a callable class that can be used as follows: `instanceOfGameCardDto.copyWith(...)` or like so:`instanceOfGameCardDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$GameCardDtoCWProxy get copyWith => _$GameCardDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+GameCardDto _$GameCardDtoFromJson(Map<String, dynamic> json) => GameCardDto(
+      id: json['id'] as int,
+      mnemo: json['mnemo'] as String?,
+      original: json['original'] as String?,
+      translation: json['translation'] as String?,
+      transcription: json['transcription'] as String?,
+      transcriptionMnemo: json['transcriptionMnemo'] as String?,
+      image: json['image'] as String?,
+      imageBack: json['imageBack'] as String?,
+      back: json['back'] as String?,
+    );
+
+Map<String, dynamic> _$GameCardDtoToJson(GameCardDto instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'image': instance.image,
+      'mnemo': instance.mnemo,
+      'original': instance.original,
+      'translation': instance.translation,
+      'transcription': instance.transcription,
+      'imageBack': instance.imageBack,
+      'transcriptionMnemo': instance.transcriptionMnemo,
+      'back': instance.back,
+    };

mnemo_cards_common/lib/src/dtos/game_tests/test.dart

@@ -0,0 +1,50 @@
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:json_annotation/json_annotation.dart';
+import 'package:mnemo_cards_common/mnemo_cards_common.dart';
+
+part 'test.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class TestDto {
+  final List<AbstractTestQuestion> questions;
+  final String name;
+  final String? color;
+  final String? cover;
+  final String? version;
+  final String? time;
+  final String? timeSubtitle;
+  final TestStatisticsDto? statistics;
+
+  String? id;
+
+  TestDto({
+    this.id,
+    required this.questions,
+    required this.name,
+    this.time,
+    this.timeSubtitle,
+    this.color,
+    this.cover,
+    this.statistics,
+    this.version,
+  });
+
+  factory TestDto.fromJson(Map<String, dynamic> json) =>
+      _$TestDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$TestDtoToJson(this);
+
+  @override
+  int get hashCode => version.hashCode ^ statistics.hashCode ^ id.hashCode;
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+
+    return other is TestDto &&
+        other.statistics == statistics &&
+        other.version == version &&
+        other.id == id;
+  }
+}

mnemo_cards_common/lib/src/dtos/game_tests/test.g.dart

@@ -0,0 +1,180 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'test.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$TestDtoCWProxy {
+  TestDto id(String? id);
+
+  TestDto questions(List<AbstractTestQuestion> questions);
+
+  TestDto name(String name);
+
+  TestDto time(String? time);
+
+  TestDto timeSubtitle(String? timeSubtitle);
+
+  TestDto color(String? color);
+
+  TestDto cover(String? cover);
+
+  TestDto statistics(TestStatisticsDto? statistics);
+
+  TestDto version(String? version);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `TestDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// TestDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  TestDto call({
+    String? id,
+    List<AbstractTestQuestion>? questions,
+    String? name,
+    String? time,
+    String? timeSubtitle,
+    String? color,
+    String? cover,
+    TestStatisticsDto? statistics,
+    String? version,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfTestDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfTestDto.copyWith.fieldName(...)`
+class _$TestDtoCWProxyImpl implements _$TestDtoCWProxy {
+  const _$TestDtoCWProxyImpl(this._value);
+
+  final TestDto _value;
+
+  @override
+  TestDto id(String? id) => this(id: id);
+
+  @override
+  TestDto questions(List<AbstractTestQuestion> questions) =>
+      this(questions: questions);
+
+  @override
+  TestDto name(String name) => this(name: name);
+
+  @override
+  TestDto time(String? time) => this(time: time);
+
+  @override
+  TestDto timeSubtitle(String? timeSubtitle) =>
+      this(timeSubtitle: timeSubtitle);
+
+  @override
+  TestDto color(String? color) => this(color: color);
+
+  @override
+  TestDto cover(String? cover) => this(cover: cover);
+
+  @override
+  TestDto statistics(TestStatisticsDto? statistics) =>
+      this(statistics: statistics);
+
+  @override
+  TestDto version(String? version) => this(version: version);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `TestDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// TestDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  TestDto call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? questions = const $CopyWithPlaceholder(),
+    Object? name = const $CopyWithPlaceholder(),
+    Object? time = const $CopyWithPlaceholder(),
+    Object? timeSubtitle = const $CopyWithPlaceholder(),
+    Object? color = const $CopyWithPlaceholder(),
+    Object? cover = const $CopyWithPlaceholder(),
+    Object? statistics = const $CopyWithPlaceholder(),
+    Object? version = const $CopyWithPlaceholder(),
+  }) {
+    return TestDto(
+      id: id == const $CopyWithPlaceholder()
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String?,
+      questions: questions == const $CopyWithPlaceholder() || questions == null
+          ? _value.questions
+          // ignore: cast_nullable_to_non_nullable
+          : questions as List<AbstractTestQuestion>,
+      name: name == const $CopyWithPlaceholder() || name == null
+          ? _value.name
+          // ignore: cast_nullable_to_non_nullable
+          : name as String,
+      time: time == const $CopyWithPlaceholder()
+          ? _value.time
+          // ignore: cast_nullable_to_non_nullable
+          : time as String?,
+      timeSubtitle: timeSubtitle == const $CopyWithPlaceholder()
+          ? _value.timeSubtitle
+          // ignore: cast_nullable_to_non_nullable
+          : timeSubtitle as String?,
+      color: color == const $CopyWithPlaceholder()
+          ? _value.color
+          // ignore: cast_nullable_to_non_nullable
+          : color as String?,
+      cover: cover == const $CopyWithPlaceholder()
+          ? _value.cover
+          // ignore: cast_nullable_to_non_nullable
+          : cover as String?,
+      statistics: statistics == const $CopyWithPlaceholder()
+          ? _value.statistics
+          // ignore: cast_nullable_to_non_nullable
+          : statistics as TestStatisticsDto?,
+      version: version == const $CopyWithPlaceholder()
+          ? _value.version
+          // ignore: cast_nullable_to_non_nullable
+          : version as String?,
+    );
+  }
+}
+
+extension $TestDtoCopyWith on TestDto {
+  /// Returns a callable class that can be used as follows: `instanceOfTestDto.copyWith(...)` or like so:`instanceOfTestDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$TestDtoCWProxy get copyWith => _$TestDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+TestDto _$TestDtoFromJson(Map<String, dynamic> json) => TestDto(
+      id: json['id'] as String?,
+      questions: (json['questions'] as List<dynamic>)
+          .map((e) => AbstractTestQuestion.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      name: json['name'] as String,
+      time: json['time'] as String?,
+      timeSubtitle: json['timeSubtitle'] as String?,
+      color: json['color'] as String?,
+      cover: json['cover'] as String?,
+      statistics: json['statistics'] == null
+          ? null
+          : TestStatisticsDto.fromJson(
+              json['statistics'] as Map<String, dynamic>),
+      version: json['version'] as String?,
+    );
+
+Map<String, dynamic> _$TestDtoToJson(TestDto instance) => <String, dynamic>{
+      'questions': instance.questions,
+      'name': instance.name,
+      'color': instance.color,
+      'cover': instance.cover,
+      'version': instance.version,
+      'time': instance.time,
+      'timeSubtitle': instance.timeSubtitle,
+      'statistics': instance.statistics,
+      'id': instance.id,
+    };

mnemo_cards_common/lib/src/dtos/game_tests/test_bodies/abstract_test_question.dart

@@ -0,0 +1,40 @@
+
+import '../test_question_type.dart';
+import 'input_buttons_test_question_body.dart';
+import 'simple_test_question.dart';
+
+abstract class AbstractTestQuestion {
+  int? id;
+  final TestQuestionType questionType;
+  final String word;
+  final String? body;
+
+  AbstractTestQuestion({
+    required this.questionType,
+    required this.word,
+    this.body,
+    this.id,
+  });
+
+  Map<String, dynamic> toJson();
+
+  factory AbstractTestQuestion.fromJson(Map<String, dynamic> json) {
+    final questionType = TestQuestionType.values
+        .where((element) => element.name == json['questionType'])
+        .firstOrNull;
+    switch (questionType) {
+      case null:
+        throw Exception('Undefined type');
+      case TestQuestionType.simple:
+        return SimpleTestQuestionBody.fromJson(json);
+      case TestQuestionType.input_buttons:
+        return InputButtonsTestQuestionBody.fromJson(json);
+      case TestQuestionType.matrix:
+        throw UnimplementedError('Not implemented yet');
+      case TestQuestionType.match:
+        throw UnimplementedError('Not implemented yet');
+      case TestQuestionType.undefined:
+        throw UnimplementedError('Undefined type');
+    }
+  }
+}

mnemo_cards_common/lib/src/dtos/game_tests/test_bodies/input_buttons_test_question_body.dart

@@ -0,0 +1,48 @@
+
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:json_annotation/json_annotation.dart';
+
+import '../test_button.dart';
+import '../test_question_type.dart';
+import 'abstract_test_question.dart';
+
+part 'input_buttons_test_question_body.g.dart';
+
+@JsonSerializable(explicitToJson: true, includeIfNull: false)
+@CopyWith()
+class InputButtonsTestQuestionBody extends AbstractTestQuestion {
+  final String? image;
+  final String? text;
+  final String? audio;
+  final List<TestButtonDto> buttons;
+  final String answer;
+  final String template;
+
+  InputButtonsTestQuestionBody({
+    super.id,
+    required this.answer,
+    required this.buttons,
+    required this.template,
+    required super.word,
+    this.image,
+    this.text,
+    this.audio,
+    super.questionType = TestQuestionType.input_buttons,
+  });
+
+  factory InputButtonsTestQuestionBody.fromJson(Map<String, dynamic> json) =>
+      _$InputButtonsTestQuestionBodyFromJson(json);
+
+  Map<String, Object?> toJson() => _$InputButtonsTestQuestionBodyToJson(this);
+
+// @override
+// TestQuestionBody toTestQuestionBody() => TestQuestionBody(
+//       id: this.id,
+//       questionType: this.questionType,
+//       body: jsonEncode(toJson()),
+//     );
+}
+
+extension InputButtonsStringExt on String {
+  String get asTemplate => this.replaceAll(RegExp('[^ ]'), '_');
+}

mnemo_cards_common/lib/src/dtos/game_tests/test_bodies/input_buttons_test_question_body.g.dart

@@ -0,0 +1,203 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'input_buttons_test_question_body.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$InputButtonsTestQuestionBodyCWProxy {
+  InputButtonsTestQuestionBody id(int? id);
+
+  InputButtonsTestQuestionBody answer(String answer);
+
+  InputButtonsTestQuestionBody buttons(List<TestButtonDto> buttons);
+
+  InputButtonsTestQuestionBody template(String template);
+
+  InputButtonsTestQuestionBody word(String word);
+
+  InputButtonsTestQuestionBody image(String? image);
+
+  InputButtonsTestQuestionBody text(String? text);
+
+  InputButtonsTestQuestionBody audio(String? audio);
+
+  InputButtonsTestQuestionBody questionType(TestQuestionType questionType);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `InputButtonsTestQuestionBody(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// InputButtonsTestQuestionBody(...).copyWith(id: 12, name: "My name")
+  /// ````
+  InputButtonsTestQuestionBody call({
+    int? id,
+    String? answer,
+    List<TestButtonDto>? buttons,
+    String? template,
+    String? word,
+    String? image,
+    String? text,
+    String? audio,
+    TestQuestionType? questionType,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfInputButtonsTestQuestionBody.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfInputButtonsTestQuestionBody.copyWith.fieldName(...)`
+class _$InputButtonsTestQuestionBodyCWProxyImpl
+    implements _$InputButtonsTestQuestionBodyCWProxy {
+  const _$InputButtonsTestQuestionBodyCWProxyImpl(this._value);
+
+  final InputButtonsTestQuestionBody _value;
+
+  @override
+  InputButtonsTestQuestionBody id(int? id) => this(id: id);
+
+  @override
+  InputButtonsTestQuestionBody answer(String answer) => this(answer: answer);
+
+  @override
+  InputButtonsTestQuestionBody buttons(List<TestButtonDto> buttons) =>
+      this(buttons: buttons);
+
+  @override
+  InputButtonsTestQuestionBody template(String template) =>
+      this(template: template);
+
+  @override
+  InputButtonsTestQuestionBody word(String word) => this(word: word);
+
+  @override
+  InputButtonsTestQuestionBody image(String? image) => this(image: image);
+
+  @override
+  InputButtonsTestQuestionBody text(String? text) => this(text: text);
+
+  @override
+  InputButtonsTestQuestionBody audio(String? audio) => this(audio: audio);
+
+  @override
+  InputButtonsTestQuestionBody questionType(TestQuestionType questionType) =>
+      this(questionType: questionType);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `InputButtonsTestQuestionBody(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// InputButtonsTestQuestionBody(...).copyWith(id: 12, name: "My name")
+  /// ````
+  InputButtonsTestQuestionBody call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? answer = const $CopyWithPlaceholder(),
+    Object? buttons = const $CopyWithPlaceholder(),
+    Object? template = const $CopyWithPlaceholder(),
+    Object? word = const $CopyWithPlaceholder(),
+    Object? image = const $CopyWithPlaceholder(),
+    Object? text = const $CopyWithPlaceholder(),
+    Object? audio = const $CopyWithPlaceholder(),
+    Object? questionType = const $CopyWithPlaceholder(),
+  }) {
+    return InputButtonsTestQuestionBody(
+      id: id == const $CopyWithPlaceholder()
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as int?,
+      answer: answer == const $CopyWithPlaceholder() || answer == null
+          ? _value.answer
+          // ignore: cast_nullable_to_non_nullable
+          : answer as String,
+      buttons: buttons == const $CopyWithPlaceholder() || buttons == null
+          ? _value.buttons
+          // ignore: cast_nullable_to_non_nullable
+          : buttons as List<TestButtonDto>,
+      template: template == const $CopyWithPlaceholder() || template == null
+          ? _value.template
+          // ignore: cast_nullable_to_non_nullable
+          : template as String,
+      word: word == const $CopyWithPlaceholder() || word == null
+          ? _value.word
+          // ignore: cast_nullable_to_non_nullable
+          : word as String,
+      image: image == const $CopyWithPlaceholder()
+          ? _value.image
+          // ignore: cast_nullable_to_non_nullable
+          : image as String?,
+      text: text == const $CopyWithPlaceholder()
+          ? _value.text
+          // ignore: cast_nullable_to_non_nullable
+          : text as String?,
+      audio: audio == const $CopyWithPlaceholder()
+          ? _value.audio
+          // ignore: cast_nullable_to_non_nullable
+          : audio as String?,
+      questionType:
+          questionType == const $CopyWithPlaceholder() || questionType == null
+              ? _value.questionType
+              // ignore: cast_nullable_to_non_nullable
+              : questionType as TestQuestionType,
+    );
+  }
+}
+
+extension $InputButtonsTestQuestionBodyCopyWith
+    on InputButtonsTestQuestionBody {
+  /// Returns a callable class that can be used as follows: `instanceOfInputButtonsTestQuestionBody.copyWith(...)` or like so:`instanceOfInputButtonsTestQuestionBody.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$InputButtonsTestQuestionBodyCWProxy get copyWith =>
+      _$InputButtonsTestQuestionBodyCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+InputButtonsTestQuestionBody _$InputButtonsTestQuestionBodyFromJson(
+        Map<String, dynamic> json) =>
+    InputButtonsTestQuestionBody(
+      id: json['id'] as int?,
+      answer: json['answer'] as String,
+      buttons: (json['buttons'] as List<dynamic>)
+          .map((e) => TestButtonDto.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      template: json['template'] as String,
+      word: json['word'] as String,
+      image: json['image'] as String?,
+      text: json['text'] as String?,
+      audio: json['audio'] as String?,
+      questionType: $enumDecodeNullable(
+              _$TestQuestionTypeEnumMap, json['questionType']) ??
+          TestQuestionType.input_buttons,
+    );
+
+Map<String, dynamic> _$InputButtonsTestQuestionBodyToJson(
+    InputButtonsTestQuestionBody instance) {
+  final val = <String, dynamic>{};
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('id', instance.id);
+  val['questionType'] = _$TestQuestionTypeEnumMap[instance.questionType]!;
+  val['word'] = instance.word;
+  writeNotNull('image', instance.image);
+  writeNotNull('text', instance.text);
+  writeNotNull('audio', instance.audio);
+  val['buttons'] = instance.buttons.map((e) => e.toJson()).toList();
+  val['answer'] = instance.answer;
+  val['template'] = instance.template;
+  return val;
+}
+
+const _$TestQuestionTypeEnumMap = {
+  TestQuestionType.simple: 'simple',
+  TestQuestionType.input_buttons: 'input_buttons',
+  TestQuestionType.matrix: 'matrix',
+  TestQuestionType.match: 'match',
+  TestQuestionType.undefined: 'undefined',
+};

mnemo_cards_common/lib/src/dtos/game_tests/test_bodies/simple_test_question.dart

@@ -0,0 +1,33 @@
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:json_annotation/json_annotation.dart';
+import 'package:mnemo_cards_common/mnemo_cards_common.dart';
+
+
+part 'simple_test_question.g.dart';
+
+@JsonSerializable(explicitToJson: true, includeIfNull: false)
+@CopyWith()
+class SimpleTestQuestionBody extends AbstractTestQuestion {
+  final String? image;
+  final String? text;
+  final String? audio;
+  final List<TestButtonDto> buttons;
+  final String answer;
+
+  SimpleTestQuestionBody({
+    super.id,
+    required this.answer,
+    required this.buttons,
+    required super.word,
+    this.image,
+    this.text,
+    this.audio,
+    super.questionType = TestQuestionType.simple,
+  });
+
+  factory SimpleTestQuestionBody.fromJson(Map<String, dynamic> json) =>
+      _$SimpleTestQuestionBodyFromJson(json);
+
+  @override
+  Map<String, Object?> toJson() => _$SimpleTestQuestionBodyToJson(this);
+}

mnemo_cards_common/lib/src/dtos/game_tests/test_bodies/simple_test_question.g.dart

@@ -0,0 +1,188 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'simple_test_question.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$SimpleTestQuestionBodyCWProxy {
+  SimpleTestQuestionBody id(int? id);
+
+  SimpleTestQuestionBody answer(String answer);
+
+  SimpleTestQuestionBody buttons(List<TestButtonDto> buttons);
+
+  SimpleTestQuestionBody word(String word);
+
+  SimpleTestQuestionBody image(String? image);
+
+  SimpleTestQuestionBody text(String? text);
+
+  SimpleTestQuestionBody audio(String? audio);
+
+  SimpleTestQuestionBody questionType(TestQuestionType questionType);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `SimpleTestQuestionBody(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// SimpleTestQuestionBody(...).copyWith(id: 12, name: "My name")
+  /// ````
+  SimpleTestQuestionBody call({
+    int? id,
+    String? answer,
+    List<TestButtonDto>? buttons,
+    String? word,
+    String? image,
+    String? text,
+    String? audio,
+    TestQuestionType? questionType,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfSimpleTestQuestionBody.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfSimpleTestQuestionBody.copyWith.fieldName(...)`
+class _$SimpleTestQuestionBodyCWProxyImpl
+    implements _$SimpleTestQuestionBodyCWProxy {
+  const _$SimpleTestQuestionBodyCWProxyImpl(this._value);
+
+  final SimpleTestQuestionBody _value;
+
+  @override
+  SimpleTestQuestionBody id(int? id) => this(id: id);
+
+  @override
+  SimpleTestQuestionBody answer(String answer) => this(answer: answer);
+
+  @override
+  SimpleTestQuestionBody buttons(List<TestButtonDto> buttons) =>
+      this(buttons: buttons);
+
+  @override
+  SimpleTestQuestionBody word(String word) => this(word: word);
+
+  @override
+  SimpleTestQuestionBody image(String? image) => this(image: image);
+
+  @override
+  SimpleTestQuestionBody text(String? text) => this(text: text);
+
+  @override
+  SimpleTestQuestionBody audio(String? audio) => this(audio: audio);
+
+  @override
+  SimpleTestQuestionBody questionType(TestQuestionType questionType) =>
+      this(questionType: questionType);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `SimpleTestQuestionBody(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// SimpleTestQuestionBody(...).copyWith(id: 12, name: "My name")
+  /// ````
+  SimpleTestQuestionBody call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? answer = const $CopyWithPlaceholder(),
+    Object? buttons = const $CopyWithPlaceholder(),
+    Object? word = const $CopyWithPlaceholder(),
+    Object? image = const $CopyWithPlaceholder(),
+    Object? text = const $CopyWithPlaceholder(),
+    Object? audio = const $CopyWithPlaceholder(),
+    Object? questionType = const $CopyWithPlaceholder(),
+  }) {
+    return SimpleTestQuestionBody(
+      id: id == const $CopyWithPlaceholder()
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as int?,
+      answer: answer == const $CopyWithPlaceholder() || answer == null
+          ? _value.answer
+          // ignore: cast_nullable_to_non_nullable
+          : answer as String,
+      buttons: buttons == const $CopyWithPlaceholder() || buttons == null
+          ? _value.buttons
+          // ignore: cast_nullable_to_non_nullable
+          : buttons as List<TestButtonDto>,
+      word: word == const $CopyWithPlaceholder() || word == null
+          ? _value.word
+          // ignore: cast_nullable_to_non_nullable
+          : word as String,
+      image: image == const $CopyWithPlaceholder()
+          ? _value.image
+          // ignore: cast_nullable_to_non_nullable
+          : image as String?,
+      text: text == const $CopyWithPlaceholder()
+          ? _value.text
+          // ignore: cast_nullable_to_non_nullable
+          : text as String?,
+      audio: audio == const $CopyWithPlaceholder()
+          ? _value.audio
+          // ignore: cast_nullable_to_non_nullable
+          : audio as String?,
+      questionType:
+          questionType == const $CopyWithPlaceholder() || questionType == null
+              ? _value.questionType
+              // ignore: cast_nullable_to_non_nullable
+              : questionType as TestQuestionType,
+    );
+  }
+}
+
+extension $SimpleTestQuestionBodyCopyWith on SimpleTestQuestionBody {
+  /// Returns a callable class that can be used as follows: `instanceOfSimpleTestQuestionBody.copyWith(...)` or like so:`instanceOfSimpleTestQuestionBody.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$SimpleTestQuestionBodyCWProxy get copyWith =>
+      _$SimpleTestQuestionBodyCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+SimpleTestQuestionBody _$SimpleTestQuestionBodyFromJson(
+        Map<String, dynamic> json) =>
+    SimpleTestQuestionBody(
+      id: json['id'] as int?,
+      answer: json['answer'] as String,
+      buttons: (json['buttons'] as List<dynamic>)
+          .map((e) => TestButtonDto.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      word: json['word'] as String,
+      image: json['image'] as String?,
+      text: json['text'] as String?,
+      audio: json['audio'] as String?,
+      questionType: $enumDecodeNullable(
+              _$TestQuestionTypeEnumMap, json['questionType']) ??
+          TestQuestionType.simple,
+    );
+
+Map<String, dynamic> _$SimpleTestQuestionBodyToJson(
+    SimpleTestQuestionBody instance) {
+  final val = <String, dynamic>{};
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('id', instance.id);
+  val['questionType'] = _$TestQuestionTypeEnumMap[instance.questionType]!;
+  val['word'] = instance.word;
+  writeNotNull('image', instance.image);
+  writeNotNull('text', instance.text);
+  writeNotNull('audio', instance.audio);
+  val['buttons'] = instance.buttons.map((e) => e.toJson()).toList();
+  val['answer'] = instance.answer;
+  return val;
+}
+
+const _$TestQuestionTypeEnumMap = {
+  TestQuestionType.simple: 'simple',
+  TestQuestionType.input_buttons: 'input_buttons',
+  TestQuestionType.matrix: 'matrix',
+  TestQuestionType.match: 'match',
+  TestQuestionType.undefined: 'undefined',
+};

mnemo_cards_common/lib/src/dtos/game_tests/test_button.dart

@@ -0,0 +1,28 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+part 'test_button.g.dart';
+
+@CopyWith()
+@JsonSerializable(explicitToJson: true, includeIfNull: false)
+class TestButtonDto {
+  final String id;
+  final String? image;
+  final String? text;
+
+  TestButtonDto(this.id, this.image, this.text);
+
+  TestButtonDto.text(this.id, this.text) : image = null;
+
+  TestButtonDto.image(this.id, this.image) : text = null;
+
+  bool get isImageButton => image != null;
+
+  bool get isTextButton => !isImageButton;
+
+  factory TestButtonDto.fromJson(Map<String, dynamic> json) =>
+      _$TestButtonDtoFromJson(json);
+
+  @override
+  Map<String, Object?> toJson() => _$TestButtonDtoToJson(this);
+}

mnemo_cards_common/lib/src/dtos/game_tests/test_button.g.dart

@@ -0,0 +1,105 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'test_button.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$TestButtonDtoCWProxy {
+  TestButtonDto id(String id);
+
+  TestButtonDto image(String? image);
+
+  TestButtonDto text(String? text);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `TestButtonDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// TestButtonDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  TestButtonDto call({
+    String? id,
+    String? image,
+    String? text,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfTestButtonDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfTestButtonDto.copyWith.fieldName(...)`
+class _$TestButtonDtoCWProxyImpl implements _$TestButtonDtoCWProxy {
+  const _$TestButtonDtoCWProxyImpl(this._value);
+
+  final TestButtonDto _value;
+
+  @override
+  TestButtonDto id(String id) => this(id: id);
+
+  @override
+  TestButtonDto image(String? image) => this(image: image);
+
+  @override
+  TestButtonDto text(String? text) => this(text: text);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `TestButtonDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// TestButtonDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  TestButtonDto call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? image = const $CopyWithPlaceholder(),
+    Object? text = const $CopyWithPlaceholder(),
+  }) {
+    return TestButtonDto(
+      id == const $CopyWithPlaceholder() || id == null
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String,
+      image == const $CopyWithPlaceholder()
+          ? _value.image
+          // ignore: cast_nullable_to_non_nullable
+          : image as String?,
+      text == const $CopyWithPlaceholder()
+          ? _value.text
+          // ignore: cast_nullable_to_non_nullable
+          : text as String?,
+    );
+  }
+}
+
+extension $TestButtonDtoCopyWith on TestButtonDto {
+  /// Returns a callable class that can be used as follows: `instanceOfTestButtonDto.copyWith(...)` or like so:`instanceOfTestButtonDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$TestButtonDtoCWProxy get copyWith => _$TestButtonDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+TestButtonDto _$TestButtonDtoFromJson(Map<String, dynamic> json) =>
+    TestButtonDto(
+      json['id'] as String,
+      json['image'] as String?,
+      json['text'] as String?,
+    );
+
+Map<String, dynamic> _$TestButtonDtoToJson(TestButtonDto instance) {
+  final val = <String, dynamic>{
+    'id': instance.id,
+  };
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('image', instance.image);
+  writeNotNull('text', instance.text);
+  return val;
+}

mnemo_cards_common/lib/src/dtos/game_tests/test_question_type.dart

@@ -0,0 +1,7 @@
+enum TestQuestionType {
+  simple,
+  input_buttons,
+  matrix,
+  match,
+  undefined,
+}

mnemo_cards_common/lib/src/dtos/game_tests/test_statistics_dto.dart

@@ -0,0 +1,41 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:mnemo_cards_common/mnemo_cards_common.dart';
+
+part 'test_statistics_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class TestStatisticsDto {
+  final int testId;
+  final AllWordsStatisticsDto words;
+  final String? sessionToken;
+  final int attempts;
+
+  TestStatisticsDto({
+    required this.testId,
+    required this.words,
+    this.attempts = 0,
+    this.sessionToken,
+  });
+
+  factory TestStatisticsDto.fromJson(Map<String, dynamic> json) =>
+      _$TestStatisticsDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$TestStatisticsDtoToJson(this);
+
+  @override
+  int get hashCode =>
+      testId.hashCode ^ words.hashCode ^ sessionToken.hashCode ^ attempts;
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+
+    return other is TestStatisticsDto &&
+        other.testId == testId &&
+        other.words == words &&
+        other.sessionToken == sessionToken &&
+        other.attempts == attempts;
+  }
+}

mnemo_cards_common/lib/src/dtos/game_tests/test_statistics_dto.g.dart

@@ -0,0 +1,112 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'test_statistics_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$TestStatisticsDtoCWProxy {
+  TestStatisticsDto testId(int testId);
+
+  TestStatisticsDto words(AllWordsStatisticsDto words);
+
+  TestStatisticsDto attempts(int attempts);
+
+  TestStatisticsDto sessionToken(String? sessionToken);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `TestStatisticsDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// TestStatisticsDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  TestStatisticsDto call({
+    int? testId,
+    AllWordsStatisticsDto? words,
+    int? attempts,
+    String? sessionToken,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfTestStatisticsDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfTestStatisticsDto.copyWith.fieldName(...)`
+class _$TestStatisticsDtoCWProxyImpl implements _$TestStatisticsDtoCWProxy {
+  const _$TestStatisticsDtoCWProxyImpl(this._value);
+
+  final TestStatisticsDto _value;
+
+  @override
+  TestStatisticsDto testId(int testId) => this(testId: testId);
+
+  @override
+  TestStatisticsDto words(AllWordsStatisticsDto words) => this(words: words);
+
+  @override
+  TestStatisticsDto attempts(int attempts) => this(attempts: attempts);
+
+  @override
+  TestStatisticsDto sessionToken(String? sessionToken) =>
+      this(sessionToken: sessionToken);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `TestStatisticsDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// TestStatisticsDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  TestStatisticsDto call({
+    Object? testId = const $CopyWithPlaceholder(),
+    Object? words = const $CopyWithPlaceholder(),
+    Object? attempts = const $CopyWithPlaceholder(),
+    Object? sessionToken = const $CopyWithPlaceholder(),
+  }) {
+    return TestStatisticsDto(
+      testId: testId == const $CopyWithPlaceholder() || testId == null
+          ? _value.testId
+          // ignore: cast_nullable_to_non_nullable
+          : testId as int,
+      words: words == const $CopyWithPlaceholder() || words == null
+          ? _value.words
+          // ignore: cast_nullable_to_non_nullable
+          : words as AllWordsStatisticsDto,
+      attempts: attempts == const $CopyWithPlaceholder() || attempts == null
+          ? _value.attempts
+          // ignore: cast_nullable_to_non_nullable
+          : attempts as int,
+      sessionToken: sessionToken == const $CopyWithPlaceholder()
+          ? _value.sessionToken
+          // ignore: cast_nullable_to_non_nullable
+          : sessionToken as String?,
+    );
+  }
+}
+
+extension $TestStatisticsDtoCopyWith on TestStatisticsDto {
+  /// Returns a callable class that can be used as follows: `instanceOfTestStatisticsDto.copyWith(...)` or like so:`instanceOfTestStatisticsDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$TestStatisticsDtoCWProxy get copyWith =>
+      _$TestStatisticsDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+TestStatisticsDto _$TestStatisticsDtoFromJson(Map<String, dynamic> json) =>
+    TestStatisticsDto(
+      testId: json['testId'] as int,
+      words:
+          AllWordsStatisticsDto.fromJson(json['words'] as Map<String, dynamic>),
+      attempts: json['attempts'] as int? ?? 0,
+      sessionToken: json['sessionToken'] as String?,
+    );
+
+Map<String, dynamic> _$TestStatisticsDtoToJson(TestStatisticsDto instance) =>
+    <String, dynamic>{
+      'testId': instance.testId,
+      'words': instance.words,
+      'sessionToken': instance.sessionToken,
+      'attempts': instance.attempts,
+    };

