update flash sale

lib/configs/api_paths.dart

@@ -96,6 +96,8 @@ class APIPaths {//sandbox
   static const String getCampaignMissions = "/campaign/api/v3.0/%@/missions";
   static const String getCampaignReward = "/campaign/api/v3.0/%@/reward";
   static const String submitCampaignMission = "/campaign/api/v3.0/%@/mission/%@/submit";
+  static const String getFlashSaleGroup = "/campaign/api/v3.0/flash_sale/group/%@";
+  static const String getFlashSaleDetail = "/campaign/api/v3.0/flash_sale/detail/%@";
   static const String getQuizCampaign = "/quiz/api/v1.0/quiz/%@/";
   static const String quizSubmitCampaign = "/quiz/api/v1.0/quiz/%@/submit/";
   static const String getCurrentDevice = "/user/api/v2.0/devices/current";
@@ -119,4 +121,4 @@ class APIPaths {//sandbox
   static const String myProductMarkAsUsed = "/myProductMarkAsUsed/1.0.0";
   static const String myProductMarkAsNotUsedYet = "/myProductMarkAsNotUsedYet/1.0.0";
   static const String submitCampaignViewVoucherComplete = "/campaign/api/v3.0/view-voucher/complete";
-}
\ No newline at end of file
+}

lib/core/app_initializer.dart

@@ -77,9 +77,15 @@ class AppInitializer {
   static Future<void> _configureWebSdkHeader() async {
     try {
       final response = await webConfigUIApp({
+        'mode': 'mini',
+        'iconNavigationColor': '#000000',
+        'navigationColor': '#FFFFFF',
+        'iconNavigationPosision': 'right',
         'headerTitle': 'MyPoint',
-        'headerColor': '#E71D28',
-        'headerTextColor': '#ffffff',
+        // 'headerSubTitle': 'Tích điểm - đổi quà nhanh chóng',
+        // 'headerColor': '#ffffff',
+        // 'headerTextColor': '#000000',
+        // 'headerIcon': 'https://cdn.mypoint.vn/app_assets/mypoint_icon.png',
       });
       if (response != null && kDebugMode) {
         print('🧭 x-app-sdk header configured: $response');

lib/directional/directional_action_type.dart

@@ -101,29 +101,6 @@ enum DirectionalScreenName {
   linkMBPAccount,
 }
 
-extension DirectionalScreenRouterExtension on DirectionalScreenName {
-  String get router {
-    switch (this) {
-      case DirectionalScreenName.setting:
-        return settingScreen;
-      case DirectionalScreenName.notifications:
-        return notificationScreen;
-      case DirectionalScreenName.home:
-        return mainScreen;
-      case DirectionalScreenName.productOwnVoucher:
-        return voucherDetailScreen;
-      case DirectionalScreenName.customerSupport:
-        return supportScreen;
-      case DirectionalScreenName.pointHunting:
-        return achievementListScreen;
-      case DirectionalScreenName.orderMenu:
-        return orderMenuScreen;
-      default:
-        return '';
-    }
-  }
-}
-
 extension DirectionalScreenNameExtension on DirectionalScreenName {
   String get rawValue {
     switch (this) {

lib/directional/directional_screen.dart

@@ -6,6 +6,7 @@ import 'package:mypoint_flutter_app/extensions/string_extension.dart';
 import 'package:mypoint_flutter_app/networking/restful_api_client_all_request.dart';
 import 'package:mypoint_flutter_app/preference/data_preference.dart';
 import 'package:mypoint_flutter_app/widgets/alert/popup_data_model.dart';
+import 'package:permission_handler/permission_handler.dart';
 import 'package:url_launcher/url_launcher.dart';
 import 'package:uuid/uuid.dart';
 import '../configs/constants.dart';
@@ -34,12 +35,11 @@ class DirectionalScreen {
   DirectionalScreen._({this.clickActionType, this.clickActionParam, this.popup});
 
   factory DirectionalScreen.fromJson(Map<String, dynamic> json) => DirectionalScreen._(
-    clickActionType: json['click_action_type'] as String?,
-    clickActionParam: json['click_action_param'] as String?,
-    popup: json['popup'] != null ? PopupDataModel.fromJson(json['popup'] as Map<String, dynamic>) : null,
+    clickActionType: json[Defines.actionType] as String?,
+    clickActionParam: json[Defines.actionParams] as String?,
   );
 
-  Map<String, dynamic> toJson() => {'click_action_type': clickActionType, 'click_action_param': clickActionParam};
+  Map<String, dynamic> toJson() => {Defines.actionType: clickActionType, Defines.actionParams: clickActionParam};
 
