mnemo_cards/mnemo_cards_backend/lib/database/tables/achievements.dart

import 'package:drift/drift.dart';
import 'users.dart';

/// Таблица UserAchievements - достижения пользователей
class UserAchievements extends Table {
  TextColumn get id => text().withDefault(const Constant('gen_random_uuid()'))();

  TextColumn get userId => text().references(Users, #id, onDelete: KeyAction.cascade)();

  // Achievement ID (from AchievementDefinitions)
  TextColumn get achievementId => text()();

  // When achievement was unlocked
  DateTimeColumn get unlockedAt => dateTime().withDefault(currentDateAndTime)();

  // Progress (0.0 to 1.0)
  RealColumn get progress => real().withDefault(const Constant(1.0))();

  // Audit
  DateTimeColumn get createdAt => dateTime().withDefault(currentDateAndTime)();
  DateTimeColumn get updatedAt => dateTime().withDefault(currentDateAndTime)();

  @override
  Set<Column> get primaryKey => {id};

  @override
  List<String> get customConstraints => [
    'UNIQUE(user_id, achievement_id)',
  ];
}

// Конвертеры импортированы из converters.dart