mnemo_cards_common/lib/src/dtos/games/game_dto.dart

@@ -0,0 +1,53 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+import '../payment/export.dart';
+
+part 'game_dto.g.dart';
+
+@JsonSerializable(explicitToJson: true, includeIfNull: false)
+@CopyWith()
+class GameDto implements MnemoCardsProductDto {
+  final String id;
+  final String title;
+  final String subtitle;
+  final String? color;
+  final String? version;
+  final String? imageBase64;
+
+  const GameDto({
+    required this.id,
+    required this.title,
+    required this.subtitle,
+    required this.color,
+    required this.version,
+    required this.imageBase64,
+  });
+
+  factory GameDto.fromJson(Map<String, dynamic> json) =>
+      _$GameDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$GameDtoToJson(this);
+
+  @override
+  MnemoCardsProductType get type => MnemoCardsProductType.pack;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is GameDto &&
+          runtimeType == other.runtimeType &&
+          id == other.id &&
+          title == other.title &&
+          subtitle == other.subtitle &&
+          color == other.color &&
+          version == other.version;
+
+  @override
+  int get hashCode =>
+      id.hashCode ^
+      title.hashCode ^
+      subtitle.hashCode ^
+      color.hashCode ^
+      version.hashCode;
+}

mnemo_cards_common/lib/src/dtos/games/game_dto.g.dart

@@ -0,0 +1,143 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'game_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$GameDtoCWProxy {
+  GameDto id(String id);
+
+  GameDto title(String title);
+
+  GameDto subtitle(String subtitle);
+
+  GameDto color(String? color);
+
+  GameDto version(String? version);
+
+  GameDto imageBase64(String? imageBase64);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `GameDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// GameDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  GameDto call({
+    String? id,
+    String? title,
+    String? subtitle,
+    String? color,
+    String? version,
+    String? imageBase64,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfGameDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfGameDto.copyWith.fieldName(...)`
+class _$GameDtoCWProxyImpl implements _$GameDtoCWProxy {
+  const _$GameDtoCWProxyImpl(this._value);
+
+  final GameDto _value;
+
+  @override
+  GameDto id(String id) => this(id: id);
+
+  @override
+  GameDto title(String title) => this(title: title);
+
+  @override
+  GameDto subtitle(String subtitle) => this(subtitle: subtitle);
+
+  @override
+  GameDto color(String? color) => this(color: color);
+
+  @override
+  GameDto version(String? version) => this(version: version);
+
+  @override
+  GameDto imageBase64(String? imageBase64) => this(imageBase64: imageBase64);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `GameDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// GameDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  GameDto call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? title = const $CopyWithPlaceholder(),
+    Object? subtitle = const $CopyWithPlaceholder(),
+    Object? color = const $CopyWithPlaceholder(),
+    Object? version = const $CopyWithPlaceholder(),
+    Object? imageBase64 = const $CopyWithPlaceholder(),
+  }) {
+    return GameDto(
+      id: id == const $CopyWithPlaceholder() || id == null
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String,
+      title: title == const $CopyWithPlaceholder() || title == null
+          ? _value.title
+          // ignore: cast_nullable_to_non_nullable
+          : title as String,
+      subtitle: subtitle == const $CopyWithPlaceholder() || subtitle == null
+          ? _value.subtitle
+          // ignore: cast_nullable_to_non_nullable
+          : subtitle as String,
+      color: color == const $CopyWithPlaceholder()
+          ? _value.color
+          // ignore: cast_nullable_to_non_nullable
+          : color as String?,
+      version: version == const $CopyWithPlaceholder()
+          ? _value.version
+          // ignore: cast_nullable_to_non_nullable
+          : version as String?,
+      imageBase64: imageBase64 == const $CopyWithPlaceholder()
+          ? _value.imageBase64
+          // ignore: cast_nullable_to_non_nullable
+          : imageBase64 as String?,
+    );
+  }
+}
+
+extension $GameDtoCopyWith on GameDto {
+  /// Returns a callable class that can be used as follows: `instanceOfGameDto.copyWith(...)` or like so:`instanceOfGameDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$GameDtoCWProxy get copyWith => _$GameDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+GameDto _$GameDtoFromJson(Map<String, dynamic> json) => GameDto(
+      id: json['id'] as String,
+      title: json['title'] as String,
+      subtitle: json['subtitle'] as String,
+      color: json['color'] as String?,
+      version: json['version'] as String?,
+      imageBase64: json['imageBase64'] as String?,
+    );
+
+Map<String, dynamic> _$GameDtoToJson(GameDto instance) {
+  final val = <String, dynamic>{
+    'id': instance.id,
+    'title': instance.title,
+    'subtitle': instance.subtitle,
+  };
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('color', instance.color);
+  writeNotNull('version', instance.version);
+  writeNotNull('imageBase64', instance.imageBase64);
+  return val;
+}

mnemo_cards_common/lib/src/dtos/items/button_item.dart

@@ -0,0 +1,32 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:mnemo_cards_common/src/dtos/items/item.dart';
+
+
+part 'button_item.g.dart';
+
+@JsonSerializable(includeIfNull: false)
+@CopyWith()
+class ButtonItem extends Item {
+  final String? id;
+  final List<Item>? children;
+  final String? text;
+  final String? color;
+  final double height;
+
+  const ButtonItem({
+    this.id,
+    this.children,
+    this.text,
+    this.height = 90,
+    this.color,
+    super.deeplink,
+    super.type = ItemType.button,
+  });
+
+  factory ButtonItem.fromJson(Map<String, dynamic> json) =>
+      _$ButtonItemFromJson(json);
+
+  @override
+  Map<String, Object?> toJson() => _$ButtonItemToJson(this);
+}

mnemo_cards_common/lib/src/dtos/items/button_item.g.dart

@@ -0,0 +1,167 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'button_item.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$ButtonItemCWProxy {
+  ButtonItem id(String? id);
+
+  ButtonItem children(List<Item>? children);
+
+  ButtonItem text(String? text);
+
+  ButtonItem height(double height);
+
+  ButtonItem color(String? color);
+
+  ButtonItem deeplink(String? deeplink);
+
+  ButtonItem type(ItemType type);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `ButtonItem(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// ButtonItem(...).copyWith(id: 12, name: "My name")
+  /// ````
+  ButtonItem call({
+    String? id,
+    List<Item>? children,
+    String? text,
+    double? height,
+    String? color,
+    String? deeplink,
+    ItemType? type,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfButtonItem.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfButtonItem.copyWith.fieldName(...)`
+class _$ButtonItemCWProxyImpl implements _$ButtonItemCWProxy {
+  const _$ButtonItemCWProxyImpl(this._value);
+
+  final ButtonItem _value;
+
+  @override
+  ButtonItem id(String? id) => this(id: id);
+
+  @override
+  ButtonItem children(List<Item>? children) => this(children: children);
+
+  @override
+  ButtonItem text(String? text) => this(text: text);
+
+  @override
+  ButtonItem height(double height) => this(height: height);
+
+  @override
+  ButtonItem color(String? color) => this(color: color);
+
+  @override
+  ButtonItem deeplink(String? deeplink) => this(deeplink: deeplink);
+
+  @override
+  ButtonItem type(ItemType type) => this(type: type);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `ButtonItem(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// ButtonItem(...).copyWith(id: 12, name: "My name")
+  /// ````
+  ButtonItem call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? children = const $CopyWithPlaceholder(),
+    Object? text = const $CopyWithPlaceholder(),
+    Object? height = const $CopyWithPlaceholder(),
+    Object? color = const $CopyWithPlaceholder(),
+    Object? deeplink = const $CopyWithPlaceholder(),
+    Object? type = const $CopyWithPlaceholder(),
+  }) {
+    return ButtonItem(
+      id: id == const $CopyWithPlaceholder()
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String?,
+      children: children == const $CopyWithPlaceholder()
+          ? _value.children
+          // ignore: cast_nullable_to_non_nullable
+          : children as List<Item>?,
+      text: text == const $CopyWithPlaceholder()
+          ? _value.text
+          // ignore: cast_nullable_to_non_nullable
+          : text as String?,
+      height: height == const $CopyWithPlaceholder() || height == null
+          ? _value.height
+          // ignore: cast_nullable_to_non_nullable
+          : height as double,
+      color: color == const $CopyWithPlaceholder()
+          ? _value.color
+          // ignore: cast_nullable_to_non_nullable
+          : color as String?,
+      deeplink: deeplink == const $CopyWithPlaceholder()
+          ? _value.deeplink
+          // ignore: cast_nullable_to_non_nullable
+          : deeplink as String?,
+      type: type == const $CopyWithPlaceholder() || type == null
+          ? _value.type
+          // ignore: cast_nullable_to_non_nullable
+          : type as ItemType,
+    );
+  }
+}
+
+extension $ButtonItemCopyWith on ButtonItem {
+  /// Returns a callable class that can be used as follows: `instanceOfButtonItem.copyWith(...)` or like so:`instanceOfButtonItem.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$ButtonItemCWProxy get copyWith => _$ButtonItemCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+ButtonItem _$ButtonItemFromJson(Map<String, dynamic> json) => ButtonItem(
+      id: json['id'] as String?,
+      children: (json['children'] as List<dynamic>?)
+          ?.map((e) => Item.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      text: json['text'] as String?,
+      height: (json['height'] as num?)?.toDouble() ?? 90,
+      color: json['color'] as String?,
+      deeplink: json['deeplink'] as String?,
+      type: $enumDecodeNullable(_$ItemTypeEnumMap, json['type'],
+              unknownValue: ItemType.unknown) ??
+          ItemType.button,
+    );
+
+Map<String, dynamic> _$ButtonItemToJson(ButtonItem instance) {
+  final val = <String, dynamic>{
+    'type': _$ItemTypeEnumMap[instance.type]!,
+  };
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('deeplink', instance.deeplink);
+  writeNotNull('id', instance.id);
+  writeNotNull('children', instance.children);
+  writeNotNull('text', instance.text);
+  writeNotNull('color', instance.color);
+  val['height'] = instance.height;
+  return val;
+}
+
+const _$ItemTypeEnumMap = {
+  ItemType.text: 'text',
+  ItemType.spacer: 'spacer',
+  ItemType.button: 'button',
+  ItemType.unknown: 'unknown',
+};

mnemo_cards_common/lib/src/dtos/items/item.dart

@@ -0,0 +1,45 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+import 'items.dart';
+
+part 'item.g.dart';
+
+@JsonSerializable(includeIfNull: false)
+@CopyWith()
+class Item {
+  final String? id;
+  @JsonKey(unknownEnumValue: ItemType.unknown)
+  final ItemType type;
+  final String? deeplink;
+
+  const Item({
+    this.id,
+    required this.type,
+    this.deeplink,
+  });
+
+  factory Item.fromJson(Map<String, dynamic> json) {
+    final item = _$ItemFromJson(json);
+    switch (item.type) {
+      case ItemType.text:
+        return TextItem.fromJson(json);
+      case ItemType.spacer:
+        return SpacerItem.fromJson(json);
+      case ItemType.button:
+        return ButtonItem.fromJson(json);
+      case ItemType.unknown:
+      default:
+        return item;
+    }
+  }
+
+  Map<String, Object?> toJson() => _$ItemToJson(this);
+}
+
+enum ItemType {
+  text,
+  spacer,
+  button,
+  unknown,
+}

mnemo_cards_common/lib/src/dtos/items/item.g.dart

@@ -0,0 +1,111 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'item.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$ItemCWProxy {
+  Item id(String? id);
+
+  Item type(ItemType type);
+
+  Item deeplink(String? deeplink);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `Item(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// Item(...).copyWith(id: 12, name: "My name")
+  /// ````
+  Item call({
+    String? id,
+    ItemType? type,
+    String? deeplink,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfItem.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfItem.copyWith.fieldName(...)`
+class _$ItemCWProxyImpl implements _$ItemCWProxy {
+  const _$ItemCWProxyImpl(this._value);
+
+  final Item _value;
+
+  @override
+  Item id(String? id) => this(id: id);
+
+  @override
+  Item type(ItemType type) => this(type: type);
+
+  @override
+  Item deeplink(String? deeplink) => this(deeplink: deeplink);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `Item(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// Item(...).copyWith(id: 12, name: "My name")
+  /// ````
+  Item call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? type = const $CopyWithPlaceholder(),
+    Object? deeplink = const $CopyWithPlaceholder(),
+  }) {
+    return Item(
+      id: id == const $CopyWithPlaceholder()
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String?,
+      type: type == const $CopyWithPlaceholder() || type == null
+          ? _value.type
+          // ignore: cast_nullable_to_non_nullable
+          : type as ItemType,
+      deeplink: deeplink == const $CopyWithPlaceholder()
+          ? _value.deeplink
+          // ignore: cast_nullable_to_non_nullable
+          : deeplink as String?,
+    );
+  }
+}
+
+extension $ItemCopyWith on Item {
+  /// Returns a callable class that can be used as follows: `instanceOfItem.copyWith(...)` or like so:`instanceOfItem.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$ItemCWProxy get copyWith => _$ItemCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+Item _$ItemFromJson(Map<String, dynamic> json) => Item(
+      id: json['id'] as String?,
+      type: $enumDecode(_$ItemTypeEnumMap, json['type'],
+          unknownValue: ItemType.unknown),
+      deeplink: json['deeplink'] as String?,
+    );
+
+Map<String, dynamic> _$ItemToJson(Item instance) {
+  final val = <String, dynamic>{};
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('id', instance.id);
+  val['type'] = _$ItemTypeEnumMap[instance.type]!;
+  writeNotNull('deeplink', instance.deeplink);
+  return val;
+}
+
+const _$ItemTypeEnumMap = {
+  ItemType.text: 'text',
+  ItemType.spacer: 'spacer',
+  ItemType.button: 'button',
+  ItemType.unknown: 'unknown',
+};

mnemo_cards_common/lib/src/dtos/items/items.dart

@@ -0,0 +1,4 @@
+export 'item.dart';
+export 'text_item.dart';
+export 'spacer_item.dart';
+export 'button_item.dart';

mnemo_cards_common/lib/src/dtos/items/spacer_item.dart

@@ -0,0 +1,27 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:mnemo_cards_common/src/dtos/items/item.dart';
+
+
+part 'spacer_item.g.dart';
+
+@JsonSerializable(includeIfNull: false)
+@CopyWith()
+class SpacerItem extends Item {
+  final String? id;
+  final int flex;
+  final double height;
+
+  const SpacerItem({
+    this.id,
+    this.flex = 1,
+    this.height = 0,
+    super.type = ItemType.spacer,
+  });
+
+  factory SpacerItem.fromJson(Map<String, dynamic> json) =>
+      _$SpacerItemFromJson(json);
+
+  @override
+  Map<String, Object?> toJson() => _$SpacerItemToJson(this);
+}

mnemo_cards_common/lib/src/dtos/items/spacer_item.g.dart

@@ -0,0 +1,126 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'spacer_item.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$SpacerItemCWProxy {
+  SpacerItem id(String? id);
+
+  SpacerItem flex(int flex);
+
+  SpacerItem height(double height);
+
+  SpacerItem type(ItemType type);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `SpacerItem(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// SpacerItem(...).copyWith(id: 12, name: "My name")
+  /// ````
+  SpacerItem call({
+    String? id,
+    int? flex,
+    double? height,
+    ItemType? type,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfSpacerItem.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfSpacerItem.copyWith.fieldName(...)`
+class _$SpacerItemCWProxyImpl implements _$SpacerItemCWProxy {
+  const _$SpacerItemCWProxyImpl(this._value);
+
+  final SpacerItem _value;
+
+  @override
+  SpacerItem id(String? id) => this(id: id);
+
+  @override
+  SpacerItem flex(int flex) => this(flex: flex);
+
+  @override
+  SpacerItem height(double height) => this(height: height);
+
+  @override
+  SpacerItem type(ItemType type) => this(type: type);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `SpacerItem(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// SpacerItem(...).copyWith(id: 12, name: "My name")
+  /// ````
+  SpacerItem call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? flex = const $CopyWithPlaceholder(),
+    Object? height = const $CopyWithPlaceholder(),
+    Object? type = const $CopyWithPlaceholder(),
+  }) {
+    return SpacerItem(
+      id: id == const $CopyWithPlaceholder()
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String?,
+      flex: flex == const $CopyWithPlaceholder() || flex == null
+          ? _value.flex
+          // ignore: cast_nullable_to_non_nullable
+          : flex as int,
+      height: height == const $CopyWithPlaceholder() || height == null
+          ? _value.height
+          // ignore: cast_nullable_to_non_nullable
+          : height as double,
+      type: type == const $CopyWithPlaceholder() || type == null
+          ? _value.type
+          // ignore: cast_nullable_to_non_nullable
+          : type as ItemType,
+    );
+  }
+}
+
+extension $SpacerItemCopyWith on SpacerItem {
+  /// Returns a callable class that can be used as follows: `instanceOfSpacerItem.copyWith(...)` or like so:`instanceOfSpacerItem.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$SpacerItemCWProxy get copyWith => _$SpacerItemCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+SpacerItem _$SpacerItemFromJson(Map<String, dynamic> json) => SpacerItem(
+      id: json['id'] as String?,
+      flex: json['flex'] as int? ?? 1,
+      height: (json['height'] as num?)?.toDouble() ?? 0,
+      type: $enumDecodeNullable(_$ItemTypeEnumMap, json['type'],
+              unknownValue: ItemType.unknown) ??
+          ItemType.spacer,
+    );
+
+Map<String, dynamic> _$SpacerItemToJson(SpacerItem instance) {
+  final val = <String, dynamic>{
+    'type': _$ItemTypeEnumMap[instance.type]!,
+  };
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('id', instance.id);
+  val['flex'] = instance.flex;
+  val['height'] = instance.height;
+  return val;
+}
+
+const _$ItemTypeEnumMap = {
+  ItemType.text: 'text',
+  ItemType.spacer: 'spacer',
+  ItemType.button: 'button',
+  ItemType.unknown: 'unknown',
+};

mnemo_cards_common/lib/src/dtos/items/text_item.dart

@@ -0,0 +1,33 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:mnemo_cards_common/src/dtos/items/item.dart';
+
+
+part 'text_item.g.dart';
+
+@JsonSerializable(includeIfNull: false)
+@CopyWith()
+class TextItem extends Item {
+  final String? id;
+  final String? title;
+  final String? subtitle;
+  final String? color;
+  @JsonKey(defaultValue: false)
+  final bool hasBorder;
+
+  const TextItem({
+    this.id,
+    this.title,
+    this.subtitle,
+    this.color,
+    this.hasBorder = false,
+    super.deeplink,
+    super.type = ItemType.text,
+  });
+
+  factory TextItem.fromJson(Map<String, dynamic> json) =>
+      _$TextItemFromJson(json);
+
+  @override
+  Map<String, Object?> toJson() => _$TextItemToJson(this);
+}

mnemo_cards_common/lib/src/dtos/items/text_item.g.dart

@@ -0,0 +1,165 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'text_item.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$TextItemCWProxy {
+  TextItem id(String? id);
+
+  TextItem title(String? title);
+
+  TextItem subtitle(String? subtitle);
+
+  TextItem color(String? color);
+
+  TextItem hasBorder(bool hasBorder);
+
+  TextItem deeplink(String? deeplink);
+
+  TextItem type(ItemType type);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `TextItem(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// TextItem(...).copyWith(id: 12, name: "My name")
+  /// ````
+  TextItem call({
+    String? id,
+    String? title,
+    String? subtitle,
+    String? color,
+    bool? hasBorder,
+    String? deeplink,
+    ItemType? type,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfTextItem.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfTextItem.copyWith.fieldName(...)`
+class _$TextItemCWProxyImpl implements _$TextItemCWProxy {
+  const _$TextItemCWProxyImpl(this._value);
+
+  final TextItem _value;
+
+  @override
+  TextItem id(String? id) => this(id: id);
+
+  @override
+  TextItem title(String? title) => this(title: title);
+
+  @override
+  TextItem subtitle(String? subtitle) => this(subtitle: subtitle);
+
+  @override
+  TextItem color(String? color) => this(color: color);
+
+  @override
+  TextItem hasBorder(bool hasBorder) => this(hasBorder: hasBorder);
+
+  @override
+  TextItem deeplink(String? deeplink) => this(deeplink: deeplink);
+
+  @override
+  TextItem type(ItemType type) => this(type: type);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `TextItem(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// TextItem(...).copyWith(id: 12, name: "My name")
+  /// ````
+  TextItem call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? title = const $CopyWithPlaceholder(),
+    Object? subtitle = const $CopyWithPlaceholder(),
+    Object? color = const $CopyWithPlaceholder(),
+    Object? hasBorder = const $CopyWithPlaceholder(),
+    Object? deeplink = const $CopyWithPlaceholder(),
+    Object? type = const $CopyWithPlaceholder(),
+  }) {
+    return TextItem(
+      id: id == const $CopyWithPlaceholder()
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String?,
+      title: title == const $CopyWithPlaceholder()
+          ? _value.title
+          // ignore: cast_nullable_to_non_nullable
+          : title as String?,
+      subtitle: subtitle == const $CopyWithPlaceholder()
+          ? _value.subtitle
+          // ignore: cast_nullable_to_non_nullable
+          : subtitle as String?,
+      color: color == const $CopyWithPlaceholder()
+          ? _value.color
+          // ignore: cast_nullable_to_non_nullable
+          : color as String?,
+      hasBorder: hasBorder == const $CopyWithPlaceholder() || hasBorder == null
+          ? _value.hasBorder
+          // ignore: cast_nullable_to_non_nullable
+          : hasBorder as bool,
+      deeplink: deeplink == const $CopyWithPlaceholder()
+          ? _value.deeplink
+          // ignore: cast_nullable_to_non_nullable
+          : deeplink as String?,
+      type: type == const $CopyWithPlaceholder() || type == null
+          ? _value.type
+          // ignore: cast_nullable_to_non_nullable
+          : type as ItemType,
+    );
+  }
+}
+
+extension $TextItemCopyWith on TextItem {
+  /// Returns a callable class that can be used as follows: `instanceOfTextItem.copyWith(...)` or like so:`instanceOfTextItem.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$TextItemCWProxy get copyWith => _$TextItemCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+TextItem _$TextItemFromJson(Map<String, dynamic> json) => TextItem(
+      id: json['id'] as String?,
+      title: json['title'] as String?,
+      subtitle: json['subtitle'] as String?,
+      color: json['color'] as String?,
+      hasBorder: json['hasBorder'] as bool? ?? false,
+      deeplink: json['deeplink'] as String?,
+      type: $enumDecodeNullable(_$ItemTypeEnumMap, json['type'],
+              unknownValue: ItemType.unknown) ??
+          ItemType.text,
+    );
+
+Map<String, dynamic> _$TextItemToJson(TextItem instance) {
+  final val = <String, dynamic>{
+    'type': _$ItemTypeEnumMap[instance.type]!,
+  };
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('deeplink', instance.deeplink);
+  writeNotNull('id', instance.id);
+  writeNotNull('title', instance.title);
+  writeNotNull('subtitle', instance.subtitle);
+  writeNotNull('color', instance.color);
+  val['hasBorder'] = instance.hasBorder;
+  return val;
+}
+
+const _$ItemTypeEnumMap = {
+  ItemType.text: 'text',
+  ItemType.spacer: 'spacer',
+  ItemType.button: 'button',
+  ItemType.unknown: 'unknown',
+};

mnemo_cards_common/lib/src/dtos/packs/card_pack_action.dart

@@ -0,0 +1,31 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+part 'card_pack_action.g.dart';
+
+/// Actions for cached packs
+/// Update action
+@JsonSerializable()
+@CopyWith()
+class CardPackAction {
+  final String id;
+
+  @JsonKey(unknownEnumValue: PackAction.unknown)
+  final PackAction action;
+
+  const CardPackAction({
+    required this.id,
+    required this.action,
+  });
+
+  factory CardPackAction.fromJson(Map<String, dynamic> json) =>
+      _$CardPackActionFromJson(json);
+
+  Map<String, dynamic> toJson() => _$CardPackActionToJson(this);
+}
+
+enum PackAction {
+  delete,
+  update,
+  unknown,
+}

mnemo_cards_common/lib/src/dtos/packs/card_pack_action.g.dart

@@ -0,0 +1,90 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'card_pack_action.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$CardPackActionCWProxy {
+  CardPackAction id(String id);
+
+  CardPackAction action(PackAction action);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `CardPackAction(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// CardPackAction(...).copyWith(id: 12, name: "My name")
+  /// ````
+  CardPackAction call({
+    String? id,
+    PackAction? action,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfCardPackAction.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfCardPackAction.copyWith.fieldName(...)`
+class _$CardPackActionCWProxyImpl implements _$CardPackActionCWProxy {
+  const _$CardPackActionCWProxyImpl(this._value);
+
+  final CardPackAction _value;
+
+  @override
+  CardPackAction id(String id) => this(id: id);
+
+  @override
+  CardPackAction action(PackAction action) => this(action: action);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `CardPackAction(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// CardPackAction(...).copyWith(id: 12, name: "My name")
+  /// ````
+  CardPackAction call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? action = const $CopyWithPlaceholder(),
+  }) {
+    return CardPackAction(
+      id: id == const $CopyWithPlaceholder() || id == null
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String,
+      action: action == const $CopyWithPlaceholder() || action == null
+          ? _value.action
+          // ignore: cast_nullable_to_non_nullable
+          : action as PackAction,
+    );
+  }
+}
+
+extension $CardPackActionCopyWith on CardPackAction {
+  /// Returns a callable class that can be used as follows: `instanceOfCardPackAction.copyWith(...)` or like so:`instanceOfCardPackAction.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$CardPackActionCWProxy get copyWith => _$CardPackActionCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+CardPackAction _$CardPackActionFromJson(Map<String, dynamic> json) =>
+    CardPackAction(
+      id: json['id'] as String,
+      action: $enumDecode(_$PackActionEnumMap, json['action'],
+          unknownValue: PackAction.unknown),
+    );
+
+Map<String, dynamic> _$CardPackActionToJson(CardPackAction instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'action': _$PackActionEnumMap[instance.action]!,
+    };
+
+const _$PackActionEnumMap = {
+  PackAction.delete: 'delete',
+  PackAction.update: 'update',
+  PackAction.unknown: 'unknown',
+};

mnemo_cards_common/lib/src/dtos/packs/card_pack_buy_dto.dart

@@ -0,0 +1,44 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+import '../game_card_dto.dart';
+import '../items/item.dart';
+import 'get_card_pack_response.dart';
+
+part 'card_pack_buy_dto.g.dart';
+
+/// Info for not available packs
+@JsonSerializable(explicitToJson: true, includeIfNull: false)
+@CopyWith()
+class CardPackBuyDto extends GetCardPackResponse {
+  final String id;
+  final String title;
+  final String subtitle;
+  final String? color;
+  final String? version;
+  final List<GameCardDto> cards;
+  final List<Item>? items;
+  final String? googlePlayId;
+  final String? rustoreId;
+  final String? appStoreId;
+  final String? price;
+
+  const CardPackBuyDto({
+    required this.id,
+    required this.title,
+    required this.subtitle,
+    required this.cards,
+    this.items,
+    this.color,
+    this.version,
+    this.price,
+    this.googlePlayId,
+    this.rustoreId,
+    this.appStoreId,
+  }) : super(responseType: GetCardPackResponseType.buy);
+
+  factory CardPackBuyDto.fromJson(Map<String, dynamic> json) =>
+      _$CardPackBuyDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$CardPackBuyDtoToJson(this);
+}

mnemo_cards_common/lib/src/dtos/packs/card_pack_buy_dto.g.dart

@@ -0,0 +1,214 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'card_pack_buy_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$CardPackBuyDtoCWProxy {
+  CardPackBuyDto id(String id);
+
+  CardPackBuyDto title(String title);
+
+  CardPackBuyDto subtitle(String subtitle);
+
+  CardPackBuyDto cards(List<GameCardDto> cards);
+
+  CardPackBuyDto items(List<Item>? items);
+
+  CardPackBuyDto color(String? color);
+
+  CardPackBuyDto version(String? version);
+
+  CardPackBuyDto price(String? price);
+
+  CardPackBuyDto googlePlayId(String? googlePlayId);
+
+  CardPackBuyDto rustoreId(String? rustoreId);
+
+  CardPackBuyDto appStoreId(String? appStoreId);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `CardPackBuyDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// CardPackBuyDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  CardPackBuyDto call({
+    String? id,
+    String? title,
+    String? subtitle,
+    List<GameCardDto>? cards,
+    List<Item>? items,
+    String? color,
+    String? version,
+    String? price,
+    String? googlePlayId,
+    String? rustoreId,
+    String? appStoreId,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfCardPackBuyDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfCardPackBuyDto.copyWith.fieldName(...)`
+class _$CardPackBuyDtoCWProxyImpl implements _$CardPackBuyDtoCWProxy {
+  const _$CardPackBuyDtoCWProxyImpl(this._value);
+
+  final CardPackBuyDto _value;
+
+  @override
+  CardPackBuyDto id(String id) => this(id: id);
+
+  @override
+  CardPackBuyDto title(String title) => this(title: title);
+
+  @override
+  CardPackBuyDto subtitle(String subtitle) => this(subtitle: subtitle);
+
+  @override
+  CardPackBuyDto cards(List<GameCardDto> cards) => this(cards: cards);
+
+  @override
+  CardPackBuyDto items(List<Item>? items) => this(items: items);
+
+  @override
+  CardPackBuyDto color(String? color) => this(color: color);
+
+  @override
+  CardPackBuyDto version(String? version) => this(version: version);
+
+  @override
+  CardPackBuyDto price(String? price) => this(price: price);
+
+  @override
+  CardPackBuyDto googlePlayId(String? googlePlayId) =>
+      this(googlePlayId: googlePlayId);
+
+  @override
+  CardPackBuyDto rustoreId(String? rustoreId) => this(rustoreId: rustoreId);
+
+  @override
+  CardPackBuyDto appStoreId(String? appStoreId) => this(appStoreId: appStoreId);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `CardPackBuyDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// CardPackBuyDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  CardPackBuyDto call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? title = const $CopyWithPlaceholder(),
+    Object? subtitle = const $CopyWithPlaceholder(),
+    Object? cards = const $CopyWithPlaceholder(),
+    Object? items = const $CopyWithPlaceholder(),
+    Object? color = const $CopyWithPlaceholder(),
+    Object? version = const $CopyWithPlaceholder(),
+    Object? price = const $CopyWithPlaceholder(),
+    Object? googlePlayId = const $CopyWithPlaceholder(),
+    Object? rustoreId = const $CopyWithPlaceholder(),
+    Object? appStoreId = const $CopyWithPlaceholder(),
+  }) {
+    return CardPackBuyDto(
+      id: id == const $CopyWithPlaceholder() || id == null
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String,
+      title: title == const $CopyWithPlaceholder() || title == null
+          ? _value.title
+          // ignore: cast_nullable_to_non_nullable
+          : title as String,
+      subtitle: subtitle == const $CopyWithPlaceholder() || subtitle == null
+          ? _value.subtitle
+          // ignore: cast_nullable_to_non_nullable
+          : subtitle as String,
+      cards: cards == const $CopyWithPlaceholder() || cards == null
+          ? _value.cards
+          // ignore: cast_nullable_to_non_nullable
+          : cards as List<GameCardDto>,
+      items: items == const $CopyWithPlaceholder()
+          ? _value.items
+          // ignore: cast_nullable_to_non_nullable
+          : items as List<Item>?,
+      color: color == const $CopyWithPlaceholder()
+          ? _value.color
+          // ignore: cast_nullable_to_non_nullable
+          : color as String?,
+      version: version == const $CopyWithPlaceholder()
+          ? _value.version
+          // ignore: cast_nullable_to_non_nullable
+          : version as String?,
+      price: price == const $CopyWithPlaceholder()
+          ? _value.price
+          // ignore: cast_nullable_to_non_nullable
+          : price as String?,
+      googlePlayId: googlePlayId == const $CopyWithPlaceholder()
+          ? _value.googlePlayId
+          // ignore: cast_nullable_to_non_nullable
+          : googlePlayId as String?,
+      rustoreId: rustoreId == const $CopyWithPlaceholder()
+          ? _value.rustoreId
+          // ignore: cast_nullable_to_non_nullable
+          : rustoreId as String?,
+      appStoreId: appStoreId == const $CopyWithPlaceholder()
+          ? _value.appStoreId
+          // ignore: cast_nullable_to_non_nullable
+          : appStoreId as String?,
+    );
+  }
+}
+
+extension $CardPackBuyDtoCopyWith on CardPackBuyDto {
+  /// Returns a callable class that can be used as follows: `instanceOfCardPackBuyDto.copyWith(...)` or like so:`instanceOfCardPackBuyDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$CardPackBuyDtoCWProxy get copyWith => _$CardPackBuyDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+CardPackBuyDto _$CardPackBuyDtoFromJson(Map<String, dynamic> json) =>
+    CardPackBuyDto(
+      id: json['id'] as String,
+      title: json['title'] as String,
+      subtitle: json['subtitle'] as String,
+      cards: (json['cards'] as List<dynamic>)
+          .map((e) => GameCardDto.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      items: (json['items'] as List<dynamic>?)
+          ?.map((e) => Item.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      color: json['color'] as String?,
+      version: json['version'] as String?,
+      price: json['price'] as String?,
+      googlePlayId: json['googlePlayId'] as String?,
+      rustoreId: json['rustoreId'] as String?,
+      appStoreId: json['appStoreId'] as String?,
+    );
+
+Map<String, dynamic> _$CardPackBuyDtoToJson(CardPackBuyDto instance) {
+  final val = <String, dynamic>{
+    'id': instance.id,
+    'title': instance.title,
+    'subtitle': instance.subtitle,
+  };
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('color', instance.color);
+  writeNotNull('version', instance.version);
+  val['cards'] = instance.cards.map((e) => e.toJson()).toList();
+  writeNotNull('items', instance.items?.map((e) => e.toJson()).toList());
+  writeNotNull('googlePlayId', instance.googlePlayId);
+  writeNotNull('rustoreId', instance.rustoreId);
+  writeNotNull('appStoreId', instance.appStoreId);
+  writeNotNull('price', instance.price);
+  return val;
+}

