Merge remote-tracking branch 'upstream/main' into issue-975

2026-07-15 15:17:44 +03:00
parent 219908684f bd2de07b8f
commit 2a07ed596b
74 changed files with 3880 additions and 251 deletions
--- a/lib/features/chat/models/order_id_to_conversation_model.dart
+++ b/lib/features/chat/models/order_id_to_conversation_model.dart
@@ -0,0 +1,15 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'order_id_to_conversation_model.freezed.dart';
+part 'order_id_to_conversation_model.g.dart';
+
+@freezed
+abstract class OrderIdToConversationModel with _$OrderIdToConversationModel {
+  factory OrderIdToConversationModel({
+    @JsonKey(name: 'chosen_plan_id') required int chosenPlanId,
+    @JsonKey(name: 'conversation_uuid') required String conversationUuid,
+  }) = _OrderIdToConversationModel;
+
+  factory OrderIdToConversationModel.fromJson(Map<String, dynamic> json) =>
+      _$OrderIdToConversationModelFromJson(json);
+}
--- a/lib/features/chat/models/payment_model.dart
+++ b/lib/features/chat/models/payment_model.dart
@@ -5,10 +5,12 @@ part 'payment_model.g.dart';

@freezed
 abstract class PaymentModel with _$PaymentModel {
-
  factory PaymentModel({
    @JsonKey(name: 'checkout_url') required String paymentUrl,
+    @JsonKey(name: 'order_id') String? orderId,
+    @JsonKey(name: 'payment_provider') String? paymentProvider,
  }) = _PaymentModel;

-  factory PaymentModel.fromJson(Map<String, dynamic> json) => _$PaymentModelFromJson(json);
-}
+  factory PaymentModel.fromJson(Map<String, dynamic> json) =>
+      _$PaymentModelFromJson(json);
+}
--- a/lib/features/chat/presentation/bloc/chat_room_cubit/chat_room_cubit.dart
+++ b/lib/features/chat/presentation/bloc/chat_room_cubit/chat_room_cubit.dart
@@ -94,17 +94,38 @@ class ChatRoomCubit extends Cubit<ChatRoomState> {
    }
  }

-  Future<void> initChat(String uuid, {bool sendInitialMessage = false}) async {
+  /// Инициализирует чат по [uuid] либо по [orderId] (resolve → conversation_uuid).
+  ///
+  /// При наличии [orderId] сначала вызывается
+  /// `GET /api/consultation/resolve/order_id_to_conversation/{orderId}`.
+  ///
+  /// Возвращает conversation uuid, которым инициализировали чат (для reload без повторного resolve).
+  Future<String?> initChat(String? uuid, {String? orderId, bool sendInitialMessage = false}) async {
    try {
      emit(const ChatRoomState.loading());
-      final chatRoom = await chatRepository.getChatRoom(uuid);
-      ChosenPlanModel? chosenPlan;
-      if (chatRoom.chosenPlanId != null) {
-        chosenPlan = await chatRepository.getChosenPlan(id: chatRoom.chosenPlanId!);
+
+      String? resolvedUuid = uuid;
+      int? resolvedChosenPlanId;
+
+      if (orderId != null && orderId.isNotEmpty) {
+        final resolved = await chatRepository.resolveOrderIdToConversation(orderId: orderId);
+        resolvedUuid = resolved.conversationUuid;
+        resolvedChosenPlanId = resolved.chosenPlanId;
      }
-      final chatMessages = await chatRepository.getChatMessages(uuid, currentPage);
+
+      if (resolvedUuid == null || resolvedUuid.isEmpty) {
+        throw ArgumentError('initChat requires uuid or orderId');
+      }
+
+      final chatRoom = await chatRepository.getChatRoom(resolvedUuid);
+      ChosenPlanModel? chosenPlan;
+      final planId = resolvedChosenPlanId ?? chatRoom.chosenPlanId;
+      if (planId != null) {
+        chosenPlan = await chatRepository.getChosenPlan(id: planId);
+      }
+      final chatMessages = await chatRepository.getChatMessages(resolvedUuid, currentPage);
      lastPage = chatMessages.meta.lastPage;
-      await _subscribeToChatChannel(uuid: uuid, chatId: chatRoom.id);
+      await _subscribeToChatChannel(uuid: resolvedUuid, chatId: chatRoom.id);
      emit(
        ChatRoomState.loaded(
          chatRoom: chatRoom.copyWith(chosenPlan: chosenPlan),
@@ -118,6 +139,7 @@ class ChatRoomCubit extends Cubit<ChatRoomState> {
      if (chosenPlan?.consultantId == chatRoom.users.sender.id) {
        await checkCards();
      }
+      return resolvedUuid;
    } catch (e, st) {
      await reportFrom(e, st, this);
      log(e.toString());
@@ -125,6 +147,7 @@ class ChatRoomCubit extends Cubit<ChatRoomState> {
      messagesSubscription?.cancel();
      wsManager.unsubscribeDirectChatChannel();
      emit(const ChatRoomState.error(errorMessage: 'Ошибка получеия данных'));
+      return null;
    }
  }

@@ -414,7 +437,7 @@ class ChatRoomCubit extends Cubit<ChatRoomState> {
    try {
      final planId = (state as ChatRoomStateLoaded).chatRoom.chosenPlan?.id;
      if (planId == null) return null;
-      final paymentModel = await chatRepository.getPaymentLink(id: planId);
+      final paymentModel = await chatRepository.getPaymentLink(id: planId, paymentProvider: 'alfa-bank');
      return paymentModel.paymentUrl;
    } catch (e, st) {
      await reportFrom(e, st, this);
--- a/lib/features/chat/presentation/pages/chat_screen.dart
+++ b/lib/features/chat/presentation/pages/chat_screen.dart
@@ -42,10 +42,11 @@ import 'package:intl/intl.dart';
 import 'package:visibility_detector/visibility_detector.dart';

 class ChatScreen extends StatefulWidget {
-  final String uuid;
+  final String? uuid;
+  final String? orderId;
  final bool? sendInitialMessage;

