location background activity

android/app/build.gradle.kts

@@ -14,29 +14,26 @@ android {
     ndkVersion = flutter.ndkVersion
 
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_11
+        isCoreLibraryDesugaringEnabled = true
-        targetCompatibility = JavaVersion.VERSION_11
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
     }
 
     kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_11.toString()
+        jvmTarget = "1.8"
     }
 
     defaultConfig {
-        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId = "com.example.proxibuy"
-        // You can update the following values to match your application needs.
-        // For more information, see: https://flutter.dev/to/review-gradle-config.
         minSdk = 23
         targetSdk = flutter.targetSdkVersion
         versionCode = flutter.versionCode
         versionName = flutter.versionName
+        multiDexEnabled = true
     }
 
     buildTypes {
         release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
             signingConfig = signingConfigs.getByName("debug")
         }
     }
@@ -45,3 +42,8 @@ android {
 flutter {
     source = "../.."
 }
+
+dependencies {
+    // این نسخه به آخرین نسخه مورد نیاز آپدیت شد
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.1.4")
+}

android/app/src/main/AndroidManifest.xml

@@ -1,18 +1,19 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
     
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION"/>
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
     <uses-permission android:name="android.permission.INTERNET" />
-    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
-
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
 
     <application
         android:label="Proxibuy"
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
-         <!-- android:networkSecurityConfig="@xml/network_security_config"> -->
         <activity
             android:name=".MainActivity"
             android:exported="true"
@@ -22,10 +23,7 @@
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
             android:windowSoftInputMode="adjustResize">
-            <!-- Specifies an Android theme to apply to this Activity as soon as
+            
-                 the Android process has started. This theme is visible to the user
-                 while the Flutter UI initializes. After that, this theme continues
-                 to determine the Window background behind the Flutter UI. -->
             <meta-data
               android:name="io.flutter.embedding.android.NormalTheme"
               android:resource="@style/NormalTheme"
@@ -35,17 +33,16 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
-        <!-- Don't delete the meta-data below.
+        
-             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
+        <service
+            android:name="id.flutter.flutter_background_service.BackgroundService"
+            android:foregroundServiceType="location" />
+        
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
     </application>
-    <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility and
-         https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
     
-         In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->
     <queries>
         <intent>
             <action android:name="android.intent.action.PROCESS_TEXT"/>

lib/core/config/api_config.dart

@@ -7,4 +7,5 @@ class ApiConfig {
   static const String getFavoriteCategories = "/user/getfavoriteCategory";
   static const String addReservation = "/reservation/add";
   static const String getReservations = "/reservation/get";
+  static const String updateFcmToken = "/user/firebaseUpdate";
 }

lib/data/models/offer_model.dart

@@ -149,7 +149,7 @@ class OfferModel extends Equatable {
       rating: 0.0,
       ratingCount: 0,
       comments: [],
-      discountInfo: json['Description'],
+      discountInfo: json['Description'] ?? 'توضیحات موجود نیست',
     );
   }
 
@@ -157,7 +157,29 @@ class OfferModel extends Equatable {
       imageUrls.isNotEmpty ? imageUrls.first : 'https://via.placeholder.com/400x200.png?text=No+Image';
 
   @override
-  List<Object?> get props => [id];
+  List<Object?> get props => [
+        id,
+        storeName,
+        title,
+        discount,
+        imageUrls,
+        category,
+        distanceInMeters,
+        expiryTime,
+        address,
+        workingHours,
+        discountType,
+        isOpen,
+        rating,
+        ratingCount,
+        latitude,
+        longitude,
+        originalPrice,
+        finalPrice,
+        features,
+        discountInfo,
+        comments,
+      ];
   
   String get distanceAsString {
     if (distanceInMeters < 1000) {

lib/main.dart

@@ -1,7 +1,6 @@
-// lib/main.dart
-
 import 'dart:io';
 import 'package:firebase_core/firebase_core.dart';
+import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_animate/flutter_animate.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
@@ -13,15 +12,35 @@ import 'package:proxibuy/presentation/auth/bloc/auth_bloc.dart';
 import 'package:proxibuy/presentation/notification_preferences/bloc/notification_preferences_bloc.dart';
 import 'package:proxibuy/presentation/offer/bloc/offer_bloc.dart';
 import 'package:proxibuy/presentation/reservation/cubit/reservation_cubit.dart';
+import 'package:proxibuy/services/background_service.dart';
 import 'package:proxibuy/services/mqtt_service.dart';
 import 'core/config/app_colors.dart';
 import 'package:proxibuy/presentation/pages/splash_screen.dart';
 