   static DirectionalScreen? build({String? clickActionType, String? clickActionParam}) {
     if ((clickActionType ?? "").isEmpty) return null;
@@ -63,6 +63,10 @@ class DirectionalScreen {
       return false;
     }
     switch (type) {
+      case DirectionalScreenName.flashSale:
+        if ((clickActionParam ?? '').isEmpty) return false;
+        Get.toNamed(flashSaleScreen, arguments: {"groupId": clickActionParam});
+        return true;
       case DirectionalScreenName.brand:
         if ((clickActionParam ?? '').isEmpty) return false;
         Get.toNamed(affiliateBrandDetailScreen, arguments: {"brandId": clickActionParam});
@@ -77,19 +81,9 @@ class DirectionalScreen {
         final storeUrl = 'https://itunes.apple.com/app/id${Constants.appStoreId}?action=write-review';
         openStringUrlExternally(storeUrl);
         return true;
-      // case DirectionalScreenName.historyInvitedFriend:
-      // case DirectionalScreenName.screenAddInvitationCode:
-      //   // TODO: Lịch sử mời bạn – cần màn tương ứng
-      //   return false;
       case DirectionalScreenName.rateStorePopup:
         _requestAppReview();
         return false;
-      //   return false;
-      // case DirectionalScreenName.shoppingOnline:
-      // case DirectionalScreenName.partnerRedirect:
-      //   return false;
-      // case DirectionalScreenName.brandOffline:
-      //   return false;
       case DirectionalScreenName.pipiScreen:
         Get.bottomSheet(const PipiDetailScreen(), isScrollControlled: true, backgroundColor: Colors.transparent);
         return true;
@@ -158,9 +152,7 @@ class DirectionalScreen {
         final body = Uri.encodeComponent(contentDecoded);
         // iOS: &body=..., Android: ?body=...
         final isIOS = defaultTargetPlatform == TargetPlatform.iOS;
-        final urlStr = isIOS
-            ? 'sms:$phone&body=$body'
-            : 'sms:$phone?body=$body';
+        final urlStr = isIOS ? 'sms:$phone&body=$body' : 'sms:$phone?body=$body';
         final uri = Uri.parse(urlStr);
         print('Mở SMS: $uri phone=$phone, content=$content');
         _openUrlExternally(uri);
@@ -252,7 +244,7 @@ class DirectionalScreen {
       case DirectionalScreenName.dailyCheckin || DirectionalScreenName.dailyCheckinScreen:
         Get.toNamed(dailyCheckInScreen);
         return true;
-      case DirectionalScreenName.favorite:
+      case DirectionalScreenName.favorite || DirectionalScreenName.productVoucherLike:
         Get.toNamed(vouchersScreen, arguments: {"favorite": true});
         return true;
       case DirectionalScreenName.transactionHistories:
@@ -315,12 +307,69 @@ class DirectionalScreen {
         if ((clickActionParam ?? '').isEmpty) return false;
         _handleLinkMBPAccount();
         return true;
+      case DirectionalScreenName.notifications:
+        Get.toNamed(notificationScreen);
+        return true;
+      case DirectionalScreenName.notification:
+        if ((clickActionParam ?? '').isEmpty) {
+          final title = (extraData?['title'] as String?).orEmpty;
+          final body = (extraData?['body'] as String?).orEmpty;
+          if (title.isNotEmpty && body.isNotEmpty) {
+            Get.toNamed(notificationDetailScreen, arguments: {"title": title, "body": body});
+            return true;
+          }
+          return false;
+        }
+        Get.toNamed(notificationDetailScreen, arguments: {"notificationId": clickActionParam});
+        return true;
+      case DirectionalScreenName.detailTrafficService:
+        if ((clickActionParam ?? '').isEmpty) return false;
+        Get.toNamed(trafficServiceDetailScreen, arguments: {"serviceId": clickActionParam});
+        return true;
+      case DirectionalScreenName.appScreen:
+        if ((clickActionParam ?? '').isEmpty) return false;
+        final direction = DirectionalScreen.build(clickActionType: clickActionParam);
+        direction?.begin();
+        return true;
+      case DirectionalScreenName.transaction:
+        if ((clickActionParam ?? '').isEmpty) return false;
+        Get.toNamed(transactionHistoryDetailScreen, arguments: {"orderId": clickActionParam});
+        return true;
+      case DirectionalScreenName.applicationSetting:
+        openAppSettings();
+        return true;
+      case DirectionalScreenName.cashBackPointPartnerDetail:
+        if ((clickActionParam ?? '').isEmpty) return false;
+        Get.toNamed(affiliateBrandDetailScreen, arguments: {"brandId": clickActionParam});
+        return true;
+      case DirectionalScreenName.viewGift ||
+          DirectionalScreenName.feedback ||
+          DirectionalScreenName.ranking ||
+          DirectionalScreenName.inputReferralCode ||
+          DirectionalScreenName.shoppingOnline ||
+          DirectionalScreenName.partnerRedirect ||
+          DirectionalScreenName.brandOffline ||
+          DirectionalScreenName.customerTransferPoint ||
+          DirectionalScreenName.home ||
+          DirectionalScreenName.brandList ||
+          DirectionalScreenName.brandLike ||
+          DirectionalScreenName.register ||
+          DirectionalScreenName.walkingCampaign ||
+          DirectionalScreenName.gameWorldCup2022 ||
+          DirectionalScreenName.vietlott ||
+          DirectionalScreenName.unknown:
+        _logUnsupported(type);
+        return false;
       default:
         print("Không nhận diện được action type: $clickActionType");
         return false;
     }
   }
 
+  void _logUnsupported(DirectionalScreenName type) {
+    print("⚠️ Chưa hỗ trợ điều hướng action type: ${type.rawValue}");
+  }
+
   void _handleLinkMBPAccount() {
     final phone = clickActionParam.orEmpty;
     if (phone.isEmpty) return;
@@ -357,6 +406,13 @@ class DirectionalScreen {
     await DataPreference.instance.clearData();
     Get.offAllNamed(loginScreen, arguments: {"phone": phone, 'password': password});
   }
+
+  Future<void> openSystemSettings() async {
+    final opened = await openAppSettings();
+    if (!opened) {
+      debugPrint('⚠️ Không mở được trang cài đặt hệ thống');
+    }
+  }
 }
 
 Future<bool> forceOpen({required Uri url, LaunchMode mode = LaunchMode.platformDefault}) async {
@@ -405,10 +461,7 @@ Future<bool> _safeOpenUrl(Uri url, {LaunchMode preferred = LaunchMode.platformDe
         final ok = await launchUrl(
           url,
           mode: mode,
-          webViewConfiguration: const WebViewConfiguration(
-            enableJavaScript: true,
-            headers: <String, String>{},
-          ),
+          webViewConfiguration: const WebViewConfiguration(enableJavaScript: true, headers: <String, String>{}),
         );
         if (ok) return true;
       } catch (_) {

lib/extensions/num_extension.dart

@@ -28,7 +28,7 @@ extension NumExtension on num {
 }
 
 enum CurrencyUnit {
-  vnd(' đ'),
+  vnd('đ'),
   usd(' USD'),
   eur(' EUR'),
   none(' '),

lib/firebase/push_notification.dart

@@ -74,16 +74,22 @@ class PushNotification {
       if (kDebugMode) print('From info - name: $name, param: $param');
     }
 