-  const ChatScreen({required this.uuid, super.key, required this.sendInitialMessage});
+  const ChatScreen({this.uuid, this.orderId, super.key, required this.sendInitialMessage});

  @override
  State<ChatScreen> createState() => _ChatScreenState();
@@ -61,6 +62,11 @@ class _ChatScreenState extends State<ChatScreen> {
  late AppLifecycleListener _listener;
  List<File> pickedFiles = [];

+  /// Conversation uuid после успешного init (в т.ч. после resolve по orderId).
+  String? _effectiveUuid;
+
+  String? get conversationUuid => _effectiveUuid ?? widget.uuid;
+
  void _onHide() {
    chatRoomCubit.cancelTimer();
  }
@@ -70,26 +76,41 @@ class _ChatScreenState extends State<ChatScreen> {
    chatRoomCubit.setTimer();
  }

+  Future<void> _initChatRoom() async {
+    final uuid = await chatRoomCubit.initChat(
+      conversationUuid,
+      orderId: _effectiveUuid == null ? widget.orderId : null,
+      sendInitialMessage: widget.sendInitialMessage ?? false,
+    );
+    if (uuid != null && mounted) {
+      setState(() => _effectiveUuid = uuid);
+    }
+  }
+
  @override
  void didUpdateWidget(ChatScreen oldWidget) {
    super.didUpdateWidget(oldWidget);
-    if (oldWidget.uuid != widget.uuid) {
-      chatRoomCubit.initChat(widget.uuid, sendInitialMessage: widget.sendInitialMessage ?? false);
+    if (oldWidget.uuid != widget.uuid || oldWidget.orderId != widget.orderId) {
+      _effectiveUuid = widget.uuid;
+      _initChatRoom();
    }
  }

  @override
  void initState() {
    super.initState();
+    _effectiveUuid = widget.uuid;
    scrollController.addListener(_onScroll);
-    chatRoomCubit.initChat(widget.uuid, sendInitialMessage: widget.sendInitialMessage ?? false);
+    _initChatRoom();
    chatRoomCubit.setTimer();
    _listener = AppLifecycleListener(onHide: _onHide, onResume: _onResume);
  }

  void _onScroll() {
+    final uuid = conversationUuid;
+    if (uuid == null) return;
    if (scrollController.offset >= scrollController.position.maxScrollExtent && !scrollController.position.outOfRange) {
-      chatRoomCubit.loadNextPage(widget.uuid);
+      chatRoomCubit.loadNextPage(uuid);
    }
  }

@@ -123,7 +144,7 @@ class _ChatScreenState extends State<ChatScreen> {
                  },
                ),
              ),
-              body: DataErrorWidget(onReload: () => chatRoomCubit.initChat(widget.uuid)),
+              body: DataErrorWidget(onReload: _initChatRoom),
            );
          } else {
            return Scaffold(
@@ -147,10 +168,7 @@ class _ChatScreenState extends State<ChatScreen> {
  }

  Scaffold _buildChat(BuildContext context, ChatRoomStateLoaded state) {
-    final chatCounterpart = resolveChatCounterpart(
-      users: state.chatRoom.users,
-      currentUserId: sl<WsManager>().userId,
-    );
+    final chatCounterpart = resolveChatCounterpart(users: state.chatRoom.users, currentUserId: sl<WsManager>().userId);
    final chosenPlan = state.chatRoom.chosenPlan;
    final amIConsultant = chosenPlan?.consultantId == state.chatRoom.users.sender.id;
    final showUserDetailsButton = [
@@ -238,12 +256,7 @@ class _ChatScreenState extends State<ChatScreen> {
                      style: CustomTextStyles.titleSmallBold.copyWith(color: PrimaryColors().black),
                    ),
                    AnimatedCrossFade(
-                      firstChild: Text(
-                        'Печатает...',
-                        maxLines: 1,
-                        overflow: TextOverflow.ellipsis,
-                        style: CustomTextStyles.bodySmallMulishPrimary,
-                      ),
+                      firstChild: Text('Печатает...', maxLines: 1, overflow: TextOverflow.ellipsis, style: CustomTextStyles.bodySmallMulishPrimary),
                      firstCurve: Curves.easeIn,
                      secondCurve: Curves.easeOut,
                      secondChild: ChatUserOnlineStatusLine(
@@ -264,9 +277,7 @@ class _ChatScreenState extends State<ChatScreen> {
        actions: [
          Padding(
            padding: const EdgeInsetsDirectional.only(end: 8),
-            child: _ChatHeaderVideoCallButton(
-              onPressed: () => _openVideoCall(context, state, chatCounterpart),
-            ),
+            child: _ChatHeaderVideoCallButton(onPressed: () => _openVideoCall(context, state, chatCounterpart)),
          ),
        ],
      ),
@@ -771,7 +782,7 @@ class _ChatScreenState extends State<ChatScreen> {
    GoRouter.of(context).pushNamed(
      VideoCallScreen.name,
      extra: <String, dynamic>{
-        'conversationUuid': widget.uuid,
+        'conversationUuid': conversationUuid,
        'counterpartName': chatCounterpart.name,
        'counterpartAvatarUrl': chatCounterpart.profilePhotoUrl,
        'counterpartUserId': chatCounterpart.id,
@@ -833,9 +844,7 @@ class _ChatHeaderVideoCallButton extends StatelessWidget {
        child: SizedBox(
          width: 40,
          height: 40,
-          child: Center(
-            child: Icon(Icons.videocam_rounded, color: appTheme.blueA400, size: 18),
-          ),
+          child: Center(child: Icon(Icons.videocam_rounded, color: appTheme.blueA400, size: 18)),
        ),
      ),
    );
--- a/lib/features/chat/presentation/widgets/notification_banner.dart
+++ b/lib/features/chat/presentation/widgets/notification_banner.dart
@@ -2,15 +2,14 @@ import 'package:eatvio_app/core/theme/custom_text_style.dart';
 import 'package:eatvio_app/core/theme/theme_helper.dart';
 import 'package:eatvio_app/core/widgets/bottom_sheet_with_blur.dart';
 import 'package:eatvio_app/core/widgets/custom_outlined_button.dart';
-import 'package:eatvio_app/core/widgets/loader.dart';
 import 'package:eatvio_app/features/chat/presentation/bloc/chat_room_cubit/chat_room_cubit.dart';
 import 'package:eatvio_app/features/chat/presentation/bloc/chat_room_cubit/chat_room_state.dart';
-import 'package:eatvio_app/features/chat/presentation/pages/payment_screen.dart';
 import 'package:eatvio_app/features/chat/presentation/widgets/chose_plan_date_widget.dart';
 import 'package:eatvio_app/features/chat/presentation/widgets/complete_plan_bottom_sheet.dart';
 import 'package:eatvio_app/features/chat/presentation/widgets/plan_complain_bottom_sheet.dart';
 import 'package:eatvio_app/features/my_diets/presentation/my_diets_screen.dart';
 import 'package:eatvio_app/features/my_finance/presentation/pages/card_settings.dart';
+import 'package:eatvio_app/features/payment/presentation/payment_flow.dart';
 import 'package:eatvio_app/generated/l10n.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
@@ -29,7 +28,6 @@ class NotificationBanner extends StatefulWidget {
 }