mnemo_cards_common/lib/src/dtos/packs/card_pack_dto.dart

@@ -0,0 +1,59 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:mnemo_cards_common/src/dtos/packs/get_card_pack_response.dart';
+
+import '../game_card_dto.dart';
+import '../payment/export.dart';
+
+part 'card_pack_dto.g.dart';
+
+/// Complete info about the pack (except tests)
+/// Used for available packs
+@JsonSerializable(explicitToJson: true, includeIfNull: false)
+@CopyWith()
+class CardPackDto extends GetCardPackResponse implements MnemoCardsProductDto {
+  final String id;
+  final String title;
+  final String subtitle;
+  final String? color;
+  final String? version;
+  final List<GameCardDto> cards;
+
+  const CardPackDto({
+    required this.id,
+    required this.title,
+    required this.subtitle,
+    required this.cards,
+    required this.color,
+    required this.version,
+  }) : super(responseType: GetCardPackResponseType.dto);
+
+  factory CardPackDto.fromJson(Map<String, dynamic> json) =>
+      _$CardPackDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$CardPackDtoToJson(this);
+
+  @override
+  MnemoCardsProductType get type => MnemoCardsProductType.pack;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is CardPackDto &&
+          runtimeType == other.runtimeType &&
+          id == other.id &&
+          title == other.title &&
+          subtitle == other.subtitle &&
+          color == other.color &&
+          version == other.version &&
+          cards.length == other.cards.length;
+
+  @override
+  int get hashCode =>
+      id.hashCode ^
+      title.hashCode ^
+      subtitle.hashCode ^
+      color.hashCode ^
+      version.hashCode ^
+      cards.length.hashCode;
+}

mnemo_cards_common/lib/src/dtos/packs/card_pack_dto.g.dart

@@ -0,0 +1,145 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'card_pack_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$CardPackDtoCWProxy {
+  CardPackDto id(String id);
+
+  CardPackDto title(String title);
+
+  CardPackDto subtitle(String subtitle);
+
+  CardPackDto cards(List<GameCardDto> cards);
+
+  CardPackDto color(String? color);
+
+  CardPackDto version(String? version);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `CardPackDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// CardPackDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  CardPackDto call({
+    String? id,
+    String? title,
+    String? subtitle,
+    List<GameCardDto>? cards,
+    String? color,
+    String? version,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfCardPackDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfCardPackDto.copyWith.fieldName(...)`
+class _$CardPackDtoCWProxyImpl implements _$CardPackDtoCWProxy {
+  const _$CardPackDtoCWProxyImpl(this._value);
+
+  final CardPackDto _value;
+
+  @override
+  CardPackDto id(String id) => this(id: id);
+
+  @override
+  CardPackDto title(String title) => this(title: title);
+
+  @override
+  CardPackDto subtitle(String subtitle) => this(subtitle: subtitle);
+
+  @override
+  CardPackDto cards(List<GameCardDto> cards) => this(cards: cards);
+
+  @override
+  CardPackDto color(String? color) => this(color: color);
+
+  @override
+  CardPackDto version(String? version) => this(version: version);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `CardPackDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// CardPackDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  CardPackDto call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? title = const $CopyWithPlaceholder(),
+    Object? subtitle = const $CopyWithPlaceholder(),
+    Object? cards = const $CopyWithPlaceholder(),
+    Object? color = const $CopyWithPlaceholder(),
+    Object? version = const $CopyWithPlaceholder(),
+  }) {
+    return CardPackDto(
+      id: id == const $CopyWithPlaceholder() || id == null
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String,
+      title: title == const $CopyWithPlaceholder() || title == null
+          ? _value.title
+          // ignore: cast_nullable_to_non_nullable
+          : title as String,
+      subtitle: subtitle == const $CopyWithPlaceholder() || subtitle == null
+          ? _value.subtitle
+          // ignore: cast_nullable_to_non_nullable
+          : subtitle as String,
+      cards: cards == const $CopyWithPlaceholder() || cards == null
+          ? _value.cards
+          // ignore: cast_nullable_to_non_nullable
+          : cards as List<GameCardDto>,
+      color: color == const $CopyWithPlaceholder()
+          ? _value.color
+          // ignore: cast_nullable_to_non_nullable
+          : color as String?,
+      version: version == const $CopyWithPlaceholder()
+          ? _value.version
+          // ignore: cast_nullable_to_non_nullable
+          : version as String?,
+    );
+  }
+}
+
+extension $CardPackDtoCopyWith on CardPackDto {
+  /// Returns a callable class that can be used as follows: `instanceOfCardPackDto.copyWith(...)` or like so:`instanceOfCardPackDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$CardPackDtoCWProxy get copyWith => _$CardPackDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+CardPackDto _$CardPackDtoFromJson(Map<String, dynamic> json) => CardPackDto(
+      id: json['id'] as String,
+      title: json['title'] as String,
+      subtitle: json['subtitle'] as String,
+      cards: (json['cards'] as List<dynamic>)
+          .map((e) => GameCardDto.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      color: json['color'] as String?,
+      version: json['version'] as String?,
+    );
+
+Map<String, dynamic> _$CardPackDtoToJson(CardPackDto instance) {
+  final val = <String, dynamic>{
+    'id': instance.id,
+    'title': instance.title,
+    'subtitle': instance.subtitle,
+  };
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('color', instance.color);
+  writeNotNull('version', instance.version);
+  val['cards'] = instance.cards.map((e) => e.toJson()).toList();
+  return val;
+}

mnemo_cards_common/lib/src/dtos/packs/card_pack_loading_dto.dart

@@ -0,0 +1,72 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+import 'card_pack_preview_dto.dart';
+import 'get_card_pack_response.dart';
+
+part 'card_pack_loading_dto.g.dart';
+
+/// For the main screen
+@JsonSerializable(explicitToJson: true, includeIfNull: false)
+@CopyWith()
+class CardPackLoadingDto extends GetCardPackResponse {
+  final String id;
+  final String? title;
+  final String? subtitle;
+  final String? message;
+  final String? imageId;
+  final String? color;
+  final double? loadingProgress;
+
+  const CardPackLoadingDto({
+    required this.id,
+    required this.title,
+    required this.subtitle,
+    required this.message,
+    required this.imageId,
+    required this.color,
+    this.loadingProgress,
+    super.responseType = GetCardPackResponseType.loading,
+  });
+
+  factory CardPackLoadingDto.fromId(String id, {String? message}) =>
+      CardPackLoadingDto(
+        id: id,
+        title: null,
+        subtitle: null,
+        message: message,
+        imageId: null,
+        color: null,
+      );
+
+  factory CardPackLoadingDto.fromPreviewDto(CardPackPreviewDto dto) =>
+      CardPackLoadingDto(
+        id: dto.id,
+        title: dto.title,
+        subtitle: dto.subtitle,
+        message: 'Загрузка...',
+        imageId: 'pack_${dto.id}',
+        color: dto.color,
+      );
+
+  @override
+  bool operator ==(Object other) => hashCode == other.hashCode;
+
+  @override
+  int get hashCode =>
+      Object.hashAll([
+        id,
+        title,
+        subtitle,
+        message,
+        imageId,
+        color,
+        loadingProgress,
+        responseType,
+      ]);
+
+  factory CardPackLoadingDto.fromJson(Map<String, dynamic> json) =>
+      _$CardPackLoadingDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$CardPackLoadingDtoToJson(this);
+}

mnemo_cards_common/lib/src/dtos/packs/card_pack_loading_dto.g.dart

@@ -0,0 +1,185 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'card_pack_loading_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$CardPackLoadingDtoCWProxy {
+  CardPackLoadingDto id(String id);
+
+  CardPackLoadingDto title(String? title);
+
+  CardPackLoadingDto subtitle(String? subtitle);
+
+  CardPackLoadingDto message(String? message);
+
+  CardPackLoadingDto imageId(String? imageId);
+
+  CardPackLoadingDto color(String? color);
+
+  CardPackLoadingDto loadingProgress(double? loadingProgress);
+
+  CardPackLoadingDto responseType(GetCardPackResponseType responseType);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `CardPackLoadingDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// CardPackLoadingDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  CardPackLoadingDto call({
+    String? id,
+    String? title,
+    String? subtitle,
+    String? message,
+    String? imageId,
+    String? color,
+    double? loadingProgress,
+    GetCardPackResponseType? responseType,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfCardPackLoadingDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfCardPackLoadingDto.copyWith.fieldName(...)`
+class _$CardPackLoadingDtoCWProxyImpl implements _$CardPackLoadingDtoCWProxy {
+  const _$CardPackLoadingDtoCWProxyImpl(this._value);
+
+  final CardPackLoadingDto _value;
+
+  @override
+  CardPackLoadingDto id(String id) => this(id: id);
+
+  @override
+  CardPackLoadingDto title(String? title) => this(title: title);
+
+  @override
+  CardPackLoadingDto subtitle(String? subtitle) => this(subtitle: subtitle);
+
+  @override
+  CardPackLoadingDto message(String? message) => this(message: message);
+
+  @override
+  CardPackLoadingDto imageId(String? imageId) => this(imageId: imageId);
+
+  @override
+  CardPackLoadingDto color(String? color) => this(color: color);
+
+  @override
+  CardPackLoadingDto loadingProgress(double? loadingProgress) =>
+      this(loadingProgress: loadingProgress);
+
+  @override
+  CardPackLoadingDto responseType(GetCardPackResponseType responseType) =>
+      this(responseType: responseType);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `CardPackLoadingDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// CardPackLoadingDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  CardPackLoadingDto call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? title = const $CopyWithPlaceholder(),
+    Object? subtitle = const $CopyWithPlaceholder(),
+    Object? message = const $CopyWithPlaceholder(),
+    Object? imageId = const $CopyWithPlaceholder(),
+    Object? color = const $CopyWithPlaceholder(),
+    Object? loadingProgress = const $CopyWithPlaceholder(),
+    Object? responseType = const $CopyWithPlaceholder(),
+  }) {
+    return CardPackLoadingDto(
+      id: id == const $CopyWithPlaceholder() || id == null
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String,
+      title: title == const $CopyWithPlaceholder()
+          ? _value.title
+          // ignore: cast_nullable_to_non_nullable
+          : title as String?,
+      subtitle: subtitle == const $CopyWithPlaceholder()
+          ? _value.subtitle
+          // ignore: cast_nullable_to_non_nullable
+          : subtitle as String?,
+      message: message == const $CopyWithPlaceholder()
+          ? _value.message
+          // ignore: cast_nullable_to_non_nullable
+          : message as String?,
+      imageId: imageId == const $CopyWithPlaceholder()
+          ? _value.imageId
+          // ignore: cast_nullable_to_non_nullable
+          : imageId as String?,
+      color: color == const $CopyWithPlaceholder()
+          ? _value.color
+          // ignore: cast_nullable_to_non_nullable
+          : color as String?,
+      loadingProgress: loadingProgress == const $CopyWithPlaceholder()
+          ? _value.loadingProgress
+          // ignore: cast_nullable_to_non_nullable
+          : loadingProgress as double?,
+      responseType:
+          responseType == const $CopyWithPlaceholder() || responseType == null
+              ? _value.responseType
+              // ignore: cast_nullable_to_non_nullable
+              : responseType as GetCardPackResponseType,
+    );
+  }
+}
+
+extension $CardPackLoadingDtoCopyWith on CardPackLoadingDto {
+  /// Returns a callable class that can be used as follows: `instanceOfCardPackLoadingDto.copyWith(...)` or like so:`instanceOfCardPackLoadingDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$CardPackLoadingDtoCWProxy get copyWith =>
+      _$CardPackLoadingDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+CardPackLoadingDto _$CardPackLoadingDtoFromJson(Map<String, dynamic> json) =>
+    CardPackLoadingDto(
+      id: json['id'] as String,
+      title: json['title'] as String?,
+      subtitle: json['subtitle'] as String?,
+      message: json['message'] as String?,
+      imageId: json['imageId'] as String?,
+      color: json['color'] as String?,
+      loadingProgress: (json['loadingProgress'] as num?)?.toDouble(),
+      responseType: $enumDecodeNullable(
+              _$GetCardPackResponseTypeEnumMap, json['responseType'],
+              unknownValue: GetCardPackResponseType.unknown) ??
+          GetCardPackResponseType.loading,
+    );
+
+Map<String, dynamic> _$CardPackLoadingDtoToJson(CardPackLoadingDto instance) {
+  final val = <String, dynamic>{
+    'responseType': _$GetCardPackResponseTypeEnumMap[instance.responseType]!,
+    'id': instance.id,
+  };
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('title', instance.title);
+  writeNotNull('subtitle', instance.subtitle);
+  writeNotNull('message', instance.message);
+  writeNotNull('imageId', instance.imageId);
+  writeNotNull('color', instance.color);
+  writeNotNull('loadingProgress', instance.loadingProgress);
+  return val;
+}
+
+const _$GetCardPackResponseTypeEnumMap = {
+  GetCardPackResponseType.buy: 'buy',
+  GetCardPackResponseType.dto: 'dto',
+  GetCardPackResponseType.edit: 'edit',
+  GetCardPackResponseType.loading: 'loading',
+  GetCardPackResponseType.unknown: 'unknown',
+};

mnemo_cards_common/lib/src/dtos/packs/card_pack_preview_dto.dart

@@ -0,0 +1,68 @@
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:json_annotation/json_annotation.dart';
+import 'package:mnemo_cards_common/mnemo_cards_common.dart';
+
+import 'pack_tip.dart';
+
+
+part 'card_pack_preview_dto.g.dart';
+
+/// For the main screen
+@JsonSerializable(explicitToJson: true, includeIfNull: false)
+@CopyWith()
+class CardPackPreviewDto
+    implements MnemoCardsProductDto {
+  final String id;
+  final String title;
+  final String? subtitle;
+  final int? cards;
+  final int? tests;
+  final String? price;
+  final String? imageBase64;
+  final String? color;
+  @JsonKey(defaultValue: false)
+  final bool isAvailable;
+  final PackTip? tip;
+  final String? version;
+
+  const CardPackPreviewDto({
+    required this.id,
+    required this.title,
+    required this.subtitle,
+    required this.cards,
+    required this.tests,
+    required this.price,
+    required this.imageBase64,
+    required this.color,
+    required this.isAvailable,
+    required this.tip,
+    required this.version,
+  });
+
+  @override
+  bool operator ==(Object other) => hashCode == other.hashCode;
+
+  @override
+  int get hashCode =>
+      Object.hashAll([
+        id,
+        title,
+        subtitle,
+        cards,
+        tests,
+        price,
+        imageBase64,
+        color,
+        isAvailable,
+        version,
+        tip,
+      ]);
+
+  factory CardPackPreviewDto.fromJson(Map<String, dynamic> json) =>
+      _$CardPackPreviewDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$CardPackPreviewDtoToJson(this);
+
+  @override
+  MnemoCardsProductType get type => MnemoCardsProductType.pack;
+}

mnemo_cards_common/lib/src/dtos/packs/card_pack_preview_dto.g.dart

@@ -0,0 +1,215 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'card_pack_preview_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$CardPackPreviewDtoCWProxy {
+  CardPackPreviewDto id(String id);
+
+  CardPackPreviewDto title(String title);
+
+  CardPackPreviewDto subtitle(String? subtitle);
+
+  CardPackPreviewDto cards(int? cards);
+
+  CardPackPreviewDto tests(int? tests);
+
+  CardPackPreviewDto price(String? price);
+
+  CardPackPreviewDto imageBase64(String? imageBase64);
+
+  CardPackPreviewDto color(String? color);
+
+  CardPackPreviewDto isAvailable(bool isAvailable);
+
+  CardPackPreviewDto tip(PackTip? tip);
+
+  CardPackPreviewDto version(String? version);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `CardPackPreviewDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// CardPackPreviewDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  CardPackPreviewDto call({
+    String? id,
+    String? title,
+    String? subtitle,
+    int? cards,
+    int? tests,
+    String? price,
+    String? imageBase64,
+    String? color,
+    bool? isAvailable,
+    PackTip? tip,
+    String? version,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfCardPackPreviewDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfCardPackPreviewDto.copyWith.fieldName(...)`
+class _$CardPackPreviewDtoCWProxyImpl implements _$CardPackPreviewDtoCWProxy {
+  const _$CardPackPreviewDtoCWProxyImpl(this._value);
+
+  final CardPackPreviewDto _value;
+
+  @override
+  CardPackPreviewDto id(String id) => this(id: id);
+
+  @override
+  CardPackPreviewDto title(String title) => this(title: title);
+
+  @override
+  CardPackPreviewDto subtitle(String? subtitle) => this(subtitle: subtitle);
+
+  @override
+  CardPackPreviewDto cards(int? cards) => this(cards: cards);
+
+  @override
+  CardPackPreviewDto tests(int? tests) => this(tests: tests);
+
+  @override
+  CardPackPreviewDto price(String? price) => this(price: price);
+
+  @override
+  CardPackPreviewDto imageBase64(String? imageBase64) =>
+      this(imageBase64: imageBase64);
+
+  @override
+  CardPackPreviewDto color(String? color) => this(color: color);
+
+  @override
+  CardPackPreviewDto isAvailable(bool isAvailable) =>
+      this(isAvailable: isAvailable);
+
+  @override
+  CardPackPreviewDto tip(PackTip? tip) => this(tip: tip);
+
+  @override
+  CardPackPreviewDto version(String? version) => this(version: version);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `CardPackPreviewDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// CardPackPreviewDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  CardPackPreviewDto call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? title = const $CopyWithPlaceholder(),
+    Object? subtitle = const $CopyWithPlaceholder(),
+    Object? cards = const $CopyWithPlaceholder(),
+    Object? tests = const $CopyWithPlaceholder(),
+    Object? price = const $CopyWithPlaceholder(),
+    Object? imageBase64 = const $CopyWithPlaceholder(),
+    Object? color = const $CopyWithPlaceholder(),
+    Object? isAvailable = const $CopyWithPlaceholder(),
+    Object? tip = const $CopyWithPlaceholder(),
+    Object? version = const $CopyWithPlaceholder(),
+  }) {
+    return CardPackPreviewDto(
+      id: id == const $CopyWithPlaceholder() || id == null
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String,
+      title: title == const $CopyWithPlaceholder() || title == null
+          ? _value.title
+          // ignore: cast_nullable_to_non_nullable
+          : title as String,
+      subtitle: subtitle == const $CopyWithPlaceholder()
+          ? _value.subtitle
+          // ignore: cast_nullable_to_non_nullable
+          : subtitle as String?,
+      cards: cards == const $CopyWithPlaceholder()
+          ? _value.cards
+          // ignore: cast_nullable_to_non_nullable
+          : cards as int?,
+      tests: tests == const $CopyWithPlaceholder()
+          ? _value.tests
+          // ignore: cast_nullable_to_non_nullable
+          : tests as int?,
+      price: price == const $CopyWithPlaceholder()
+          ? _value.price
+          // ignore: cast_nullable_to_non_nullable
+          : price as String?,
+      imageBase64: imageBase64 == const $CopyWithPlaceholder()
+          ? _value.imageBase64
+          // ignore: cast_nullable_to_non_nullable
+          : imageBase64 as String?,
+      color: color == const $CopyWithPlaceholder()
+          ? _value.color
+          // ignore: cast_nullable_to_non_nullable
+          : color as String?,
+      isAvailable:
+          isAvailable == const $CopyWithPlaceholder() || isAvailable == null
+              ? _value.isAvailable
+              // ignore: cast_nullable_to_non_nullable
+              : isAvailable as bool,
+      tip: tip == const $CopyWithPlaceholder()
+          ? _value.tip
+          // ignore: cast_nullable_to_non_nullable
+          : tip as PackTip?,
+      version: version == const $CopyWithPlaceholder()
+          ? _value.version
+          // ignore: cast_nullable_to_non_nullable
+          : version as String?,
+    );
+  }
+}
+
+extension $CardPackPreviewDtoCopyWith on CardPackPreviewDto {
+  /// Returns a callable class that can be used as follows: `instanceOfCardPackPreviewDto.copyWith(...)` or like so:`instanceOfCardPackPreviewDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$CardPackPreviewDtoCWProxy get copyWith =>
+      _$CardPackPreviewDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+CardPackPreviewDto _$CardPackPreviewDtoFromJson(Map<String, dynamic> json) =>
+    CardPackPreviewDto(
+      id: json['id'] as String,
+      title: json['title'] as String,
+      subtitle: json['subtitle'] as String?,
+      cards: json['cards'] as int?,
+      tests: json['tests'] as int?,
+      price: json['price'] as String?,
+      imageBase64: json['imageBase64'] as String?,
+      color: json['color'] as String?,
+      isAvailable: json['isAvailable'] as bool? ?? false,
+      tip: json['tip'] == null
+          ? null
+          : PackTip.fromJson(json['tip'] as Map<String, dynamic>),
+      version: json['version'] as String?,
+    );
+
+Map<String, dynamic> _$CardPackPreviewDtoToJson(CardPackPreviewDto instance) {
+  final val = <String, dynamic>{
+    'id': instance.id,
+    'title': instance.title,
+  };
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('subtitle', instance.subtitle);
+  writeNotNull('cards', instance.cards);
+  writeNotNull('tests', instance.tests);
+  writeNotNull('price', instance.price);
+  writeNotNull('imageBase64', instance.imageBase64);
+  writeNotNull('color', instance.color);
+  val['isAvailable'] = instance.isAvailable;
+  writeNotNull('tip', instance.tip?.toJson());
+  writeNotNull('version', instance.version);
+  return val;
+}

mnemo_cards_common/lib/src/dtos/packs/edit_card_pack_dto.dart

@@ -0,0 +1,61 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:mnemo_cards_common/src/dtos/packs/get_card_pack_response.dart';
+
+part 'edit_card_pack_dto.g.dart';
+
+/// Complete info about the pack (except tests)
+/// Used for available packs
+@JsonSerializable(explicitToJson: true, includeIfNull: false)
+@CopyWith()
+class EditCardPackDto extends GetCardPackResponse {
+  final String? id;
+  final String? title;
+  final String? subtitle;
+  final String? color;
+  final String? cover;
+  final int? size;
+  final String? googlePlayId;
+  final String? rustoreId;
+  final String? appStoreId;
+  final String? price;
+  final String? description;
+  final bool? enabled;
+  final String? version;
+  final List<String>? addCardIds;
+  final List<String>? addTestIds;
+  final List<String>? removeCardIds;
+  final List<String>? removeTestIds;
+  final List<int>? cardsOrder;
+  final int? order;
+
+  final List<String>? previewCards;
+
+  const EditCardPackDto({
+    required this.id,
+    required this.title,
+    required this.subtitle,
+    required this.color,
+    required this.cover,
+    required this.size,
+    required this.googlePlayId,
+    required this.rustoreId,
+    required this.appStoreId,
+    required this.price,
+    required this.description,
+    required this.enabled,
+    required this.addCardIds,
+    required this.addTestIds,
+    required this.removeCardIds,
+    required this.removeTestIds,
+    required this.previewCards,
+    required this.version,
+    required this.order,
+    required this.cardsOrder,
+  }) : super(responseType: GetCardPackResponseType.edit);
+
+  factory EditCardPackDto.fromJson(Map<String, dynamic> json) =>
+      _$EditCardPackDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$EditCardPackDtoToJson(this);
+}