-
 void main() async {
-  WidgetsFlutterBinding.ensureInitialized();
-  HttpOverrides.global = MyHttpOverrides();
 
+  Future<String?> getFcmToken() async {
+    FirebaseMessaging messaging = FirebaseMessaging.instance;
+    String? token = await messaging.getToken();
+    print("🔥 Firebase Messaging Token: $token");
+    return token;
+  }
+
+  // FirebaseMessaging.instance.onTokenRefresh
+  //     .listen((fcmToken) {
+  //       // TODO: If necessary send token to application server.
+  //       // Note: This callback is fired at each app startup and whenever a new
+  //       // token is generated.
+  //     })
+  //     .onError((err) {
+  //       // Error getting token.
+  //     });
+
+  WidgetsFlutterBinding.ensureInitialized();
+
+  await initializeService();
+
+  HttpOverrides.global = MyHttpOverrides();
   await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
   Animate.restartOnHotReload = true;
   runApp(const MyApp());
@@ -34,22 +53,15 @@ class MyApp extends StatelessWidget {
   Widget build(BuildContext context) {
     return MultiBlocProvider(
       providers: [
-        RepositoryProvider<MqttService>(
+        RepositoryProvider<MqttService>(create: (context) => MqttService()),
-          create: (context) => MqttService(),
-        ),
         BlocProvider<AuthBloc>(
           create: (context) => AuthBloc()..add(CheckAuthStatusEvent()),
         ),
-        BlocProvider<ReservationCubit>(
+        BlocProvider<ReservationCubit>(create: (context) => ReservationCubit()),
-          create: (context) => ReservationCubit(),
+        BlocProvider<OffersBloc>(create: (context) => OffersBloc()),
-        ),
-        BlocProvider<OffersBloc>(
-          create: (context) => OffersBloc(),
-        ),
         BlocProvider<NotificationPreferencesBloc>(
           create: (context) => NotificationPreferencesBloc(),
         ),
-        
       ],
       child: MaterialApp(
         title: 'Proxibuy',

lib/presentation/auth/bloc/auth_bloc.dart

@@ -1,5 +1,3 @@
-// lib/presentation/auth/bloc/auth_bloc.dart
-
 import 'package:bloc/bloc.dart';
 import 'package:dio/dio.dart';
 import 'package:equatable/equatable.dart';
@@ -31,10 +29,13 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
     on<VerifyOTPEvent>(_onVerifyOTP);
     on<UpdateUserInfoEvent>(_onUpdateUserInfo);
     on<LogoutEvent>(_onLogout);
+    on<SendFcmTokenEvent>(_onSendFcmToken);
   }
 
   Future<void> _onCheckAuthStatus(
-      CheckAuthStatusEvent event, Emitter<AuthState> emit) async {
+    CheckAuthStatusEvent event,
+    Emitter<AuthState> emit,
+  ) async {
     final token = await _storage.read(key: 'accessToken');
     if (token != null && token.isNotEmpty) {
       emit(AuthSuccess());
@@ -52,10 +53,12 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
       );
       if (isClosed) return;
       if (response.statusCode == 200) {
-        emit(AuthCodeSentSuccess(
+        emit(
-          phone: event.phoneNumber,
+          AuthCodeSentSuccess(
-          countryCode: event.countryCode,
+            phone: event.phoneNumber,
-        ));
+            countryCode: event.countryCode,
+          ),
+        );
       } else {
         emit(AuthFailure(response.data['message'] ?? 'خطایی رخ داد'));
       }
@@ -65,7 +68,10 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
     }
   }
 