 class _NotificationBannerState extends State<NotificationBanner> {
-  bool isLoading = false;
  @override
  Widget build(BuildContext context) {
    final size = MediaQuery.sizeOf(context);
@@ -54,13 +52,7 @@ class _NotificationBannerState extends State<NotificationBanner> {
                  padding: EdgeInsets.only(top: 12, right: 8, left: 12),
                  child: _StarIcon(),
                ),
-              if (isLoading)
-                const Padding(
-                  padding: EdgeInsets.only(left: 40, top: 24),
-                  child: Loader(),
-                )
-              else
-                Padding(
+              Padding(
                  padding: const EdgeInsets.only(top: 16),
                  child: Column(
                    mainAxisSize: MainAxisSize.min,
@@ -111,21 +103,10 @@ class _NotificationBannerState extends State<NotificationBanner> {
                          ),
                          const SizedBox(height: 12),
                          GestureDetector(
-                            onTap: () async {
+                            onTap: () {
                              final planId = (context.read<ChatRoomCubit>().state as ChatRoomStateLoaded).chatRoom.chosenPlan?.id;
-                              setState(() {
-                                isLoading = true;
-                              });
-                              final paymentLink = await context.read<ChatRoomCubit>().getPaymentLink();
-                              setState(() {
-                                isLoading = false;
-                              });
-                              if (paymentLink != null && planId != null) {
-                                if (!context.mounted) return;
-                                GoRouter.of(context).pushReplacement(
-                                  PaymentScreen.path,
-                                  extra: {'url': paymentLink, 'planId': planId},
-                                );
+                              if (planId != null) {
+                                showConsultationPaymentFlow(context, planId: planId);
                              }
                            },
                            child: Text(s.pay, style: TextStyles.textLSemibold.copyWith(color: appTheme.blueA400)),
--- a/lib/features/chat/repositories/chat_repository.dart
+++ b/lib/features/chat/repositories/chat_repository.dart
@@ -6,6 +6,7 @@ import 'package:eatvio_app/features/chat/models/chat_message_model.dart';
 import 'package:eatvio_app/features/chat/models/chat_messages_model.dart';
 import 'package:eatvio_app/features/chat/models/chat_room_model.dart';
 import 'package:eatvio_app/features/chat/models/chat_room_pagination_model.dart';
+import 'package:eatvio_app/features/chat/models/order_id_to_conversation_model.dart';
 import 'package:eatvio_app/features/chat/models/payment_model.dart';
 import 'package:eatvio_app/features/chat/models/plan_complain_model.dart';
 import 'package:eatvio_app/features/chat/services/chat_service.dart';
@@ -98,8 +99,19 @@ class ChatRepository {

  Future<PaymentModel> getPaymentLink({
    required int id,
+    required String paymentProvider,
  }) async {
-    return await chatService.getPaymentLink(id: id);
+    return await chatService.getPaymentLink(
+      id: id,
+      body: {'payment_provider': paymentProvider},
+    );
+
+  }
+
+  Future<OrderIdToConversationModel> resolveOrderIdToConversation({
+    required String orderId,
+  }) async {
+    return await chatService.resolveOrderIdToConversation(orderId: orderId);

  }

--- a/lib/features/chat/services/chat_service.dart
+++ b/lib/features/chat/services/chat_service.dart
@@ -3,6 +3,7 @@ import 'package:eatvio_app/features/chat/models/chat_message_model.dart';
 import 'package:eatvio_app/features/chat/models/chat_messages_model.dart';
 import 'package:eatvio_app/features/chat/models/chat_room_model.dart';
 import 'package:eatvio_app/features/chat/models/chat_room_pagination_model.dart';
+import 'package:eatvio_app/features/chat/models/order_id_to_conversation_model.dart';
 import 'package:eatvio_app/features/chat/models/payment_model.dart';
 import 'package:eatvio_app/features/chat/models/plan_complain_model.dart';
 import 'package:eatvio_app/features/plans/models/chosen_plan_model.dart';
@@ -65,6 +66,12 @@ abstract class ChatService {
  @POST('/api/chosen_plans/{id}/start_payment_process')
  Future<PaymentModel> getPaymentLink({
    @Path() required int id,
+    @Body() required Map<String, String> body,
+  });
+
+  @GET('/api/consultation/resolve/order_id_to_conversation/{orderId}')
+  Future<OrderIdToConversationModel> resolveOrderIdToConversation({
+    @Path() required String orderId,
  });