+    DirectionalScreen? screen;
     if (name != null || param != null) {
       if (kDebugMode) print('Building DirectionalScreen with name: $name, param: $param');
-      return DirectionalScreen.build(clickActionType: name, clickActionParam: param);
+      screen = DirectionalScreen.build(clickActionType: name, clickActionParam: param);
     }
     
     if (kDebugMode) {
       print('No action data found, using default notification screen with ID: $id');
       print('Title: $title, Body: $body');
     }
-    return DirectionalScreen.buildByName(name: DirectionalScreenName.notification, clickActionParam: id);
+    screen ??= DirectionalScreen.buildByName(name: DirectionalScreenName.notification, clickActionParam: id);
+    screen?.extraData = {
+      'title': title,
+      'body': body,
+    };
+    return screen;
     // TODO handel title + body
   }
 

lib/networking/restful_api_client_all_request.dart

@@ -36,6 +36,8 @@ import '../screen/device_manager/device_manager_model.dart';
 import '../screen/electric_payment/models/customer_contract_object_model.dart';
 import '../screen/electric_payment/models/electric_payment_response_model.dart';
 import '../screen/faqs/faqs_model.dart';
+import '../screen/flash_sale/models/flash_sale_category_model.dart';
+import '../screen/flash_sale/models/flash_sale_detail_response.dart';
 import '../screen/game/models/game_bundle_item_model.dart';
 import '../screen/history_point_cashback/models/history_point_cashback_model.dart';
 import '../screen/home/models/achievement_model.dart';
@@ -886,6 +888,51 @@ extension RestfulAPIClientAllRequest on RestfulAPIClient {
     });
   }
 
+  Future<BaseResponseModel<List<FlashSaleCategoryModel>>> getFlashSaleCategories(String groupId) async {
+    final path = APIPaths.getFlashSaleGroup.replaceFirst('%@', groupId);
+    return requestNormal(path, Method.GET, const {}, (data) {
+      if (data is List) {
+        return data.whereType<Map<String, dynamic>>().map(FlashSaleCategoryModel.fromJson).toList();
+      }
+      if (data is Map<String, dynamic>) {
+        final categories = data['categories'] ?? data['data'] ?? data['items'];
+        if (categories is List) {
+          return categories.whereType<Map<String, dynamic>>().map(FlashSaleCategoryModel.fromJson).toList();
+        }
+        if (data.containsKey('_id')) {
+          return [FlashSaleCategoryModel.fromJson(Map<String, dynamic>.from(data))];
+        }
+      }
+      return <FlashSaleCategoryModel>[];
+    });
+  }
+
+  Future<BaseResponseModel<FlashSaleDetailResponse>> getFlashSaleDetail({
+    required String groupId,
+    int index = 0,
+    int size = 10,
+    int? categoryId,
+  }) async {
+    final path = APIPaths.getFlashSaleDetail.replaceFirst('%@', groupId);
+    final params = <String, dynamic>{
+      'index': index,
+      'size': size,
+      if (categoryId != null) 'category_id': categoryId,
+    };
+    return requestNormal(path, Method.GET, params, (data) {
+      if (data is Map<String, dynamic>) {
+        return FlashSaleDetailResponse.fromJson(data);
+      }
+      if (data is List && data.isNotEmpty) {
+        final first = data.first;
+        if (first is Map<String, dynamic>) {
+          return FlashSaleDetailResponse.fromJson(first);
+        }
+      }
+      return FlashSaleDetailResponse(products: <ProductModel>[]);
+    });
+  }
+
   Future<BaseResponseModel<DeviceItemModel>> getCurrentDevice() async {
     return requestNormal(APIPaths.getCurrentDevice, Method.GET, {}, (data) {
       return DeviceItemModel.fromJson(data as Json);
@@ -1079,4 +1126,4 @@ extension RestfulAPIClientAllRequest on RestfulAPIClient {
       return SubmitViewVoucherCompletedResponse.fromJson(data as Json);
     });
   }
-}
\ No newline at end of file
+}

