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81 lines
3.2 KiB
Dart
81 lines
3.2 KiB
Dart
import 'package:drift/drift.dart';
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import 'package:drift_postgres/drift_postgres.dart';
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import '../converters.dart' show generateUuid, JsonListConverter, StringListConverter;
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import 'users.dart';
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/// Таблица PromoCodesCampaigns - кампании промокодов
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class PromoCodesCampaigns 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()
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.withDefault(const CustomExpression('gen_random_uuid()::text'))();
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TextColumn get template => text()();
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TextColumn get name => text().nullable()();
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// Продукты (JSON array)
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TextColumn get products => text()
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.withDefault(const Constant('[]'))
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.map(const JsonListConverter())();
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IntColumn get activationsPerCode => integer()();
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IntColumn get activationsPerUser => integer()();
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IntColumn get generationSize => integer()();
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Column<PgDateTime> get start => customType(PgTypes.timestampWithTimezone)();
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Column<PgDateTime> get finish => customType(PgTypes.timestampWithTimezone)();
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// Статус (enum as string)
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TextColumn get status => text()(); // created, preparing, ready, active, disabled
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// Теги (JSON array)
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TextColumn get tags => text()
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.withDefault(const Constant('[]'))
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.map(const StringListConverter())();
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// Audit
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Column<PgDateTime> get createdAt => customType(PgTypes.timestampWithTimezone)
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.withDefault(now())();
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Column<PgDateTime> get updatedAt => customType(PgTypes.timestampWithTimezone)
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.withDefault(now())();
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BoolColumn get isDeleted => boolean()
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.withDefault(const Constant(false))
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.customConstraint('')(); // PostgreSQL использует нативный BOOLEAN
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Column<PgDateTime> get deletedAt => customType(PgTypes.timestampWithTimezone)
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.nullable()();
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@override
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Set<Column> get primaryKey => {id};
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}
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/// Таблица PromoCodes - промокоды
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class PromoCodes 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()
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.withDefault(const CustomExpression('gen_random_uuid()::text'))();
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TextColumn get campaignId => text()
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.references(PromoCodesCampaigns, #id, onDelete: KeyAction.cascade)();
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TextColumn get code => text().unique()();
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IntColumn get activations => integer().withDefault(const Constant(0))();
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// Индивидуальный промокод (связан с пользователем)
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TextColumn get userId => text()
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.nullable()
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.references(Users, #id, onDelete: KeyAction.cascade)();
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// Audit
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Column<PgDateTime> get createdAt => customType(PgTypes.timestampWithTimezone)
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.withDefault(now())();
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Column<PgDateTime> get updatedAt => customType(PgTypes.timestampWithTimezone)
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.withDefault(now())();
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BoolColumn get isDeleted => boolean()
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.withDefault(const Constant(false))
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.customConstraint('')();
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Column<PgDateTime> get deletedAt => customType(PgTypes.timestampWithTimezone)
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.nullable()();
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@override
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Set<Column> get primaryKey => {id};
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}
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// Конвертеры импортированы из converters.dart
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