  @GET('/api/chosen_plans/show/{id}')
--- a/lib/features/order_info/cubit/order_info_cubit.dart
+++ b/lib/features/order_info/cubit/order_info_cubit.dart
@@ -14,7 +14,7 @@ class OrderInfoCubit extends Cubit<OrderInfoState> {
    try {
      final plan = state.chosenPlan;
      if (plan == null) return null;
-      final paymentModel = await chatRepository.getPaymentLink(id: plan.id);
+      final paymentModel = await chatRepository.getPaymentLink(id: plan.id, paymentProvider: 'alfa-bank');
      return paymentModel.paymentUrl;
    } catch (e, st) {
      await reportFrom(e, st, this);
--- a/lib/features/payment/presentation/cubit/consultation_payment_cubit/consultation_payment_cubit.dart
+++ b/lib/features/payment/presentation/cubit/consultation_payment_cubit/consultation_payment_cubit.dart
@@ -0,0 +1,98 @@
+import 'dart:developer';
+
+import 'package:eatvio_app/core/error_reporting/report_from.dart';
+import 'package:eatvio_app/features/payment/presentation/cubit/consultation_payment_cubit/consultation_payment_state.dart';
+import 'package:eatvio_app/features/payment/repositories/payment_repository.dart';
+import 'package:eatvio_app/features/payment/repositories/sbp_repository.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:sbp/models/c2bmembers_model.dart';
+
+/// Cubit оплаты консультации через СБП: старт оплаты, список банков, редирект в банк.
+///
+/// Не хранит [planId] как поле — он передаётся в [startPayment].
+/// Polling статуса оплаты остаётся в ChatRoomCubit.
+class ConsultationPaymentCubit extends Cubit<ConsultationPaymentState> {
+  final PaymentRepository paymentRepository;
+  final SbpRepository sbpRepository;
+
+  ConsultationPaymentCubit({
+    required this.paymentRepository,
+    required this.sbpRepository,
+  }) : super(ConsultationPaymentState());
+
+  /// Запускает оплату для [planId], сохраняет checkout_url и загружает банки СБП.
+  Future<void> startPayment({required int planId}) async {
+    try {
+      emit(
+        state.copyWith(
+          isLoading: true,
+          errorMessage: null,
+          banks: const [],
+          checkoutUrl: null,
+          orderId: null,
+        ),
+      );
+
+      final payment = await paymentRepository.startPaymentProcess(planId: planId);
+
+      emit(
+        state.copyWith(
+          checkoutUrl: payment.paymentUrl,
+          orderId: payment.orderId,
+        ),
+      );
+
+      try {
+        final banks = await sbpRepository.getInstalledBanks();
+        if (isClosed) return;
+        emit(
+          state.copyWith(
+            banks: banks,
+            isLoading: false,
+            errorMessage: null,
+          ),
+        );
+      } catch (e, st) {
+        await reportFrom(e, st, this);
+        log(e.toString(), stackTrace: st);
+        if (isClosed) return;
+        emit(
+          state.copyWith(
+            isLoading: false,
+            banks: const [],
+            errorMessage: e.toString(),
+          ),
+        );
+      }
+    } catch (e, st) {
+      await reportFrom(e, st, this);
+      log(e.toString(), stackTrace: st);
+      if (isClosed) return;
+      emit(
+        state.copyWith(
+          isLoading: false,
+          banks: const [],
+          checkoutUrl: null,
+          orderId: null,
+          errorMessage: e.toString(),
+        ),
+      );
+    }
+  }
+
+  /// Открывает банковское приложение [bank] с текущим [ConsultationPaymentState.checkoutUrl].
+  Future<bool> openBank({required C2bmemberModel bank}) async {
+    final checkoutUrl = state.checkoutUrl;
+    if (checkoutUrl == null || checkoutUrl.isEmpty) {
+      return false;
+    }
+
+    try {
+      return await sbpRepository.openBank(url: checkoutUrl, bank: bank);
+    } catch (e, st) {
+      await reportFrom(e, st, this);
+      log(e.toString(), stackTrace: st);
+      return false;
+    }
+  }
+}
--- a/lib/features/payment/presentation/cubit/consultation_payment_cubit/consultation_payment_state.dart
+++ b/lib/features/payment/presentation/cubit/consultation_payment_cubit/consultation_payment_state.dart
@@ -0,0 +1,15 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:sbp/models/c2bmembers_model.dart';
+
+part 'consultation_payment_state.freezed.dart';
+
+@freezed
+abstract class ConsultationPaymentState with _$ConsultationPaymentState {
+  factory ConsultationPaymentState({
+    @Default(false) bool isLoading,
+    @Default([]) List<C2bmemberModel> banks,
+    String? checkoutUrl,
+    String? orderId,
+    String? errorMessage,
+  }) = _ConsultationPaymentState;
+}
--- a/lib/features/payment/presentation/payment_flow.dart
+++ b/lib/features/payment/presentation/payment_flow.dart
@@ -0,0 +1,49 @@
+import 'package:eatvio_app/features/payment/presentation/widgets/promo_code_gate_bottom_sheet.dart';
+import 'package:eatvio_app/features/payment/presentation/widgets/promo_code_modal.dart';
+import 'package:eatvio_app/features/payment/presentation/widgets/sbp_banks_bottom_sheet.dart';
+import 'package:eatvio_app/generated/l10n.dart';
+import 'package:flutter/material.dart';
+
+/// Оркестрирует флоу оплаты консультации:
+/// гейт «У вас есть промокод?» → (Да → форма промокода) → SbpBanks.
+Future<void> showConsultationPaymentFlow(
+  BuildContext context, {
+  required int planId,
+  Future<bool?> Function(BuildContext)? showGate,
+  Future<PromoCodeResult?> Function(BuildContext, {Future<PromoValidation> Function(String)? onValidate})? showForm,
+  Future<void> Function(BuildContext, {required int planId})? showSbp,
+}) async {
+  final gate = showGate ?? _showGate;
+  final form = showForm ?? _showForm;
+  final sbp = showSbp ?? _showSbp;
+  final s = S.of(context);
+
+  final gateChoice = await gate(context);
+  if (gateChoice == null || !context.mounted) return;
+
+  if (gateChoice) {
+    final formResult = await form(
+      context,
+      onValidate: (_) async => PromoValidation.failure(s.promo_invalid),
+    );
+    if (formResult == null || !context.mounted) return;
+  }
+
+  if (!context.mounted) return;
+  await sbp(context, planId: planId);