lib/screen/flash_sale/flash_sale_screen.dart

+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:mypoint_flutter_app/base/base_screen.dart';
+import 'package:mypoint_flutter_app/base/basic_state.dart';
+import 'package:mypoint_flutter_app/extensions/num_extension.dart';
+import 'package:mypoint_flutter_app/screen/flash_sale/flash_sale_viewmodel.dart';
+import 'package:mypoint_flutter_app/screen/flash_sale/models/flash_sale_category_model.dart';
+import 'package:mypoint_flutter_app/screen/voucher/models/product_model.dart';
+import 'package:mypoint_flutter_app/widgets/custom_empty_widget.dart';
+import 'package:mypoint_flutter_app/widgets/image_loader.dart';
+import '../../shared/router_gage.dart';
+import '../../widgets/custom_navigation_bar.dart';
+
+class FlashSaleScreen extends BaseScreen {
+  const FlashSaleScreen({super.key});
+
+  @override
+  State<StatefulWidget> createState() => _FlashSaleScreenState();
+}
+
+class _FlashSaleScreenState extends BaseState<FlashSaleScreen> with BasicState {
+  late final FlashSaleViewModel _viewModel;
+
+  @override
+  void initState() {
+    super.initState();
+    final args = Get.arguments;
+    final dynamic rawId = args is Map ? (args['groupId'] ?? args['id']) : args;
+    final String groupId = (rawId == null || rawId.toString().isEmpty) ? '294' : rawId.toString();
+    _viewModel = Get.put(FlashSaleViewModel(groupId: groupId));
+    _viewModel.onShowAlertError ??= (message) => showAlertError(content: message);
+  }
+
+  @override
+  Widget createBody() {
+    return Scaffold(
+      backgroundColor: Colors.grey[200],
+      appBar: const CustomNavigationBar(title: 'Flash Sale'),
+      body: NotificationListener<ScrollNotification>(
+        onNotification: (notification) {
+          if (notification is ScrollUpdateNotification &&
+              notification.metrics.axis == Axis.vertical &&
+              notification.metrics.pixels >= notification.metrics.maxScrollExtent - 200) {
+            _viewModel.loadMore();
+          }
+          return false;
+        },
+        child: RefreshIndicator(
+          onRefresh: _viewModel.refresh,
+          child: CustomScrollView(
+            physics: const AlwaysScrollableScrollPhysics(),
+            slivers: [
+              SliverToBoxAdapter(child: Obx(() => _buildCategorySection())),
+              SliverToBoxAdapter(child: Obx(() => _buildCountdownSection())),
+              Obx(() => _buildProductSliver()),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildCategorySection() {
+    final categories = _viewModel.categories;
+    if (categories.isEmpty) return const SizedBox.shrink();
+    final selectedId = _viewModel.selectedCategoryId.value ?? FlashSaleViewModel.allCategory.id;
+    return Container(
+      color: Colors.white,
+      height: 72,
+      child: ListView.separated(
+        scrollDirection: Axis.horizontal,
+        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+        itemCount: categories.length,
+        separatorBuilder: (_, _) => const SizedBox(width: 8),
+        itemBuilder: (_, index) {
+          final category = categories[index];
+          final bool isSelected = selectedId == category.id;
+          return _buildCategoryChip(category, isSelected);
+        },
+      ),
+    );
+  }
+
+  Widget _buildCategoryChip(FlashSaleCategoryModel category, bool isSelected) {
+    final Color accent = isSelected ? const Color(0xFFE53935) : const Color(0xFFE0E0E0);
+    final Color textColor = isSelected ? const Color(0xFFE53935) : Colors.black87;
+    return GestureDetector(
+      onTap: () => _viewModel.onCategorySelected(category),
+      child: Container(
+        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+        decoration: BoxDecoration(
+          color: Colors.white,
+          borderRadius: BorderRadius.circular(8),
+          border: Border.all(color: accent, width: 1),
+        ),
+        child: Center(
+          child: Text(category.name ?? '', style: TextStyle(color: textColor, fontWeight: FontWeight.w600)),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildCountdownSection() {
+    final sale = _viewModel.products.firstOrNull?.previewFlashSale;
+    if (sale == null) return const SizedBox.shrink();
+    final duration = _viewModel.remaining.value;
+    final bool isCounting = duration.inSeconds > 0;
+    final label = (sale.desTime ?? 'Kết thúc trong').toUpperCase();
+    return Container(
+      padding: const EdgeInsets.only(left: 16, right: 16, top: 12, bottom: 0),
+      child: Row(
+        children: [
+          const Spacer(),
+          Text(label, style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w700, color: Colors.black54)),
+          const SizedBox(width: 12),
+          _buildTimeChip(_formatTwoDigits(duration.inHours)),
+          const SizedBox(width: 4),
+          const Text(':', style: TextStyle(fontWeight: FontWeight.bold)),
+          const SizedBox(width: 4),
+          _buildTimeChip(_formatTwoDigits(duration.inMinutes.remainder(60))),
+          const SizedBox(width: 4),
+          const Text(':', style: TextStyle(fontWeight: FontWeight.bold)),
+          const SizedBox(width: 4),
+          _buildTimeChip(_formatTwoDigits(duration.inSeconds.remainder(60))),
+          if (!isCounting)
+            const Text(
+              'Đã kết thúc',
+              style: TextStyle(fontSize: 12, color: Colors.redAccent, fontWeight: FontWeight.w600),
+            ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildTimeChip(String value) {
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 4),
+      decoration: BoxDecoration(color: const Color(0xFF212121), borderRadius: BorderRadius.circular(6)),
+      child: Text(value, style: const TextStyle(color: Colors.white, fontWeight: FontWeight.bold)),
+    );
+  }
+
+  Widget _buildProductSliver() {
+    final products = _viewModel.products;
+    if (products.isEmpty) {
+      return const SliverFillRemaining(hasScrollBody: false, child: EmptyWidget());
+    }
+    final double screenWidth = MediaQuery.of(context).size.width;
+    final double itemWidth = (screenWidth - 36) / 2;
+    final bool showProgress = products.firstOrNull?.isShowProsessSoldItem ?? false;
+    // 16 space top-bottom content
+    // 24 height price
+    // 48 height name
+    final double itemHeight = itemWidth * 9 / 16 + 16 + 24 + 48 + (showProgress ? 24 : 0);
+    return SliverPadding(
+      padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
+      sliver: SliverGrid(
+        gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
+          crossAxisCount: 2,
+          mainAxisSpacing: 12,
+          crossAxisSpacing: 12,
+          childAspectRatio: itemWidth / itemHeight,
+        ),
+        delegate: SliverChildBuilderDelegate(
+          (context, index) => _buildProductCard(products[index]),
+          childCount: products.length,
+        ),
+      ),
+    );
+  }
+
+  Widget _buildProductCard(ProductModel product) {
+    final percent = product.percentDiscount;
+    final bool showProgress = product.isShowProsessSoldItem;
+    return GestureDetector(
+      onTap: () => Get.toNamed(voucherDetailScreen, arguments: {"productId": product.id}),
+      child: Container(
+        decoration: BoxDecoration(
+          color: Colors.white,
+          borderRadius: BorderRadius.circular(16),
+          boxShadow: [BoxShadow(color: Colors.black.withOpacity(0.04), blurRadius: 8, offset: const Offset(0, 4))],
+        ),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            ClipRRect(
+              borderRadius: const BorderRadius.vertical(top: Radius.circular(16)),
+              child: AspectRatio(
+                aspectRatio: 16 / 9,
+                child: Stack(
+                  fit: StackFit.expand,
+                  children: [
+                    loadNetworkImage(
+                      url: product.banner?.url ?? '',
+                      fit: BoxFit.cover,
+                      placeholderAsset: 'assets/images/bg_default_169.png',
+                    ),
+                    if (percent != null)
+                      Positioned(
+                        right: 8,
+                        bottom: 8,
+                        child: Container(
+                          padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
+                          decoration: BoxDecoration(
+                            color: const Color(0xFFE53935),
+                            borderRadius: BorderRadius.circular(20),
+                          ),
+                          child: Text(
+                            '-$percent%',
+                            style: const TextStyle(color: Colors.white, fontWeight: FontWeight.bold, fontSize: 12),
+                          ),
+                        ),
+                      ),
+                  ],
+                ),
+              ),
+            ),
+            Expanded(
+              child: Padding(
+                padding: const EdgeInsets.all(8),
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Row(
+                      children: [
+                        Image.asset('assets/images/ic_hot_flash_sale.png', width: 20, height: 20),
+                        const SizedBox(width: 4),
+                        Text(
+                          product.amountToBePaid?.money(CurrencyUnit.vnd) ?? '',
+                          style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w700, color: Colors.black87),
+                        ),
+                        if ((product.price?.value ?? 0) > 0)
+                          Padding(
+                            padding: const EdgeInsets.only(left: 4),
+                            child: Text(
+                              '${product.price?.value?.money(CurrencyUnit.noneSpace)}đ',
+                              style: const TextStyle(
+                                fontSize: 14,
+                                color: Colors.grey,
+                                decoration: TextDecoration.lineThrough,
+                              ),
+                            ),
+                          ),
+                      ],
+                    ),
+                    const SizedBox(height: 6),
+                    Text(
+                      product.name ?? '',
+                      maxLines: 2,
+                      overflow: TextOverflow.ellipsis,
+                      style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w600),
+                    ),
+                    if (showProgress) ...[
+                      const SizedBox(height: 6),
+                      Row(
+                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                        children: [
+                          SizedBox(
+                            width: 100,
+                            child: ClipRRect(
+                              borderRadius: BorderRadius.circular(4),
+                              child: LinearProgressIndicator(
+                                value: product.progress,
+                                minHeight: 6,
+                                backgroundColor: Colors.grey.shade300,
+                                valueColor: AlwaysStoppedAnimation<Color>(product.inStock ? Colors.orange : Colors.red),
+                              ),
+                            ),
+                          ),
+                          const SizedBox(width: 2),
+                          Text(
+                            product.inStock ? 'Đã bán ${product.previewFlashSale?.fsQuantitySold ?? 0}' : 'Đã bán hết',
+                            style: TextStyle(fontSize: 12, color: product.inStock ? Colors.black : Colors.grey),
+                          ),
+                        ],
+                      ),
+                    ],
+                  ],
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  String _formatTwoDigits(int value) => value.toString().padLeft(2, '0');
+}

