2025-12-13 13:27:05 +00:00
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import 'package:drift/drift.dart';
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2025-12-13 23:35:14 +00:00
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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 =>
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text().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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2026-01-24 16:07:29 +00:00
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2026-01-24 15:18:58 +00:00
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// Время, когда тест перестанет быть доступен (soft limit)
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// Когда expiresAt наступает, тест soft-delete (доступен только по прямой ссылке)
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Column<PgDateTime> get expiresAt =>
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customType(PgTypes.timestampWithTimezone).nullable()();
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// Audit
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Column<PgDateTime> get createdAt =>
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customType(PgTypes.timestampWithTimezone).withDefault(now())();
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Column<PgDateTime> get updatedAt =>
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customType(PgTypes.timestampWithTimezone).withDefault(now())();
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BoolColumn get isDeleted =>
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boolean().customConstraint('NOT NULL DEFAULT FALSE')();
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// PostgreSQL использует нативный BOOLEAN
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Column<PgDateTime> get deletedAt =>
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customType(PgTypes.timestampWithTimezone).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 =>
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text().withDefault(const CustomExpression('gen_random_uuid()::text'))();
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TextColumn get testId =>
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text().references(Tests, #id, onDelete: KeyAction.cascade)();
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// Порядок вопроса в тесте
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IntColumn get orderIndex => integer().withDefault(const Constant(0))();
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// Тип вопроса (enum as string)
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TextColumn get questionType => text()();
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// Ключевые поля вынесены из JSON
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TextColumn get word => text()(); // Слово/фраза для изучения
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TextColumn get answer => text()(); // Правильный ответ (ID кнопки)
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// Варианты ответов (JSON array кнопок)
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// [{"id": "btn1", "text": "apple", "image": null}, ...]
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TextColumn get options => text().withDefault(const Constant('[]'))();
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// UI данные (image, text, audio, template для input_buttons)
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// {"image": "url", "text": "Question?", "audio": "url", "template": "___"}
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TextColumn get uiData => text().withDefault(const Constant('{}'))();
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// Audit
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Column<PgDateTime> get createdAt =>
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customType(PgTypes.timestampWithTimezone).withDefault(now())();
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Column<PgDateTime> get updatedAt =>
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customType(PgTypes.timestampWithTimezone).withDefault(now())();
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BoolColumn get isDeleted =>
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boolean().customConstraint('NOT NULL DEFAULT FALSE')();
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Column<PgDateTime> get deletedAt =>
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customType(PgTypes.timestampWithTimezone).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 =>
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text().references(Tests, #id, onDelete: KeyAction.cascade)();
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TextColumn get packId =>
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text().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 =>
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text().withDefault(const CustomExpression('gen_random_uuid()::text'))();
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TextColumn get userId =>
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text()(); // Reference to Users, but not FK to avoid circular deps
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TextColumn get testId =>
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text().references(Tests, #id, onDelete: KeyAction.cascade)();
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// Сводные метрики (вынесены для быстрого доступа и аналитики)
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IntColumn get totalQuestions => integer().withDefault(const Constant(0))();
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IntColumn get correctAnswers => integer().withDefault(const Constant(0))();
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IntColumn get incorrectAnswers => integer().withDefault(const Constant(0))();
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IntColumn get skippedAnswers => integer().withDefault(const Constant(0))();
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// Процент правильных ответов (0-100)
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RealColumn get scorePercentage => real().withDefault(const Constant(0.0))();
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// Время прохождения в секундах
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IntColumn get timeSpentSeconds => integer().nullable()();
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// Детальные результаты по каждому вопросу (JSON)
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// [{"questionId": "123", "correct": true, "timeSpent": 5, "answer": "a1"}]
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TextColumn get questionResults => text().withDefault(const Constant('[]'))();
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// Дополнительные данные (по типам вопросов, streak и т.д.)
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TextColumn get metadata => text().withDefault(const Constant('{}'))();
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// Когда завершен тест
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Column<PgDateTime> get completedAt =>
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customType(PgTypes.timestampWithTimezone).withDefault(now())();
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// Audit
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Column<PgDateTime> get createdAt =>
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customType(PgTypes.timestampWithTimezone).withDefault(now())();
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Column<PgDateTime> get updatedAt =>
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customType(PgTypes.timestampWithTimezone).withDefault(now())();
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2025-12-13 20:55:50 +00:00
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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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