+}
+
+Future<bool?> _showGate(BuildContext context) {
+  return showPromoCodeGateBottomSheet(context);
+}
+
+Future<PromoCodeResult?> _showForm(
+  BuildContext context, {
+  Future<PromoValidation> Function(String)? onValidate,
+}) {
+  return ItvioPromoCodeModal.show(context, onValidate: onValidate);
+}
+
+Future<void> _showSbp(BuildContext context, {required int planId}) {
+  return showSbpBanksBottomSheet(context, planId: planId);
+}
--- a/lib/features/payment/presentation/widgets/promo_code_gate_bottom_sheet.dart
+++ b/lib/features/payment/presentation/widgets/promo_code_gate_bottom_sheet.dart
@@ -0,0 +1,97 @@
+import 'package:eatvio_app/core/theme/custom_text_style.dart';
+import 'package:eatvio_app/core/theme/theme_helper.dart';
+import 'package:eatvio_app/core/widgets/bottom_sheet_handler_bar.dart';
+import 'package:eatvio_app/generated/l10n.dart';
+import 'package:flutter/material.dart';
+
+/// Показывает bottom sheet «У вас есть промокод?» с кнопками Да/Нет.
+///
+/// Возвращает `true` если пользователь нажал «Да», `false` если «Нет»,
+/// `null` если закрыл шторку (бекдроп/крестик).
+Future<bool?> showPromoCodeGateBottomSheet(BuildContext context) {
+  return showModalBottomSheet<bool?>(
+    context: context,
+    isScrollControlled: true,
+    barrierColor: appTheme.transparentBlack,
+    backgroundColor: Colors.transparent,
+    elevation: 0,
+    useSafeArea: true,
+    builder: (_) => Container(
+      decoration: const BoxDecoration(
+        color: Colors.white,
+        borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
+      ),
+      child: _PromoCodeGateSheet(),
+    ),
+  );
+}
+
+/// Виджет-гейт выбора промокода.
+class PromoCodeGateBottomSheet extends StatelessWidget {
+  const PromoCodeGateBottomSheet({super.key, required this.onResult});
+
+  final ValueChanged<bool?> onResult;
+
+  @override
+  Widget build(BuildContext context) {
+    final s = S.of(context);
+    return Padding(
+      padding: const EdgeInsets.fromLTRB(16, 8, 16, 20),
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: [
+          const Center(child: BottomSheetHandlerBar()),
+          const SizedBox(height: 24),
+          Text(
+            s.have_promo_code,
+            style: TextStyles.headingXLSemibold.copyWith(color: appTheme.black),
+            textAlign: TextAlign.center,
+          ),
+          const SizedBox(height: 24),
+          SizedBox(
+            height: 50,
+            child: FilledButton(
+              onPressed: () => onResult(true),
+              style: FilledButton.styleFrom(
+                backgroundColor: appTheme.blueA400,
+                foregroundColor: appTheme.whiteA700,
+                shape: const StadiumBorder(),
+              ),
+              child: Text(
+                s.yes,
+                style: TextStyles.textMSemibold.copyWith(color: appTheme.whiteA700),
+              ),
+            ),
+          ),
+          const SizedBox(height: 8),
+          SizedBox(
+            height: 50,
+            child: OutlinedButton(
+              onPressed: () => onResult(false),
+              style: OutlinedButton.styleFrom(
+                foregroundColor: appTheme.blueA400,
+                side: BorderSide(color: appTheme.blueA400),
+                shape: const StadiumBorder(),
+              ),
+              child: Text(
+                s.no,
+                style: TextStyles.textMSemibold.copyWith(color: appTheme.blueA400),
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+/// Внутренняя реализация модалки — обёртка над [PromoCodeGateBottomSheet].
+class _PromoCodeGateSheet extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return PromoCodeGateBottomSheet(
+      onResult: (result) => Navigator.of(context).pop(result),
+    );
+  }
+}
--- a/lib/features/payment/presentation/widgets/promo_code_modal.dart
+++ b/lib/features/payment/presentation/widgets/promo_code_modal.dart
@@ -0,0 +1,281 @@
+import 'package:eatvio_app/core/theme/custom_text_style.dart';
+import 'package:eatvio_app/core/theme/theme_helper.dart';
+import 'package:eatvio_app/core/widgets/bottom_sheet_handler_bar.dart';
+import 'package:eatvio_app/generated/l10n.dart';
+import 'package:flutter/material.dart';
+
+/// Результат работы модалки промокода.
+class PromoCodeResult {
+  const PromoCodeResult({this.code});
+
+  /// Применённый промокод или null, если пользователь продолжил без него.
+  final String? code;
+
+  bool get hasPromoCode => code != null;
+}
+
+/// Ответ проверки промокода.
+class PromoValidation {
+  const PromoValidation.success() : error = null;
+  const PromoValidation.failure(this.error);
+
+  final String? error;
+
+  bool get isValid => error == null;
+}
+
+/// Модальное окно ввода промокода.
+class ItvioPromoCodeModal extends StatefulWidget {
+  const ItvioPromoCodeModal({super.key, this.onValidate});
+
+  final Future<PromoValidation> Function(String code)? onValidate;
+
+  static Future<PromoCodeResult?> show(
+    BuildContext context, {
+    Future<PromoValidation> Function(String code)? onValidate,
+  }) {
+    return showModalBottomSheet<PromoCodeResult>(
+      context: context,
+      isScrollControlled: true,
+      useSafeArea: true,
+      backgroundColor: Colors.transparent,
+      builder: (_) => ItvioPromoCodeModal(onValidate: onValidate),
+    );
+  }
+
+  @override
+  State<ItvioPromoCodeModal> createState() => _ItvioPromoCodeModalState();
+}
+
+enum _ModalState { input, loading }
+
+class _ItvioPromoCodeModalState extends State<ItvioPromoCodeModal> {
+  final _controller = TextEditingController();
+  final _focusNode = FocusNode();
+
+  _ModalState _state = _ModalState.input;
+  String? _errorText;
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    _focusNode.dispose();
+    super.dispose();
+  }
+
+  Future<void> _apply() async {
+    final code = _controller.text.trim().toUpperCase();
+
+    if (code.isEmpty) {
+      setState(() => _errorText = S.of(context).enter_promo_code);
+      return;
+    }
+
+    setState(() {
