fix

lib/presentation/viewmodel/payment_method_sheet_bloc.dart

@@ -3,13 +3,15 @@ import 'package:flutter_bloc/flutter_bloc.dart';
 import '../../core/result.dart';
 import '../../domain/entities/payment_card.dart';
 import '../../domain/usecase/get_payment_cards_usecase.dart';
+import '../../domain/usecase/set_main_payment_card_usecase.dart';
 import '../event/payment_method_sheet_event.dart';
 import '../state/payment_method_sheet_state.dart';
 
 class PaymentMethodSheetBloc extends Bloc<PaymentMethodSheetEvent, PaymentMethodSheetState> {
   final GetPaymentCardsUsecase _getPaymentCardsUsecase;
+  final SetMainPaymentCardUsecase _setMainPaymentCardUsecase;
 
-  PaymentMethodSheetBloc(this._getPaymentCardsUsecase)
+  PaymentMethodSheetBloc(this._getPaymentCardsUsecase, this._setMainPaymentCardUsecase)
       : super(PaymentMethodSheetState(status: PaymentMethodSheetStatus.initial)) {
     on<PaymentMethodSheetStarted>(_onStarted);
   }
@@ -41,4 +43,53 @@ class PaymentMethodSheetBloc extends Bloc<PaymentMethodSheetEvent, PaymentMethod
       ));
     }
   }
+  Future<void> _onSelectCard(
+      SelectPaymentCardRequested event,
+      Emitter<PaymentMethodSheetState> emit,
+      ) async {
+    // Включаем локальный лоадер на шторке, либо просто ждем ответа
+    emit(state.copyWith(status: PaymentMethodSheetStatus.loading));
+
+    final result = await _setMainPaymentCardUsecase(event.card.id);
+
+    if (result is Success<void>) {
+      final cardsResult = await _getPaymentCardsUsecase();
+      if (cardsResult is Success<List<PaymentCard>>) {
+        emit(state.copyWith(
+          status: PaymentMethodSheetStatus.success,
+          cards: cardsResult.data ?? [],
+        ));
+      } else {
+        emit(state.copyWith(status: PaymentMethodSheetStatus.failure, errorMessage: 'Ошибка обновления списка карт'));
+      }
+    } else {
+      emit(state.copyWith(
+        status: PaymentMethodSheetStatus.failure,
+        errorMessage: 'Не удалось установить карту основной',
+      ));
+    }
+  }
+
+  // Выносим загрузку в отдельный метод для переиспользования
+  Future<void> _loadCards(Emitter<PaymentMethodSheetState> emit) async {
+    try {
+      final result = await _getPaymentCardsUsecase();
+      if (result is Success<List<PaymentCard>>) {
+        emit(state.copyWith(
+          status: PaymentMethodSheetStatus.success,
+          cards: result.data ?? [],
+        ));
+      } else {
+        emit(state.copyWith(
+          status: PaymentMethodSheetStatus.failure,
+          errorMessage: 'Failed to load payment cards',
+        ));
+      }
+    } catch (e) {
+      emit(state.copyWith(
+        status: PaymentMethodSheetStatus.failure,
+        errorMessage: e.toString(),
+      ));
+    }
+  }
 }