lib/screen/flash_sale/flash_sale_viewmodel.dart

+import 'dart:async';
+import 'package:get/get.dart';
+import 'package:mypoint_flutter_app/networking/restful_api_client_all_request.dart';
+import 'package:mypoint_flutter_app/networking/restful_api_viewmodel.dart';
+import 'package:mypoint_flutter_app/screen/flash_sale/models/flash_sale_category_model.dart';
+import 'package:mypoint_flutter_app/screen/flash_sale/models/flash_sale_detail_response.dart';
+import 'package:mypoint_flutter_app/screen/voucher/models/product_model.dart';
+
+class FlashSaleViewModel extends RestfulApiViewModel {
+  final String groupId;
+  FlashSaleViewModel({required this.groupId});
+
+  static const FlashSaleCategoryModel allCategory = FlashSaleCategoryModel(id: -1, name: 'Tất cả');
+
+  final RxList<FlashSaleCategoryModel> categories = <FlashSaleCategoryModel>[].obs;
+  final RxnInt selectedCategoryId = RxnInt();
+  final RxList<ProductModel> products = <ProductModel>[].obs;
+  final Rx<FlashSaleDetailResponse?> flashSale = Rx<FlashSaleDetailResponse?>(null);
+  final RxBool hasMore = true.obs;
+  final Rx<Duration> remaining = const Duration().obs;
+  void Function(String message)? onShowAlertError;
+
+  Timer? _timer;
+  int _offset = 0;
+  final int _pageSize = 20;
+
+  @override
+  void onInit() {
+    super.onInit();
+    _loadInitialData();
+  }
+
+  Future<void> _loadInitialData({bool withLoading = true}) async {
+    if (withLoading) showLoading();
+    await fetchCategories();
+    await loadProducts(reset: true);
+    if (withLoading) hideLoading();
+  }
+
+  Future<void> fetchCategories() async {
+    await callApi<List<FlashSaleCategoryModel>>(
+      withLoading: false,
+      request: () => client.getFlashSaleCategories(groupId),
+      onSuccess: (data, _) {
+        final extended = <FlashSaleCategoryModel>[allCategory, ...data];
+        categories.assignAll(extended);
+        selectedCategoryId.value ??= allCategory.id;
+      },
+      onFailure: (_, _, _) {
+        if (categories.isEmpty) {
+          categories.assignAll(const [allCategory]);
+          selectedCategoryId.value = allCategory.id;
+        }
+      },
+    );
+  }
+
+  Future<void> loadProducts({bool reset = false}) async {
+    if (reset) {
+      _offset = 0;
+      hasMore.value = true;
+    } else {
+      _offset = products.length;
+    }
+    final categoryId = selectedCategoryId.value;
+    final int? categoryParam = (categoryId != null && categoryId != allCategory.id) ? categoryId : null;
+    await callApi<FlashSaleDetailResponse>(
+      withLoading: false,
+      request:
+          () => client.getFlashSaleDetail(groupId: groupId, index: _offset, size: _pageSize, categoryId: categoryParam),
+      onSuccess: (data, _) {
+        final fetched = data.products ?? <ProductModel>[];
+        if (reset) {
+          products.assignAll(fetched);
+        } else {
+          products.addAll(fetched);
+        }
+        hasMore.value = fetched.length >= _pageSize;
+        flashSale.value = data;
+        _restartTimer();
+      },
+      onFailure: (message, _, _) {
+        if (reset) {
+          products.clear();
+        }
+        hasMore.value = false;
+        onShowAlertError?.call(message);
+      },
+    );
+  }
+
+  Future<void> refresh() async {
+    await loadProducts(reset: true);
+  }
+
+  void onCategorySelected(FlashSaleCategoryModel category) {
+    if (selectedCategoryId.value == category.id) return;
+    selectedCategoryId.value = category.id;
+    loadProducts(reset: true);
+  }
+
+  void loadMore() {
+    if (!hasMore.value) return;
+    loadProducts(reset: false);
+  }
+
+  void _restartTimer() {
+    final info = products.firstOrNull?.previewFlashSale;
+    _timer?.cancel();
+    final target = info;
+    final int seconds = target?.countdownLocal?.inSeconds ?? target?.countdownSecond ?? 0;
+    if (seconds <= 0) {
+      remaining.value = Duration.zero;
+      return;
+    }
+    remaining.value = Duration(seconds: seconds);
+    _timer = Timer.periodic(const Duration(seconds: 1), (timer) {
+      final current = remaining.value;
+      if (current.inSeconds <= 1) {
+        remaining.value = Duration.zero;
+        timer.cancel();
+        _loadInitialData(withLoading: false);
+        return;
+      }
+      remaining.value = Duration(seconds: current.inSeconds - 1);
+    });
+  }
+
+  @override
+  void onClose() {
+    _timer?.cancel();
+    super.onClose();
+  }
+}