+      _state = _ModalState.loading;
+      _errorText = null;
+    });
+
+    PromoValidation validation;
+    try {
+      validation = widget.onValidate != null
+          ? await widget.onValidate!(code)
+          : const PromoValidation.success();
+    } catch (_) {
+      validation = const PromoValidation.failure(
+        'Не удалось проверить промокод. Попробуйте позже',
+      );
+    }
+
+    if (!mounted) return;
+
+    if (!validation.isValid) {
+      setState(() {
+        _state = _ModalState.input;
+        _errorText = validation.error;
+      });
+      _focusNode.requestFocus();
+      return;
+    }
+
+    Navigator.of(context).pop(PromoCodeResult(code: code));
+  }
+
+  void _onSkip() {
+    Navigator.of(context).pop(const PromoCodeResult());
+  }
+
+  bool get _isLoading => _state == _ModalState.loading;
+
+  @override
+  Widget build(BuildContext context) {
+    final bottomInset = MediaQuery.of(context).viewInsets.bottom;
+    final s = S.of(context);
+
+    return Padding(
+      padding: EdgeInsets.only(bottom: bottomInset),
+      child: Container(
+        width: double.infinity,
+        decoration: const BoxDecoration(
+          color: Colors.white,
+          borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
+        ),
+        padding: const EdgeInsets.fromLTRB(20, 8, 20, 20),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            const Center(child: BottomSheetHandlerBar()),
+            const SizedBox(height: 16),
+            _buildHeader(),
+            const SizedBox(height: 16),
+            const Text(
+              'Промокод',
+              style: TextStyle(
+                fontSize: 13,
+                color: Color(0xFF6B7684),
+              ),
+            ),
+            const SizedBox(height: 8),
+            _buildField(),
+            const SizedBox(height: 8),
+            _buildHint(),
+            const SizedBox(height: 12),
+            _buildApplyButton(s),
+            const SizedBox(height: 6),
+            _buildSkipButton(s),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildHeader() {
+    final s = S.of(context);
+    return Text(
+      s.have_promo_code_form,
+      style: TextStyles.headingXLSemibold.copyWith(color: appTheme.black),
+    );
+  }
+
+  Widget _buildField() {
+    final hasError = _errorText != null;
+    final s = S.of(context);
+
+    return AnimatedContainer(
+      duration: const Duration(milliseconds: 150),
+      decoration: BoxDecoration(
+        color: appTheme.gray100,
+        borderRadius: BorderRadius.circular(12),
+        border: Border.all(
+          width: 2,
+          color: hasError
+              ? appTheme.red
+              : (_focusNode.hasFocus
+                  ? appTheme.blueA400
+                  : Colors.transparent),
+        ),
+      ),
+      child: Row(
+        children: [
+          Expanded(
+            child: TextField(
+              controller: _controller,
+              focusNode: _focusNode,
+              enabled: !_isLoading,
+              textCapitalization: TextCapitalization.characters,
+              onChanged: (_) {
+                if (_errorText != null) {
+                  setState(() => _errorText = null);
+                }
+              },
+              onSubmitted: (_) => _apply(),
+              decoration: InputDecoration(
+                hintText: s.enter_promo_code,
+                hintStyle: const TextStyle(
+                  color: Color(0xFF9AA3AF),
+                ),
+                border: InputBorder.none,
+                isDense: true,
+                contentPadding: const EdgeInsets.symmetric(
+                  horizontal: 16,
+                  vertical: 14,
+                ),
+              ),
+              style: const TextStyle(
+                fontSize: 15,
+                color: Color(0xFF24303F),
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildHint() {
+    final String text;
+    final Color color;
+
+    if (_errorText != null) {
+      text = _errorText!;
+      color = appTheme.red;
+    } else {
+      text = '';
+      color = Colors.transparent;
+    }
+
+    return SizedBox(
+      height: 19,
+      child: Text(
+        text,
+        style: TextStyle(fontSize: 13, color: color),
+        overflow: TextOverflow.ellipsis,
+      ),
+    );
+  }
+
+  Widget _buildApplyButton(S s) {
+    return SizedBox(
+      height: 50,
+      child: FilledButton(
+        onPressed: _isLoading ? null : _apply,
+        style: FilledButton.styleFrom(
+          backgroundColor: appTheme.blueA400,
+          foregroundColor: appTheme.whiteA700,
+          disabledBackgroundColor: appTheme.blueA400.withValues(alpha: 0.55),
+          shape: const StadiumBorder(),
+          textStyle: const TextStyle(
+            fontSize: 15,
+            fontWeight: FontWeight.w600,
+          ),
+        ),
+        child: _isLoading
+            ? const SizedBox(
+                width: 20,
+                height: 20,
+                child: CircularProgressIndicator(
+                  strokeWidth: 2.5,
+                  color: Colors.white,
+                ),
+              )
+            : Text(s.apply),
+      ),
+    );
+  }
+
+  Widget _buildSkipButton(S s) {
+    return SizedBox(
+      height: 46,
+      child: TextButton(
+        onPressed: _isLoading ? null : _onSkip,
+        style: TextButton.styleFrom(
+          foregroundColor: appTheme.blueA400,
+          shape: const StadiumBorder(),
+          textStyle: const TextStyle(fontSize: 14),
+        ),
+        child: Text(s.skip),
+      ),
+    );
+  }
+}
--- a/lib/features/payment/presentation/widgets/sbp_banks_bottom_sheet.dart
+++ b/lib/features/payment/presentation/widgets/sbp_banks_bottom_sheet.dart
@@ -0,0 +1,224 @@
+import 'package:cached_network_image/cached_network_image.dart';
+import 'package:eatvio_app/core/locator_service.dart';
+import 'package:eatvio_app/core/theme/custom_text_style.dart';
+import 'package:eatvio_app/core/theme/theme_helper.dart';