mnemo_cards_common/lib/src/dtos/packs/edit_card_pack_dto.g.dart

@@ -0,0 +1,345 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'edit_card_pack_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$EditCardPackDtoCWProxy {
+  EditCardPackDto id(String? id);
+
+  EditCardPackDto title(String? title);
+
+  EditCardPackDto subtitle(String? subtitle);
+
+  EditCardPackDto color(String? color);
+
+  EditCardPackDto cover(String? cover);
+
+  EditCardPackDto size(int? size);
+
+  EditCardPackDto googlePlayId(String? googlePlayId);
+
+  EditCardPackDto rustoreId(String? rustoreId);
+
+  EditCardPackDto appStoreId(String? appStoreId);
+
+  EditCardPackDto price(String? price);
+
+  EditCardPackDto description(String? description);
+
+  EditCardPackDto enabled(bool? enabled);
+
+  EditCardPackDto addCardIds(List<String>? addCardIds);
+
+  EditCardPackDto addTestIds(List<String>? addTestIds);
+
+  EditCardPackDto removeCardIds(List<String>? removeCardIds);
+
+  EditCardPackDto removeTestIds(List<String>? removeTestIds);
+
+  EditCardPackDto previewCards(List<String>? previewCards);
+
+  EditCardPackDto version(String? version);
+
+  EditCardPackDto order(int? order);
+
+  EditCardPackDto cardsOrder(List<int>? cardsOrder);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `EditCardPackDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// EditCardPackDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  EditCardPackDto call({
+    String? id,
+    String? title,
+    String? subtitle,
+    String? color,
+    String? cover,
+    int? size,
+    String? googlePlayId,
+    String? rustoreId,
+    String? appStoreId,
+    String? price,
+    String? description,
+    bool? enabled,
+    List<String>? addCardIds,
+    List<String>? addTestIds,
+    List<String>? removeCardIds,
+    List<String>? removeTestIds,
+    List<String>? previewCards,
+    String? version,
+    int? order,
+    List<int>? cardsOrder,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfEditCardPackDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfEditCardPackDto.copyWith.fieldName(...)`
+class _$EditCardPackDtoCWProxyImpl implements _$EditCardPackDtoCWProxy {
+  const _$EditCardPackDtoCWProxyImpl(this._value);
+
+  final EditCardPackDto _value;
+
+  @override
+  EditCardPackDto id(String? id) => this(id: id);
+
+  @override
+  EditCardPackDto title(String? title) => this(title: title);
+
+  @override
+  EditCardPackDto subtitle(String? subtitle) => this(subtitle: subtitle);
+
+  @override
+  EditCardPackDto color(String? color) => this(color: color);
+
+  @override
+  EditCardPackDto cover(String? cover) => this(cover: cover);
+
+  @override
+  EditCardPackDto size(int? size) => this(size: size);
+
+  @override
+  EditCardPackDto googlePlayId(String? googlePlayId) =>
+      this(googlePlayId: googlePlayId);
+
+  @override
+  EditCardPackDto rustoreId(String? rustoreId) => this(rustoreId: rustoreId);
+
+  @override
+  EditCardPackDto appStoreId(String? appStoreId) =>
+      this(appStoreId: appStoreId);
+
+  @override
+  EditCardPackDto price(String? price) => this(price: price);
+
+  @override
+  EditCardPackDto description(String? description) =>
+      this(description: description);
+
+  @override
+  EditCardPackDto enabled(bool? enabled) => this(enabled: enabled);
+
+  @override
+  EditCardPackDto addCardIds(List<String>? addCardIds) =>
+      this(addCardIds: addCardIds);
+
+  @override
+  EditCardPackDto addTestIds(List<String>? addTestIds) =>
+      this(addTestIds: addTestIds);
+
+  @override
+  EditCardPackDto removeCardIds(List<String>? removeCardIds) =>
+      this(removeCardIds: removeCardIds);
+
+  @override
+  EditCardPackDto removeTestIds(List<String>? removeTestIds) =>
+      this(removeTestIds: removeTestIds);
+
+  @override
+  EditCardPackDto previewCards(List<String>? previewCards) =>
+      this(previewCards: previewCards);
+
+  @override
+  EditCardPackDto version(String? version) => this(version: version);
+
+  @override
+  EditCardPackDto order(int? order) => this(order: order);
+
+  @override
+  EditCardPackDto cardsOrder(List<int>? cardsOrder) =>
+      this(cardsOrder: cardsOrder);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `EditCardPackDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// EditCardPackDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  EditCardPackDto call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? title = const $CopyWithPlaceholder(),
+    Object? subtitle = const $CopyWithPlaceholder(),
+    Object? color = const $CopyWithPlaceholder(),
+    Object? cover = const $CopyWithPlaceholder(),
+    Object? size = const $CopyWithPlaceholder(),
+    Object? googlePlayId = const $CopyWithPlaceholder(),
+    Object? rustoreId = const $CopyWithPlaceholder(),
+    Object? appStoreId = const $CopyWithPlaceholder(),
+    Object? price = const $CopyWithPlaceholder(),
+    Object? description = const $CopyWithPlaceholder(),
+    Object? enabled = const $CopyWithPlaceholder(),
+    Object? addCardIds = const $CopyWithPlaceholder(),
+    Object? addTestIds = const $CopyWithPlaceholder(),
+    Object? removeCardIds = const $CopyWithPlaceholder(),
+    Object? removeTestIds = const $CopyWithPlaceholder(),
+    Object? previewCards = const $CopyWithPlaceholder(),
+    Object? version = const $CopyWithPlaceholder(),
+    Object? order = const $CopyWithPlaceholder(),
+    Object? cardsOrder = const $CopyWithPlaceholder(),
+  }) {
+    return EditCardPackDto(
+      id: id == const $CopyWithPlaceholder()
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String?,
+      title: title == const $CopyWithPlaceholder()
+          ? _value.title
+          // ignore: cast_nullable_to_non_nullable
+          : title as String?,
+      subtitle: subtitle == const $CopyWithPlaceholder()
+          ? _value.subtitle
+          // ignore: cast_nullable_to_non_nullable
+          : subtitle as String?,
+      color: color == const $CopyWithPlaceholder()
+          ? _value.color
+          // ignore: cast_nullable_to_non_nullable
+          : color as String?,
+      cover: cover == const $CopyWithPlaceholder()
+          ? _value.cover
+          // ignore: cast_nullable_to_non_nullable
+          : cover as String?,
+      size: size == const $CopyWithPlaceholder()
+          ? _value.size
+          // ignore: cast_nullable_to_non_nullable
+          : size as int?,
+      googlePlayId: googlePlayId == const $CopyWithPlaceholder()
+          ? _value.googlePlayId
+          // ignore: cast_nullable_to_non_nullable
+          : googlePlayId as String?,
+      rustoreId: rustoreId == const $CopyWithPlaceholder()
+          ? _value.rustoreId
+          // ignore: cast_nullable_to_non_nullable
+          : rustoreId as String?,
+      appStoreId: appStoreId == const $CopyWithPlaceholder()
+          ? _value.appStoreId
+          // ignore: cast_nullable_to_non_nullable
+          : appStoreId as String?,
+      price: price == const $CopyWithPlaceholder()
+          ? _value.price
+          // ignore: cast_nullable_to_non_nullable
+          : price as String?,
+      description: description == const $CopyWithPlaceholder()
+          ? _value.description
+          // ignore: cast_nullable_to_non_nullable
+          : description as String?,
+      enabled: enabled == const $CopyWithPlaceholder()
+          ? _value.enabled
+          // ignore: cast_nullable_to_non_nullable
+          : enabled as bool?,
+      addCardIds: addCardIds == const $CopyWithPlaceholder()
+          ? _value.addCardIds
+          // ignore: cast_nullable_to_non_nullable
+          : addCardIds as List<String>?,
+      addTestIds: addTestIds == const $CopyWithPlaceholder()
+          ? _value.addTestIds
+          // ignore: cast_nullable_to_non_nullable
+          : addTestIds as List<String>?,
+      removeCardIds: removeCardIds == const $CopyWithPlaceholder()
+          ? _value.removeCardIds
+          // ignore: cast_nullable_to_non_nullable
+          : removeCardIds as List<String>?,
+      removeTestIds: removeTestIds == const $CopyWithPlaceholder()
+          ? _value.removeTestIds
+          // ignore: cast_nullable_to_non_nullable
+          : removeTestIds as List<String>?,
+      previewCards: previewCards == const $CopyWithPlaceholder()
+          ? _value.previewCards
+          // ignore: cast_nullable_to_non_nullable
+          : previewCards as List<String>?,
+      version: version == const $CopyWithPlaceholder()
+          ? _value.version
+          // ignore: cast_nullable_to_non_nullable
+          : version as String?,
+      order: order == const $CopyWithPlaceholder()
+          ? _value.order
+          // ignore: cast_nullable_to_non_nullable
+          : order as int?,
+      cardsOrder: cardsOrder == const $CopyWithPlaceholder()
+          ? _value.cardsOrder
+          // ignore: cast_nullable_to_non_nullable
+          : cardsOrder as List<int>?,
+    );
+  }
+}
+
+extension $EditCardPackDtoCopyWith on EditCardPackDto {
+  /// Returns a callable class that can be used as follows: `instanceOfEditCardPackDto.copyWith(...)` or like so:`instanceOfEditCardPackDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$EditCardPackDtoCWProxy get copyWith => _$EditCardPackDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+EditCardPackDto _$EditCardPackDtoFromJson(Map<String, dynamic> json) =>
+    EditCardPackDto(
+      id: json['id'] as String?,
+      title: json['title'] as String?,
+      subtitle: json['subtitle'] as String?,
+      color: json['color'] as String?,
+      cover: json['cover'] as String?,
+      size: json['size'] as int?,
+      googlePlayId: json['googlePlayId'] as String?,
+      rustoreId: json['rustoreId'] as String?,
+      appStoreId: json['appStoreId'] as String?,
+      price: json['price'] as String?,
+      description: json['description'] as String?,
+      enabled: json['enabled'] as bool?,
+      addCardIds: (json['addCardIds'] as List<dynamic>?)
+          ?.map((e) => e as String)
+          .toList(),
+      addTestIds: (json['addTestIds'] as List<dynamic>?)
+          ?.map((e) => e as String)
+          .toList(),
+      removeCardIds: (json['removeCardIds'] as List<dynamic>?)
+          ?.map((e) => e as String)
+          .toList(),
+      removeTestIds: (json['removeTestIds'] as List<dynamic>?)
+          ?.map((e) => e as String)
+          .toList(),
+      previewCards: (json['previewCards'] as List<dynamic>?)
+          ?.map((e) => e as String)
+          .toList(),
+      version: json['version'] as String?,
+      order: json['order'] as int?,
+      cardsOrder:
+          (json['cardsOrder'] as List<dynamic>?)?.map((e) => e as int).toList(),
+    );
+
+Map<String, dynamic> _$EditCardPackDtoToJson(EditCardPackDto instance) {
+  final val = <String, dynamic>{};
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('id', instance.id);
+  writeNotNull('title', instance.title);
+  writeNotNull('subtitle', instance.subtitle);
+  writeNotNull('color', instance.color);
+  writeNotNull('cover', instance.cover);
+  writeNotNull('size', instance.size);
+  writeNotNull('googlePlayId', instance.googlePlayId);
+  writeNotNull('rustoreId', instance.rustoreId);
+  writeNotNull('appStoreId', instance.appStoreId);
+  writeNotNull('price', instance.price);
+  writeNotNull('description', instance.description);
+  writeNotNull('enabled', instance.enabled);
+  writeNotNull('version', instance.version);
+  writeNotNull('addCardIds', instance.addCardIds);
+  writeNotNull('addTestIds', instance.addTestIds);
+  writeNotNull('removeCardIds', instance.removeCardIds);
+  writeNotNull('removeTestIds', instance.removeTestIds);
+  writeNotNull('cardsOrder', instance.cardsOrder);
+  writeNotNull('order', instance.order);
+  writeNotNull('previewCards', instance.previewCards);
+  return val;
+}

mnemo_cards_common/lib/src/dtos/packs/get_card_pack_response.dart

@@ -0,0 +1,50 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:mnemo_cards_common/src/dtos/packs/card_pack_buy_dto.dart';
+import 'package:mnemo_cards_common/src/dtos/packs/edit_card_pack_dto.dart';
+
+import 'card_pack_dto.dart';
+import 'card_pack_loading_dto.dart';
+
+part 'get_card_pack_response.g.dart';
+
+/// Actions for cached packs
+/// Update action
+@JsonSerializable()
+@CopyWith()
+class GetCardPackResponse {
+  @JsonKey(unknownEnumValue: GetCardPackResponseType.unknown)
+  final GetCardPackResponseType responseType;
+
+  String? get id => null;
+
+  const GetCardPackResponse({
+    required this.responseType,
+  });
+
+  factory GetCardPackResponse.fromJson(Map<String, dynamic> json) {
+    final response = _$GetCardPackResponseFromJson(json);
+    switch (response.responseType) {
+      case GetCardPackResponseType.buy:
+        return CardPackBuyDto.fromJson(json);
+      case GetCardPackResponseType.dto:
+        return CardPackDto.fromJson(json);
+      case GetCardPackResponseType.edit:
+        return EditCardPackDto.fromJson(json);
+      case GetCardPackResponseType.loading:
+        return CardPackLoadingDto.fromJson(json);
+      case GetCardPackResponseType.unknown:
+        return response;
+    }
+  }
+
+  Map<String, dynamic> toJson() => _$GetCardPackResponseToJson(this);
+}
+
+enum GetCardPackResponseType {
+  buy,
+  dto,
+  edit,
+  loading,
+  unknown,
+}

mnemo_cards_common/lib/src/dtos/packs/get_card_pack_response.g.dart

@@ -0,0 +1,84 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'get_card_pack_response.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$GetCardPackResponseCWProxy {
+  GetCardPackResponse responseType(GetCardPackResponseType responseType);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `GetCardPackResponse(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// GetCardPackResponse(...).copyWith(id: 12, name: "My name")
+  /// ````
+  GetCardPackResponse call({
+    GetCardPackResponseType? responseType,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfGetCardPackResponse.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfGetCardPackResponse.copyWith.fieldName(...)`
+class _$GetCardPackResponseCWProxyImpl implements _$GetCardPackResponseCWProxy {
+  const _$GetCardPackResponseCWProxyImpl(this._value);
+
+  final GetCardPackResponse _value;
+
+  @override
+  GetCardPackResponse responseType(GetCardPackResponseType responseType) =>
+      this(responseType: responseType);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `GetCardPackResponse(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// GetCardPackResponse(...).copyWith(id: 12, name: "My name")
+  /// ````
+  GetCardPackResponse call({
+    Object? responseType = const $CopyWithPlaceholder(),
+  }) {
+    return GetCardPackResponse(
+      responseType:
+          responseType == const $CopyWithPlaceholder() || responseType == null
+              ? _value.responseType
+              // ignore: cast_nullable_to_non_nullable
+              : responseType as GetCardPackResponseType,
+    );
+  }
+}
+
+extension $GetCardPackResponseCopyWith on GetCardPackResponse {
+  /// Returns a callable class that can be used as follows: `instanceOfGetCardPackResponse.copyWith(...)` or like so:`instanceOfGetCardPackResponse.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$GetCardPackResponseCWProxy get copyWith =>
+      _$GetCardPackResponseCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+GetCardPackResponse _$GetCardPackResponseFromJson(Map<String, dynamic> json) =>
+    GetCardPackResponse(
+      responseType: $enumDecode(
+          _$GetCardPackResponseTypeEnumMap, json['responseType'],
+          unknownValue: GetCardPackResponseType.unknown),
+    );
+
+Map<String, dynamic> _$GetCardPackResponseToJson(
+        GetCardPackResponse instance) =>
+    <String, dynamic>{
+      'responseType': _$GetCardPackResponseTypeEnumMap[instance.responseType]!,
+    };
+
+const _$GetCardPackResponseTypeEnumMap = {
+  GetCardPackResponseType.buy: 'buy',
+  GetCardPackResponseType.dto: 'dto',
+  GetCardPackResponseType.edit: 'edit',
+  GetCardPackResponseType.loading: 'loading',
+  GetCardPackResponseType.unknown: 'unknown',
+};

mnemo_cards_common/lib/src/dtos/packs/pack_tip.dart

@@ -0,0 +1,105 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+part 'pack_tip.g.dart';
+
+/// Actions for cached packs
+/// Update action
+@JsonSerializable()
+@CopyWith()
+class PackTip {
+  @JsonKey(unknownEnumValue: PackTipType.unknown)
+  final PackTipType type;
+  final PackTipPosition position;
+  final String? bgColor;
+
+  const PackTip({
+    required this.type,
+    required this.position,
+    required this.bgColor,
+  });
+
+  factory PackTip.fromJson(Map<String, dynamic> json) {
+    final type = _$PackTipFromJson(json).type;
+    switch (type) {
+      case PackTipType.asset:
+        return AssetPackTip.fromJson(json);
+      case PackTipType.base64:
+        return Base64PackTip.fromJson(json);
+      case PackTipType.text:
+        return TextPackTip.fromJson(json);
+      case PackTipType.unknown:
+        return _$PackTipFromJson(json);
+    }
+  }
+
+  Map<String, dynamic> toJson() => _$PackTipToJson(this);
+}
+
+@JsonSerializable()
+@CopyWith()
+class AssetPackTip extends PackTip {
+  String asset;
+
+  AssetPackTip(
+    this.asset, {
+    super.position = PackTipPosition.fullRight,
+    super.type = PackTipType.asset,
+    super.bgColor = null,
+  });
+
+  factory AssetPackTip.fromJson(Map<String, dynamic> json) =>
+      _$AssetPackTipFromJson(json);
+
+  Map<String, dynamic> toJson() => _$AssetPackTipToJson(this);
+}
+
+@JsonSerializable()
+@CopyWith()
+class Base64PackTip extends PackTip {
+  String base64;
+
+  Base64PackTip(
+    this.base64, {
+    super.position = PackTipPosition.fullRight,
+    super.type = PackTipType.base64,
+    super.bgColor = null,
+  });
+
+  factory Base64PackTip.fromJson(Map<String, dynamic> json) =>
+      _$Base64PackTipFromJson(json);
+
+  Map<String, dynamic> toJson() => _$Base64PackTipToJson(this);
+}
+
+@JsonSerializable()
+@CopyWith()
+class TextPackTip extends PackTip {
+  String text;
+
+  TextPackTip(
+    this.text, {
+    super.position = PackTipPosition.fullRight,
+    super.type = PackTipType.text,
+    super.bgColor = null,
+  });
+
+  factory TextPackTip.fromJson(Map<String, dynamic> json) =>
+      _$TextPackTipFromJson(json);
+
+  Map<String, dynamic> toJson() => _$TextPackTipToJson(this);
+}
+
+enum PackTipType {
+  asset,
+  base64,
+  text,
+  unknown,
+}
+
+enum PackTipPosition {
+  topRight,
+  fullRight,
+  bottomRight,
+  unknown,
+}

mnemo_cards_common/lib/src/dtos/packs/pack_tip.g.dart

@@ -0,0 +1,413 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'pack_tip.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$PackTipCWProxy {
+  PackTip type(PackTipType type);
+
+  PackTip position(PackTipPosition position);
+
+  PackTip bgColor(String? bgColor);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `PackTip(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// PackTip(...).copyWith(id: 12, name: "My name")
+  /// ````
+  PackTip call({
+    PackTipType? type,
+    PackTipPosition? position,
+    String? bgColor,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfPackTip.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfPackTip.copyWith.fieldName(...)`
+class _$PackTipCWProxyImpl implements _$PackTipCWProxy {
+  const _$PackTipCWProxyImpl(this._value);
+
+  final PackTip _value;
+
+  @override
+  PackTip type(PackTipType type) => this(type: type);
+
+  @override
+  PackTip position(PackTipPosition position) => this(position: position);
+
+  @override
+  PackTip bgColor(String? bgColor) => this(bgColor: bgColor);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `PackTip(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// PackTip(...).copyWith(id: 12, name: "My name")
+  /// ````
+  PackTip call({
+    Object? type = const $CopyWithPlaceholder(),
+    Object? position = const $CopyWithPlaceholder(),
+    Object? bgColor = const $CopyWithPlaceholder(),
+  }) {
+    return PackTip(
+      type: type == const $CopyWithPlaceholder() || type == null
+          ? _value.type
+          // ignore: cast_nullable_to_non_nullable
+          : type as PackTipType,
+      position: position == const $CopyWithPlaceholder() || position == null
+          ? _value.position
+          // ignore: cast_nullable_to_non_nullable
+          : position as PackTipPosition,
+      bgColor: bgColor == const $CopyWithPlaceholder()
+          ? _value.bgColor
+          // ignore: cast_nullable_to_non_nullable
+          : bgColor as String?,
+    );
+  }
+}
+
+extension $PackTipCopyWith on PackTip {
+  /// Returns a callable class that can be used as follows: `instanceOfPackTip.copyWith(...)` or like so:`instanceOfPackTip.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$PackTipCWProxy get copyWith => _$PackTipCWProxyImpl(this);
+}
+
+abstract class _$AssetPackTipCWProxy {
+  AssetPackTip asset(String asset);
+
+  AssetPackTip position(PackTipPosition position);
+
+  AssetPackTip type(PackTipType type);
+
+  AssetPackTip bgColor(String? bgColor);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `AssetPackTip(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// AssetPackTip(...).copyWith(id: 12, name: "My name")
+  /// ````
+  AssetPackTip call({
+    String? asset,
+    PackTipPosition? position,
+    PackTipType? type,
+    String? bgColor,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfAssetPackTip.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfAssetPackTip.copyWith.fieldName(...)`
+class _$AssetPackTipCWProxyImpl implements _$AssetPackTipCWProxy {
+  const _$AssetPackTipCWProxyImpl(this._value);
+
+  final AssetPackTip _value;
+
+  @override
+  AssetPackTip asset(String asset) => this(asset: asset);
+
+  @override
+  AssetPackTip position(PackTipPosition position) => this(position: position);
+
+  @override
+  AssetPackTip type(PackTipType type) => this(type: type);
+
+  @override
+  AssetPackTip bgColor(String? bgColor) => this(bgColor: bgColor);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `AssetPackTip(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// AssetPackTip(...).copyWith(id: 12, name: "My name")
+  /// ````
+  AssetPackTip call({
+    Object? asset = const $CopyWithPlaceholder(),
+    Object? position = const $CopyWithPlaceholder(),
+    Object? type = const $CopyWithPlaceholder(),
+    Object? bgColor = const $CopyWithPlaceholder(),
+  }) {
+    return AssetPackTip(
+      asset == const $CopyWithPlaceholder() || asset == null
+          ? _value.asset
+          // ignore: cast_nullable_to_non_nullable
+          : asset as String,
+      position: position == const $CopyWithPlaceholder() || position == null
+          ? _value.position
+          // ignore: cast_nullable_to_non_nullable
+          : position as PackTipPosition,
+      type: type == const $CopyWithPlaceholder() || type == null
+          ? _value.type
+          // ignore: cast_nullable_to_non_nullable
+          : type as PackTipType,
+      bgColor: bgColor == const $CopyWithPlaceholder()
+          ? _value.bgColor
+          // ignore: cast_nullable_to_non_nullable
+          : bgColor as String?,
+    );
+  }
+}
+
+extension $AssetPackTipCopyWith on AssetPackTip {
+  /// Returns a callable class that can be used as follows: `instanceOfAssetPackTip.copyWith(...)` or like so:`instanceOfAssetPackTip.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$AssetPackTipCWProxy get copyWith => _$AssetPackTipCWProxyImpl(this);
+}
+
+abstract class _$Base64PackTipCWProxy {
+  Base64PackTip base64(String base64);
+
+  Base64PackTip position(PackTipPosition position);
+
+  Base64PackTip type(PackTipType type);
+
+  Base64PackTip bgColor(String? bgColor);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `Base64PackTip(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// Base64PackTip(...).copyWith(id: 12, name: "My name")
+  /// ````
+  Base64PackTip call({
+    String? base64,
+    PackTipPosition? position,
+    PackTipType? type,
+    String? bgColor,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfBase64PackTip.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfBase64PackTip.copyWith.fieldName(...)`
+class _$Base64PackTipCWProxyImpl implements _$Base64PackTipCWProxy {
+  const _$Base64PackTipCWProxyImpl(this._value);
+
+  final Base64PackTip _value;
+
+  @override
+  Base64PackTip base64(String base64) => this(base64: base64);
+
+  @override
+  Base64PackTip position(PackTipPosition position) => this(position: position);
+
+  @override
+  Base64PackTip type(PackTipType type) => this(type: type);
+
+  @override
+  Base64PackTip bgColor(String? bgColor) => this(bgColor: bgColor);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `Base64PackTip(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// Base64PackTip(...).copyWith(id: 12, name: "My name")
+  /// ````
+  Base64PackTip call({
+    Object? base64 = const $CopyWithPlaceholder(),
+    Object? position = const $CopyWithPlaceholder(),
+    Object? type = const $CopyWithPlaceholder(),
+    Object? bgColor = const $CopyWithPlaceholder(),
+  }) {
+    return Base64PackTip(
+      base64 == const $CopyWithPlaceholder() || base64 == null
+          ? _value.base64
+          // ignore: cast_nullable_to_non_nullable
+          : base64 as String,
+      position: position == const $CopyWithPlaceholder() || position == null
+          ? _value.position
+          // ignore: cast_nullable_to_non_nullable
+          : position as PackTipPosition,
+      type: type == const $CopyWithPlaceholder() || type == null
+          ? _value.type
+          // ignore: cast_nullable_to_non_nullable
+          : type as PackTipType,
+      bgColor: bgColor == const $CopyWithPlaceholder()
+          ? _value.bgColor
+          // ignore: cast_nullable_to_non_nullable
+          : bgColor as String?,
+    );
+  }
+}
+
+extension $Base64PackTipCopyWith on Base64PackTip {
+  /// Returns a callable class that can be used as follows: `instanceOfBase64PackTip.copyWith(...)` or like so:`instanceOfBase64PackTip.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$Base64PackTipCWProxy get copyWith => _$Base64PackTipCWProxyImpl(this);
+}
+
+abstract class _$TextPackTipCWProxy {
+  TextPackTip text(String text);
+
+  TextPackTip position(PackTipPosition position);
+
+  TextPackTip type(PackTipType type);
+
+  TextPackTip bgColor(String? bgColor);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `TextPackTip(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// TextPackTip(...).copyWith(id: 12, name: "My name")
+  /// ````
+  TextPackTip call({
+    String? text,
+    PackTipPosition? position,
+    PackTipType? type,
+    String? bgColor,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfTextPackTip.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfTextPackTip.copyWith.fieldName(...)`
+class _$TextPackTipCWProxyImpl implements _$TextPackTipCWProxy {
+  const _$TextPackTipCWProxyImpl(this._value);
+
+  final TextPackTip _value;
+
+  @override
+  TextPackTip text(String text) => this(text: text);
+
+  @override
+  TextPackTip position(PackTipPosition position) => this(position: position);
+
+  @override
+  TextPackTip type(PackTipType type) => this(type: type);
+
+  @override
+  TextPackTip bgColor(String? bgColor) => this(bgColor: bgColor);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `TextPackTip(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// TextPackTip(...).copyWith(id: 12, name: "My name")
+  /// ````
+  TextPackTip call({
+    Object? text = const $CopyWithPlaceholder(),
+    Object? position = const $CopyWithPlaceholder(),
+    Object? type = const $CopyWithPlaceholder(),
+    Object? bgColor = const $CopyWithPlaceholder(),
+  }) {
+    return TextPackTip(
+      text == const $CopyWithPlaceholder() || text == null
+          ? _value.text
+          // ignore: cast_nullable_to_non_nullable
+          : text as String,
+      position: position == const $CopyWithPlaceholder() || position == null
+          ? _value.position
+          // ignore: cast_nullable_to_non_nullable
+          : position as PackTipPosition,
+      type: type == const $CopyWithPlaceholder() || type == null
+          ? _value.type
+          // ignore: cast_nullable_to_non_nullable
+          : type as PackTipType,
+      bgColor: bgColor == const $CopyWithPlaceholder()
+          ? _value.bgColor
+          // ignore: cast_nullable_to_non_nullable
+          : bgColor as String?,
+    );
+  }
+}
+
+extension $TextPackTipCopyWith on TextPackTip {
+  /// Returns a callable class that can be used as follows: `instanceOfTextPackTip.copyWith(...)` or like so:`instanceOfTextPackTip.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$TextPackTipCWProxy get copyWith => _$TextPackTipCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+PackTip _$PackTipFromJson(Map<String, dynamic> json) => PackTip(
+      type: $enumDecode(_$PackTipTypeEnumMap, json['type'],
+          unknownValue: PackTipType.unknown),
+      position: $enumDecode(_$PackTipPositionEnumMap, json['position']),
+      bgColor: json['bgColor'] as String?,
+    );
+
+Map<String, dynamic> _$PackTipToJson(PackTip instance) => <String, dynamic>{
+      'type': _$PackTipTypeEnumMap[instance.type]!,
+      'position': _$PackTipPositionEnumMap[instance.position]!,
+      'bgColor': instance.bgColor,
+    };
+
+const _$PackTipTypeEnumMap = {
+  PackTipType.asset: 'asset',
+  PackTipType.base64: 'base64',
+  PackTipType.text: 'text',
+  PackTipType.unknown: 'unknown',
+};
+
+const _$PackTipPositionEnumMap = {
+  PackTipPosition.topRight: 'topRight',
+  PackTipPosition.fullRight: 'fullRight',
+  PackTipPosition.bottomRight: 'bottomRight',
+  PackTipPosition.unknown: 'unknown',
+};
+
+AssetPackTip _$AssetPackTipFromJson(Map<String, dynamic> json) => AssetPackTip(
+      json['asset'] as String,
+      position:
+          $enumDecodeNullable(_$PackTipPositionEnumMap, json['position']) ??
+              PackTipPosition.fullRight,
+      type: $enumDecodeNullable(_$PackTipTypeEnumMap, json['type'],
+              unknownValue: PackTipType.unknown) ??
+          PackTipType.asset,
+      bgColor: json['bgColor'] as String? ?? null,
+    );
+
+Map<String, dynamic> _$AssetPackTipToJson(AssetPackTip instance) =>
+    <String, dynamic>{
+      'type': _$PackTipTypeEnumMap[instance.type]!,
+      'position': _$PackTipPositionEnumMap[instance.position]!,
+      'bgColor': instance.bgColor,
+      'asset': instance.asset,
+    };
+
+Base64PackTip _$Base64PackTipFromJson(Map<String, dynamic> json) =>
+    Base64PackTip(
+      json['base64'] as String,
+      position:
+          $enumDecodeNullable(_$PackTipPositionEnumMap, json['position']) ??
+              PackTipPosition.fullRight,
+      type: $enumDecodeNullable(_$PackTipTypeEnumMap, json['type'],
+              unknownValue: PackTipType.unknown) ??
+          PackTipType.base64,
+      bgColor: json['bgColor'] as String? ?? null,
+    );
+
+Map<String, dynamic> _$Base64PackTipToJson(Base64PackTip instance) =>
+    <String, dynamic>{
+      'type': _$PackTipTypeEnumMap[instance.type]!,
+      'position': _$PackTipPositionEnumMap[instance.position]!,
+      'bgColor': instance.bgColor,
+      'base64': instance.base64,
+    };
+
+TextPackTip _$TextPackTipFromJson(Map<String, dynamic> json) => TextPackTip(
+      json['text'] as String,
+      position:
+          $enumDecodeNullable(_$PackTipPositionEnumMap, json['position']) ??
+              PackTipPosition.fullRight,
+      type: $enumDecodeNullable(_$PackTipTypeEnumMap, json['type'],
+              unknownValue: PackTipType.unknown) ??
+          PackTipType.text,
+      bgColor: json['bgColor'] as String? ?? null,
+    );
+
+Map<String, dynamic> _$TextPackTipToJson(TextPackTip instance) =>
+    <String, dynamic>{
+      'type': _$PackTipTypeEnumMap[instance.type]!,
+      'position': _$PackTipPositionEnumMap[instance.position]!,
+      'bgColor': instance.bgColor,
+      'text': instance.text,
+    };

mnemo_cards_common/lib/src/dtos/payment/export.dart

@@ -0,0 +1,3 @@
+export 'payment_dto.dart';
+export 'product_type.dart';
+export 'yookassa_payment_dto.dart';

mnemo_cards_common/lib/src/dtos/payment/payment_dto.dart

@@ -0,0 +1,87 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'product_type.dart';
+
+part 'payment_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class PaymentDto {
+  final String amount;
+  final String currency;
+  final DateTime date;
+  @JsonKey(unknownEnumValue: PaymentStatus.unknown)
+  final PaymentStatus status;
+  @JsonKey(unknownEnumValue: PaymentSystem.unknown)
+  final PaymentSystem paymentSystem;
+  final String? externalToken;
+  final String? meta;
+
+  @deprecated
+  final List<String>? packs;
+  @deprecated
+  final bool? subscription;
+  final List<MnemoCardsProductDto> products;
+
+  const PaymentDto({
+    required this.amount,
+    required this.currency,
+    required this.status,
+    required this.paymentSystem,
+    required this.date,
+    required this.packs,
+    required this.subscription,
+    required this.products,
+    required this.externalToken,
+    required this.meta,
+  });
+
+  factory PaymentDto.fromJson(Map<String, dynamic> json) =>
+      _$PaymentDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$PaymentDtoToJson(this);
+}
+
+@JsonSerializable()
+@CopyWith()
+class MnemoCardsProductDto {
+  final String? id;
+
+  final MnemoCardsProductType type;
+
+  const MnemoCardsProductDto({
+    this.id,
+    this.type = MnemoCardsProductType.unknown,
+  });
+
+  factory MnemoCardsProductDto.fromJson(Map<String, dynamic> json) =>
+      _$MnemoCardsProductDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$MnemoCardsProductDtoToJson(this);
+}
+
+extension MnemoCardsProductExt on MnemoCardsProductDto {
+  MnemoCardsProductDto toProduct() => MnemoCardsProductDto(id: id, type: type);
+
+  bool productEquals(MnemoCardsProductDto? other) =>
+      other is MnemoCardsProductDto && other.id == id && other.type == type;
+}
+
+enum PaymentStatus {
+  created,
+  waiting,
+  succeeded,
+  canceled,
+  processed,
+  unknown,
+}
+
+enum PaymentSystem {
+  google,
+  apple,
+  rustore,
+  yookassa,
+  promoCode,
+  adView,
+  unknown,
+}