lib/screen/flash_sale/models/flash_sale_category_model.dart

+import 'package:json_annotation/json_annotation.dart';
+
+part 'flash_sale_category_model.g.dart';
+
+@JsonSerializable()
+class FlashSaleCategoryModel {
+  @JsonKey(name: '_id')
+  final int id;
+  final String? name;
+  @JsonKey(name: 'code')
+  final String? code;
+
+  const FlashSaleCategoryModel({required this.id, this.name, this.code});
+
+  factory FlashSaleCategoryModel.fromJson(Map<String, dynamic> json) =>
+      _$FlashSaleCategoryModelFromJson(json);
+
+  Map<String, dynamic> toJson() => _$FlashSaleCategoryModelToJson(this);
+}

lib/screen/flash_sale/models/flash_sale_category_model.g.dart

+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'flash_sale_category_model.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+FlashSaleCategoryModel _$FlashSaleCategoryModelFromJson(
+  Map<String, dynamic> json,
+) => FlashSaleCategoryModel(
+  id: (json['_id'] as num).toInt(),
+  name: json['name'] as String?,
+  code: json['code'] as String?,
+);
+
+Map<String, dynamic> _$FlashSaleCategoryModelToJson(
+  FlashSaleCategoryModel instance,
+) => <String, dynamic>{
+  '_id': instance.id,
+  'name': instance.name,
+  'code': instance.code,
+};

lib/screen/flash_sale/models/flash_sale_detail_response.dart

+import 'package:json_annotation/json_annotation.dart';
+import 'package:mypoint_flutter_app/screen/flash_sale/models/preview_flash_sale_model.dart';
+import 'package:mypoint_flutter_app/screen/voucher/models/product_model.dart';
+
+part 'flash_sale_detail_response.g.dart';
+
+@JsonSerializable()
+class FlashSaleDetailResponse {
+  final int? id;
+  @JsonKey(name: 'flash_sale')
+  final PreviewFlashSale? flashSale;
+  final List<ProductModel>? products;
+  final String? name;
+  @JsonKey(name: 'countdown_second')
+  final int? countdownSecond;
+  @JsonKey(name: 'header_img')
+  final String? headerImg;
+  @JsonKey(name: 'start_time')
+  final String? startTime;
+  @JsonKey(name: 'end_time')
+  final String? endTime;
+  @JsonKey(name: 'is_reward')
+  final bool? isReward;
+
+  FlashSaleDetailResponse({
+    this.id,
+    this.flashSale,
+    this.products,
+    this.name,
+    this.countdownSecond,
+    this.headerImg,
+    this.startTime,
+    this.endTime,
+    this.isReward,
+  });
+
+  factory FlashSaleDetailResponse.fromJson(Map<String, dynamic> json) =>
+      _$FlashSaleDetailResponseFromJson(json);
+
+  Map<String, dynamic> toJson() => _$FlashSaleDetailResponseToJson(this);
+}

lib/screen/flash_sale/models/flash_sale_detail_response.g.dart

+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'flash_sale_detail_response.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+FlashSaleDetailResponse _$FlashSaleDetailResponseFromJson(
+  Map<String, dynamic> json,
+) => FlashSaleDetailResponse(
+  id: (json['id'] as num?)?.toInt(),
+  flashSale:
+      json['flash_sale'] == null
+          ? null
+          : PreviewFlashSale.fromJson(
+            json['flash_sale'] as Map<String, dynamic>,
+          ),
+  products:
+      (json['products'] as List<dynamic>?)
+          ?.map((e) => ProductModel.fromJson(e as Map<String, dynamic>))
+          .toList(),
+  name: json['name'] as String?,
+  countdownSecond: (json['countdown_second'] as num?)?.toInt(),
+  headerImg: json['header_img'] as String?,
+  startTime: json['start_time'] as String?,
+  endTime: json['end_time'] as String?,
+  isReward: json['is_reward'] as bool?,
+);
+
+Map<String, dynamic> _$FlashSaleDetailResponseToJson(
+  FlashSaleDetailResponse instance,
+) => <String, dynamic>{
+  'id': instance.id,
+  'flash_sale': instance.flashSale,
+  'products': instance.products,
+  'name': instance.name,
+  'countdown_second': instance.countdownSecond,
+  'header_img': instance.headerImg,
+  'start_time': instance.startTime,
+  'end_time': instance.endTime,
+  'is_reward': instance.isReward,
+};

lib/screen/flash_sale/preview_flash_sale_model.dart → lib/screen/flash_sale/models/preview_flash_sale_model.dart

@@ -2,6 +2,7 @@ import 'package:json_annotation/json_annotation.dart';
 import 'package:intl/intl.dart';
 
 part 'preview_flash_sale_model.g.dart';
+
 @JsonSerializable()
 class PreviewFlashSale {
   final int? id;
@@ -126,7 +127,7 @@ class PreviewFlashSale {
   DateTime? _parseDate(String? dateStr) {
     if (dateStr == null) return null;
     try {
-      return DateFormat("yyyy-MM-dd'T'HH:mm:ss").parse(dateStr);
+      return DateFormat("yyyy-MM-dd HH:mm:ss").parse(dateStr);
     } catch (_) {
       return null;
     }

lib/screen/home/custom_widget/brand_grid_widget.dart

@@ -12,7 +12,7 @@ class BrandGridWidget extends StatelessWidget {
 
   const BrandGridWidget({super.key, required this.brands, this.sectionConfig, this.onTap});
 
-  _handleTapRightButton() {
+  void _handleTapRightButton() {
     sectionConfig?.buttonViewAll?.directionalScreen?.begin();
   }
 

lib/screen/home/custom_widget/flash_sale_carousel_widget.dart

 import 'package:flutter/material.dart';
 import 'package:mypoint_flutter_app/extensions/num_extension.dart';
+import 'package:mypoint_flutter_app/widgets/image_loader.dart';
 import '../../voucher/models/product_model.dart';
 import '../../voucher/sub_widget/voucher_section_title.dart';
 import '../models/main_section_config_model.dart';
@@ -9,15 +10,22 @@ class FlashSaleCarouselWidget extends StatefulWidget {
   final List<ProductModel> products;
   final MainSectionConfigModel? sectionConfig;
   final void Function(ProductModel)? onTap;
+  final VoidCallback? onCountdownFinished;
 
