feat(app): clean architecture with typed repositories, DTO models and calendar event logos

FinlyticApp/lib/features/discovery/cubit/discovery_cubit.dart

@@ -2,6 +2,7 @@ import 'package:equatable/equatable.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import '../../../core/network/api_client.dart';
 import '../models/discovery_asset_model.dart';
+import '../repositories/discovery_repository.dart';
 
 class DiscoveryState extends Equatable {
   final List<DiscoveryAssetModel> assets;
@@ -27,27 +28,24 @@ class DiscoveryState extends Equatable {
 }
 
 class DiscoveryCubit extends Cubit<DiscoveryState> {
-  final ApiClient apiClient;
+  final DiscoveryRepository repository;
 
-  DiscoveryCubit({required this.apiClient}) : super(const DiscoveryState());
+  DiscoveryCubit({
+    DiscoveryRepository? repository,
+    ApiClient? apiClient,
+  })  : repository = repository ?? DiscoveryRepository(apiClient: apiClient!),
+        super(const DiscoveryState());
 
   Future<void> loadDiscovery({int limit = 15}) async {
     if (state.isLoading) return;
     emit(state.copyWith(isLoading: true));
 
     try {
-      final res = await apiClient.get('/api/v1/assets/discovery?limit=$limit');
-      if (res.statusCode == 200 && res.data is List) {
-        final list = (res.data as List)
-            .map((e) => DiscoveryAssetModel.fromJson(Map<String, dynamic>.from(e)))
-            .toList();
-
-        emit(DiscoveryState(assets: list, isLoading: false));
-      } else {
-        emit(state.copyWith(isLoading: false));
-      }
+      final list = await repository.getDiscoveryAssets(limit: limit);
+      emit(DiscoveryState(assets: list, isLoading: false));
     } catch (_) {
       emit(state.copyWith(isLoading: false));
     }
   }
 }
+

FinlyticApp/lib/features/discovery/repositories/discovery_repository.dart

@@ -0,0 +1,21 @@
+import '../../../core/network/api_client.dart';
+import '../models/discovery_asset_model.dart';
+
+/// Clean Architecture Repository for fetching asset discovery data.
+class DiscoveryRepository {
+  final ApiClient apiClient;
+
+  const DiscoveryRepository({required this.apiClient});
+
+  /// Fetches top discovery assets.
+  Future<List<DiscoveryAssetModel>> getDiscoveryAssets({int limit = 15}) async {
+    final res = await apiClient.get('/api/v1/assets/discovery?limit=$limit');
+    if (res.statusCode == 200 && res.data is List) {
+      return (res.data as List)
+          .whereType<Map<String, dynamic>>()
+          .map((e) => DiscoveryAssetModel.fromJson(e))
+          .toList();
+    }
+    return [];
+  }
+}