mnemo_cards_common/lib/src/dtos/payment/payment_dto.g.dart

@@ -0,0 +1,300 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'payment_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$PaymentDtoCWProxy {
+  PaymentDto amount(String amount);
+
+  PaymentDto currency(String currency);
+
+  PaymentDto status(PaymentStatus status);
+
+  PaymentDto paymentSystem(PaymentSystem paymentSystem);
+
+  PaymentDto date(DateTime date);
+
+  PaymentDto packs(List<String>? packs);
+
+  PaymentDto subscription(bool? subscription);
+
+  PaymentDto products(List<MnemoCardsProductDto> products);
+
+  PaymentDto externalToken(String? externalToken);
+
+  PaymentDto meta(String? meta);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `PaymentDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// PaymentDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  PaymentDto call({
+    String? amount,
+    String? currency,
+    PaymentStatus? status,
+    PaymentSystem? paymentSystem,
+    DateTime? date,
+    List<String>? packs,
+    bool? subscription,
+    List<MnemoCardsProductDto>? products,
+    String? externalToken,
+    String? meta,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfPaymentDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfPaymentDto.copyWith.fieldName(...)`
+class _$PaymentDtoCWProxyImpl implements _$PaymentDtoCWProxy {
+  const _$PaymentDtoCWProxyImpl(this._value);
+
+  final PaymentDto _value;
+
+  @override
+  PaymentDto amount(String amount) => this(amount: amount);
+
+  @override
+  PaymentDto currency(String currency) => this(currency: currency);
+
+  @override
+  PaymentDto status(PaymentStatus status) => this(status: status);
+
+  @override
+  PaymentDto paymentSystem(PaymentSystem paymentSystem) =>
+      this(paymentSystem: paymentSystem);
+
+  @override
+  PaymentDto date(DateTime date) => this(date: date);
+
+  @override
+  PaymentDto packs(List<String>? packs) => this(packs: packs);
+
+  @override
+  PaymentDto subscription(bool? subscription) =>
+      this(subscription: subscription);
+
+  @override
+  PaymentDto products(List<MnemoCardsProductDto> products) =>
+      this(products: products);
+
+  @override
+  PaymentDto externalToken(String? externalToken) =>
+      this(externalToken: externalToken);
+
+  @override
+  PaymentDto meta(String? meta) => this(meta: meta);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `PaymentDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// PaymentDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  PaymentDto call({
+    Object? amount = const $CopyWithPlaceholder(),
+    Object? currency = const $CopyWithPlaceholder(),
+    Object? status = const $CopyWithPlaceholder(),
+    Object? paymentSystem = const $CopyWithPlaceholder(),
+    Object? date = const $CopyWithPlaceholder(),
+    Object? packs = const $CopyWithPlaceholder(),
+    Object? subscription = const $CopyWithPlaceholder(),
+    Object? products = const $CopyWithPlaceholder(),
+    Object? externalToken = const $CopyWithPlaceholder(),
+    Object? meta = const $CopyWithPlaceholder(),
+  }) {
+    return PaymentDto(
+      amount: amount == const $CopyWithPlaceholder() || amount == null
+          ? _value.amount
+          // ignore: cast_nullable_to_non_nullable
+          : amount as String,
+      currency: currency == const $CopyWithPlaceholder() || currency == null
+          ? _value.currency
+          // ignore: cast_nullable_to_non_nullable
+          : currency as String,
+      status: status == const $CopyWithPlaceholder() || status == null
+          ? _value.status
+          // ignore: cast_nullable_to_non_nullable
+          : status as PaymentStatus,
+      paymentSystem:
+          paymentSystem == const $CopyWithPlaceholder() || paymentSystem == null
+              ? _value.paymentSystem
+              // ignore: cast_nullable_to_non_nullable
+              : paymentSystem as PaymentSystem,
+      date: date == const $CopyWithPlaceholder() || date == null
+          ? _value.date
+          // ignore: cast_nullable_to_non_nullable
+          : date as DateTime,
+      packs: packs == const $CopyWithPlaceholder()
+          ? _value.packs
+          // ignore: cast_nullable_to_non_nullable
+          : packs as List<String>?,
+      subscription: subscription == const $CopyWithPlaceholder()
+          ? _value.subscription
+          // ignore: cast_nullable_to_non_nullable
+          : subscription as bool?,
+      products: products == const $CopyWithPlaceholder() || products == null
+          ? _value.products
+          // ignore: cast_nullable_to_non_nullable
+          : products as List<MnemoCardsProductDto>,
+      externalToken: externalToken == const $CopyWithPlaceholder()
+          ? _value.externalToken
+          // ignore: cast_nullable_to_non_nullable
+          : externalToken as String?,
+      meta: meta == const $CopyWithPlaceholder()
+          ? _value.meta
+          // ignore: cast_nullable_to_non_nullable
+          : meta as String?,
+    );
+  }
+}
+
+extension $PaymentDtoCopyWith on PaymentDto {
+  /// Returns a callable class that can be used as follows: `instanceOfPaymentDto.copyWith(...)` or like so:`instanceOfPaymentDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$PaymentDtoCWProxy get copyWith => _$PaymentDtoCWProxyImpl(this);
+}
+
+abstract class _$MnemoCardsProductDtoCWProxy {
+  MnemoCardsProductDto id(String? id);
+
+  MnemoCardsProductDto type(MnemoCardsProductType type);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `MnemoCardsProductDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// MnemoCardsProductDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  MnemoCardsProductDto call({
+    String? id,
+    MnemoCardsProductType? type,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfMnemoCardsProductDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfMnemoCardsProductDto.copyWith.fieldName(...)`
+class _$MnemoCardsProductDtoCWProxyImpl
+    implements _$MnemoCardsProductDtoCWProxy {
+  const _$MnemoCardsProductDtoCWProxyImpl(this._value);
+
+  final MnemoCardsProductDto _value;
+
+  @override
+  MnemoCardsProductDto id(String? id) => this(id: id);
+
+  @override
+  MnemoCardsProductDto type(MnemoCardsProductType type) => this(type: type);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `MnemoCardsProductDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// MnemoCardsProductDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  MnemoCardsProductDto call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? type = const $CopyWithPlaceholder(),
+  }) {
+    return MnemoCardsProductDto(
+      id: id == const $CopyWithPlaceholder()
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String?,
+      type: type == const $CopyWithPlaceholder() || type == null
+          ? _value.type
+          // ignore: cast_nullable_to_non_nullable
+          : type as MnemoCardsProductType,
+    );
+  }
+}
+
+extension $MnemoCardsProductDtoCopyWith on MnemoCardsProductDto {
+  /// Returns a callable class that can be used as follows: `instanceOfMnemoCardsProductDto.copyWith(...)` or like so:`instanceOfMnemoCardsProductDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$MnemoCardsProductDtoCWProxy get copyWith =>
+      _$MnemoCardsProductDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+PaymentDto _$PaymentDtoFromJson(Map<String, dynamic> json) => PaymentDto(
+      amount: json['amount'] as String,
+      currency: json['currency'] as String,
+      status: $enumDecode(_$PaymentStatusEnumMap, json['status'],
+          unknownValue: PaymentStatus.unknown),
+      paymentSystem: $enumDecode(_$PaymentSystemEnumMap, json['paymentSystem'],
+          unknownValue: PaymentSystem.unknown),
+      date: DateTime.parse(json['date'] as String),
+      packs:
+          (json['packs'] as List<dynamic>?)?.map((e) => e as String).toList(),
+      subscription: json['subscription'] as bool?,
+      products: (json['products'] as List<dynamic>)
+          .map((e) => MnemoCardsProductDto.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      externalToken: json['externalToken'] as String?,
+      meta: json['meta'] as String?,
+    );
+
+Map<String, dynamic> _$PaymentDtoToJson(PaymentDto instance) =>
+    <String, dynamic>{
+      'amount': instance.amount,
+      'currency': instance.currency,
+      'date': instance.date.toIso8601String(),
+      'status': _$PaymentStatusEnumMap[instance.status]!,
+      'paymentSystem': _$PaymentSystemEnumMap[instance.paymentSystem]!,
+      'externalToken': instance.externalToken,
+      'meta': instance.meta,
+      'packs': instance.packs,
+      'subscription': instance.subscription,
+      'products': instance.products,
+    };
+
+const _$PaymentStatusEnumMap = {
+  PaymentStatus.created: 'created',
+  PaymentStatus.waiting: 'waiting',
+  PaymentStatus.succeeded: 'succeeded',
+  PaymentStatus.canceled: 'canceled',
+  PaymentStatus.processed: 'processed',
+  PaymentStatus.unknown: 'unknown',
+};
+
+const _$PaymentSystemEnumMap = {
+  PaymentSystem.google: 'google',
+  PaymentSystem.apple: 'apple',
+  PaymentSystem.rustore: 'rustore',
+  PaymentSystem.yookassa: 'yookassa',
+  PaymentSystem.promoCode: 'promoCode',
+  PaymentSystem.adView: 'adView',
+  PaymentSystem.unknown: 'unknown',
+};
+
+MnemoCardsProductDto _$MnemoCardsProductDtoFromJson(
+        Map<String, dynamic> json) =>
+    MnemoCardsProductDto(
+      id: json['id'] as String?,
+      type: $enumDecodeNullable(_$MnemoCardsProductTypeEnumMap, json['type']) ??
+          MnemoCardsProductType.unknown,
+    );
+
+Map<String, dynamic> _$MnemoCardsProductDtoToJson(
+        MnemoCardsProductDto instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'type': _$MnemoCardsProductTypeEnumMap[instance.type]!,
+    };
+
+const _$MnemoCardsProductTypeEnumMap = {
+  MnemoCardsProductType.pack: 'pack',
+  MnemoCardsProductType.subscription: 'subscription',
+  MnemoCardsProductType.discount: 'discount',
+  MnemoCardsProductType.game: 'game',
+  MnemoCardsProductType.unknown: 'unknown',
+};

mnemo_cards_common/lib/src/dtos/payment/product_type.dart

@@ -0,0 +1,22 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:mnemo_cards_common/mnemo_cards_common.dart';
+
+part 'product_type.g.dart';
+
+@JsonEnum(alwaysCreate: true)
+enum MnemoCardsProductType {
+  pack,
+  subscription,
+  discount,
+  game,
+  unknown;
+
+  factory MnemoCardsProductType.fromName(String name) =>
+      _$MnemoCardsProductTypeEnumMap.entries
+          .firstWhereOrNull((entry) => entry.value == name)
+          ?.key ??
+      MnemoCardsProductType.unknown;
+
+  static String toName(MnemoCardsProductType type) =>
+      _$MnemoCardsProductTypeEnumMap[type]!;
+}

mnemo_cards_common/lib/src/dtos/payment/product_type.g.dart

@@ -0,0 +1,15 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'product_type.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+const _$MnemoCardsProductTypeEnumMap = {
+  MnemoCardsProductType.pack: 'pack',
+  MnemoCardsProductType.subscription: 'subscription',
+  MnemoCardsProductType.discount: 'discount',
+  MnemoCardsProductType.game: 'game',
+  MnemoCardsProductType.unknown: 'unknown',
+};

mnemo_cards_common/lib/src/dtos/payment/yookassa_payment_dto.dart

@@ -0,0 +1,21 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+part 'yookassa_payment_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class YookassaPaymentDto {
+  final String purchaseUrl;
+  final String checkUrl;
+
+  YookassaPaymentDto({
+    required this.purchaseUrl,
+    required this.checkUrl,
+  });
+
+  factory YookassaPaymentDto.fromJson(Map<String, dynamic> json) =>
+      _$YookassaPaymentDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$YookassaPaymentDtoToJson(this);
+}

mnemo_cards_common/lib/src/dtos/payment/yookassa_payment_dto.g.dart

@@ -0,0 +1,86 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'yookassa_payment_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$YookassaPaymentDtoCWProxy {
+  YookassaPaymentDto purchaseUrl(String purchaseUrl);
+
+  YookassaPaymentDto checkUrl(String checkUrl);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `YookassaPaymentDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// YookassaPaymentDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  YookassaPaymentDto call({
+    String? purchaseUrl,
+    String? checkUrl,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfYookassaPaymentDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfYookassaPaymentDto.copyWith.fieldName(...)`
+class _$YookassaPaymentDtoCWProxyImpl implements _$YookassaPaymentDtoCWProxy {
+  const _$YookassaPaymentDtoCWProxyImpl(this._value);
+
+  final YookassaPaymentDto _value;
+
+  @override
+  YookassaPaymentDto purchaseUrl(String purchaseUrl) =>
+      this(purchaseUrl: purchaseUrl);
+
+  @override
+  YookassaPaymentDto checkUrl(String checkUrl) => this(checkUrl: checkUrl);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `YookassaPaymentDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// YookassaPaymentDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  YookassaPaymentDto call({
+    Object? purchaseUrl = const $CopyWithPlaceholder(),
+    Object? checkUrl = const $CopyWithPlaceholder(),
+  }) {
+    return YookassaPaymentDto(
+      purchaseUrl:
+          purchaseUrl == const $CopyWithPlaceholder() || purchaseUrl == null
+              ? _value.purchaseUrl
+              // ignore: cast_nullable_to_non_nullable
+              : purchaseUrl as String,
+      checkUrl: checkUrl == const $CopyWithPlaceholder() || checkUrl == null
+          ? _value.checkUrl
+          // ignore: cast_nullable_to_non_nullable
+          : checkUrl as String,
+    );
+  }
+}
+
+extension $YookassaPaymentDtoCopyWith on YookassaPaymentDto {
+  /// Returns a callable class that can be used as follows: `instanceOfYookassaPaymentDto.copyWith(...)` or like so:`instanceOfYookassaPaymentDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$YookassaPaymentDtoCWProxy get copyWith =>
+      _$YookassaPaymentDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+YookassaPaymentDto _$YookassaPaymentDtoFromJson(Map<String, dynamic> json) =>
+    YookassaPaymentDto(
+      purchaseUrl: json['purchaseUrl'] as String,
+      checkUrl: json['checkUrl'] as String,
+    );
+
+Map<String, dynamic> _$YookassaPaymentDtoToJson(YookassaPaymentDto instance) =>
+    <String, dynamic>{
+      'purchaseUrl': instance.purchaseUrl,
+      'checkUrl': instance.checkUrl,
+    };

mnemo_cards_common/lib/src/dtos/promo_codes/promo_codes_campaign_dto.dart

@@ -0,0 +1,51 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+import '../payment/payment_dto.dart';
+
+part 'promo_codes_campaign_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class PromoCodesCampaignDto {
+  final int? id;
+  final List<MnemoCardsProductDto> products;
+  final int activationsPerCode;
+  final int activationsPerUser;
+  final List<String>? promoCodes;
+  final List<String> tags;
+  final int generationSize;
+  final DateTime start;
+  final DateTime finish;
+  final PromoCodeCampaignStatus status;
+  final String? name;
+  final String template;
+
+  const PromoCodesCampaignDto({
+    required this.products,
+    required this.activationsPerCode,
+    required this.activationsPerUser,
+    required this.generationSize,
+    required this.start,
+    required this.finish,
+    required this.status,
+    required this.template,
+    required this.tags,
+    this.name,
+    this.id,
+    this.promoCodes,
+  });
+
+  factory PromoCodesCampaignDto.fromJson(Map<String, dynamic> json) =>
+      _$PromoCodesCampaignDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$PromoCodesCampaignDtoToJson(this);
+}
+
+enum PromoCodeCampaignStatus {
+  created,
+  preparing,
+  ready,
+  active,
+  disabled,
+}

mnemo_cards_common/lib/src/dtos/promo_codes/promo_codes_campaign_dto.g.dart

@@ -0,0 +1,238 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'promo_codes_campaign_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$PromoCodesCampaignDtoCWProxy {
+  PromoCodesCampaignDto products(List<MnemoCardsProductDto> products);
+
+  PromoCodesCampaignDto activationsPerCode(int activationsPerCode);
+
+  PromoCodesCampaignDto activationsPerUser(int activationsPerUser);
+
+  PromoCodesCampaignDto generationSize(int generationSize);
+
+  PromoCodesCampaignDto start(DateTime start);
+
+  PromoCodesCampaignDto finish(DateTime finish);
+
+  PromoCodesCampaignDto status(PromoCodeCampaignStatus status);
+
+  PromoCodesCampaignDto template(String template);
+
+  PromoCodesCampaignDto tags(List<String> tags);
+
+  PromoCodesCampaignDto name(String? name);
+
+  PromoCodesCampaignDto id(int? id);
+
+  PromoCodesCampaignDto promoCodes(List<String>? promoCodes);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `PromoCodesCampaignDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// PromoCodesCampaignDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  PromoCodesCampaignDto call({
+    List<MnemoCardsProductDto>? products,
+    int? activationsPerCode,
+    int? activationsPerUser,
+    int? generationSize,
+    DateTime? start,
+    DateTime? finish,
+    PromoCodeCampaignStatus? status,
+    String? template,
+    List<String>? tags,
+    String? name,
+    int? id,
+    List<String>? promoCodes,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfPromoCodesCampaignDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfPromoCodesCampaignDto.copyWith.fieldName(...)`
+class _$PromoCodesCampaignDtoCWProxyImpl
+    implements _$PromoCodesCampaignDtoCWProxy {
+  const _$PromoCodesCampaignDtoCWProxyImpl(this._value);
+
+  final PromoCodesCampaignDto _value;
+
+  @override
+  PromoCodesCampaignDto products(List<MnemoCardsProductDto> products) =>
+      this(products: products);
+
+  @override
+  PromoCodesCampaignDto activationsPerCode(int activationsPerCode) =>
+      this(activationsPerCode: activationsPerCode);
+
+  @override
+  PromoCodesCampaignDto activationsPerUser(int activationsPerUser) =>
+      this(activationsPerUser: activationsPerUser);
+
+  @override
+  PromoCodesCampaignDto generationSize(int generationSize) =>
+      this(generationSize: generationSize);
+
+  @override
+  PromoCodesCampaignDto start(DateTime start) => this(start: start);
+
+  @override
+  PromoCodesCampaignDto finish(DateTime finish) => this(finish: finish);
+
+  @override
+  PromoCodesCampaignDto status(PromoCodeCampaignStatus status) =>
+      this(status: status);
+
+  @override
+  PromoCodesCampaignDto template(String template) => this(template: template);
+
+  @override
+  PromoCodesCampaignDto tags(List<String> tags) => this(tags: tags);
+
+  @override
+  PromoCodesCampaignDto name(String? name) => this(name: name);
+
+  @override
+  PromoCodesCampaignDto id(int? id) => this(id: id);
+
+  @override
+  PromoCodesCampaignDto promoCodes(List<String>? promoCodes) =>
+      this(promoCodes: promoCodes);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `PromoCodesCampaignDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// PromoCodesCampaignDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  PromoCodesCampaignDto call({
+    Object? products = const $CopyWithPlaceholder(),
+    Object? activationsPerCode = const $CopyWithPlaceholder(),
+    Object? activationsPerUser = const $CopyWithPlaceholder(),
+    Object? generationSize = const $CopyWithPlaceholder(),
+    Object? start = const $CopyWithPlaceholder(),
+    Object? finish = const $CopyWithPlaceholder(),
+    Object? status = const $CopyWithPlaceholder(),
+    Object? template = const $CopyWithPlaceholder(),
+    Object? tags = const $CopyWithPlaceholder(),
+    Object? name = const $CopyWithPlaceholder(),
+    Object? id = const $CopyWithPlaceholder(),
+    Object? promoCodes = const $CopyWithPlaceholder(),
+  }) {
+    return PromoCodesCampaignDto(
+      products: products == const $CopyWithPlaceholder() || products == null
+          ? _value.products
+          // ignore: cast_nullable_to_non_nullable
+          : products as List<MnemoCardsProductDto>,
+      activationsPerCode: activationsPerCode == const $CopyWithPlaceholder() ||
+              activationsPerCode == null
+          ? _value.activationsPerCode
+          // ignore: cast_nullable_to_non_nullable
+          : activationsPerCode as int,
+      activationsPerUser: activationsPerUser == const $CopyWithPlaceholder() ||
+              activationsPerUser == null
+          ? _value.activationsPerUser
+          // ignore: cast_nullable_to_non_nullable
+          : activationsPerUser as int,
+      generationSize: generationSize == const $CopyWithPlaceholder() ||
+              generationSize == null
+          ? _value.generationSize
+          // ignore: cast_nullable_to_non_nullable
+          : generationSize as int,
+      start: start == const $CopyWithPlaceholder() || start == null
+          ? _value.start
+          // ignore: cast_nullable_to_non_nullable
+          : start as DateTime,
+      finish: finish == const $CopyWithPlaceholder() || finish == null
+          ? _value.finish
+          // ignore: cast_nullable_to_non_nullable
+          : finish as DateTime,
+      status: status == const $CopyWithPlaceholder() || status == null
+          ? _value.status
+          // ignore: cast_nullable_to_non_nullable
+          : status as PromoCodeCampaignStatus,
+      template: template == const $CopyWithPlaceholder() || template == null
+          ? _value.template
+          // ignore: cast_nullable_to_non_nullable
+          : template as String,
+      tags: tags == const $CopyWithPlaceholder() || tags == null
+          ? _value.tags
+          // ignore: cast_nullable_to_non_nullable
+          : tags as List<String>,
+      name: name == const $CopyWithPlaceholder()
+          ? _value.name
+          // ignore: cast_nullable_to_non_nullable
+          : name as String?,
+      id: id == const $CopyWithPlaceholder()
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as int?,
+      promoCodes: promoCodes == const $CopyWithPlaceholder()
+          ? _value.promoCodes
+          // ignore: cast_nullable_to_non_nullable
+          : promoCodes as List<String>?,
+    );
+  }
+}
+
+extension $PromoCodesCampaignDtoCopyWith on PromoCodesCampaignDto {
+  /// Returns a callable class that can be used as follows: `instanceOfPromoCodesCampaignDto.copyWith(...)` or like so:`instanceOfPromoCodesCampaignDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$PromoCodesCampaignDtoCWProxy get copyWith =>
+      _$PromoCodesCampaignDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+PromoCodesCampaignDto _$PromoCodesCampaignDtoFromJson(
+        Map<String, dynamic> json) =>
+    PromoCodesCampaignDto(
+      products: (json['products'] as List<dynamic>)
+          .map((e) => MnemoCardsProductDto.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      activationsPerCode: json['activationsPerCode'] as int,
+      activationsPerUser: json['activationsPerUser'] as int,
+      generationSize: json['generationSize'] as int,
+      start: DateTime.parse(json['start'] as String),
+      finish: DateTime.parse(json['finish'] as String),
+      status: $enumDecode(_$PromoCodeCampaignStatusEnumMap, json['status']),
+      template: json['template'] as String,
+      tags: (json['tags'] as List<dynamic>).map((e) => e as String).toList(),
+      name: json['name'] as String?,
+      id: json['id'] as int?,
+      promoCodes: (json['promoCodes'] as List<dynamic>?)
+          ?.map((e) => e as String)
+          .toList(),
+    );
+
+Map<String, dynamic> _$PromoCodesCampaignDtoToJson(
+        PromoCodesCampaignDto instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'products': instance.products,
+      'activationsPerCode': instance.activationsPerCode,
+      'activationsPerUser': instance.activationsPerUser,
+      'promoCodes': instance.promoCodes,
+      'tags': instance.tags,
+      'generationSize': instance.generationSize,
+      'start': instance.start.toIso8601String(),
+      'finish': instance.finish.toIso8601String(),
+      'status': _$PromoCodeCampaignStatusEnumMap[instance.status]!,
+      'name': instance.name,
+      'template': instance.template,
+    };
+
+const _$PromoCodeCampaignStatusEnumMap = {
+  PromoCodeCampaignStatus.created: 'created',
+  PromoCodeCampaignStatus.preparing: 'preparing',
+  PromoCodeCampaignStatus.ready: 'ready',
+  PromoCodeCampaignStatus.active: 'active',
+  PromoCodeCampaignStatus.disabled: 'disabled',
+};

mnemo_cards_common/lib/src/dtos/subscription/subscription_features.dart

@@ -0,0 +1,5 @@
+enum SubscriptionFeatureEnum {
+  ads,
+  packs,
+  unknown,
+}

mnemo_cards_common/lib/src/dtos/subscription/subscription_plan_admin_dto.dart

@@ -0,0 +1,39 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:mnemo_cards_common/mnemo_cards_common.dart';
+
+
+part 'subscription_plan_admin_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class SubscriptionPlanAdminDto implements MnemoCardsProductDto {
+  final String? id;
+  final SubscriptionPlanUIDto ui;
+  final String price;
+  final String currency;
+  final int durationDays;
+  final List<SubscriptionFeatureEnum> features;
+  final PaymentSystem paymentSystem;
+  final String? paymentId;
+
+  const SubscriptionPlanAdminDto({
+    this.id,
+    required this.ui,
+    required this.price,
+    required this.currency,
+    required this.durationDays,
+    required this.features,
+    required this.paymentSystem,
+    required this.paymentId,
+  });
+
+  factory SubscriptionPlanAdminDto.fromJson(Map<String, dynamic> json) =>
+      _$SubscriptionPlanAdminDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$SubscriptionPlanAdminDtoToJson(this);
+
+  @override
+  MnemoCardsProductType get type => MnemoCardsProductType.subscription;
+}
+

mnemo_cards_common/lib/src/dtos/subscription/subscription_plan_admin_dto.g.dart

@@ -0,0 +1,192 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'subscription_plan_admin_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$SubscriptionPlanAdminDtoCWProxy {
+  SubscriptionPlanAdminDto id(String? id);
+
+  SubscriptionPlanAdminDto ui(SubscriptionPlanUIDto ui);
+
+  SubscriptionPlanAdminDto price(String price);
+
+  SubscriptionPlanAdminDto currency(String currency);
+
+  SubscriptionPlanAdminDto durationDays(int durationDays);
+
+  SubscriptionPlanAdminDto features(List<SubscriptionFeatureEnum> features);
+
+  SubscriptionPlanAdminDto paymentSystem(PaymentSystem paymentSystem);
+
+  SubscriptionPlanAdminDto paymentId(String? paymentId);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `SubscriptionPlanAdminDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// SubscriptionPlanAdminDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  SubscriptionPlanAdminDto call({
+    String? id,
+    SubscriptionPlanUIDto? ui,
+    String? price,
+    String? currency,
+    int? durationDays,
+    List<SubscriptionFeatureEnum>? features,
+    PaymentSystem? paymentSystem,
+    String? paymentId,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfSubscriptionPlanAdminDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfSubscriptionPlanAdminDto.copyWith.fieldName(...)`
+class _$SubscriptionPlanAdminDtoCWProxyImpl
+    implements _$SubscriptionPlanAdminDtoCWProxy {
+  const _$SubscriptionPlanAdminDtoCWProxyImpl(this._value);
+
+  final SubscriptionPlanAdminDto _value;
+
+  @override
+  SubscriptionPlanAdminDto id(String? id) => this(id: id);
+
+  @override
+  SubscriptionPlanAdminDto ui(SubscriptionPlanUIDto ui) => this(ui: ui);
+
+  @override
+  SubscriptionPlanAdminDto price(String price) => this(price: price);
+
+  @override
+  SubscriptionPlanAdminDto currency(String currency) =>
+      this(currency: currency);
+
+  @override
+  SubscriptionPlanAdminDto durationDays(int durationDays) =>
+      this(durationDays: durationDays);
+
+  @override
+  SubscriptionPlanAdminDto features(List<SubscriptionFeatureEnum> features) =>
+      this(features: features);
+
+  @override
+  SubscriptionPlanAdminDto paymentSystem(PaymentSystem paymentSystem) =>
+      this(paymentSystem: paymentSystem);
+
+  @override
+  SubscriptionPlanAdminDto paymentId(String? paymentId) =>
+      this(paymentId: paymentId);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `SubscriptionPlanAdminDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// SubscriptionPlanAdminDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  SubscriptionPlanAdminDto call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? ui = const $CopyWithPlaceholder(),
+    Object? price = const $CopyWithPlaceholder(),
+    Object? currency = const $CopyWithPlaceholder(),
+    Object? durationDays = const $CopyWithPlaceholder(),
+    Object? features = const $CopyWithPlaceholder(),
+    Object? paymentSystem = const $CopyWithPlaceholder(),
+    Object? paymentId = const $CopyWithPlaceholder(),
+  }) {
+    return SubscriptionPlanAdminDto(
+      id: id == const $CopyWithPlaceholder()
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String?,
+      ui: ui == const $CopyWithPlaceholder() || ui == null
+          ? _value.ui
+          // ignore: cast_nullable_to_non_nullable
+          : ui as SubscriptionPlanUIDto,
+      price: price == const $CopyWithPlaceholder() || price == null
+          ? _value.price
+          // ignore: cast_nullable_to_non_nullable
+          : price as String,
+      currency: currency == const $CopyWithPlaceholder() || currency == null
+          ? _value.currency
+          // ignore: cast_nullable_to_non_nullable
+          : currency as String,
+      durationDays:
+          durationDays == const $CopyWithPlaceholder() || durationDays == null
+              ? _value.durationDays
+              // ignore: cast_nullable_to_non_nullable
+              : durationDays as int,
+      features: features == const $CopyWithPlaceholder() || features == null
+          ? _value.features
+          // ignore: cast_nullable_to_non_nullable
+          : features as List<SubscriptionFeatureEnum>,
+      paymentSystem:
+          paymentSystem == const $CopyWithPlaceholder() || paymentSystem == null
+              ? _value.paymentSystem
+              // ignore: cast_nullable_to_non_nullable
+              : paymentSystem as PaymentSystem,
+      paymentId: paymentId == const $CopyWithPlaceholder()
+          ? _value.paymentId
+          // ignore: cast_nullable_to_non_nullable
+          : paymentId as String?,
+    );
+  }
+}
+
+extension $SubscriptionPlanAdminDtoCopyWith on SubscriptionPlanAdminDto {
+  /// Returns a callable class that can be used as follows: `instanceOfSubscriptionPlanAdminDto.copyWith(...)` or like so:`instanceOfSubscriptionPlanAdminDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$SubscriptionPlanAdminDtoCWProxy get copyWith =>
+      _$SubscriptionPlanAdminDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+SubscriptionPlanAdminDto _$SubscriptionPlanAdminDtoFromJson(
+        Map<String, dynamic> json) =>
+    SubscriptionPlanAdminDto(
+      id: json['id'] as String?,
+      ui: SubscriptionPlanUIDto.fromJson(json['ui'] as Map<String, dynamic>),
+      price: json['price'] as String,
+      currency: json['currency'] as String,
+      durationDays: json['durationDays'] as int,
+      features: (json['features'] as List<dynamic>)
+          .map((e) => $enumDecode(_$SubscriptionFeatureEnumEnumMap, e))
+          .toList(),
+      paymentSystem: $enumDecode(_$PaymentSystemEnumMap, json['paymentSystem']),
+      paymentId: json['paymentId'] as String?,
+    );
+
+Map<String, dynamic> _$SubscriptionPlanAdminDtoToJson(
+        SubscriptionPlanAdminDto instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'ui': instance.ui,
+      'price': instance.price,
+      'currency': instance.currency,
+      'durationDays': instance.durationDays,
+      'features': instance.features
+          .map((e) => _$SubscriptionFeatureEnumEnumMap[e]!)
+          .toList(),
+      'paymentSystem': _$PaymentSystemEnumMap[instance.paymentSystem]!,
+      'paymentId': instance.paymentId,
+    };
+
+const _$SubscriptionFeatureEnumEnumMap = {
+  SubscriptionFeatureEnum.ads: 'ads',
+  SubscriptionFeatureEnum.packs: 'packs',
+  SubscriptionFeatureEnum.unknown: 'unknown',
+};
+
+const _$PaymentSystemEnumMap = {
+  PaymentSystem.google: 'google',
+  PaymentSystem.apple: 'apple',
+  PaymentSystem.rustore: 'rustore',
+  PaymentSystem.yookassa: 'yookassa',
+  PaymentSystem.promoCode: 'promoCode',
+  PaymentSystem.adView: 'adView',
+  PaymentSystem.unknown: 'unknown',
+};

mnemo_cards_common/lib/src/dtos/subscription/subscription_plan_dto.dart

@@ -0,0 +1,100 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:mnemo_cards_common/mnemo_cards_common.dart';
+
+
+part 'subscription_plan_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class SubscriptionDto {
+  final SubscriptionPageDto? page;
+  final bool isActive;
+  final DateTime? start;
+  final DateTime? finish;
+
+  SubscriptionDto({
+    required this.page,
+    required this.isActive,
+    required this.start,
+    required this.finish,
+  });
+
+  factory SubscriptionDto.fromJson(Map<String, dynamic> json) =>
+      _$SubscriptionDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$SubscriptionDtoToJson(this);
+}
+
+@JsonSerializable()
+@CopyWith()
+class SubscriptionPageDto {
+  final String title;
+  final List<Item> items;
+  final List<SubscriptionPlanDto> plans;
+
+  SubscriptionPageDto({
+    required this.title,
+    required this.items,
+    required this.plans,
+  });
+
+  factory SubscriptionPageDto.fromJson(Map<String, dynamic> json) =>
+      _$SubscriptionPageDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$SubscriptionPageDtoToJson(this);
+}
+
+@JsonSerializable()
+@CopyWith()
+class SubscriptionPlanDto implements MnemoCardsProductDto {
+  final String id;
+
+  final String? titleLead;
+  final String? title;
+
+  final String? subtitleCrossed;
+  final String? subtitle;
+
+  final String price;
+  final String? pricePerMonth;
+  final String currency;
+
+  final String? tip;
+  final String? tipColor;
+
+  final String? deeplink;
+
+  final List<SubscriptionFeatureEnum> features;
+
+  SubscriptionPlanDto({
+    required this.id,
+    required this.titleLead,
+    required this.title,
+    required this.subtitle,
+    required this.subtitleCrossed,
+    required this.price,
+    required this.pricePerMonth,
+    required this.currency,
+    required this.tip,
+    required this.tipColor,
+    required this.features,
+    required this.deeplink,
+  });
+
+  factory SubscriptionPlanDto.fromJson(Map<String, dynamic> json) =>
+      _$SubscriptionPlanDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$SubscriptionPlanDtoToJson(this);
+
+  @override
+  MnemoCardsProductType get type => MnemoCardsProductType.subscription;
+
+// String? get googlePlaySubscriptionId => paymentSystem == PaymentSystem.google
+//     ? paymentId?.split('|').firstOrNull
+//     : null;
+//
+// String? get googlePlayPlanId => paymentSystem == PaymentSystem.google
+//     ? paymentId?.split('|').lastOrNull
+//     : null;
+}

