mnemo_cards/mnemo_cards_backend/lib/database/tables/subscriptions.dart

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import 'package:drift/drift.dart';
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import 'package:drift_postgres/drift_postgres.dart';
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import '../converters.dart' show JsonMapConverter, JsonListConverter;
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import 'users.dart';
/// Таблица SubscriptionPlans - планы подписки
class SubscriptionPlans extends Table {
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// ID как String, но фактически UUID (генерируется PostgreSQL на стороне БД)
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TextColumn get id =>
text().withDefault(const CustomExpression('gen_random_uuid()::text'))();
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// UI информация (JSON)
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TextColumn get ui => text().nullable().map(const JsonMapConverter())();
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// Цена и валюта
TextColumn get price => text()();
TextColumn get currency => text()();
IntColumn get durationDays => integer()();
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// Функции подписки (JSON array)
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TextColumn get features =>
text().withDefault(const Constant('[]')).map(const JsonListConverter())();
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// Платежная система
TextColumn get paymentId => text().nullable()();
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TextColumn get paymentSystem => text()(); // enum as string
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// Audit
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Column<PgDateTime> get createdAt =>
customType(PgTypes.timestampWithTimezone).withDefault(now())();
Column<PgDateTime> get updatedAt =>
customType(PgTypes.timestampWithTimezone).withDefault(now())();
BoolColumn get isDeleted =>
boolean().customConstraint('NOT NULL DEFAULT FALSE')();
// PostgreSQL использует нативный BOOLEAN
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@override
Set<Column> get primaryKey => {id};
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}
/// Таблица UserSubscriptions - подписки пользователей
class UserSubscriptions extends Table {
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// ID как String, но фактически UUID (генерируется PostgreSQL на стороне БД)
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TextColumn get id =>
text().withDefault(const CustomExpression('gen_random_uuid()::text'))();
TextColumn get userId =>
text().unique().references(Users, #id, onDelete: KeyAction.cascade)();
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Column<PgDateTime> get start => customType(PgTypes.timestampWithTimezone)();
Column<PgDateTime> get finish => customType(PgTypes.timestampWithTimezone)();
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// Функции подписки (JSON array)
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TextColumn get features =>
text().withDefault(const Constant('[]')).map(const JsonListConverter())();
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// Audit
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Column<PgDateTime> get createdAt =>
customType(PgTypes.timestampWithTimezone).withDefault(now())();
Column<PgDateTime> get updatedAt =>
customType(PgTypes.timestampWithTimezone).withDefault(now())();
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@override
Set<Column> get primaryKey => {id};
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}
// Конвертеры импортированы из converters.dart