Dmitry
1ab5071345
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63 lines
2.6 KiB
Dart
63 lines
2.6 KiB
Dart
import 'package:drift/drift.dart';
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import 'package:drift_postgres/drift_postgres.dart';
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import 'users.dart';
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import 'packs.dart' show CardPacks, GameCards, VoiceModels;
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/// Junction table для связи Users ↔ CardPacks (многие ко многим)
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/// Хранит информацию о том, какие паки куплены пользователем
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class UserPacks extends Table {
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TextColumn get userId => text()
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.references(Users, #id, onDelete: KeyAction.cascade)();
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TextColumn get packId => text()
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.references(CardPacks, #id, onDelete: KeyAction.cascade)();
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// Когда пользователь получил доступ к паку
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Column<PgDateTime> get grantedAt => customType(PgTypes.timestampWithTimezone)
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.withDefault(now())();
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// Как пользователь получил пак (purchase, promo, free, admin)
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TextColumn get grantType => text().withDefault(const Constant('purchase'))();
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@override
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Set<Column> get primaryKey => {userId, packId};
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}
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/// Таблица PreviewCards - связь CardPacks с preview карточками
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/// Хранит какие карточки показывать в превью пака
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class PreviewCards extends Table {
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TextColumn get packId => text()
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.references(CardPacks, #id, onDelete: KeyAction.cascade)();
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TextColumn get cardId => text()
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.references(GameCards, #id, onDelete: KeyAction.cascade)();
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IntColumn get order => integer().withDefault(const Constant(0))();
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@override
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Set<Column> get primaryKey => {packId, cardId};
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}
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/// Таблица CardPackCards - связь CardPacks с GameCards (many-to-many)
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/// Хранит какие карточки принадлежат какому паку
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class CardPackCards extends Table {
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TextColumn get packId => text()
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.references(CardPacks, #id, onDelete: KeyAction.cascade)();
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TextColumn get cardId => text()
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.references(GameCards, #id, onDelete: KeyAction.cascade)();
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IntColumn get order => integer().withDefault(const Constant(0))();
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@override
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Set<Column> get primaryKey => {packId, cardId};
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}
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/// Таблица CardVoices - связь GameCards с VoiceModels (many-to-many)
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/// Хранит какие голосовые файлы принадлежат какой карточке
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class CardVoices extends Table {
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TextColumn get cardId => text()
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.references(GameCards, #id, onDelete: KeyAction.cascade)();
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TextColumn get voiceId => text()
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.references(VoiceModels, #id, onDelete: KeyAction.cascade)();
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@override
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Set<Column> get primaryKey => {cardId, voiceId};
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}
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