chore(mobile): refactor authentication (#14322)

mobile/lib/repositories/auth.repository.dart

@@ -0,0 +1,28 @@
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/entities/album.entity.dart';
+import 'package:immich_mobile/entities/asset.entity.dart';
+import 'package:immich_mobile/entities/etag.entity.dart';
+import 'package:immich_mobile/entities/exif_info.entity.dart';
+import 'package:immich_mobile/entities/user.entity.dart';
+import 'package:immich_mobile/interfaces/auth.interface.dart';
+import 'package:immich_mobile/providers/db.provider.dart';
+import 'package:immich_mobile/repositories/database.repository.dart';
+
+final authRepositoryProvider = Provider<IAuthRepository>(
+  (ref) => AuthRepository(ref.watch(dbProvider)),
+);
+
+class AuthRepository extends DatabaseRepository implements IAuthRepository {
+  AuthRepository(super.db);
+
+  @override
+  Future<void> clearLocalData() {
+    return db.writeTxn(() async {
+      await db.assets.clear();
+      await db.exifInfos.clear();
+      await db.albums.clear();
+      await db.eTags.clear();
+      await db.users.clear();
+    });
+  }
+}