feat: refactor code

lib/feature/wallet/domain/entities/wallet_entity.dart

@@ -0,0 +1,28 @@
+/// موجودیتِ کیف‌پول و وضعیت اقتصادیِ کاربر (به‌همراه نام و آواتار برای نوار لابی).
+class WalletEntity {
+  final int coins;
+  final int tickets;
+  final int xp;
+  final int trophies;
+  final int level;
+  final int xpIntoLevel;
+  final int xpForNext;
+  final bool vip;
+  final String selectedCard;
+  final String name;
+  final String avatar;
+
+  const WalletEntity({
+    required this.coins,
+    required this.tickets,
+    required this.xp,
+    required this.trophies,
+    required this.level,
+    required this.xpIntoLevel,
+    required this.xpForNext,
+    required this.vip,
+    required this.selectedCard,
+    required this.name,
+    required this.avatar,
+  });
+}

lib/feature/wallet/domain/repository/wallet_repository.dart

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+import '../../../../core/resources/data_state.dart';
+import '../entities/wallet_entity.dart';
+
+abstract class WalletRepository {
+  Future<DataState<WalletEntity>> getWallet();
+
+  /// دریافت سکه روزانه؛ مقدار دریافتی را برمی‌گرداند.
+  Future<DataState<int>> claimDaily();
+}

lib/feature/wallet/domain/use_cases/claim_daily_usecase.dart

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+import '../../../../core/resources/data_state.dart';
+import '../../../../core/usecase/use_case.dart';
+import '../repository/wallet_repository.dart';
+
+class ClaimDailyUseCase implements UseCase<DataState<int>, NoParams> {
+  final WalletRepository repository;
+  ClaimDailyUseCase(this.repository);
+
+  @override
+  Future<DataState<int>> call(NoParams params) => repository.claimDaily();
+}

lib/feature/wallet/domain/use_cases/get_wallet_usecase.dart

@@ -0,0 +1,13 @@
+import '../../../../core/resources/data_state.dart';
+import '../../../../core/usecase/use_case.dart';
+import '../entities/wallet_entity.dart';
+import '../repository/wallet_repository.dart';
+
+class GetWalletUseCase implements UseCase<DataState<WalletEntity>, NoParams> {
+  final WalletRepository repository;
+  GetWalletUseCase(this.repository);
+
+  @override
+  Future<DataState<WalletEntity>> call(NoParams params) =>
+      repository.getWallet();
+}