-  Future<void> _onVerifyOTP(VerifyOTPEvent event, Emitter<AuthState> emit) async {
+  Future<void> _onVerifyOTP(
+    VerifyOTPEvent event,
+    Emitter<AuthState> emit,
+  ) async {
     emit(AuthLoading());
     try {
       final response = await _dio.post(
@@ -97,8 +103,12 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
   }
 
   Future<void> _onUpdateUserInfo(
-      UpdateUserInfoEvent event, Emitter<AuthState> emit) async {
+    UpdateUserInfoEvent event,
-    debugPrint("AuthBloc: 🔵 ایونت UpdateUserInfoEvent دریافت شد با نام: ${event.name}");
+    Emitter<AuthState> emit,
+  ) async {
+    debugPrint(
+      "AuthBloc: 🔵 ایونت UpdateUserInfoEvent دریافت شد با نام: ${event.name}",
+    );
     emit(AuthLoading());
     try {
       final token = await _storage.read(key: 'accessToken');
@@ -115,30 +125,59 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
         options: Options(headers: {'Authorization': 'Bearer $token'}),
       );
 
-      debugPrint("AuthBloc: 🟠 پاسخ سرور دریافت شد. StatusCode: ${response.statusCode}");
+      debugPrint(
+        "AuthBloc: 🟠 پاسخ سرور دریافت شد. StatusCode: ${response.statusCode}",
+      );
 
       if (isClosed) {
-         debugPrint("AuthBloc: 🔴 خطا: BLoC قبل از اتمام عملیات بسته شده است.");
+        debugPrint("AuthBloc: 🔴 خطا: BLoC قبل از اتمام عملیات بسته شده است.");
-         return;
+        return;
       }
 
       if (response.statusCode == 200) {
-        debugPrint("AuthBloc: ✅ درخواست موفق بود. در حال emit کردن AuthSuccess...");
+        debugPrint(
+          "AuthBloc: ✅ درخواست موفق بود. در حال emit کردن AuthSuccess...",
+        );
         emit(AuthSuccess());
       } else {
-        debugPrint("AuthBloc: 🔴 سرور پاسخ ناموفق داد: ${response.data['message']}");
+        debugPrint(
+          "AuthBloc: 🔴 سرور پاسخ ناموفق داد: ${response.data['message']}",
+        );
         emit(AuthFailure(response.data['message'] ?? 'خطا در ثبت اطلاعات'));
       }
     } on DioException catch (e) {
-      debugPrint("AuthBloc: 🔴 خطای DioException رخ داد: ${e.response?.data['message']}");
+      debugPrint(
+        "AuthBloc: 🔴 خطای DioException رخ داد: ${e.response?.data['message']}",
+      );
       if (isClosed) return;
       emit(AuthFailure(e.response?.data['message'] ?? 'خطا در ارتباط با سرور'));
     }
   }
 
-
   Future<void> _onLogout(LogoutEvent event, Emitter<AuthState> emit) async {
     await _storage.deleteAll();
     emit(AuthInitial());
   }
+
+  Future<void> _onSendFcmToken(
+    SendFcmTokenEvent event,
+    Emitter<AuthState> emit,
+  ) async {
+    try {
+      final token = await _storage.read(key: 'accessToken');
+      if (token == null) {
+        emit(const AuthFailure("شما وارد نشده‌اید."));
+        return;
+      }
+
+      await _dio.post(
+        ApiConfig.baseUrl + ApiConfig.updateFcmToken,
+        data: {'Token': event.fcmToken},
+        options: Options(headers: {'Authorization': 'Bearer $token'}),
+      );
+      print("Firebase token: ${event.fcmToken}");
+    } on DioException catch (e) {
+      debugPrint("Error sending FCM token: ${e.response?.data['message']}");
+    }
+  }
 }

lib/presentation/auth/bloc/auth_event.dart

@@ -26,3 +26,8 @@ class UpdateUserInfoEvent extends AuthEvent {
 
   UpdateUserInfoEvent({required this.name, required this.gender});
 }
+
+class SendFcmTokenEvent extends AuthEvent {
+  final String fcmToken;
+  SendFcmTokenEvent({required this.fcmToken});
+}