+import 'package:eatvio_app/core/widgets/bottom_sheet_handler_bar.dart';
+import 'package:eatvio_app/core/widgets/bottom_sheet_with_blur.dart';
+import 'package:eatvio_app/core/widgets/custom_outlined_button.dart';
+import 'package:eatvio_app/core/widgets/loader.dart';
+import 'package:eatvio_app/features/payment/presentation/cubit/consultation_payment_cubit/consultation_payment_cubit.dart';
+import 'package:eatvio_app/features/payment/presentation/cubit/consultation_payment_cubit/consultation_payment_state.dart';
+import 'package:eatvio_app/generated/l10n.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:sbp/models/c2bmembers_model.dart';
+
+/// Показывает bottom sheet выбора банка СБП для оплаты консультации.
+Future<void> showSbpBanksBottomSheet(BuildContext context, {required int planId}) {
+  final height = MediaQuery.sizeOf(context).height * 0.55;
+  return showBottomSheetWithBlur(
+    context: context,
+    height: height,
+    child: SbpBanksBottomSheet(planId: planId),
+  );
+}
+
+/// Bottom sheet со списком установленных банков СБП.
+///
+/// При открытии вызывает [ConsultationPaymentCubit.startPayment] с [planId]
+/// и показывает [Loader], пока загружаются checkout_url и список банков.
+class SbpBanksBottomSheet extends StatefulWidget {
+  const SbpBanksBottomSheet({super.key, required this.planId, this.cubit});
+
+  final int planId;
+  final ConsultationPaymentCubit? cubit;
+
+  @override
+  State<SbpBanksBottomSheet> createState() => _SbpBanksBottomSheetState();
+}
+
+class _SbpBanksBottomSheetState extends State<SbpBanksBottomSheet> {
+  late final ConsultationPaymentCubit _cubit;
+  late final bool _ownsCubit;
+
+  @override
+  void initState() {
+    super.initState();
+    _ownsCubit = widget.cubit == null;
+    _cubit = widget.cubit ?? sl<ConsultationPaymentCubit>();
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _cubit.startPayment(planId: widget.planId);
+    });
+  }
+
+  @override
+  void dispose() {
+    if (_ownsCubit) {
+      _cubit.close();
+    }
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final s = S.of(context);
+    return BlocProvider<ConsultationPaymentCubit>.value(
+      value: _cubit,
+      child: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 16),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            const SizedBox(height: 8),
+            const BottomSheetHandlerBar(),
+            const SizedBox(height: 20),
+            Text(
+              s.choose_bank_for_payment,
+              style: TextStyles.headingXLSemibold.copyWith(color: appTheme.black),
+              textAlign: TextAlign.center,
+            ),
+            const SizedBox(height: 16),
+            Expanded(
+              child: BlocBuilder<ConsultationPaymentCubit, ConsultationPaymentState>(
+                builder: (context, state) {
+                  if (state.isLoading) {
+                    return const Loader();
+                  }
+                  if (state.errorMessage != null) {
+                    return _ErrorContent(
+                      message: s.sbp_payment_error,
+                      onOk: () {
+                        final navigator = Navigator.of(context);
+                        if (navigator.canPop()) {
+                          navigator.pop();
+                        }
+                      },
+                    );
+                  }
+                  if (state.banks.isEmpty) {
+                    return Center(
+                      child: Text(
+                        s.no_installed_banks,
+                        style: TextStyles.textMMedium.copyWith(color: appTheme.black),
+                        textAlign: TextAlign.center,
+                      ),
+                    );
+                  }
+                  return ListView.separated(
+                    itemCount: state.banks.length,
+                    separatorBuilder: (_, _) => const SizedBox(height: 8),
+                    itemBuilder: (context, index) {
+                      final bank = state.banks[index];
+                      return _BankTile(bank: bank, onTap: () => _onBankTap(bank));
+                    },
+                  );
+                },
+              ),
+            ),
+            const SizedBox(height: 16),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Future<void> _onBankTap(C2bmemberModel bank) async {
+    final opened = await _cubit.openBank(bank: bank);
+    if (opened && mounted) {
+      final navigator = Navigator.of(context);
+      if (navigator.canPop()) {
+        navigator.pop();
+      }
+    }
+  }
+}
+
+class _BankTile extends StatelessWidget {
+  const _BankTile({required this.bank, required this.onTap});
+
+  final C2bmemberModel bank;
+  final VoidCallback onTap;
+
+  @override
+  Widget build(BuildContext context) {
+    final name = bank.localName ?? bank.bankName;
+    return InkWell(
+      onTap: onTap,
+      borderRadius: BorderRadius.circular(12),
+      child: Padding(
+        padding: const EdgeInsets.symmetric(vertical: 10, horizontal: 4),
+        child: Row(
+          children: [
+            _BankIcon(bank: bank),
+            const SizedBox(width: 12),
+            Expanded(
+              child: Text(name, style: TextStyles.textLSemibold.copyWith(color: appTheme.black)),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _BankIcon extends StatelessWidget {
+  const _BankIcon({required this.bank});
+
+  final C2bmemberModel bank;
+
+  @override
+  Widget build(BuildContext context) {
+    if (bank.icon.isNotEmpty) {
+      return ClipRRect(
+        borderRadius: BorderRadius.circular(8),
+        child: CachedNetworkImage(
+          imageUrl: bank.logoURL,
+          width: 40,
+          height: 40,
+          placeholder: (context, url) => _placeholder(),
+          errorWidget: (context, url, error) => _placeholder(),
+        ),
+      );
+    }
+    return _placeholder();
+  }
+
+  Widget _placeholder() {
+    return Container(
+      width: 40,
+      height: 40,