mnemo_cards_common/lib/src/dtos/subscription/subscription_plan_dto.g.dart

@@ -0,0 +1,425 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'subscription_plan_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$SubscriptionDtoCWProxy {
+  SubscriptionDto page(SubscriptionPageDto? page);
+
+  SubscriptionDto isActive(bool isActive);
+
+  SubscriptionDto start(DateTime? start);
+
+  SubscriptionDto finish(DateTime? finish);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `SubscriptionDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// SubscriptionDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  SubscriptionDto call({
+    SubscriptionPageDto? page,
+    bool? isActive,
+    DateTime? start,
+    DateTime? finish,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfSubscriptionDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfSubscriptionDto.copyWith.fieldName(...)`
+class _$SubscriptionDtoCWProxyImpl implements _$SubscriptionDtoCWProxy {
+  const _$SubscriptionDtoCWProxyImpl(this._value);
+
+  final SubscriptionDto _value;
+
+  @override
+  SubscriptionDto page(SubscriptionPageDto? page) => this(page: page);
+
+  @override
+  SubscriptionDto isActive(bool isActive) => this(isActive: isActive);
+
+  @override
+  SubscriptionDto start(DateTime? start) => this(start: start);
+
+  @override
+  SubscriptionDto finish(DateTime? finish) => this(finish: finish);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `SubscriptionDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// SubscriptionDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  SubscriptionDto call({
+    Object? page = const $CopyWithPlaceholder(),
+    Object? isActive = const $CopyWithPlaceholder(),
+    Object? start = const $CopyWithPlaceholder(),
+    Object? finish = const $CopyWithPlaceholder(),
+  }) {
+    return SubscriptionDto(
+      page: page == const $CopyWithPlaceholder()
+          ? _value.page
+          // ignore: cast_nullable_to_non_nullable
+          : page as SubscriptionPageDto?,
+      isActive: isActive == const $CopyWithPlaceholder() || isActive == null
+          ? _value.isActive
+          // ignore: cast_nullable_to_non_nullable
+          : isActive as bool,
+      start: start == const $CopyWithPlaceholder()
+          ? _value.start
+          // ignore: cast_nullable_to_non_nullable
+          : start as DateTime?,
+      finish: finish == const $CopyWithPlaceholder()
+          ? _value.finish
+          // ignore: cast_nullable_to_non_nullable
+          : finish as DateTime?,
+    );
+  }
+}
+
+extension $SubscriptionDtoCopyWith on SubscriptionDto {
+  /// Returns a callable class that can be used as follows: `instanceOfSubscriptionDto.copyWith(...)` or like so:`instanceOfSubscriptionDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$SubscriptionDtoCWProxy get copyWith => _$SubscriptionDtoCWProxyImpl(this);
+}
+
+abstract class _$SubscriptionPageDtoCWProxy {
+  SubscriptionPageDto title(String title);
+
+  SubscriptionPageDto items(List<Item> items);
+
+  SubscriptionPageDto plans(List<SubscriptionPlanDto> plans);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `SubscriptionPageDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// SubscriptionPageDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  SubscriptionPageDto call({
+    String? title,
+    List<Item>? items,
+    List<SubscriptionPlanDto>? plans,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfSubscriptionPageDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfSubscriptionPageDto.copyWith.fieldName(...)`
+class _$SubscriptionPageDtoCWProxyImpl implements _$SubscriptionPageDtoCWProxy {
+  const _$SubscriptionPageDtoCWProxyImpl(this._value);
+
+  final SubscriptionPageDto _value;
+
+  @override
+  SubscriptionPageDto title(String title) => this(title: title);
+
+  @override
+  SubscriptionPageDto items(List<Item> items) => this(items: items);
+
+  @override
+  SubscriptionPageDto plans(List<SubscriptionPlanDto> plans) =>
+      this(plans: plans);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `SubscriptionPageDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// SubscriptionPageDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  SubscriptionPageDto call({
+    Object? title = const $CopyWithPlaceholder(),
+    Object? items = const $CopyWithPlaceholder(),
+    Object? plans = const $CopyWithPlaceholder(),
+  }) {
+    return SubscriptionPageDto(
+      title: title == const $CopyWithPlaceholder() || title == null
+          ? _value.title
+          // ignore: cast_nullable_to_non_nullable
+          : title as String,
+      items: items == const $CopyWithPlaceholder() || items == null
+          ? _value.items
+          // ignore: cast_nullable_to_non_nullable
+          : items as List<Item>,
+      plans: plans == const $CopyWithPlaceholder() || plans == null
+          ? _value.plans
+          // ignore: cast_nullable_to_non_nullable
+          : plans as List<SubscriptionPlanDto>,
+    );
+  }
+}
+
+extension $SubscriptionPageDtoCopyWith on SubscriptionPageDto {
+  /// Returns a callable class that can be used as follows: `instanceOfSubscriptionPageDto.copyWith(...)` or like so:`instanceOfSubscriptionPageDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$SubscriptionPageDtoCWProxy get copyWith =>
+      _$SubscriptionPageDtoCWProxyImpl(this);
+}
+
+abstract class _$SubscriptionPlanDtoCWProxy {
+  SubscriptionPlanDto id(String id);
+
+  SubscriptionPlanDto titleLead(String? titleLead);
+
+  SubscriptionPlanDto title(String? title);
+
+  SubscriptionPlanDto subtitle(String? subtitle);
+
+  SubscriptionPlanDto subtitleCrossed(String? subtitleCrossed);
+
+  SubscriptionPlanDto price(String price);
+
+  SubscriptionPlanDto pricePerMonth(String? pricePerMonth);
+
+  SubscriptionPlanDto currency(String currency);
+
+  SubscriptionPlanDto tip(String? tip);
+
+  SubscriptionPlanDto tipColor(String? tipColor);
+
+  SubscriptionPlanDto features(List<SubscriptionFeatureEnum> features);
+
+  SubscriptionPlanDto deeplink(String? deeplink);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `SubscriptionPlanDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// SubscriptionPlanDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  SubscriptionPlanDto call({
+    String? id,
+    String? titleLead,
+    String? title,
+    String? subtitle,
+    String? subtitleCrossed,
+    String? price,
+    String? pricePerMonth,
+    String? currency,
+    String? tip,
+    String? tipColor,
+    List<SubscriptionFeatureEnum>? features,
+    String? deeplink,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfSubscriptionPlanDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfSubscriptionPlanDto.copyWith.fieldName(...)`
+class _$SubscriptionPlanDtoCWProxyImpl implements _$SubscriptionPlanDtoCWProxy {
+  const _$SubscriptionPlanDtoCWProxyImpl(this._value);
+
+  final SubscriptionPlanDto _value;
+
+  @override
+  SubscriptionPlanDto id(String id) => this(id: id);
+
+  @override
+  SubscriptionPlanDto titleLead(String? titleLead) =>
+      this(titleLead: titleLead);
+
+  @override
+  SubscriptionPlanDto title(String? title) => this(title: title);
+
+  @override
+  SubscriptionPlanDto subtitle(String? subtitle) => this(subtitle: subtitle);
+
+  @override
+  SubscriptionPlanDto subtitleCrossed(String? subtitleCrossed) =>
+      this(subtitleCrossed: subtitleCrossed);
+
+  @override
+  SubscriptionPlanDto price(String price) => this(price: price);
+
+  @override
+  SubscriptionPlanDto pricePerMonth(String? pricePerMonth) =>
+      this(pricePerMonth: pricePerMonth);
+
+  @override
+  SubscriptionPlanDto currency(String currency) => this(currency: currency);
+
+  @override
+  SubscriptionPlanDto tip(String? tip) => this(tip: tip);
+
+  @override
+  SubscriptionPlanDto tipColor(String? tipColor) => this(tipColor: tipColor);
+
+  @override
+  SubscriptionPlanDto features(List<SubscriptionFeatureEnum> features) =>
+      this(features: features);
+
+  @override
+  SubscriptionPlanDto deeplink(String? deeplink) => this(deeplink: deeplink);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `SubscriptionPlanDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// SubscriptionPlanDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  SubscriptionPlanDto call({
+    Object? id = const $CopyWithPlaceholder(),
+    Object? titleLead = const $CopyWithPlaceholder(),
+    Object? title = const $CopyWithPlaceholder(),
+    Object? subtitle = const $CopyWithPlaceholder(),
+    Object? subtitleCrossed = const $CopyWithPlaceholder(),
+    Object? price = const $CopyWithPlaceholder(),
+    Object? pricePerMonth = const $CopyWithPlaceholder(),
+    Object? currency = const $CopyWithPlaceholder(),
+    Object? tip = const $CopyWithPlaceholder(),
+    Object? tipColor = const $CopyWithPlaceholder(),
+    Object? features = const $CopyWithPlaceholder(),
+    Object? deeplink = const $CopyWithPlaceholder(),
+  }) {
+    return SubscriptionPlanDto(
+      id: id == const $CopyWithPlaceholder() || id == null
+          ? _value.id
+          // ignore: cast_nullable_to_non_nullable
+          : id as String,
+      titleLead: titleLead == const $CopyWithPlaceholder()
+          ? _value.titleLead
+          // ignore: cast_nullable_to_non_nullable
+          : titleLead as String?,
+      title: title == const $CopyWithPlaceholder()
+          ? _value.title
+          // ignore: cast_nullable_to_non_nullable
+          : title as String?,
+      subtitle: subtitle == const $CopyWithPlaceholder()
+          ? _value.subtitle
+          // ignore: cast_nullable_to_non_nullable
+          : subtitle as String?,
+      subtitleCrossed: subtitleCrossed == const $CopyWithPlaceholder()
+          ? _value.subtitleCrossed
+          // ignore: cast_nullable_to_non_nullable
+          : subtitleCrossed as String?,
+      price: price == const $CopyWithPlaceholder() || price == null
+          ? _value.price
+          // ignore: cast_nullable_to_non_nullable
+          : price as String,
+      pricePerMonth: pricePerMonth == const $CopyWithPlaceholder()
+          ? _value.pricePerMonth
+          // ignore: cast_nullable_to_non_nullable
+          : pricePerMonth as String?,
+      currency: currency == const $CopyWithPlaceholder() || currency == null
+          ? _value.currency
+          // ignore: cast_nullable_to_non_nullable
+          : currency as String,
+      tip: tip == const $CopyWithPlaceholder()
+          ? _value.tip
+          // ignore: cast_nullable_to_non_nullable
+          : tip as String?,
+      tipColor: tipColor == const $CopyWithPlaceholder()
+          ? _value.tipColor
+          // ignore: cast_nullable_to_non_nullable
+          : tipColor as String?,
+      features: features == const $CopyWithPlaceholder() || features == null
+          ? _value.features
+          // ignore: cast_nullable_to_non_nullable
+          : features as List<SubscriptionFeatureEnum>,
+      deeplink: deeplink == const $CopyWithPlaceholder()
+          ? _value.deeplink
+          // ignore: cast_nullable_to_non_nullable
+          : deeplink as String?,
+    );
+  }
+}
+
+extension $SubscriptionPlanDtoCopyWith on SubscriptionPlanDto {
+  /// Returns a callable class that can be used as follows: `instanceOfSubscriptionPlanDto.copyWith(...)` or like so:`instanceOfSubscriptionPlanDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$SubscriptionPlanDtoCWProxy get copyWith =>
+      _$SubscriptionPlanDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+SubscriptionDto _$SubscriptionDtoFromJson(Map<String, dynamic> json) =>
+    SubscriptionDto(
+      page: json['page'] == null
+          ? null
+          : SubscriptionPageDto.fromJson(json['page'] as Map<String, dynamic>),
+      isActive: json['isActive'] as bool,
+      start: json['start'] == null
+          ? null
+          : DateTime.parse(json['start'] as String),
+      finish: json['finish'] == null
+          ? null
+          : DateTime.parse(json['finish'] as String),
+    );
+
+Map<String, dynamic> _$SubscriptionDtoToJson(SubscriptionDto instance) =>
+    <String, dynamic>{
+      'page': instance.page,
+      'isActive': instance.isActive,
+      'start': instance.start?.toIso8601String(),
+      'finish': instance.finish?.toIso8601String(),
+    };
+
+SubscriptionPageDto _$SubscriptionPageDtoFromJson(Map<String, dynamic> json) =>
+    SubscriptionPageDto(
+      title: json['title'] as String,
+      items: (json['items'] as List<dynamic>)
+          .map((e) => Item.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      plans: (json['plans'] as List<dynamic>)
+          .map((e) => SubscriptionPlanDto.fromJson(e as Map<String, dynamic>))
+          .toList(),
+    );
+
+Map<String, dynamic> _$SubscriptionPageDtoToJson(
+        SubscriptionPageDto instance) =>
+    <String, dynamic>{
+      'title': instance.title,
+      'items': instance.items,
+      'plans': instance.plans,
+    };
+
+SubscriptionPlanDto _$SubscriptionPlanDtoFromJson(Map<String, dynamic> json) =>
+    SubscriptionPlanDto(
+      id: json['id'] as String,
+      titleLead: json['titleLead'] as String?,
+      title: json['title'] as String?,
+      subtitle: json['subtitle'] as String?,
+      subtitleCrossed: json['subtitleCrossed'] as String?,
+      price: json['price'] as String,
+      pricePerMonth: json['pricePerMonth'] as String?,
+      currency: json['currency'] as String,
+      tip: json['tip'] as String?,
+      tipColor: json['tipColor'] as String?,
+      features: (json['features'] as List<dynamic>)
+          .map((e) => $enumDecode(_$SubscriptionFeatureEnumEnumMap, e))
+          .toList(),
+      deeplink: json['deeplink'] as String?,
+    );
+
+Map<String, dynamic> _$SubscriptionPlanDtoToJson(
+        SubscriptionPlanDto instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'titleLead': instance.titleLead,
+      'title': instance.title,
+      'subtitleCrossed': instance.subtitleCrossed,
+      'subtitle': instance.subtitle,
+      'price': instance.price,
+      'pricePerMonth': instance.pricePerMonth,
+      'currency': instance.currency,
+      'tip': instance.tip,
+      'tipColor': instance.tipColor,
+      'deeplink': instance.deeplink,
+      'features': instance.features
+          .map((e) => _$SubscriptionFeatureEnumEnumMap[e]!)
+          .toList(),
+    };
+
+const _$SubscriptionFeatureEnumEnumMap = {
+  SubscriptionFeatureEnum.ads: 'ads',
+  SubscriptionFeatureEnum.packs: 'packs',
+  SubscriptionFeatureEnum.unknown: 'unknown',
+};

mnemo_cards_common/lib/src/dtos/subscription/subscription_plan_ui_dto.dart

@@ -0,0 +1,36 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+part 'subscription_plan_ui_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class SubscriptionPlanUIDto {
+  final String? titleLead;
+  final String? title;
+
+  final String? subtitleCrossed;
+  final String? subtitle;
+
+  final String? pricePerMonth;
+  final String? currency;
+
+  final String? tip;
+  final String? tipColor;
+
+  const SubscriptionPlanUIDto({
+    this.titleLead,
+    this.title,
+    this.subtitleCrossed,
+    this.subtitle,
+    this.pricePerMonth,
+    this.currency,
+    this.tip,
+    this.tipColor,
+  });
+
+  factory SubscriptionPlanUIDto.fromJson(Map<String, dynamic> json) =>
+      _$SubscriptionPlanUIDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$SubscriptionPlanUIDtoToJson(this);
+}

mnemo_cards_common/lib/src/dtos/subscription/subscription_plan_ui_dto.g.dart

@@ -0,0 +1,168 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'subscription_plan_ui_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$SubscriptionPlanUIDtoCWProxy {
+  SubscriptionPlanUIDto titleLead(String? titleLead);
+
+  SubscriptionPlanUIDto title(String? title);
+
+  SubscriptionPlanUIDto subtitleCrossed(String? subtitleCrossed);
+
+  SubscriptionPlanUIDto subtitle(String? subtitle);
+
+  SubscriptionPlanUIDto pricePerMonth(String? pricePerMonth);
+
+  SubscriptionPlanUIDto currency(String? currency);
+
+  SubscriptionPlanUIDto tip(String? tip);
+
+  SubscriptionPlanUIDto tipColor(String? tipColor);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `SubscriptionPlanUIDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// SubscriptionPlanUIDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  SubscriptionPlanUIDto call({
+    String? titleLead,
+    String? title,
+    String? subtitleCrossed,
+    String? subtitle,
+    String? pricePerMonth,
+    String? currency,
+    String? tip,
+    String? tipColor,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfSubscriptionPlanUIDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfSubscriptionPlanUIDto.copyWith.fieldName(...)`
+class _$SubscriptionPlanUIDtoCWProxyImpl
+    implements _$SubscriptionPlanUIDtoCWProxy {
+  const _$SubscriptionPlanUIDtoCWProxyImpl(this._value);
+
+  final SubscriptionPlanUIDto _value;
+
+  @override
+  SubscriptionPlanUIDto titleLead(String? titleLead) =>
+      this(titleLead: titleLead);
+
+  @override
+  SubscriptionPlanUIDto title(String? title) => this(title: title);
+
+  @override
+  SubscriptionPlanUIDto subtitleCrossed(String? subtitleCrossed) =>
+      this(subtitleCrossed: subtitleCrossed);
+
+  @override
+  SubscriptionPlanUIDto subtitle(String? subtitle) => this(subtitle: subtitle);
+
+  @override
+  SubscriptionPlanUIDto pricePerMonth(String? pricePerMonth) =>
+      this(pricePerMonth: pricePerMonth);
+
+  @override
+  SubscriptionPlanUIDto currency(String? currency) => this(currency: currency);
+
+  @override
+  SubscriptionPlanUIDto tip(String? tip) => this(tip: tip);
+
+  @override
+  SubscriptionPlanUIDto tipColor(String? tipColor) => this(tipColor: tipColor);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `SubscriptionPlanUIDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// SubscriptionPlanUIDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  SubscriptionPlanUIDto call({
+    Object? titleLead = const $CopyWithPlaceholder(),
+    Object? title = const $CopyWithPlaceholder(),
+    Object? subtitleCrossed = const $CopyWithPlaceholder(),
+    Object? subtitle = const $CopyWithPlaceholder(),
+    Object? pricePerMonth = const $CopyWithPlaceholder(),
+    Object? currency = const $CopyWithPlaceholder(),
+    Object? tip = const $CopyWithPlaceholder(),
+    Object? tipColor = const $CopyWithPlaceholder(),
+  }) {
+    return SubscriptionPlanUIDto(
+      titleLead: titleLead == const $CopyWithPlaceholder()
+          ? _value.titleLead
+          // ignore: cast_nullable_to_non_nullable
+          : titleLead as String?,
+      title: title == const $CopyWithPlaceholder()
+          ? _value.title
+          // ignore: cast_nullable_to_non_nullable
+          : title as String?,
+      subtitleCrossed: subtitleCrossed == const $CopyWithPlaceholder()
+          ? _value.subtitleCrossed
+          // ignore: cast_nullable_to_non_nullable
+          : subtitleCrossed as String?,
+      subtitle: subtitle == const $CopyWithPlaceholder()
+          ? _value.subtitle
+          // ignore: cast_nullable_to_non_nullable
+          : subtitle as String?,
+      pricePerMonth: pricePerMonth == const $CopyWithPlaceholder()
+          ? _value.pricePerMonth
+          // ignore: cast_nullable_to_non_nullable
+          : pricePerMonth as String?,
+      currency: currency == const $CopyWithPlaceholder()
+          ? _value.currency
+          // ignore: cast_nullable_to_non_nullable
+          : currency as String?,
+      tip: tip == const $CopyWithPlaceholder()
+          ? _value.tip
+          // ignore: cast_nullable_to_non_nullable
+          : tip as String?,
+      tipColor: tipColor == const $CopyWithPlaceholder()
+          ? _value.tipColor
+          // ignore: cast_nullable_to_non_nullable
+          : tipColor as String?,
+    );
+  }
+}
+
+extension $SubscriptionPlanUIDtoCopyWith on SubscriptionPlanUIDto {
+  /// Returns a callable class that can be used as follows: `instanceOfSubscriptionPlanUIDto.copyWith(...)` or like so:`instanceOfSubscriptionPlanUIDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$SubscriptionPlanUIDtoCWProxy get copyWith =>
+      _$SubscriptionPlanUIDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+SubscriptionPlanUIDto _$SubscriptionPlanUIDtoFromJson(
+        Map<String, dynamic> json) =>
+    SubscriptionPlanUIDto(
+      titleLead: json['titleLead'] as String?,
+      title: json['title'] as String?,
+      subtitleCrossed: json['subtitleCrossed'] as String?,
+      subtitle: json['subtitle'] as String?,
+      pricePerMonth: json['pricePerMonth'] as String?,
+      currency: json['currency'] as String?,
+      tip: json['tip'] as String?,
+      tipColor: json['tipColor'] as String?,
+    );
+
+Map<String, dynamic> _$SubscriptionPlanUIDtoToJson(
+        SubscriptionPlanUIDto instance) =>
+    <String, dynamic>{
+      'titleLead': instance.titleLead,
+      'title': instance.title,
+      'subtitleCrossed': instance.subtitleCrossed,
+      'subtitle': instance.subtitle,
+      'pricePerMonth': instance.pricePerMonth,
+      'currency': instance.currency,
+      'tip': instance.tip,
+      'tipColor': instance.tipColor,
+    };

mnemo_cards_common/lib/src/dtos/user/achievement_dto.dart

@@ -0,0 +1,366 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+part 'achievement_dto.g.dart';
+
+/// Achievement types available in the system
+enum AchievementType {
+  /// First steps achievements
+  firstWordLearned,
+  firstTestCompleted,
+  firstPackCompleted,
+
+  /// Streak achievements
+  streak3Days,
+  streak7Days,
+  streak30Days,
+  streak100Days,
+
+  /// Words mastery achievements
+  words10Learned,
+  words50Learned,
+  words100Learned,
+  words500Learned,
+  words1000Learned,
+
+  /// Test performance achievements
+  perfectTestScore,
+  speedLearner, // Complete pack in less than 1 day
+  dedicatedLearner, // Study time milestones
+
+  /// Time-based achievements
+  nightOwl, // Study after 10 PM
+  earlyBird, // Study before 6 AM
+
+  /// Special achievements
+  consistentLearner, // Study every day for a month
+  languageMaster, // Complete multiple packs
+}
+
+/// Achievement data structure
+@JsonSerializable()
+@CopyWith()
+class AchievementDto {
+  /// Unique achievement identifier
+  final String id;
+
+  /// Achievement title (localized)
+  final String title;
+
+  /// Achievement description (localized)
+  final String description;
+
+  /// URL to achievement icon/badge image
+  final String? iconUrl;
+
+  /// When this achievement was unlocked (null if locked)
+  final DateTime? unlockedAt;
+
+  /// Achievement type for categorization
+  final AchievementType type;
+
+  /// Progress towards unlocking (0.0 to 1.0 for locked achievements)
+  final double progress;
+
+  const AchievementDto({
+    required this.id,
+    required this.title,
+    required this.description,
+    this.iconUrl,
+    this.unlockedAt,
+    required this.type,
+    this.progress = 0.0,
+  });
+
+  factory AchievementDto.fromJson(Map<String, dynamic> json) =>
+      _$AchievementDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$AchievementDtoToJson(this);
+
+  /// Check if achievement is unlocked
+  bool get isUnlocked => unlockedAt != null;
+
+  /// Check if achievement is locked
+  bool get isLocked => unlockedAt == null;
+
+  /// Create achievement with current unlock time
+  AchievementDto unlock() => AchievementDto(
+        id: id,
+        title: title,
+        description: description,
+        iconUrl: iconUrl,
+        unlockedAt: DateTime.now(),
+        type: type,
+        progress: 1.0,
+      );
+
+  /// Update progress
+  AchievementDto updateProgress(double newProgress) => AchievementDto(
+        id: id,
+        title: title,
+        description: description,
+        iconUrl: iconUrl,
+        unlockedAt: unlockedAt,
+        type: type,
+        progress: newProgress.clamp(0.0, 1.0),
+      );
+
+  /// Get achievement category
+  String get category {
+    switch (type) {
+      case AchievementType.firstWordLearned:
+      case AchievementType.firstTestCompleted:
+      case AchievementType.firstPackCompleted:
+        return 'first_steps';
+
+      case AchievementType.streak3Days:
+      case AchievementType.streak7Days:
+      case AchievementType.streak30Days:
+      case AchievementType.streak100Days:
+        return 'streaks';
+
+      case AchievementType.words10Learned:
+      case AchievementType.words50Learned:
+      case AchievementType.words100Learned:
+      case AchievementType.words500Learned:
+      case AchievementType.words1000Learned:
+        return 'words_mastery';
+
+      case AchievementType.perfectTestScore:
+      case AchievementType.speedLearner:
+        return 'performance';
+
+      case AchievementType.dedicatedLearner:
+        return 'dedication';
+
+      case AchievementType.nightOwl:
+      case AchievementType.earlyBird:
+        return 'time_based';
+
+      case AchievementType.consistentLearner:
+      case AchievementType.languageMaster:
+        return 'special';
+    }
+  }
+
+  /// Get sort order within category
+  int get sortOrder {
+    switch (type) {
+      case AchievementType.firstWordLearned:
+        return 1;
+      case AchievementType.firstTestCompleted:
+        return 2;
+      case AchievementType.firstPackCompleted:
+        return 3;
+
+      case AchievementType.streak3Days:
+        return 1;
+      case AchievementType.streak7Days:
+        return 2;
+      case AchievementType.streak30Days:
+        return 3;
+      case AchievementType.streak100Days:
+        return 4;
+
+      case AchievementType.words10Learned:
+        return 1;
+      case AchievementType.words50Learned:
+        return 2;
+      case AchievementType.words100Learned:
+        return 3;
+      case AchievementType.words500Learned:
+        return 4;
+      case AchievementType.words1000Learned:
+        return 5;
+
+      case AchievementType.perfectTestScore:
+        return 1;
+      case AchievementType.speedLearner:
+        return 2;
+      case AchievementType.dedicatedLearner:
+        return 3;
+
+      case AchievementType.earlyBird:
+        return 1;
+      case AchievementType.nightOwl:
+        return 2;
+
+      case AchievementType.consistentLearner:
+        return 1;
+      case AchievementType.languageMaster:
+        return 2;
+    }
+  }
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is AchievementDto &&
+          runtimeType == other.runtimeType &&
+          id == other.id &&
+          title == other.title &&
+          description == other.description &&
+          iconUrl == other.iconUrl &&
+          unlockedAt == other.unlockedAt &&
+          type == other.type &&
+          progress == other.progress;
+
+  @override
+  int get hashCode =>
+      id.hashCode ^
+      title.hashCode ^
+      description.hashCode ^
+      iconUrl.hashCode ^
+      unlockedAt.hashCode ^
+      type.hashCode ^
+      progress.hashCode;
+
+  @override
+  String toString() =>
+      'AchievementDto(id: $id, title: $title, unlocked: $isUnlocked, progress: $progress)';
+}
+
+/// Predefined achievements configuration
+class AchievementDefinitions {
+  static const allAchievements = [
+    AchievementDto(
+      id: 'first_word',
+      title: 'First Word',
+      description: 'Learn your first word',
+      type: AchievementType.firstWordLearned,
+    ),
+    AchievementDto(
+      id: 'first_test',
+      title: 'First Test',
+      description: 'Complete your first test',
+      type: AchievementType.firstTestCompleted,
+    ),
+    AchievementDto(
+      id: 'first_pack',
+      title: 'First Pack',
+      description: 'Complete your first pack',
+      type: AchievementType.firstPackCompleted,
+    ),
+
+    AchievementDto(
+      id: 'streak_3',
+      title: '3-Day Streak',
+      description: 'Study for 3 consecutive days',
+      type: AchievementType.streak3Days,
+    ),
+    AchievementDto(
+      id: 'streak_7',
+      title: 'Week Warrior',
+      description: 'Study for 7 consecutive days',
+      type: AchievementType.streak7Days,
+    ),
+    AchievementDto(
+      id: 'streak_30',
+      title: 'Monthly Master',
+      description: 'Study for 30 consecutive days',
+      type: AchievementType.streak30Days,
+    ),
+    AchievementDto(
+      id: 'streak_100',
+      title: 'Century Champion',
+      description: 'Study for 100 consecutive days',
+      type: AchievementType.streak100Days,
+    ),
+
+    AchievementDto(
+      id: 'words_10',
+      title: 'Word Explorer',
+      description: 'Learn 10 words',
+      type: AchievementType.words10Learned,
+    ),
+    AchievementDto(
+      id: 'words_50',
+      title: 'Vocabulary Builder',
+      description: 'Learn 50 words',
+      type: AchievementType.words50Learned,
+    ),
+    AchievementDto(
+      id: 'words_100',
+      title: 'Language Learner',
+      description: 'Learn 100 words',
+      type: AchievementType.words100Learned,
+    ),
+    AchievementDto(
+      id: 'words_500',
+      title: 'Word Master',
+      description: 'Learn 500 words',
+      type: AchievementType.words500Learned,
+    ),
+    AchievementDto(
+      id: 'words_1000',
+      title: 'Vocabulary Expert',
+      description: 'Learn 1000 words',
+      type: AchievementType.words1000Learned,
+    ),
+
+    AchievementDto(
+      id: 'perfect_test',
+      title: 'Perfect Score',
+      description: 'Get 100% on a test',
+      type: AchievementType.perfectTestScore,
+    ),
+    AchievementDto(
+      id: 'speed_learner',
+      title: 'Speed Learner',
+      description: 'Complete a pack in less than 24 hours',
+      type: AchievementType.speedLearner,
+    ),
+    AchievementDto(
+      id: 'dedicated_learner',
+      title: 'Dedicated Learner',
+      description: 'Study for 100 hours total',
+      type: AchievementType.dedicatedLearner,
+    ),
+
+    AchievementDto(
+      id: 'early_bird',
+      title: 'Early Bird',
+      description: 'Study before 6 AM',
+      type: AchievementType.earlyBird,
+    ),
+    AchievementDto(
+      id: 'night_owl',
+      title: 'Night Owl',
+      description: 'Study after 10 PM',
+      type: AchievementType.nightOwl,
+    ),
+
+    AchievementDto(
+      id: 'consistent_learner',
+      title: 'Consistent Learner',
+      description: 'Study every day for 30 days',
+      type: AchievementType.consistentLearner,
+    ),
+    AchievementDto(
+      id: 'language_master',
+      title: 'Language Master',
+      description: 'Complete 10 packs',
+      type: AchievementType.languageMaster,
+    ),
+  ];
+
+  /// Get achievement definition by ID
+  static AchievementDto? getById(String id) {
+    return allAchievements.where((achievement) => achievement.id == id).firstOrNull;
+  }
+
+  /// Get achievements by category
+  static List<AchievementDto> getByCategory(String category) {
+    return allAchievements.where((achievement) => achievement.category == category).toList();
+  }
+}
+
+extension on Iterable<AchievementDto> {
+  AchievementDto? get firstOrNull {
+    try {
+      return first;
+    } catch (_) {
+      return null;
+    }
+  }
+}