lib/presentation/pages/offers_page.dart

@@ -1,3 +1,5 @@
+// lib/presentation/pages/offers_page.dart
+
 import 'dart:async';
 import 'package:collection/collection.dart';
 import 'package:connectivity_plus/connectivity_plus.dart';
@@ -5,6 +7,7 @@ import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_animate/flutter_animate.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_background_service/flutter_background_service.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:flutter_svg/svg.dart';
 import 'package:geolocator/geolocator.dart';
@@ -23,7 +26,6 @@ import 'package:proxibuy/presentation/pages/reserved_list_page.dart';
 import 'package:proxibuy/presentation/reservation/cubit/reservation_cubit.dart';
 import 'package:proxibuy/presentation/widgets/gps_dialog.dart';
 import 'package:proxibuy/presentation/widgets/notification_permission_dialog.dart';
-import 'package:proxibuy/services/mqtt_service.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 class OffersPage extends StatefulWidget {
@@ -38,10 +40,7 @@ class OffersPage extends StatefulWidget {
 class _OffersPageState extends State<OffersPage> {
   List<String> _selectedCategories = [];
   StreamSubscription? _locationServiceSubscription;
-  StreamSubscription? _mqttMessageSubscription;
   StreamSubscription? _connectivitySubscription;
-  Timer? _locationTimer;
-  bool _isSubscribedToOffers = false;
   bool _isGpsEnabled = false;
   bool _isConnectedToInternet = true;
 
@@ -57,8 +56,6 @@ class _OffersPageState extends State<OffersPage> {
   @override
   void dispose() {
     _locationServiceSubscription?.cancel();
-    _mqttMessageSubscription?.cancel();
-    _locationTimer?.cancel();
     _connectivitySubscription?.cancel();
     super.dispose();
   }
@@ -67,7 +64,8 @@ class _OffersPageState extends State<OffersPage> {
     final connectivityResult = await Connectivity().checkConnectivity();
     if (!mounted) return;
     setState(() {
-      _isConnectedToInternet = !connectivityResult.contains(ConnectivityResult.none);
+      _isConnectedToInternet =
+          !connectivityResult.contains(ConnectivityResult.none);
     });
   }
 
@@ -80,10 +78,37 @@ class _OffersPageState extends State<OffersPage> {
         }
       });
     }
-
     await _loadPreferences();
     _initLocationListener();
-    _subscribeToUserOffersOnLoad();
+    _listenToBackgroundService();
+  }
+
+  void _listenToBackgroundService() {
+    FlutterBackgroundService().on('update').listen((event) {
+      if (event == null || event['offers'] == null) return;
+
+      final data = event['offers']['data'];
+      if (data == null || data is! List) {
+        if (mounted) {
+          context.read<OffersBloc>().add(const OffersReceivedFromMqtt([]));
+        }
+        return;
+      }
+
+      try {
+        List<OfferModel> offers = data
+            .whereType<Map<String, dynamic>>()
+            .map((json) => OfferModel.fromJson(json))
+            .toList();
+
+        if (mounted) {
+          context.read<OffersBloc>().add(OffersReceivedFromMqtt(offers));
+        }
+      } catch (e, stackTrace) {
+        debugPrint("❌ Error parsing offers from Background Service: $e");
+        debugPrint(stackTrace.toString());
+      }
+    });
   }
 
   void _initConnectivityListener() {
@@ -143,14 +168,6 @@ class _OffersPageState extends State<OffersPage> {
     }
   }
 
-  Future<void> _subscribeToUserOffersOnLoad() async {
-    final storage = const FlutterSecureStorage();
-    final userID = await storage.read(key: 'userID');
-    if (userID != null && mounted) {
-      _subscribeToUserOffers(userID);
-    }
-  }
-
   void _initLocationListener() {
     _checkInitialGpsStatus();
     _locationServiceSubscription =
@@ -160,11 +177,7 @@ class _OffersPageState extends State<OffersPage> {
         setState(() {
           _isGpsEnabled = isEnabled;
         });
-        if (isEnabled) {
+        if (!isEnabled) {
-          _startSendingLocationUpdates();
-        } else {
-          debugPrint("❌ Location Service Disabled. Stopping updates.");
-          _locationTimer?.cancel();
           context.read<OffersBloc>().add(ClearOffers());
         }
       }
@@ -177,105 +190,9 @@ class _OffersPageState extends State<OffersPage> {
       setState(() {
         _isGpsEnabled = status;
       });
-      if (_isGpsEnabled) {
-        _startSendingLocationUpdates();
-      }
     }
   }
 