-  const FlashSaleCarouselWidget({super.key, required this.products, this.sectionConfig, this.onTap});
+  const FlashSaleCarouselWidget({
+    super.key,
+    required this.products,
+    this.sectionConfig,
+    this.onTap,
+    this.onCountdownFinished,
+  });
 
   @override
   State<FlashSaleCarouselWidget> createState() => _FlashSaleCarouselWidgetState();
 }
 
 class _FlashSaleCarouselWidgetState extends State<FlashSaleCarouselWidget> {
-  _handleTapRightButton() {
+  void _handleTapRightButton() {
     widget.sectionConfig?.buttonViewAll?.directionalScreen?.begin();
   }
 
@@ -25,13 +33,15 @@ class _FlashSaleCarouselWidgetState extends State<FlashSaleCarouselWidget> {
   Widget build(BuildContext context) {
     final widthItem = MediaQuery.of(context).size.width / 2.5;
     final heightItem = widthItem * 9 / 16 + (widget.products.firstOrNull?.extendSpaceFlashSaleItem ?? 130);
+    final flashSale = widget.products.firstOrNull?.previewFlashSale;
     if (widget.products.isEmpty) return const SizedBox.shrink();
     return Column(
       children: [
-        if (widget.sectionConfig?.flashSale != null)
+        if (flashSale != null)
           FlashSaleHeader(
-            flashSale: widget.sectionConfig?.flashSale,
+            flashSale: flashSale,
             onViewAll: widget.sectionConfig?.buttonViewAll?.directionalScreen != null ? _handleTapRightButton : null,
+            onCountdownFinished: widget.onCountdownFinished,
           ),
         const SizedBox(height: 8),
         ConstrainedBox(
@@ -41,7 +51,7 @@ class _FlashSaleCarouselWidgetState extends State<FlashSaleCarouselWidget> {
             scrollDirection: Axis.horizontal,
             padding: const EdgeInsets.symmetric(horizontal: 16),
             itemCount: widget.products.length,
-            separatorBuilder: (_, __) => const SizedBox(width: 12),
+            separatorBuilder: (_, _) => const SizedBox(width: 12),
             itemBuilder: (context, index) => _buildFlashSaleGridItem(widget.products[index]),
           ),
         ),
@@ -69,11 +79,12 @@ class _FlashSaleCarouselWidgetState extends State<FlashSaleCarouselWidget> {
               children: [
                 ClipRRect(
                   borderRadius: BorderRadius.only(topLeft: Radius.circular(8), topRight: Radius.circular(8)),
-                  child: Image.network(
-                    product.banner?.url ?? '',
+                  child: loadNetworkImage(
+                    url: product.banner?.url ?? '',
                     width: double.infinity,
                     height: widthItem * 9 / 16,
                     fit: BoxFit.cover,
+                    placeholderAsset: 'assets/images/bg_default_169.png',
                   ),
                 ),
                 if (product.percentDiscount != null)

lib/screen/home/custom_widget/flash_sale_header_widget.dart

 import 'dart:async';
 import 'package:flutter/material.dart';
-import '../../flash_sale/preview_flash_sale_model.dart';
+import '../../flash_sale/models/preview_flash_sale_model.dart';
 
 class FlashSaleHeader extends StatefulWidget {
   final PreviewFlashSale? flashSale;
   final VoidCallback? onViewAll;
+  final VoidCallback? onCountdownFinished;
 
-  const FlashSaleHeader({
-    super.key,
-    required this.flashSale,
-    this.onViewAll,
-  });
+  const FlashSaleHeader({super.key, required this.flashSale, this.onViewAll, this.onCountdownFinished});
 
   @override
   State<FlashSaleHeader> createState() => _FlashSaleHeaderState();
@@ -19,19 +16,29 @@ class FlashSaleHeader extends StatefulWidget {
 class _FlashSaleHeaderState extends State<FlashSaleHeader> {
   late Duration _remaining;
   Timer? _timer;
+  bool _didNotify = false;
 
   @override
   void initState() {
     super.initState();
-    _remaining = widget.flashSale?.countdownLocal ?? Duration(seconds: 100000);
+    _remaining = widget.flashSale?.countdownLocal ?? Duration(seconds: 0);
     _startTimer();
   }
 
   void _startTimer() {
     _timer?.cancel();
-    _timer = Timer.periodic(const Duration(seconds: 1), (_) {
-      if (_remaining.inSeconds <= 0) {
-        _timer?.cancel();
+    if (_remaining.inSeconds <= 0) return;
+    _timer = Timer.periodic(const Duration(seconds: 1), (timer) {
+      if (!mounted) {
+        timer.cancel();
+        return;
+      }
+      if (_remaining.inSeconds <= 1) {
+        setState(() {
+          _remaining = Duration.zero;
+        });
+        timer.cancel();
+        _notifyCountdownFinished();
       } else {
         setState(() {
           _remaining -= const Duration(seconds: 1);
@@ -40,20 +47,10 @@ class _FlashSaleHeaderState extends State<FlashSaleHeader> {
     });
   }
 
-  String _formatTime(int value) => value.toString().padLeft(2, '0');
-
-  Widget _buildTimeBox(String text) {
-    return Container(
-      padding: const EdgeInsets.symmetric(horizontal: 3, vertical: 2),
-      decoration: BoxDecoration(
-        color: Colors.red.shade400,
-        borderRadius: BorderRadius.circular(4),
-      ),
-      child: Text(
-        text,
-        style: const TextStyle(color: Colors.white, fontWeight: FontWeight.bold),
-      ),
-    );
+  void _notifyCountdownFinished() {
+    if (_didNotify) return;
+    _didNotify = true;
+    widget.onCountdownFinished?.call();
   }
 
   @override
@@ -64,38 +61,61 @@ class _FlashSaleHeaderState extends State<FlashSaleHeader> {
 
