Dmitry
c7b01e0dd0
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99 lines
3.8 KiB
Dart
99 lines
3.8 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, JsonMapConverter;
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import 'packs.dart';
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/// Таблица Tests - тесты
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class Tests 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 name => text()();
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TextColumn get color => text().nullable()();
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TextColumn get cover => text().nullable()();
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TextColumn get version => text().nullable()();
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TextColumn get time => text().nullable()();
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TextColumn get timeSubtitle => text().nullable()();
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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 TestQuestions - вопросы тестов
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class TestQuestions 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 testId => text()
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.references(Tests, #id, onDelete: KeyAction.cascade)();
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// Тип вопроса (enum as string)
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TextColumn get questionType => text()();
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TextColumn get body => text()();
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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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/// Таблица TestPackRelations - связь Tests с CardPacks (many-to-many)
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class TestPackRelations extends Table {
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TextColumn get testId => text()
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.references(Tests, #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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@override
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Set<Column> get primaryKey => {testId, packId};
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}
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/// Таблица TestStatistics - статистика прохождения тестов
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class TestStatistics 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 userId => text()(); // Reference to Users, but not FK to avoid circular deps
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TextColumn get testId => text()
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.references(Tests, #id, onDelete: KeyAction.cascade)();
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// Результаты (JSON)
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TextColumn get results => text()
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.withDefault(const Constant('{}'))
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.map(const JsonMapConverter())();
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Column<PgDateTime> get completedAt => customType(PgTypes.timestampWithTimezone)
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.withDefault(now())();
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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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@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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