+      decoration: BoxDecoration(color: appTheme.blueA400.withValues(alpha: 0.12), borderRadius: BorderRadius.circular(8)),
+      child: Icon(Icons.account_balance, color: appTheme.blueA400, size: 22),
+    );
+  }
+}
+
+class _ErrorContent extends StatelessWidget {
+  const _ErrorContent({required this.message, required this.onOk});
+
+  final String message;
+  final VoidCallback onOk;
+
+  @override
+  Widget build(BuildContext context) {
+    final s = S.of(context);
+    return Column(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: [
+        Text(
+          message,
+          style: TextStyles.textMMedium.copyWith(color: appTheme.black),
+          textAlign: TextAlign.center,
+        ),
+        const SizedBox(height: 16),
+        CustomOutlinedButton(
+          text: s.ok,
+          height: 52,
+          buttonTextStyle: TextStyles.textMSemibold.copyWith(color: appTheme.whiteA700),
+          buttonStyle: ButtonStyle(side: const WidgetStatePropertyAll(BorderSide.none), backgroundColor: WidgetStatePropertyAll(appTheme.blueA400)),
+          onPressed: onOk,
+        ),
+      ],
+    );
+  }
+}
--- a/lib/features/payment/repositories/payment_repository.dart
+++ b/lib/features/payment/repositories/payment_repository.dart
@@ -0,0 +1,18 @@
+import 'package:eatvio_app/features/chat/models/payment_model.dart';
+import 'package:eatvio_app/features/chat/services/chat_service.dart';
+
+/// Репозиторий оплаты консультаций (chosen_plan) через Alfa Bank / СБП.
+class PaymentRepository {
+  final ChatService chatService;
+
+  PaymentRepository({required this.chatService});
+
+  /// Запускает процесс оплаты: POST `/api/chosen_plans/{id}/start_payment_process`
+  /// с `payment_provider: alfa-bank`.
+  Future<PaymentModel> startPaymentProcess({required int planId}) async {
+    return chatService.getPaymentLink(
+      id: planId,
+      body: const {'payment_provider': 'alfa-bank'},
+    );
+  }
+}
--- a/lib/features/payment/repositories/sbp_repository.dart
+++ b/lib/features/payment/repositories/sbp_repository.dart
@@ -0,0 +1,27 @@
+import 'package:eatvio_app/features/payment/services/sbp_service.dart';
+import 'package:sbp/models/c2bmembers_model.dart';
+
+/// Репозиторий оплаты по СБП: обёртка над [SbpService] с graceful-обработкой
+/// ошибок нативного плагина (отсутствие установленных банков, недоступность
+/// сервисов на устройстве, в т.ч. на Huawei HMS и т.п.).
+///
+/// Возвращает управляемые значения вместо проброса исключений, чтобы UI мог
+/// показать fallback (например, открыть checkout_url в браузере/WebView).
+class SbpRepository {
+  final SbpService sbpService;
+
+  SbpRepository({required this.sbpService});
+
+  /// Возвращает установленные банки СБП либо пустой список при ошибке плагина.
+  Future<List<C2bmemberModel>> getInstalledBanks() async {
+    return await sbpService.getInstalledBanks();
+  }
+
+  /// Открывает банк для оплаты. Возвращает `false` при ошибке плагина.
+  Future<bool> openBank({
+    required String url,
+    required C2bmemberModel bank,
+  }) async {
+    return await sbpService.openBank(url: url, bank: bank);
+  }
+}
--- a/lib/features/payment/services/sbp_service.dart
+++ b/lib/features/payment/services/sbp_service.dart
@@ -0,0 +1,43 @@
+import 'package:sbp/data/c2bmembers_data.dart';
+import 'package:sbp/models/c2bmembers_model.dart';
+import 'package:sbp/sbp.dart' as sbp;
+
+/// Контракт обёртки над нативным плагином СБП (Система Быстрых Платежей).
+///
+/// Статичные методы класса [Sbp] из пакета `sbp` работают через MethodChannel,
+/// поэтому не поддаются прямому мокированию в тестах. Этот интерфейс вводится
+/// для тестируемости и возможности подмены реализации (см. [SbpServiceImpl]).
+abstract class SbpService {
+  /// Возвращает список банков, установленных на устройстве пользователя
+  /// и поддерживающих оплату по СБП.
+  Future<List<C2bmemberModel>> getInstalledBanks();
+
+  /// Открывает банковское приложение [bank] для оплаты по ссылке [url]
+  /// (checkout_url вида `https://qr.nspk.ru/...`).
+  ///
+  /// Возвращает `true`, если приложение банка успешно запущено.
+  Future<bool> openBank({required String url, required C2bmemberModel bank});
+}
+
+/// Реализация [SbpService], делегирующая вызовы в статичные методы пакета `sbp`.
+class SbpServiceImpl implements SbpService {
+  const SbpServiceImpl();
+
+  @override
+  Future<List<C2bmemberModel>> getInstalledBanks() {
+    // Используем встроенный справочник банков c2bmembersData (получаемый с
+    // https://qr.nspk.ru/proxyapp/c2bmembers.json) и фильтруем только те, что
+    // установлены на устройстве. Локальные иконки/названия включены, чтобы UI
+    // не зависел от сетевой загрузки логотипов.
+    return sbp.Sbp.getInstalledBanks(
+      C2bmembersModel.fromJson(c2bmembersData),
+      useAndroidLocalIcons: true,
+      useAndroidLocalNames: true,
+    );
+  }
+
+  @override
+  Future<bool> openBank({required String url, required C2bmemberModel bank}) {
+    return sbp.Sbp.openBank(url, bank);
+  }
+}
--- a/lib/features/plans/enums/chosen_plan_state_enum.dart
+++ b/lib/features/plans/enums/chosen_plan_state_enum.dart
@@ -30,7 +30,9 @@ enum ChosenPlanStateEnum {
  @JsonValue('personal_diet_setted')
  personalDietSet,
  @JsonValue('charge_was_collected')
-  stateChargeWasCollected;
+  stateChargeWasCollected,
+  @JsonValue('payment_failed')
+  statePaymentFailed;

  static List<ChosenPlanStateEnum> getShowableChatBadgeStates() {
    return [
@@ -53,6 +55,7 @@ enum ChosenPlanStateEnum {
      case ChosenPlanStateEnum.stateInCoordination:
      case ChosenPlanStateEnum.stateStartDateHasBeenSet:
      case ChosenPlanStateEnum.statePendingPayment:
+      case ChosenPlanStateEnum.statePaymentFailed:
        return false;
      default:
        return true;
@@ -68,7 +71,7 @@ enum ChosenPlanStateEnum {
      ChosenPlanStateEnum.stateLastDayFinished,
      ChosenPlanStateEnum.stateComplained,
      ChosenPlanStateEnum.stateDone,
-      ChosenPlanStateEnum.personalDietSet
+      ChosenPlanStateEnum.personalDietSet,
    ];
  }
 }