   @override
   Widget build(BuildContext context) {
-    final hours = _formatTime(_remaining.inHours);
-    final minutes = _formatTime(_remaining.inMinutes.remainder(60));
-    final seconds = _formatTime(_remaining.inSeconds.remainder(60));
-
     return Padding(
       padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
       child: Row(
         children: [
-          Image.asset("assets/images/ic_flash_sale.png", height: 24, fit: BoxFit.cover,),
+          Image.asset("assets/images/ic_flash_sale.png", height: 24, fit: BoxFit.cover),
           const SizedBox(width: 6),
-          Text(widget.flashSale?.desTime ?? "", style: TextStyle(fontSize: 14)),
-          const SizedBox(width: 4),
-          _buildTimeBox(hours),
-          const SizedBox(width: 2),
-          const Text(":", style: TextStyle(fontWeight: FontWeight.bold)),
-          const SizedBox(width: 2),
-          _buildTimeBox(minutes),
-          const SizedBox(width: 2),
-          const Text(":", style: TextStyle(fontWeight: FontWeight.bold)),
-          const SizedBox(width: 2),
-          _buildTimeBox(seconds),
-          const Spacer(),
+          Expanded(child: _buildCountdownSection(_remaining)),
+          const SizedBox(width: 8),
           if (widget.onViewAll != null)
             GestureDetector(
               onTap: widget.onViewAll,
-              child: Text(
-                'Xem tất cả',
-                style: TextStyle(color: Colors.blue[700], fontWeight: FontWeight.bold),
-              ),
+              child: Text('Xem tất cả', style: TextStyle(color: Colors.blue[700], fontWeight: FontWeight.bold)),
             ),
         ],
       ),
     );
   }
+
+  Widget _buildCountdownSection(Duration duration) {
+    final bool isCounting = duration.inSeconds > 0;
+    final label = (widget.flashSale?.desTime ?? 'Kết thúc trong');
+    return Row(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        Flexible(
+          child: FittedBox(
+            fit: BoxFit.scaleDown,
+            alignment: Alignment.centerLeft,
+            child: Text(
+              label,
+              style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w700, color: Colors.black54),
+            ),
+          ),
+        ),
+        const SizedBox(width: 4),
+        _buildTimeChip(_formatTwoDigits(duration.inHours)),
+        const SizedBox(width: 2),
+        const Text(':', style: TextStyle(fontWeight: FontWeight.bold)),
+        const SizedBox(width: 2),
+        _buildTimeChip(_formatTwoDigits(duration.inMinutes.remainder(60))),
+        const SizedBox(width: 2),
+        const Text(':', style: TextStyle(fontWeight: FontWeight.bold)),
+        const SizedBox(width: 2),
+        _buildTimeChip(_formatTwoDigits(duration.inSeconds.remainder(60))),
+      ],
+    );
+  }
+
+  Widget _buildTimeChip(String value) {
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 4),
+      decoration: BoxDecoration(color: Colors.black, borderRadius: BorderRadius.circular(6)),
+      child: Text(value, style: const TextStyle(color: Colors.white, fontWeight: FontWeight.bold)),
+    );
+  }
+
+  String _formatTwoDigits(int value) => value.toString().padLeft(2, '0');
 }

lib/screen/home/home_screen.dart

@@ -34,6 +34,7 @@ class _HomeScreenState extends State<HomeScreen> with PopupOnInit {
   final HomeTabViewModel _viewModel = Get.put(HomeTabViewModel());
   final _headerHomeVM = Get.find<HeaderHomeViewModel>();
   final RxBool _showHover = true.obs;
+  bool _isRefreshingFlashSale = false;
 
   @override
   void initState() {
@@ -43,6 +44,16 @@ class _HomeScreenState extends State<HomeScreen> with PopupOnInit {
     runPopupCheck(DirectionalScreenName.home);
   }
 
+  Future<void> _onFlashSaleCountdownFinished() async {
+    if (_isRefreshingFlashSale) return;
+    _isRefreshingFlashSale = true;
+    try {
+      await _viewModel.refreshFlashSale();
+    } finally {
+      _isRefreshingFlashSale = false;
+    }
+  }
+
   Widget _buildSliverHeader(double heightHeader) {
     return Obx(() {
       final notifyUnreadData = _headerHomeVM.notificationUnreadData.value;
@@ -57,10 +68,7 @@ class _HomeScreenState extends State<HomeScreen> with PopupOnInit {
   }
 
   List<Widget> _buildSectionContent() {
-    final sections = _viewModel.sectionLayouts
-        .map(_buildSection)
-        .whereType<Widget>()
-        .toList();
+    final sections = _viewModel.sectionLayouts.map(_buildSection).whereType<Widget>().toList();
     if (sections.isEmpty) {
       return const [Padding(padding: EdgeInsets.symmetric(vertical: 40), child: EmptyWidget())];
     }
@@ -123,6 +131,7 @@ class _HomeScreenState extends State<HomeScreen> with PopupOnInit {
           products: products,
           sectionConfig: _viewModel.getMainSectionConfigModel(HeaderSectionType.flashSale),
           onTap: (product) => Get.toNamed(voucherDetailScreen, arguments: product.id),
+          onCountdownFinished: _onFlashSaleCountdownFinished,
         );
       case HeaderSectionType.brand:
         if (_viewModel.brands.isEmpty) return null;

lib/screen/home/home_tab_viewmodel.dart

@@ -58,8 +58,7 @@ class HomeTabViewModel extends RestfulApiViewModel {
     await callApi<List<MainSectionConfigModel>>(
       request: () => client.getSectionLayoutHome(),
       onSuccess: (data, _) => _resolveSectionLayouts(data),
-      onFailure: (message, response, error) async =>
-          _resolveSectionLayouts(await _loadSectionLayoutHomeFromCache()),
+      onFailure: (message, response, error) async => _resolveSectionLayouts(await _loadSectionLayoutHomeFromCache()),
       withLoading: showLoading,
     );
   }
@@ -147,6 +146,12 @@ class HomeTabViewModel extends RestfulApiViewModel {
     flashSaleData.value = res.data;
   }
 
+  Future<void> refreshFlashSale() async {
+    final section = getMainSectionConfigModel(HeaderSectionType.flashSale);
+    if (section == null) return;
+    await _loadFlashSale(section);
+  }
+
   Future<void> _loadBrands(MainSectionConfigModel section) async {
     final res = await client.fetchList<BrandModel>(
       section.apiList ?? '',