-  void _startSendingLocationUpdates() {
-    debugPrint("🚀 Starting periodic location updates.");
-    _locationTimer?.cancel();
-    _locationTimer = Timer.periodic(const Duration(seconds: 30), (timer) {
-      _sendLocationUpdate();
-    });
-    _sendLocationUpdate();
-  }
-
-  Future<void> _sendLocationUpdate() async {
-    if (!_isConnectedToInternet || !_isGpsEnabled) return;
-
-    final mqttService = context.read<MqttService>();
-    if (!mqttService.isConnected) {
-      debugPrint("⚠️ MQTT not connected in OffersPage. Cannot send location.");
-      return;
-    }
-
-    try {
-      LocationPermission permission = await Geolocator.checkPermission();
-      if (permission == LocationPermission.denied) {
-        permission = await Geolocator.requestPermission();
-      }
-
-      if (permission == LocationPermission.denied ||
-          permission == LocationPermission.deniedForever) {
-        debugPrint("🚫 Location permission denied by user.");
-        return;
-      }
-
-      final position = await Geolocator.getCurrentPosition(
-        desiredAccuracy: LocationAccuracy.high,
-      );
-
-      const storage = FlutterSecureStorage();
-      final userID = await storage.read(key: 'userID');
-
-      if (userID == null) {
-        debugPrint("⚠️ UserID not found. Cannot send location.");
-        return;
-      }
-
-      final payload = {
-        "userID": userID,
-        "lat":32.6685,
-        "lng": 51.6826
-      };
-
-      mqttService.publish("proxybuy/sendGps", payload);
-    } catch (e) {
-      debugPrint("❌ Error sending location update in OffersPage: $e");
-    }
-  }
-
-  void _subscribeToUserOffers(String userID) {
-    if (_isSubscribedToOffers) return;
-
-    final mqttService = context.read<MqttService>();
-    if (!mqttService.isConnected) {
-        debugPrint("⚠️ Cannot subscribe. MQTT client is not connected.");
-        return;
-    }
-
-    final topic = 'user-proxybuy/$userID';
-    mqttService.subscribe(topic);
-    _isSubscribedToOffers = true;
-
-    _mqttMessageSubscription = mqttService.messages.listen((message) {
-      final data = message['data'];
-
-      if (data == null || data is! List) {
-        if (mounted) {
-          context.read<OffersBloc>().add(const OffersReceivedFromMqtt([]));
-        }
-        return;
-      }
-
-      try {
-        List<OfferModel> offers = data
-            .whereType<Map<String, dynamic>>()
-            .map((json) => OfferModel.fromJson(json))
-            .toList();
-
-        if (mounted) {
-          context.read<OffersBloc>().add(OffersReceivedFromMqtt(offers));
-        }
-      } catch (e, stackTrace) {
-        debugPrint("❌ Error parsing offers from MQTT: $e");
-        debugPrint(stackTrace.toString());
-      }
-    });
-  }
-
   Future<void> _loadPreferences() async {
     final prefs = await SharedPreferences.getInstance();
     final savedCategories =

lib/presentation/pages/splash_screen.dart

@@ -3,12 +3,14 @@ import 'package:connectivity_plus/connectivity_plus.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:permission_handler/permission_handler.dart';
 import 'package:proxibuy/core/config/app_colors.dart';
 import 'package:proxibuy/presentation/auth/bloc/auth_bloc.dart';
 import 'package:proxibuy/presentation/pages/onboarding_page.dart';
 import 'package:proxibuy/presentation/pages/offers_page.dart';
 import 'package:proxibuy/core/gen/assets.gen.dart';
 import 'package:proxibuy/services/mqtt_service.dart';
+import 'package:firebase_messaging/firebase_messaging.dart';
 
 class SplashScreen extends StatefulWidget {
   const SplashScreen({super.key});
@@ -28,9 +30,24 @@ class _SplashScreenState extends State<SplashScreen> {
     Future.delayed(const Duration(seconds: 2), _startProcess);
   }
   