mnemo_cards_common/lib/src/dtos/user/achievement_dto.g.dart

@@ -0,0 +1,53 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'achievement_dto.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+AchievementDto _$AchievementDtoFromJson(Map<String, dynamic> json) =>
+    AchievementDto(
+      id: json['id'] as String,
+      title: json['title'] as String,
+      description: json['description'] as String,
+      iconUrl: json['iconUrl'] as String?,
+      unlockedAt: json['unlockedAt'] == null
+          ? null
+          : DateTime.parse(json['unlockedAt'] as String),
+      type: $enumDecode(_$AchievementTypeEnumMap, json['type']),
+      progress: (json['progress'] as num?)?.toDouble() ?? 0.0,
+    );
+
+Map<String, dynamic> _$AchievementDtoToJson(AchievementDto instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'title': instance.title,
+      'description': instance.description,
+      'iconUrl': instance.iconUrl,
+      'unlockedAt': instance.unlockedAt?.toIso8601String(),
+      'type': _$AchievementTypeEnumMap[instance.type],
+      'progress': instance.progress,
+    };
+
+const _$AchievementTypeEnumMap = {
+  AchievementType.firstWordLearned: 'firstWordLearned',
+  AchievementType.firstTestCompleted: 'firstTestCompleted',
+  AchievementType.firstPackCompleted: 'firstPackCompleted',
+  AchievementType.streak3Days: 'streak3Days',
+  AchievementType.streak7Days: 'streak7Days',
+  AchievementType.streak30Days: 'streak30Days',
+  AchievementType.streak100Days: 'streak100Days',
+  AchievementType.words10Learned: 'words10Learned',
+  AchievementType.words50Learned: 'words50Learned',
+  AchievementType.words100Learned: 'words100Learned',
+  AchievementType.words500Learned: 'words500Learned',
+  AchievementType.words1000Learned: 'words1000Learned',
+  AchievementType.perfectTestScore: 'perfectTestScore',
+  AchievementType.speedLearner: 'speedLearner',
+  AchievementType.dedicatedLearner: 'dedicatedLearner',
+  AchievementType.nightOwl: 'nightOwl',
+  AchievementType.earlyBird: 'earlyBird',
+  AchievementType.consistentLearner: 'consistentLearner',
+  AchievementType.languageMaster: 'languageMaster',
+};

mnemo_cards_common/lib/src/dtos/user/data/all_tests_statistics_dto.dart

@@ -0,0 +1,48 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:mnemo_cards_common/mnemo_cards_common.dart';
+
+part 'all_tests_statistics_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class AllTestsStatisticsDto {
+  final Map<int, TestStatisticsDto> tests;
+  final String? lastSessionToken;
+
+  AllTestsStatisticsDto({
+    required this.tests,
+    required this.lastSessionToken,
+  });
+
+  AllTestsStatisticsDto.empty()
+      : tests = const {},
+        lastSessionToken = null;
+
+  factory AllTestsStatisticsDto.fromJson(Map<String, dynamic> json) =>
+      _$AllTestsStatisticsDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$AllTestsStatisticsDtoToJson(this);
+
+  AllTestsStatisticsDto add(TestStatisticsDto testStat) {
+    return copyWith(
+      tests: Map.from(tests)..[testStat.testId] = testStat,
+      lastSessionToken: testStat.sessionToken,
+    );
+  }
+
+  // AllTestsStatisticsDto merge(
+  //   AllTestsStatisticsDto other,
+  //   String? sessionKey,
+  // ) {
+  //   final updatedTests = Map.of(tests);
+  //   for (final entry in other.tests.entries) {
+  //     updatedTests[entry.key] =
+  //         tests[entry.key]?.merge(entry.value) ?? entry.value;
+  //   }
+  //   return copyWith(
+  //     tests: updatedTests,
+  //     lastSessionToken: sessionKey,
+  //   );
+  // }
+}

mnemo_cards_common/lib/src/dtos/user/data/all_tests_statistics_dto.g.dart

@@ -0,0 +1,92 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'all_tests_statistics_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$AllTestsStatisticsDtoCWProxy {
+  AllTestsStatisticsDto tests(Map<int, TestStatisticsDto> tests);
+
+  AllTestsStatisticsDto lastSessionToken(String? lastSessionToken);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `AllTestsStatisticsDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// AllTestsStatisticsDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  AllTestsStatisticsDto call({
+    Map<int, TestStatisticsDto>? tests,
+    String? lastSessionToken,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfAllTestsStatisticsDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfAllTestsStatisticsDto.copyWith.fieldName(...)`
+class _$AllTestsStatisticsDtoCWProxyImpl
+    implements _$AllTestsStatisticsDtoCWProxy {
+  const _$AllTestsStatisticsDtoCWProxyImpl(this._value);
+
+  final AllTestsStatisticsDto _value;
+
+  @override
+  AllTestsStatisticsDto tests(Map<int, TestStatisticsDto> tests) =>
+      this(tests: tests);
+
+  @override
+  AllTestsStatisticsDto lastSessionToken(String? lastSessionToken) =>
+      this(lastSessionToken: lastSessionToken);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `AllTestsStatisticsDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// AllTestsStatisticsDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  AllTestsStatisticsDto call({
+    Object? tests = const $CopyWithPlaceholder(),
+    Object? lastSessionToken = const $CopyWithPlaceholder(),
+  }) {
+    return AllTestsStatisticsDto(
+      tests: tests == const $CopyWithPlaceholder() || tests == null
+          ? _value.tests
+          // ignore: cast_nullable_to_non_nullable
+          : tests as Map<int, TestStatisticsDto>,
+      lastSessionToken: lastSessionToken == const $CopyWithPlaceholder()
+          ? _value.lastSessionToken
+          // ignore: cast_nullable_to_non_nullable
+          : lastSessionToken as String?,
+    );
+  }
+}
+
+extension $AllTestsStatisticsDtoCopyWith on AllTestsStatisticsDto {
+  /// Returns a callable class that can be used as follows: `instanceOfAllTestsStatisticsDto.copyWith(...)` or like so:`instanceOfAllTestsStatisticsDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$AllTestsStatisticsDtoCWProxy get copyWith =>
+      _$AllTestsStatisticsDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+AllTestsStatisticsDto _$AllTestsStatisticsDtoFromJson(
+        Map<String, dynamic> json) =>
+    AllTestsStatisticsDto(
+      tests: (json['tests'] as Map<String, dynamic>).map(
+        (k, e) => MapEntry(int.parse(k),
+            TestStatisticsDto.fromJson(e as Map<String, dynamic>)),
+      ),
+      lastSessionToken: json['lastSessionToken'] as String?,
+    );
+
+Map<String, dynamic> _$AllTestsStatisticsDtoToJson(
+        AllTestsStatisticsDto instance) =>
+    <String, dynamic>{
+      'tests': instance.tests.map((k, e) => MapEntry(k.toString(), e)),
+      'lastSessionToken': instance.lastSessionToken,
+    };

mnemo_cards_common/lib/src/dtos/user/data/all_words_statistics_dto.dart

@@ -0,0 +1,59 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:mnemo_cards_common/mnemo_cards_common.dart';
+import 'package:mnemo_cards_common/src/utils/word_statistics.dart';
+import 'package:collection/collection.dart';
+
+part 'all_words_statistics_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class AllWordsStatisticsDto {
+  // final Map<String, WordStatisticsDto> words;
+  final List<WordStatisticsDto> words;
+
+  AllWordsStatisticsDto({
+    this.words = const [],
+  });
+
+  double get correct => words.correct;
+
+  double get incorrect => words.incorrect;
+
+  double get skipped => words.skipped;
+
+  double get total => words.fold(
+        0.0,
+        (s, v) => s + v.skipped + v.correct + v.incorrect,
+      );
+
+  AllWordsStatisticsDto.empty() : words = const [];
+
+  factory AllWordsStatisticsDto.fromJson(Map<String, dynamic> json) =>
+      _$AllWordsStatisticsDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$AllWordsStatisticsDtoToJson(this);
+
+  @override
+  int get hashCode => words.hashCode;
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+
+    return other is AllWordsStatisticsDto &&
+        const ListEquality().equals(other.words, words);
+  }
+
+// AllWordsStatisticsDto merge(AllWordsStatisticsDto? other) {
+//   if (other == null) {
+//     return copyWith();
+//   }
+//   final updatedWords = Map.of(words);
+//   for (final entry in other.words.entries) {
+//     updatedWords[entry.key] =
+//         words[entry.key]?.merge(entry.value) ?? entry.value;
+//   }
+//   return copyWith.words(updatedWords);
+// }
+}

mnemo_cards_common/lib/src/dtos/user/data/all_words_statistics_dto.g.dart

@@ -0,0 +1,79 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'all_words_statistics_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$AllWordsStatisticsDtoCWProxy {
+  AllWordsStatisticsDto words(List<WordStatisticsDto> words);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `AllWordsStatisticsDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// AllWordsStatisticsDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  AllWordsStatisticsDto call({
+    List<WordStatisticsDto>? words,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfAllWordsStatisticsDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfAllWordsStatisticsDto.copyWith.fieldName(...)`
+class _$AllWordsStatisticsDtoCWProxyImpl
+    implements _$AllWordsStatisticsDtoCWProxy {
+  const _$AllWordsStatisticsDtoCWProxyImpl(this._value);
+
+  final AllWordsStatisticsDto _value;
+
+  @override
+  AllWordsStatisticsDto words(List<WordStatisticsDto> words) =>
+      this(words: words);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `AllWordsStatisticsDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// AllWordsStatisticsDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  AllWordsStatisticsDto call({
+    Object? words = const $CopyWithPlaceholder(),
+  }) {
+    return AllWordsStatisticsDto(
+      words: words == const $CopyWithPlaceholder() || words == null
+          ? _value.words
+          // ignore: cast_nullable_to_non_nullable
+          : words as List<WordStatisticsDto>,
+    );
+  }
+}
+
+extension $AllWordsStatisticsDtoCopyWith on AllWordsStatisticsDto {
+  /// Returns a callable class that can be used as follows: `instanceOfAllWordsStatisticsDto.copyWith(...)` or like so:`instanceOfAllWordsStatisticsDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$AllWordsStatisticsDtoCWProxy get copyWith =>
+      _$AllWordsStatisticsDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+AllWordsStatisticsDto _$AllWordsStatisticsDtoFromJson(
+        Map<String, dynamic> json) =>
+    AllWordsStatisticsDto(
+      words: (json['words'] as List<dynamic>?)
+              ?.map(
+                  (e) => WordStatisticsDto.fromJson(e as Map<String, dynamic>))
+              .toList() ??
+          const [],
+    );
+
+Map<String, dynamic> _$AllWordsStatisticsDtoToJson(
+        AllWordsStatisticsDto instance) =>
+    <String, dynamic>{
+      'words': instance.words,
+    };

mnemo_cards_common/lib/src/dtos/user/data/detailed_word_statistics_dto.dart

@@ -0,0 +1,339 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:collection/collection.dart';
+import 'package:mnemo_cards_common/mnemo_cards_common.dart';
+
+part 'detailed_word_statistics_dto.g.dart';
+
+/// Extended word statistics with additional tracking data
+@JsonSerializable()
+@CopyWith()
+class DetailedWordStatisticsDto extends WordStatisticsDto {
+  /// When this word was last reviewed
+  final DateTime? lastReviewed;
+
+  /// When this word was first learned
+  final DateTime? firstLearned;
+
+  /// Recent attempts (last 10, for trend analysis)
+  final List<WordAttemptDto> recentAttempts;
+
+  /// Difficulty score (0.0 = easy, 1.0 = hard, based on incorrect/correct ratio)
+  final double difficultyScore;
+
+  /// Whether this word needs review (based on performance and time since last review)
+  final bool needsReview;
+
+  /// Which pack this word belongs to
+  final String? packId;
+
+  DetailedWordStatisticsDto({
+    required String word,
+    double correct = 0,
+    double incorrect = 0,
+    double skipped = 0,
+    Set<TestQuestionType> questionTypes = const {},
+    this.lastReviewed,
+    this.firstLearned,
+    this.recentAttempts = const [],
+    this.difficultyScore = 0.0,
+    this.needsReview = false,
+    this.packId,
+  }) : super(
+          word: word,
+          correct: correct,
+          incorrect: incorrect,
+          skipped: skipped,
+          questionTypes: questionTypes,
+        );
+
+  factory DetailedWordStatisticsDto.fromJson(Map<String, dynamic> json) =>
+      _$DetailedWordStatisticsDtoFromJson(json);
+
+  @override
+  Map<String, Object?> toJson() => _$DetailedWordStatisticsDtoToJson(this);
+
+  /// Create from base WordStatisticsDto
+  factory DetailedWordStatisticsDto.fromWordStatisticsDto(
+    WordStatisticsDto base, {
+    DateTime? lastReviewed,
+    DateTime? firstLearned,
+    List<WordAttemptDto>? recentAttempts,
+    double? difficultyScore,
+    bool? needsReview,
+    String? packId,
+  }) =>
+      DetailedWordStatisticsDto(
+        word: base.word,
+        correct: base.correct,
+        incorrect: base.incorrect,
+        skipped: base.skipped,
+        questionTypes: base.questionTypes,
+        lastReviewed: lastReviewed,
+        firstLearned: firstLearned,
+        recentAttempts: recentAttempts ?? [],
+        difficultyScore: difficultyScore ?? _calculateDifficultyScore(base),
+        needsReview: needsReview ?? false,
+        packId: packId,
+      );
+
+  /// Calculate difficulty score from basic statistics
+  static double _calculateDifficultyScore(WordStatisticsDto stats) {
+    final total = stats.total;
+    if (total == 0) return 0.0;
+
+    // Difficulty based on incorrect ratio
+    final incorrectRatio = stats.incorrect / total;
+
+    // Also consider if word has many skips
+    final skipRatio = stats.skipped / total;
+
+    // Weighted formula
+    return (incorrectRatio * 0.7 + skipRatio * 0.3).clamp(0.0, 1.0);
+  }
+
+  /// Update statistics with new attempt
+  DetailedWordStatisticsDto addAttempt({
+    required bool wasCorrect,
+    required TestQuestionType questionType,
+    DateTime? timestamp,
+    String? packId,
+  }) {
+    final now = timestamp ?? DateTime.now();
+
+    final newCorrect = wasCorrect ? correct + 1 : correct;
+    final newIncorrect = wasCorrect ? incorrect : incorrect + 1;
+
+    final newQuestionTypes = {...questionTypes, questionType};
+
+    final newRecentAttempts = [
+      WordAttemptDto(
+        timestamp: now,
+        wasCorrect: wasCorrect,
+        questionType: questionType,
+      ),
+      ...recentAttempts.take(9), // Keep only last 10
+    ];
+
+    final newDifficultyScore = _calculateDifficultyScore(
+      WordStatisticsDto(
+        word: word,
+        correct: newCorrect,
+        incorrect: newIncorrect,
+        skipped: skipped,
+        questionTypes: newQuestionTypes,
+      ),
+    );
+
+    // Word needs review if:
+    // - Difficulty score > 0.5, OR
+    // - Last reviewed more than 7 days ago and has errors, OR
+    // - Never reviewed but has attempts
+    final daysSinceLastReview = lastReviewed != null
+        ? now.difference(lastReviewed!).inDays
+        : null;
+
+    final needsReviewNow =
+        newDifficultyScore > 0.5 ||
+        (daysSinceLastReview != null &&
+         daysSinceLastReview > 7 &&
+         (newIncorrect > 0 || newRecentAttempts.where((a) => !a.wasCorrect).length > 2));
+
+    return DetailedWordStatisticsDto(
+      word: word,
+      correct: newCorrect,
+      incorrect: newIncorrect,
+      skipped: skipped,
+      questionTypes: newQuestionTypes,
+      lastReviewed: now,
+      firstLearned: firstLearned ?? now,
+      recentAttempts: newRecentAttempts,
+      difficultyScore: newDifficultyScore,
+      needsReview: needsReviewNow,
+      packId: packId ?? this.packId,
+    );
+  }
+
+  /// Mark word as skipped
+  DetailedWordStatisticsDto addSkip({
+    required TestQuestionType questionType,
+    DateTime? timestamp,
+    String? packId,
+  }) {
+    final now = timestamp ?? DateTime.now();
+
+    final newQuestionTypes = {...questionTypes, questionType};
+
+    final newRecentAttempts = [
+      WordAttemptDto(
+        timestamp: now,
+        wasCorrect: false,
+        questionType: questionType,
+        wasSkipped: true,
+      ),
+      ...recentAttempts.take(9),
+    ];
+
+    final newDifficultyScore = _calculateDifficultyScore(
+      WordStatisticsDto(
+        word: word,
+        correct: correct,
+        incorrect: incorrect,
+        skipped: skipped + 1,
+        questionTypes: newQuestionTypes,
+      ),
+    );
+
+    return DetailedWordStatisticsDto(
+      word: word,
+      correct: correct,
+      incorrect: incorrect,
+      skipped: skipped + 1,
+      questionTypes: newQuestionTypes,
+      lastReviewed: now,
+      firstLearned: firstLearned ?? now,
+      recentAttempts: newRecentAttempts,
+      difficultyScore: newDifficultyScore,
+      needsReview: needsReview,
+      packId: packId ?? this.packId,
+    );
+  }
+
+  /// Get recent performance trend (last 5 attempts)
+  PerformanceTrend get performanceTrend {
+    if (recentAttempts.length < 3) return PerformanceTrend.insufficientData;
+
+    final last5 = recentAttempts.take(5);
+    final correctCount = last5.where((a) => a.wasCorrect).length;
+    final accuracy = correctCount / last5.length;
+
+    if (accuracy >= 0.8) return PerformanceTrend.improving;
+    if (accuracy <= 0.4) return PerformanceTrend.declining;
+    return PerformanceTrend.stable;
+  }
+
+  /// Check if word should be prioritized for review
+  bool get shouldPrioritize {
+    return needsReview ||
+           difficultyScore > 0.6 ||
+           (performanceTrend == PerformanceTrend.declining);
+  }
+
+  /// Get days since last review
+  int? get daysSinceLastReview {
+    if (lastReviewed == null) return null;
+    return DateTime.now().difference(lastReviewed!).inDays;
+  }
+
+  /// Get total review count
+  int get reviewCount => recentAttempts.length;
+
+  /// Get accuracy from recent attempts
+  double get recentAccuracy {
+    if (recentAttempts.isEmpty) return 0.0;
+    final correctCount = recentAttempts.where((a) => a.wasCorrect).length;
+    return correctCount / recentAttempts.length;
+  }
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is DetailedWordStatisticsDto &&
+          runtimeType == other.runtimeType &&
+          word == other.word &&
+          correct == other.correct &&
+          incorrect == other.incorrect &&
+          skipped == other.skipped &&
+          const SetEquality().equals(questionTypes, other.questionTypes) &&
+          lastReviewed == other.lastReviewed &&
+          firstLearned == other.firstLearned &&
+          _listEquals(recentAttempts, other.recentAttempts) &&
+          difficultyScore == other.difficultyScore &&
+          needsReview == other.needsReview &&
+          packId == other.packId;
+
+  @override
+  int get hashCode =>
+      word.hashCode ^
+      correct.hashCode ^
+      incorrect.hashCode ^
+      skipped.hashCode ^
+      questionTypes.hashCode ^
+      lastReviewed.hashCode ^
+      firstLearned.hashCode ^
+      recentAttempts.hashCode ^
+      difficultyScore.hashCode ^
+      needsReview.hashCode ^
+      packId.hashCode;
+
+  @override
+  String toString() =>
+      'DetailedWordStatisticsDto(word: $word, accuracy: ${(correct / total * 100).toStringAsFixed(1)}%, difficulty: ${difficultyScore.toStringAsFixed(2)}, needsReview: $needsReview)';
+}
+
+/// Individual word attempt data
+@JsonSerializable()
+@CopyWith()
+class WordAttemptDto {
+  /// When the attempt happened
+  final DateTime timestamp;
+
+  /// Whether the answer was correct
+  final bool wasCorrect;
+
+  /// Type of question asked
+  final TestQuestionType questionType;
+
+  /// Whether the question was skipped
+  final bool wasSkipped;
+
+  const WordAttemptDto({
+    required this.timestamp,
+    required this.wasCorrect,
+    required this.questionType,
+    this.wasSkipped = false,
+  });
+
+  factory WordAttemptDto.fromJson(Map<String, dynamic> json) =>
+      _$WordAttemptDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$WordAttemptDtoToJson(this);
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is WordAttemptDto &&
+          runtimeType == other.runtimeType &&
+          timestamp == other.timestamp &&
+          wasCorrect == other.wasCorrect &&
+          questionType == other.questionType &&
+          wasSkipped == other.wasSkipped;
+
+  @override
+  int get hashCode =>
+      timestamp.hashCode ^
+      wasCorrect.hashCode ^
+      questionType.hashCode ^
+      wasSkipped.hashCode;
+
+  @override
+  String toString() =>
+      'WordAttemptDto(timestamp: $timestamp, correct: $wasCorrect, type: $questionType, skipped: $wasSkipped)';
+}
+
+/// Performance trend analysis
+enum PerformanceTrend {
+  improving,
+  stable,
+  declining,
+  insufficientData,
+}
+
+
+bool _listEquals(List<WordAttemptDto> a, List<WordAttemptDto> b) {
+  if (a.length != b.length) return false;
+  for (int i = 0; i < a.length; i++) {
+    if (a[i] != b[i]) return false;
+  }
+  return true;
+}

mnemo_cards_common/lib/src/dtos/user/data/detailed_word_statistics_dto.g.dart

@@ -0,0 +1,75 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'detailed_word_statistics_dto.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+DetailedWordStatisticsDto _$DetailedWordStatisticsDtoFromJson(
+        Map<String, dynamic> json) =>
+    DetailedWordStatisticsDto(
+      word: json['word'] as String,
+      correct: (json['correct'] as num).toDouble(),
+      incorrect: (json['incorrect'] as num).toDouble(),
+      skipped: (json['skipped'] as num).toDouble(),
+      questionTypes: (json['questionTypes'] as List<dynamic>?)
+              ?.map((e) => $enumDecode(_$TestQuestionTypeEnumMap, e))
+              .toSet() ??
+          {},
+      lastReviewed: json['lastReviewed'] == null
+          ? null
+          : DateTime.parse(json['lastReviewed'] as String),
+      firstLearned: json['firstLearned'] == null
+          ? null
+          : DateTime.parse(json['firstLearned'] as String),
+      recentAttempts: (json['recentAttempts'] as List<dynamic>?)
+              ?.map((e) => WordAttemptDto.fromJson(e as Map<String, dynamic>))
+              .toList() ??
+          [],
+      difficultyScore: (json['difficultyScore'] as num?)?.toDouble() ?? 0.0,
+      needsReview: json['needsReview'] as bool? ?? false,
+      packId: json['packId'] as String?,
+    );
+
+Map<String, dynamic> _$DetailedWordStatisticsDtoToJson(
+        DetailedWordStatisticsDto instance) =>
+    <String, dynamic>{
+      'word': instance.word,
+      'correct': instance.correct,
+      'incorrect': instance.incorrect,
+      'skipped': instance.skipped,
+      'questionTypes': instance.questionTypes
+          .map((e) => _$TestQuestionTypeEnumMap[e])
+          .toList(),
+      'lastReviewed': instance.lastReviewed?.toIso8601String(),
+      'firstLearned': instance.firstLearned?.toIso8601String(),
+      'recentAttempts': instance.recentAttempts.map((e) => e.toJson()).toList(),
+      'difficultyScore': instance.difficultyScore,
+      'needsReview': instance.needsReview,
+      'packId': instance.packId,
+    };
+
+WordAttemptDto _$WordAttemptDtoFromJson(Map<String, dynamic> json) =>
+    WordAttemptDto(
+      timestamp: DateTime.parse(json['timestamp'] as String),
+      wasCorrect: json['wasCorrect'] as bool,
+      questionType: $enumDecode(_$TestQuestionTypeEnumMap, json['questionType']),
+      wasSkipped: json['wasSkipped'] as bool? ?? false,
+    );
+
+Map<String, dynamic> _$WordAttemptDtoToJson(WordAttemptDto instance) =>
+    <String, dynamic>{
+      'timestamp': instance.timestamp.toIso8601String(),
+      'wasCorrect': instance.wasCorrect,
+      'questionType': _$TestQuestionTypeEnumMap[instance.questionType],
+      'wasSkipped': instance.wasSkipped,
+    };
+
+const _$TestQuestionTypeEnumMap = {
+  TestQuestionType.simple: 'simple',
+  TestQuestionType.input_buttons: 'input_buttons',
+  TestQuestionType.matrix: 'matrix',
+  TestQuestionType.match: 'match',
+  TestQuestionType.undefined: 'undefined',
+};

mnemo_cards_common/lib/src/dtos/user/data/pack_progress_dto.dart

@@ -0,0 +1,120 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+part 'pack_progress_dto.g.dart';
+
+
+/// Statistics about user's progress on a specific pack
+@JsonSerializable()
+@CopyWith()
+class PackProgressDto {
+  /// Pack ID
+  final String packId;
+
+  /// Total number of cards in the pack
+  final int totalCards;
+
+  /// Number of cards learned by the user
+  final int learnedCards;
+
+  /// Total study time spent on this pack in minutes
+  final int studyTimeMinutes;
+
+  /// Date when user last studied this pack
+  final DateTime? lastStudyDate;
+
+  /// Date when user first started studying this pack
+  final DateTime? firstStudyDate;
+
+  /// Map of card ID to number of attempts for that card
+  final Map<String, int> cardAttempts;
+
+  /// Average accuracy across all attempts on this pack (0.0 to 1.0)
+  final double averageAccuracy;
+
+  /// Calculated progress percentage (0.0 to 1.0)
+  double get progress => totalCards > 0 ? learnedCards / totalCards : 0.0;
+
+  /// Average attempts per card
+  double get averageAttempts =>
+      cardAttempts.isNotEmpty ? _calculateAverage(cardAttempts.values) : 0.0;
+
+  /// Total attempts across all cards
+  int get totalAttempts => _calculateSum(cardAttempts.values);
+
+  const PackProgressDto({
+    required this.packId,
+    required this.totalCards,
+    this.learnedCards = 0,
+    this.studyTimeMinutes = 0,
+    this.lastStudyDate,
+    this.firstStudyDate,
+    this.cardAttempts = const {},
+    this.averageAccuracy = 0.0,
+  });
+
+  factory PackProgressDto.fromJson(Map<String, dynamic> json) =>
+      _$PackProgressDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$PackProgressDtoToJson(this);
+
+  /// Create empty progress for a pack
+  factory PackProgressDto.empty(String packId, int totalCards) =>
+      PackProgressDto(
+        packId: packId,
+        totalCards: totalCards,
+      );
+
+  /// Check if user has started studying this pack
+  bool get hasStarted => learnedCards > 0 || studyTimeMinutes > 0;
+
+  /// Get attempts for a specific card
+  int getAttemptsForCard(String cardId) => cardAttempts[cardId] ?? 0;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is PackProgressDto &&
+          runtimeType == other.runtimeType &&
+          packId == other.packId &&
+          totalCards == other.totalCards &&
+          learnedCards == other.learnedCards &&
+          studyTimeMinutes == other.studyTimeMinutes &&
+          lastStudyDate == other.lastStudyDate &&
+          firstStudyDate == other.firstStudyDate &&
+          _mapEquals(cardAttempts, other.cardAttempts) &&
+          averageAccuracy == other.averageAccuracy;
+
+  @override
+  int get hashCode =>
+      packId.hashCode ^
+      totalCards.hashCode ^
+      learnedCards.hashCode ^
+      studyTimeMinutes.hashCode ^
+      lastStudyDate.hashCode ^
+      firstStudyDate.hashCode ^
+      cardAttempts.hashCode ^
+      averageAccuracy.hashCode;
+
+  @override
+  String toString() => 'PackProgressDto(packId: $packId, progress: ${progress.toStringAsFixed(2)}, learned: $learnedCards/$totalCards)';
+}
+
+// Helper functions
+double _calculateAverage(Iterable<int> values) {
+  if (values.isEmpty) return 0.0;
+  final sum = values.fold<int>(0, (a, b) => a + b);
+  return sum / values.length;
+}
+
+int _calculateSum(Iterable<int> values) {
+  return values.fold<int>(0, (a, b) => a + b);
+}
+
+bool _mapEquals(Map<String, int> a, Map<String, int> b) {
+  if (a.length != b.length) return false;
+  for (final key in a.keys) {
+    if (a[key] != b[key]) return false;
+  }
+  return true;
+}

mnemo_cards_common/lib/src/dtos/user/data/pack_progress_dto.g.dart

@@ -0,0 +1,38 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'pack_progress_dto.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+PackProgressDto _$PackProgressDtoFromJson(Map<String, dynamic> json) =>
+    PackProgressDto(
+      packId: json['packId'] as String,
+      totalCards: json['totalCards'] as int,
+      learnedCards: json['learnedCards'] as int? ?? 0,
+      studyTimeMinutes: json['studyTimeMinutes'] as int? ?? 0,
+      lastStudyDate: json['lastStudyDate'] == null
+          ? null
+          : DateTime.parse(json['lastStudyDate'] as String),
+      firstStudyDate: json['firstStudyDate'] == null
+          ? null
+          : DateTime.parse(json['firstStudyDate'] as String),
+      cardAttempts: (json['cardAttempts'] as Map<String, dynamic>?)?.map(
+            (k, e) => MapEntry(k, e as int),
+          ) ??
+          {},
+      averageAccuracy: (json['averageAccuracy'] as num?)?.toDouble() ?? 0.0,
+    );
+
+Map<String, dynamic> _$PackProgressDtoToJson(PackProgressDto instance) =>
+    <String, dynamic>{
+      'packId': instance.packId,
+      'totalCards': instance.totalCards,
+      'learnedCards': instance.learnedCards,
+      'studyTimeMinutes': instance.studyTimeMinutes,
+      'lastStudyDate': instance.lastStudyDate?.toIso8601String(),
+      'firstStudyDate': instance.firstStudyDate?.toIso8601String(),
+      'cardAttempts': instance.cardAttempts,
+      'averageAccuracy': instance.averageAccuracy,
+    };

