mnemo_cards/mnemo_cards_backend/lib/database/daos/subscription_dao.dart
Dmitry 77b4ce91b5
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postgress
2025-12-13 16:27:05 +03:00

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import 'package:drift/drift.dart';
import '../database.dart';
import '../tables/subscriptions.dart';
import '../tables/users.dart';
part 'subscription_dao.g.dart';
@DriftAccessor(tables: [SubscriptionPlans, UserSubscriptions])
class SubscriptionDao extends DatabaseAccessor<AppDatabase> with _$SubscriptionDaoMixin {
SubscriptionDao(super.db);
// ==================== SubscriptionPlans ====================
/// Получить план подписки по ID
Future<SubscriptionPlan?> getPlanById(int id) {
return (select(subscriptionPlans)..where((p) => p.id.equals(id))).getSingleOrNull();
}
/// Получить все планы подписки
Future<List<SubscriptionPlan>> getAllPlans() {
return (select(subscriptionPlans)
..where((p) => p.isDeleted.equals(false))
).get();
}
/// Создать план подписки
Future<int> createPlan(SubscriptionPlansCompanion plan) {
return into(subscriptionPlans).insert(plan);
}
/// Обновить план подписки
Future<bool> updatePlan(SubscriptionPlan plan) {
return update(subscriptionPlans).replace(plan);
}
// ==================== UserSubscriptions ====================
/// Получить подписку пользователя
Future<UserSubscription?> getUserSubscription(int userId) {
return (select(userSubscriptions)
..where((us) => us.userId.equals(userId))
..orderBy([(us) => OrderingTerm.desc(us.finish)])
).getSingleOrNull();
}
/// Получить активную подписку пользователя
Future<UserSubscription?> getActiveSubscription(int userId) async {
final now = DateTime.now();
return (select(userSubscriptions)
..where((us) => us.userId.equals(userId))
..where((us) => us.start.isSmallerThanValue(now))
..where((us) => us.finish.isBiggerThanValue(now))
..orderBy([(us) => OrderingTerm.desc(us.finish)])
).getSingleOrNull();
}
/// Проверить, есть ли у пользователя активная подписка
Future<bool> hasActiveSubscription(int userId) async {
final subscription = await getActiveSubscription(userId);
return subscription != null;
}
/// Создать подписку пользователя
Future<int> createUserSubscription(UserSubscriptionsCompanion subscription) {
return into(userSubscriptions).insert(subscription);
}
/// Обновить подписку пользователя
Future<bool> updateUserSubscription(UserSubscription subscription) {
return update(userSubscriptions).replace(subscription);
}
/// Удалить подписку пользователя
Future<void> deleteUserSubscription(int userId) {
return (delete(userSubscriptions)
..where((us) => us.userId.equals(userId))
).go();
}
/// Получить всех пользователей с активными подписками
Future<List<UserSubscription>> getActiveSubscriptions() async {
final now = DateTime.now();
return (select(userSubscriptions)
..where((us) => us.start.isSmallerThanValue(now))
..where((us) => us.finish.isBiggerThanValue(now))
..orderBy([(us) => OrderingTerm.desc(us.finish)])
).get();
}
}