+  Future<String?> getFcmToken() async {
+    FirebaseMessaging messaging = FirebaseMessaging.instance;
+    try {
+        String? token = await messaging.getToken();
+        debugPrint("🔥 Firebase Messaging Token: $token");
+        return token;
+    } catch(e) {
+        debugPrint("Error getting FCM token: $e");
+        return null;
+    }
+  }
+
+
   Future<void> _startProcess() async {
     if (!mounted) return;
 
+    await _requestPermissions();
+
     final hasInternet = await _checkInternet();
     if (!hasInternet) {
       setState(() {
@@ -60,11 +77,18 @@ class _SplashScreenState extends State<SplashScreen> {
       return;
     }
     
+    final String? fcmToken = await getFcmToken();
+
     final mqttService = context.read<MqttService>();
     final storage = const FlutterSecureStorage();
     final token = await storage.read(key: 'accessToken');
 
     if (token != null && token.isNotEmpty) {
+    
+      if (fcmToken != null) {
+        context.read<AuthBloc>().add(SendFcmTokenEvent(fcmToken: fcmToken));
+      }
+
       if (mqttService.isConnected) {
         _navigateToOffers();
         return;
@@ -186,4 +210,13 @@ class _SplashScreenState extends State<SplashScreen> {
       ),
     );
   }
+
+  Future<void> _requestPermissions() async {
+    await Permission.notification.request();
+
+    var status = await Permission.location.request();
+    if (status.isGranted) {
+      await Permission.locationAlways.request();
+    }
+  }
 }

lib/presentation/widgets/reserved_list_item_card.dart

@@ -339,8 +339,8 @@ class _ReservedListItemCardState extends State<ReservedListItemCard> {
                 children: [
                   Container(
                     padding: const EdgeInsets.symmetric(
-                      horizontal: 20,
+                      horizontal: 15,
-                      vertical: 9,
+                      vertical: 12,
                     ),
                     decoration: BoxDecoration(
                       color: AppColors.singleOfferType,
@@ -351,7 +351,8 @@ class _ReservedListItemCardState extends State<ReservedListItemCard> {
                       style: const TextStyle(
                         color: Colors.white,
                         fontWeight: FontWeight.normal,
-                        fontSize: 17,
+                        fontSize: 13,
+                        overflow: TextOverflow.ellipsis
                       ),
                     ),
                   ),
@@ -365,7 +366,7 @@ class _ReservedListItemCardState extends State<ReservedListItemCard> {
                           Text(
                             '(${(100 - widget.offer.finalPrice / widget.offer.originalPrice * 100).toInt()}%)',
                             style: const TextStyle(
-                              fontSize: 14,
+                              fontSize: 12,
                               color: AppColors.singleOfferType,
                               fontWeight: FontWeight.normal,
                             ),
@@ -374,7 +375,7 @@ class _ReservedListItemCardState extends State<ReservedListItemCard> {
                           Text(
                             formatCurrency.format(widget.offer.originalPrice),
                             style: TextStyle(
-                              fontSize: 14,
+                              fontSize: 13,
                               color: Colors.grey.shade600,
                               decoration: TextDecoration.lineThrough,
                             ),
@@ -386,7 +387,7 @@ class _ReservedListItemCardState extends State<ReservedListItemCard> {
                         '${formatCurrency.format(widget.offer.finalPrice)} تومان',
                         style: const TextStyle(
                           color: AppColors.singleOfferType,
-                          fontSize: 18,
+                          fontSize: 15,
                           fontWeight: FontWeight.bold,
                         ),
                       ),