mnemo_cards_common/lib/src/dtos/user/data/user_data_dto.dart

@@ -0,0 +1,184 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:mnemo_cards_common/src/dtos/user/data/all_tests_statistics_dto.dart';
+import 'package:mnemo_cards_common/src/dtos/user/achievement_dto.dart';
+
+import 'all_words_statistics_dto.dart';
+import 'pack_progress_dto.dart';
+
+part 'user_data_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class UserDataDto {
+  // Existing fields
+  final AllWordsStatisticsDto? allWordsStatistics;
+  final AllTestsStatisticsDto? allTestsStatistics;
+
+  // NEW FIELDS: Extended statistics tracking
+
+  /// When user was last online
+  final DateTime? lastTimeOnline;
+
+  /// Total study time in minutes across all sessions
+  final int totalStudyTimeMinutes;
+
+  /// Current streak (consecutive days with study activity)
+  final int currentStreak;
+
+  /// Longest streak ever achieved
+  final int longestStreak;
+
+  /// Progress tracking for each pack
+  final Map<String, PackProgressDto> packProgress;
+
+  /// List of dates when user studied (for streak calculation)
+  final List<DateTime> studyDates;
+
+  /// Study time by category/language in minutes
+  final Map<String, int> categoryMinutes;
+
+  /// User's achievements
+  final List<AchievementDto> achievements;
+
+  UserDataDto({
+    this.allWordsStatistics,
+    this.allTestsStatistics,
+    this.lastTimeOnline,
+    this.totalStudyTimeMinutes = 0,
+    this.currentStreak = 0,
+    this.longestStreak = 0,
+    this.packProgress = const {},
+    this.studyDates = const [],
+    this.categoryMinutes = const {},
+    this.achievements = const [],
+  });
+
+  factory UserDataDto.fromJson(Map<String, dynamic> json) =>
+      _$UserDataDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$UserDataDtoToJson(this);
+
+  /// Create empty user data
+  factory UserDataDto.empty() => UserDataDto();
+
+  /// Get total learned words count
+  int get totalLearnedWords {
+    return allWordsStatistics?.words.length ?? 0;
+  }
+
+  /// Get total completed tests count
+  int get totalTestsCompleted {
+    return allTestsStatistics?.tests.length ?? 0;
+  }
+
+  /// Get total study time as Duration
+  Duration get totalStudyTime => Duration(minutes: totalStudyTimeMinutes);
+
+  /// Get total study time in hours
+  double get totalStudyTimeHours => totalStudyTimeMinutes / 60.0;
+
+  /// Get progress for specific pack
+  PackProgressDto? getPackProgress(String packId) => packProgress[packId];
+
+  /// Get completed packs count
+  int get completedPacksCount =>
+      packProgress.values.where((p) => p.progress >= 1.0).length;
+
+  /// Get in-progress packs count
+  int get inProgressPacksCount =>
+      packProgress.values.where((p) => p.hasStarted && p.progress < 1.0).length;
+
+  /// Get unlocked achievements count
+  int get unlockedAchievementsCount =>
+      achievements.where((a) => a.isUnlocked).length;
+
+  /// Get total achievements count
+  int get totalAchievementsCount => achievements.length;
+
+  /// Get recent achievements (last 7 days)
+  List<AchievementDto> get recentAchievements {
+    final weekAgo = DateTime.now().subtract(const Duration(days: 7));
+    return achievements
+        .where((a) => a.isUnlocked && a.unlockedAt!.isAfter(weekAgo))
+        .toList();
+  }
+
+  /// Check if user is currently on a streak
+  bool get isOnStreak {
+    if (studyDates.isEmpty || currentStreak == 0) return false;
+    final lastStudyDate = studyDates.reduce((a, b) => a.isAfter(b) ? a : b);
+    final daysSinceLastStudy = DateTime.now().difference(lastStudyDate).inDays;
+    return daysSinceLastStudy <= 1; // Allow 1 day gap
+  }
+
+  /// Get streak status message
+  String get streakStatus {
+    if (currentStreak == 0) return 'No current streak';
+    if (!isOnStreak) return 'Streak broken (${currentStreak} days)';
+    return 'Current streak: $currentStreak days';
+  }
+
+  /// Get achievement progress summary
+  Map<String, int> get achievementsSummary {
+    final categories = <String, int>{};
+    for (final achievement in achievements.where((a) => a.isUnlocked)) {
+      categories[achievement.category] = (categories[achievement.category] ?? 0) + 1;
+    }
+    return categories;
+  }
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is UserDataDto &&
+          runtimeType == other.runtimeType &&
+          allWordsStatistics == other.allWordsStatistics &&
+          allTestsStatistics == other.allTestsStatistics &&
+          lastTimeOnline == other.lastTimeOnline &&
+          totalStudyTimeMinutes == other.totalStudyTimeMinutes &&
+          currentStreak == other.currentStreak &&
+          longestStreak == other.longestStreak &&
+          _mapEquals(packProgress, other.packProgress) &&
+          _listEquals(studyDates, other.studyDates) &&
+          _mapEqualsStringInt(categoryMinutes, other.categoryMinutes) &&
+          _listEquals(achievements, other.achievements);
+
+  @override
+  int get hashCode =>
+      allWordsStatistics.hashCode ^
+      allTestsStatistics.hashCode ^
+      lastTimeOnline.hashCode ^
+      totalStudyTimeMinutes.hashCode ^
+      currentStreak.hashCode ^
+      longestStreak.hashCode ^
+      packProgress.hashCode ^
+      studyDates.hashCode ^
+      categoryMinutes.hashCode ^
+      achievements.hashCode;
+}
+
+// Helper functions for equality checks
+bool _mapEquals<K, V>(Map<K, V> a, Map<K, V> b) {
+  if (a.length != b.length) return false;
+  for (final key in a.keys) {
+    if (a[key] != b[key]) return false;
+  }
+  return true;
+}
+
+bool _mapEqualsStringInt(Map<String, int> a, Map<String, int> b) {
+  if (a.length != b.length) return false;
+  for (final key in a.keys) {
+    if (a[key] != b[key]) return false;
+  }
+  return true;
+}
+
+bool _listEquals<T>(List<T> a, List<T> b) {
+  if (a.length != b.length) return false;
+  for (int i = 0; i < a.length; i++) {
+    if (a[i] != b[i]) return false;
+  }
+  return true;
+}

mnemo_cards_common/lib/src/dtos/user/data/user_data_dto.g.dart

@@ -0,0 +1,90 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'user_data_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$UserDataDtoCWProxy {
+  UserDataDto allTestsStatistics(AllTestsStatisticsDto? allTestsStatistics);
+
+  UserDataDto allWordsStatistics(AllWordsStatisticsDto? allWordsStatistics);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `UserDataDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// UserDataDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  UserDataDto call({
+    AllTestsStatisticsDto? allTestsStatistics,
+    AllWordsStatisticsDto? allWordsStatistics,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfUserDataDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfUserDataDto.copyWith.fieldName(...)`
+class _$UserDataDtoCWProxyImpl implements _$UserDataDtoCWProxy {
+  const _$UserDataDtoCWProxyImpl(this._value);
+
+  final UserDataDto _value;
+
+  @override
+  UserDataDto allTestsStatistics(AllTestsStatisticsDto? allTestsStatistics) =>
+      this(allTestsStatistics: allTestsStatistics);
+
+  @override
+  UserDataDto allWordsStatistics(AllWordsStatisticsDto? allWordsStatistics) =>
+      this(allWordsStatistics: allWordsStatistics);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `UserDataDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// UserDataDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  UserDataDto call({
+    Object? allTestsStatistics = const $CopyWithPlaceholder(),
+    Object? allWordsStatistics = const $CopyWithPlaceholder(),
+  }) {
+    return UserDataDto(
+      allTestsStatistics: allTestsStatistics == const $CopyWithPlaceholder()
+          ? _value.allTestsStatistics
+          // ignore: cast_nullable_to_non_nullable
+          : allTestsStatistics as AllTestsStatisticsDto?,
+      allWordsStatistics: allWordsStatistics == const $CopyWithPlaceholder()
+          ? _value.allWordsStatistics
+          // ignore: cast_nullable_to_non_nullable
+          : allWordsStatistics as AllWordsStatisticsDto?,
+    );
+  }
+}
+
+extension $UserDataDtoCopyWith on UserDataDto {
+  /// Returns a callable class that can be used as follows: `instanceOfUserDataDto.copyWith(...)` or like so:`instanceOfUserDataDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$UserDataDtoCWProxy get copyWith => _$UserDataDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+UserDataDto _$UserDataDtoFromJson(Map<String, dynamic> json) => UserDataDto(
+      allTestsStatistics: json['allTestsStatistics'] == null
+          ? null
+          : AllTestsStatisticsDto.fromJson(
+              json['allTestsStatistics'] as Map<String, dynamic>),
+      allWordsStatistics: json['allWordsStatistics'] == null
+          ? null
+          : AllWordsStatisticsDto.fromJson(
+              json['allWordsStatistics'] as Map<String, dynamic>),
+    );
+
+Map<String, dynamic> _$UserDataDtoToJson(UserDataDto instance) =>
+    <String, dynamic>{
+      'allWordsStatistics': instance.allWordsStatistics,
+      'allTestsStatistics': instance.allTestsStatistics,
+    };

mnemo_cards_common/lib/src/dtos/user/data/word_statistics_dto.dart

@@ -0,0 +1,80 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:mnemo_cards_common/src/utils/json_helper.dart';
+
+import '../../game_tests/test_question_type.dart';
+import 'package:collection/collection.dart';
+
+part 'word_statistics_dto.g.dart';
+
+@JsonSerializable(includeIfNull: false)
+@CopyWith()
+class WordStatisticsDto {
+  final String word;
+  @JsonKey(fromJson: doubleFromJson, toJson: doubleToJson)
+  final double correct;
+  @JsonKey(fromJson: doubleFromJson, toJson: doubleToJson)
+  final double incorrect;
+  @JsonKey(fromJson: doubleFromJson, toJson: doubleToJson)
+  final double skipped;
+  final Set<TestQuestionType> questionTypes;
+
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  double get total => correct + incorrect + skipped;
+
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  double get accuracy => total == 0 ? 0.0 : correct / total;
+
+  WordStatisticsDto({
+    this.word = '',
+    this.correct = 0,
+    this.incorrect = 0,
+    this.skipped = 0,
+    this.questionTypes = const {},
+  });
+
+  WordStatisticsDto.empty(this.word)
+      : correct = 0,
+        incorrect = 0,
+        skipped = 0,
+        questionTypes = {};
+
+  factory WordStatisticsDto.fromJson(Map<String, dynamic> json) =>
+      _$WordStatisticsDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$WordStatisticsDtoToJson(this);
+
+  WordStatisticsDto merge(WordStatisticsDto other) {
+    if (other.word != word)
+      throw Exception('Cant merge different word statistics');
+    return copyWith(
+      correct: correct + other.correct,
+      incorrect: incorrect + other.incorrect,
+      skipped: skipped + other.skipped,
+      questionTypes: {
+        ...questionTypes,
+        ...other.questionTypes,
+      },
+    );
+  }
+
+  @override
+  int get hashCode =>
+      word.hashCode ^
+      correct.hashCode ^
+      incorrect.hashCode ^
+      skipped.hashCode ^
+      questionTypes.hashCode;
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+
+    return other is WordStatisticsDto &&
+        other.word == word &&
+        other.correct == correct &&
+        other.incorrect == incorrect &&
+        other.skipped == skipped &&
+        const SetEquality().equals(other.questionTypes, questionTypes);
+  }
+}

mnemo_cards_common/lib/src/dtos/user/data/word_statistics_dto.g.dart

@@ -0,0 +1,152 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'word_statistics_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$WordStatisticsDtoCWProxy {
+  WordStatisticsDto word(String word);
+
+  WordStatisticsDto correct(double correct);
+
+  WordStatisticsDto incorrect(double incorrect);
+
+  WordStatisticsDto skipped(double skipped);
+
+  WordStatisticsDto questionTypes(Set<TestQuestionType> questionTypes);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `WordStatisticsDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// WordStatisticsDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  WordStatisticsDto call({
+    String? word,
+    double? correct,
+    double? incorrect,
+    double? skipped,
+    Set<TestQuestionType>? questionTypes,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfWordStatisticsDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfWordStatisticsDto.copyWith.fieldName(...)`
+class _$WordStatisticsDtoCWProxyImpl implements _$WordStatisticsDtoCWProxy {
+  const _$WordStatisticsDtoCWProxyImpl(this._value);
+
+  final WordStatisticsDto _value;
+
+  @override
+  WordStatisticsDto word(String word) => this(word: word);
+
+  @override
+  WordStatisticsDto correct(double correct) => this(correct: correct);
+
+  @override
+  WordStatisticsDto incorrect(double incorrect) => this(incorrect: incorrect);
+
+  @override
+  WordStatisticsDto skipped(double skipped) => this(skipped: skipped);
+
+  @override
+  WordStatisticsDto questionTypes(Set<TestQuestionType> questionTypes) =>
+      this(questionTypes: questionTypes);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `WordStatisticsDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// WordStatisticsDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  WordStatisticsDto call({
+    Object? word = const $CopyWithPlaceholder(),
+    Object? correct = const $CopyWithPlaceholder(),
+    Object? incorrect = const $CopyWithPlaceholder(),
+    Object? skipped = const $CopyWithPlaceholder(),
+    Object? questionTypes = const $CopyWithPlaceholder(),
+  }) {
+    return WordStatisticsDto(
+      word: word == const $CopyWithPlaceholder() || word == null
+          ? _value.word
+          // ignore: cast_nullable_to_non_nullable
+          : word as String,
+      correct: correct == const $CopyWithPlaceholder() || correct == null
+          ? _value.correct
+          // ignore: cast_nullable_to_non_nullable
+          : correct as double,
+      incorrect: incorrect == const $CopyWithPlaceholder() || incorrect == null
+          ? _value.incorrect
+          // ignore: cast_nullable_to_non_nullable
+          : incorrect as double,
+      skipped: skipped == const $CopyWithPlaceholder() || skipped == null
+          ? _value.skipped
+          // ignore: cast_nullable_to_non_nullable
+          : skipped as double,
+      questionTypes:
+          questionTypes == const $CopyWithPlaceholder() || questionTypes == null
+              ? _value.questionTypes
+              // ignore: cast_nullable_to_non_nullable
+              : questionTypes as Set<TestQuestionType>,
+    );
+  }
+}
+
+extension $WordStatisticsDtoCopyWith on WordStatisticsDto {
+  /// Returns a callable class that can be used as follows: `instanceOfWordStatisticsDto.copyWith(...)` or like so:`instanceOfWordStatisticsDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$WordStatisticsDtoCWProxy get copyWith =>
+      _$WordStatisticsDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+WordStatisticsDto _$WordStatisticsDtoFromJson(Map<String, dynamic> json) =>
+    WordStatisticsDto(
+      word: json['word'] as String? ?? '',
+      correct: json['correct'] == null
+          ? 0
+          : doubleFromJson(json['correct'] as double?),
+      incorrect: json['incorrect'] == null
+          ? 0
+          : doubleFromJson(json['incorrect'] as double?),
+      skipped: json['skipped'] == null
+          ? 0
+          : doubleFromJson(json['skipped'] as double?),
+      questionTypes: (json['questionTypes'] as List<dynamic>?)
+              ?.map((e) => $enumDecode(_$TestQuestionTypeEnumMap, e))
+              .toSet() ??
+          const {},
+    );
+
+Map<String, dynamic> _$WordStatisticsDtoToJson(WordStatisticsDto instance) {
+  final val = <String, dynamic>{
+    'word': instance.word,
+  };
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('correct', doubleToJson(instance.correct));
+  writeNotNull('incorrect', doubleToJson(instance.incorrect));
+  writeNotNull('skipped', doubleToJson(instance.skipped));
+  val['questionTypes'] =
+      instance.questionTypes.map((e) => _$TestQuestionTypeEnumMap[e]!).toList();
+  return val;
+}
+
+const _$TestQuestionTypeEnumMap = {
+  TestQuestionType.simple: 'simple',
+  TestQuestionType.input_buttons: 'input_buttons',
+  TestQuestionType.matrix: 'matrix',
+  TestQuestionType.match: 'match',
+  TestQuestionType.undefined: 'undefined',
+};

mnemo_cards_common/lib/src/dtos/user/enums.dart

@@ -0,0 +1 @@
+enum ExternalIdType { google, telegram, device }

mnemo_cards_common/lib/src/dtos/user/promo_code_dto.dart

@@ -0,0 +1,23 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+part 'promo_code_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class PromoCodeDto {
+  final String? code;
+  final String? message;
+  final bool? success;
+
+  const PromoCodeDto({
+    this.code,
+    this.message,
+    this.success,
+  });
+
+  factory PromoCodeDto.fromJson(Map<String, dynamic> json) =>
+      _$PromoCodeDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$PromoCodeDtoToJson(this);
+}

mnemo_cards_common/lib/src/dtos/user/promo_code_dto.g.dart

@@ -0,0 +1,95 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'promo_code_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$PromoCodeDtoCWProxy {
+  PromoCodeDto code(String? code);
+
+  PromoCodeDto message(String? message);
+
+  PromoCodeDto success(bool? success);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `PromoCodeDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// PromoCodeDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  PromoCodeDto call({
+    String? code,
+    String? message,
+    bool? success,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfPromoCodeDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfPromoCodeDto.copyWith.fieldName(...)`
+class _$PromoCodeDtoCWProxyImpl implements _$PromoCodeDtoCWProxy {
+  const _$PromoCodeDtoCWProxyImpl(this._value);
+
+  final PromoCodeDto _value;
+
+  @override
+  PromoCodeDto code(String? code) => this(code: code);
+
+  @override
+  PromoCodeDto message(String? message) => this(message: message);
+
+  @override
+  PromoCodeDto success(bool? success) => this(success: success);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `PromoCodeDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// PromoCodeDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  PromoCodeDto call({
+    Object? code = const $CopyWithPlaceholder(),
+    Object? message = const $CopyWithPlaceholder(),
+    Object? success = const $CopyWithPlaceholder(),
+  }) {
+    return PromoCodeDto(
+      code: code == const $CopyWithPlaceholder()
+          ? _value.code
+          // ignore: cast_nullable_to_non_nullable
+          : code as String?,
+      message: message == const $CopyWithPlaceholder()
+          ? _value.message
+          // ignore: cast_nullable_to_non_nullable
+          : message as String?,
+      success: success == const $CopyWithPlaceholder()
+          ? _value.success
+          // ignore: cast_nullable_to_non_nullable
+          : success as bool?,
+    );
+  }
+}
+
+extension $PromoCodeDtoCopyWith on PromoCodeDto {
+  /// Returns a callable class that can be used as follows: `instanceOfPromoCodeDto.copyWith(...)` or like so:`instanceOfPromoCodeDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$PromoCodeDtoCWProxy get copyWith => _$PromoCodeDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+PromoCodeDto _$PromoCodeDtoFromJson(Map<String, dynamic> json) => PromoCodeDto(
+      code: json['code'] as String?,
+      message: json['message'] as String?,
+      success: json['success'] as bool?,
+    );
+
+Map<String, dynamic> _$PromoCodeDtoToJson(PromoCodeDto instance) =>
+    <String, dynamic>{
+      'code': instance.code,
+      'message': instance.message,
+      'success': instance.success,
+    };

mnemo_cards_common/lib/src/dtos/user/settings/user_settings_dto.dart

@@ -0,0 +1,31 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+part 'user_settings_dto.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class UserSettingsDto {
+  final Map<int, PackCardsOrderDto> packCardsOrder;
+
+  UserSettingsDto({this.packCardsOrder = const {}});
+
+  factory UserSettingsDto.fromJson(Map<String, dynamic> json) =>
+      _$UserSettingsDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$UserSettingsDtoToJson(this);
+}
+
+@JsonSerializable()
+@CopyWith()
+class PackCardsOrderDto {
+  final int packId;
+  final List<int> cardsOrder;
+
+  PackCardsOrderDto({this.packId = -1, this.cardsOrder = const []});
+
+  factory PackCardsOrderDto.fromJson(Map<String, dynamic> json) =>
+      _$PackCardsOrderDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$PackCardsOrderDtoToJson(this);
+}

mnemo_cards_common/lib/src/dtos/user/settings/user_settings_dto.g.dart

@@ -0,0 +1,155 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'user_settings_dto.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$UserSettingsDtoCWProxy {
+  UserSettingsDto packCardsOrder(Map<int, PackCardsOrderDto> packCardsOrder);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `UserSettingsDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// UserSettingsDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  UserSettingsDto call({
+    Map<int, PackCardsOrderDto>? packCardsOrder,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfUserSettingsDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfUserSettingsDto.copyWith.fieldName(...)`
+class _$UserSettingsDtoCWProxyImpl implements _$UserSettingsDtoCWProxy {
+  const _$UserSettingsDtoCWProxyImpl(this._value);
+
+  final UserSettingsDto _value;
+
+  @override
+  UserSettingsDto packCardsOrder(Map<int, PackCardsOrderDto> packCardsOrder) =>
+      this(packCardsOrder: packCardsOrder);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `UserSettingsDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// UserSettingsDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  UserSettingsDto call({
+    Object? packCardsOrder = const $CopyWithPlaceholder(),
+  }) {
+    return UserSettingsDto(
+      packCardsOrder: packCardsOrder == const $CopyWithPlaceholder() ||
+              packCardsOrder == null
+          ? _value.packCardsOrder
+          // ignore: cast_nullable_to_non_nullable
+          : packCardsOrder as Map<int, PackCardsOrderDto>,
+    );
+  }
+}
+
+extension $UserSettingsDtoCopyWith on UserSettingsDto {
+  /// Returns a callable class that can be used as follows: `instanceOfUserSettingsDto.copyWith(...)` or like so:`instanceOfUserSettingsDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$UserSettingsDtoCWProxy get copyWith => _$UserSettingsDtoCWProxyImpl(this);
+}
+
+abstract class _$PackCardsOrderDtoCWProxy {
+  PackCardsOrderDto packId(int packId);
+
+  PackCardsOrderDto cardsOrder(List<int> cardsOrder);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `PackCardsOrderDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// PackCardsOrderDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  PackCardsOrderDto call({
+    int? packId,
+    List<int>? cardsOrder,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfPackCardsOrderDto.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfPackCardsOrderDto.copyWith.fieldName(...)`
+class _$PackCardsOrderDtoCWProxyImpl implements _$PackCardsOrderDtoCWProxy {
+  const _$PackCardsOrderDtoCWProxyImpl(this._value);
+
+  final PackCardsOrderDto _value;
+
+  @override
+  PackCardsOrderDto packId(int packId) => this(packId: packId);
+
+  @override
+  PackCardsOrderDto cardsOrder(List<int> cardsOrder) =>
+      this(cardsOrder: cardsOrder);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `PackCardsOrderDto(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// PackCardsOrderDto(...).copyWith(id: 12, name: "My name")
+  /// ````
+  PackCardsOrderDto call({
+    Object? packId = const $CopyWithPlaceholder(),
+    Object? cardsOrder = const $CopyWithPlaceholder(),
+  }) {
+    return PackCardsOrderDto(
+      packId: packId == const $CopyWithPlaceholder() || packId == null
+          ? _value.packId
+          // ignore: cast_nullable_to_non_nullable
+          : packId as int,
+      cardsOrder:
+          cardsOrder == const $CopyWithPlaceholder() || cardsOrder == null
+              ? _value.cardsOrder
+              // ignore: cast_nullable_to_non_nullable
+              : cardsOrder as List<int>,
+    );
+  }
+}
+
+extension $PackCardsOrderDtoCopyWith on PackCardsOrderDto {
+  /// Returns a callable class that can be used as follows: `instanceOfPackCardsOrderDto.copyWith(...)` or like so:`instanceOfPackCardsOrderDto.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$PackCardsOrderDtoCWProxy get copyWith =>
+      _$PackCardsOrderDtoCWProxyImpl(this);
+}
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+UserSettingsDto _$UserSettingsDtoFromJson(Map<String, dynamic> json) =>
+    UserSettingsDto(
+      packCardsOrder: (json['packCardsOrder'] as Map<String, dynamic>?)?.map(
+            (k, e) => MapEntry(int.parse(k),
+                PackCardsOrderDto.fromJson(e as Map<String, dynamic>)),
+          ) ??
+          const {},
+    );
+
+Map<String, dynamic> _$UserSettingsDtoToJson(UserSettingsDto instance) =>
+    <String, dynamic>{
+      'packCardsOrder':
+          instance.packCardsOrder.map((k, e) => MapEntry(k.toString(), e)),
+    };
+
+PackCardsOrderDto _$PackCardsOrderDtoFromJson(Map<String, dynamic> json) =>
+    PackCardsOrderDto(
+      packId: json['packId'] as int? ?? -1,
+      cardsOrder: (json['cardsOrder'] as List<dynamic>?)
+              ?.map((e) => e as int)
+              .toList() ??
+          const [],
+    );
+
+Map<String, dynamic> _$PackCardsOrderDtoToJson(PackCardsOrderDto instance) =>
+    <String, dynamic>{
+      'packId': instance.packId,
+      'cardsOrder': instance.cardsOrder,
+    };

mnemo_cards_common/lib/src/dtos/user/study_session_dto.dart

@@ -0,0 +1,237 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:copy_with_extension/copy_with_extension.dart';
+
+part 'study_session_dto.g.dart';
+
+/// Study session data for tracking learning activity
+@JsonSerializable()
+@CopyWith()
+class StudySessionDto {
+  /// Unique session identifier
+  final String? sessionId;
+
+  /// When the session started
+  final DateTime startTime;
+
+  /// When the session ended (null if still active)
+  final DateTime? endTime;
+
+  /// Number of words learned during this session
+  final int wordsLearned;
+
+  /// Number of tests completed during this session
+  final int testsCompleted;
+
+  /// Overall accuracy during this session (0.0 to 1.0)
+  final double accuracy;
+
+  /// Pack being studied (if focused on specific pack)
+  final String? packId;
+
+  /// Test being taken (if part of a test)
+  final String? testId;
+
+  StudySessionDto({
+    this.sessionId,
+    required this.startTime,
+    this.endTime,
+    this.wordsLearned = 0,
+    this.testsCompleted = 0,
+    this.accuracy = 0.0,
+    this.packId,
+    this.testId,
+  });
+
+  factory StudySessionDto.fromJson(Map<String, dynamic> json) =>
+      _$StudySessionDtoFromJson(json);
+
+  Map<String, Object?> toJson() => _$StudySessionDtoToJson(this);
+
+  /// Check if session is currently active
+  bool get isActive => endTime == null;
+
+  /// Get session duration in minutes
+  Duration get duration {
+    final end = endTime ?? DateTime.now();
+    return end.difference(startTime);
+  }
+
+  /// Get session duration in minutes (integer)
+  int get durationMinutes => duration.inMinutes;
+
+  /// Create new session
+  factory StudySessionDto.start({
+    String? sessionId,
+    String? packId,
+    String? testId,
+  }) => StudySessionDto(
+        sessionId: sessionId ?? _generateSessionId(),
+        startTime: DateTime.now(),
+        packId: packId,
+        testId: testId,
+      );
+
+  /// End the session with final statistics
+  StudySessionDto end({
+    int wordsLearned = 0,
+    int testsCompleted = 0,
+    double accuracy = 0.0,
+  }) => StudySessionDto(
+        sessionId: sessionId,
+        startTime: startTime,
+        endTime: DateTime.now(),
+        wordsLearned: wordsLearned,
+        testsCompleted: testsCompleted,
+        accuracy: accuracy,
+        packId: packId,
+        testId: testId,
+      );
+
+  /// Add progress to active session
+  StudySessionDto addProgress({
+    int wordsLearned = 0,
+    int testsCompleted = 0,
+    double? accuracy,
+  }) => StudySessionDto(
+        sessionId: sessionId,
+        startTime: startTime,
+        endTime: endTime,
+        wordsLearned: this.wordsLearned + wordsLearned,
+        testsCompleted: this.testsCompleted + testsCompleted,
+        accuracy: accuracy ?? this.accuracy,
+        packId: packId,
+        testId: testId,
+      );
+
+  /// Get session type description
+  String get sessionType {
+    if (testId != null) return 'Test Session';
+    if (packId != null) return 'Pack Study';
+    return 'General Study';
+  }
+
+  /// Get productivity score (words per minute)
+  double get productivityScore {
+    final minutes = duration.inMinutes;
+    if (minutes == 0) return 0.0;
+    return wordsLearned / minutes;
+  }
+
+  /// Check if session was productive
+  bool get isProductive {
+    return wordsLearned >= 5 && accuracy >= 0.7 && duration.inMinutes >= 5;
+  }
+
+  static String _generateSessionId() =>
+      'session_${DateTime.now().millisecondsSinceEpoch}_${DateTime.now().microsecond}';
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is StudySessionDto &&
+          runtimeType == other.runtimeType &&
+          sessionId == other.sessionId &&
+          startTime == other.startTime &&
+          endTime == other.endTime &&
+          wordsLearned == other.wordsLearned &&
+          testsCompleted == other.testsCompleted &&
+          accuracy == other.accuracy &&
+          packId == other.packId &&
+          testId == other.testId;
+
+  @override
+  int get hashCode =>
+      sessionId.hashCode ^
+      startTime.hashCode ^
+      endTime.hashCode ^
+      wordsLearned.hashCode ^
+      testsCompleted.hashCode ^
+      accuracy.hashCode ^
+      packId.hashCode ^
+      testId.hashCode;
+
+  @override
+  String toString() =>
+      'StudySessionDto(id: $sessionId, duration: ${duration.inMinutes}min, words: $wordsLearned, accuracy: ${(accuracy * 100).toStringAsFixed(1)}%, type: $sessionType)';
+}
+
+/// Study session summary for aggregated statistics
+class StudySessionSummary {
+  final int totalSessions;
+  final Duration totalTime;
+  final int totalWordsLearned;
+  final int totalTestsCompleted;
+  final double averageAccuracy;
+  final double averageProductivity;
+
+  const StudySessionSummary({
+    required this.totalSessions,
+    required this.totalTime,
+    required this.totalWordsLearned,
+    required this.totalTestsCompleted,
+    required this.averageAccuracy,
+    required this.averageProductivity,
+  });
+
+  factory StudySessionSummary.fromSessions(List<StudySessionDto> sessions) {
+    if (sessions.isEmpty) {
+      return const StudySessionSummary(
+        totalSessions: 0,
+        totalTime: Duration.zero,
+        totalWordsLearned: 0,
+        totalTestsCompleted: 0,
+        averageAccuracy: 0.0,
+        averageProductivity: 0.0,
+      );
+    }
+
+    final totalTime = sessions.fold<Duration>(
+      Duration.zero,
+      (sum, session) => sum + session.duration,
+    );
+
+    final totalWordsLearned = sessions.fold<int>(
+      0,
+      (sum, session) => sum + session.wordsLearned,
+    );
+
+    final totalTestsCompleted = sessions.fold<int>(
+      0,
+      (sum, session) => sum + session.testsCompleted,
+    );
+
+    final totalAccuracy = sessions.fold<double>(
+      0,
+      (sum, session) => sum + session.accuracy,
+    );
+
+    final totalProductivity = sessions.fold<double>(
+      0,
+      (sum, session) => sum + session.productivityScore,
+    );
+
+    return StudySessionSummary(
+      totalSessions: sessions.length,
+      totalTime: totalTime,
+      totalWordsLearned: totalWordsLearned,
+      totalTestsCompleted: totalTestsCompleted,
+      averageAccuracy: totalAccuracy / sessions.length,
+      averageProductivity: totalProductivity / sessions.length,
+    );
+  }
+
+  /// Get average session duration
+  Duration get averageSessionDuration =>
+      totalSessions > 0 ? totalTime ~/ totalSessions : Duration.zero;
+
+  /// Get average words per session
+  double get averageWordsPerSession =>
+      totalSessions > 0 ? totalWordsLearned / totalSessions : 0.0;
+
+  /// Get total study time in hours
+  double get totalHours => totalTime.inMinutes / 60.0;
+
+  @override
+  String toString() =>
+      'StudySessionSummary(sessions: $totalSessions, time: ${totalHours.toStringAsFixed(1)}h, words: $totalWordsLearned, accuracy: ${(averageAccuracy * 100).toStringAsFixed(1)}%)';
+}