Dmitry
0f49280805
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41 lines
1.6 KiB
Dart
41 lines
1.6 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 '../converters.dart' show generateUuid;
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/// Таблица StudySessions - сессии изучения
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class StudySessions 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().references(Users, #id, onDelete: KeyAction.cascade)();
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TextColumn get sessionId => text().nullable().unique()();
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Column<PgDateTime> get startTime =>
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customType(PgTypes.timestampWithTimezone)();
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Column<PgDateTime> get endTime =>
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customType(PgTypes.timestampWithTimezone).nullable()();
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IntColumn get wordsLearned => integer().withDefault(const Constant(0))();
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IntColumn get testsCompleted => integer().withDefault(const Constant(0))();
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RealColumn get accuracy => real().withDefault(const Constant(0.0))();
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TextColumn get packId => text().nullable()();
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TextColumn get testId => text().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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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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