lib/services/background_service.dart

@@ -0,0 +1,107 @@
+import 'dart:async';
+import 'dart:ui';
+import 'package:flutter/material.dart';
+import 'package:flutter_background_service/flutter_background_service.dart';
+import 'package:flutter_background_service_android/flutter_background_service_android.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:geolocator/geolocator.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:proxibuy/services/mqtt_service.dart';
+
+const notificationChannelId = 'proxibuy_foreground_service';
+const notificationId = 888;
+
+@pragma('vm:entry-point')
+void onStart(ServiceInstance service) async {
+  DartPluginRegistrant.ensureInitialized();
+
+  final MqttService mqttService = MqttService();
+  const storage = FlutterSecureStorage();
+
+  if (service is AndroidServiceInstance) {
+    service.setForegroundNotificationInfo(
+      title: "ProxiBuy فعال است",
+      content: "در حال جستجو برای تخفیف های اطراف شما...",
+    );
+
+    service.on('stopService').listen((event) {
+      service.stopSelf();
+    });
+  }
+
+  mqttService.messages.listen((data) {
+    service.invoke('update', {'offers': data});
+  });
+
+  Timer.periodic(const Duration(seconds: 30), (timer) async {
+    debugPrint("✅ Background Service: Sending location...");
+
+    var locationStatus = await Permission.location.status;
+    if (!locationStatus.isGranted) {
+      debugPrint("Background Service: Location permission not granted.");
+      return;
+    }
+
+    try {
+      final position = await Geolocator.getCurrentPosition(
+          desiredAccuracy: LocationAccuracy.high);
+      final token = await storage.read(key: 'accessToken');
+      final userID = await storage.read(key: 'userID');
+
+      if (token != null && userID != null) {
+        if (!mqttService.isConnected) {
+          await mqttService.connect(token);
+          final topic = 'user-proxybuy/$userID';
+          mqttService.subscribe(topic);
+        }
+
+        if (mqttService.isConnected) {
+          final payload = {
+            "userID": userID,
+            "lat": position.latitude,
+            "lng": position.longitude
+          };
+          mqttService.publish("proxybuy/sendGps", payload);
+          debugPrint("Background Service: GPS sent successfully.");
+        }
+      }
+    } catch (e) {
+      debugPrint("❌ Background Service Error: $e");
+    }
+  });
+}
+
+Future<void> initializeService() async {
+  final service = FlutterBackgroundService();
+
+  const AndroidNotificationChannel channel = AndroidNotificationChannel(
+    notificationChannelId,
+    'ProxiBuy Background Service',
+    description: 'This channel is used for location service notifications.',
+    importance: Importance.low,
+  );
+
+  final flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
+
+  await flutterLocalNotificationsPlugin
+      .resolvePlatformSpecificImplementation<
+          AndroidFlutterLocalNotificationsPlugin>()
+      ?.createNotificationChannel(channel);
+
+  await service.configure(
+    androidConfiguration: AndroidConfiguration(
+      onStart: onStart,
+      isForegroundMode: true,
+      autoStart: true,
+      notificationChannelId: notificationChannelId,
+      initialNotificationTitle: 'ProxiBuy فعال است',
+      initialNotificationContent: 'در حال جستجو برای تخفیف‌های اطراف شما...',
+      foregroundServiceNotificationId: notificationId,
+    ),
+    iosConfiguration: IosConfiguration(
+      autoStart: true,
+      onForeground: onStart,
+    ),
+  );
+}

lib/services/background_tasks.dart

@@ -0,0 +1,100 @@
+import 'dart:async';
+import 'dart:ui';
+import 'package:flutter/material.dart';
+import 'package:flutter_background_service/flutter_background_service.dart';
+import 'package:flutter_background_service_android/flutter_background_service_android.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:geolocator/geolocator.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:proxibuy/services/mqtt_service.dart';
+
+const notificationChannelId = 'proxibuy_foreground_service';
+const notificationId = 888;
+
+@pragma('vm:entry-point')
+void onStart(ServiceInstance service) async {
+  DartPluginRegistrant.ensureInitialized();
+
+  final MqttService mqttService = MqttService();
+  const storage = FlutterSecureStorage();
+
+  if (service is AndroidServiceInstance) {
+    service.setForegroundNotificationInfo(
+      title: "ProxiBuy فعال است",
+      content: "در حال یافتن تخفیف های اطراف شما...",
+    );
+
+    service.on('setAsForeground').listen((event) {
+      service.setAsForegroundService();
+    });
+
+    service.on('setAsBackground').listen((event) {
+      service.setAsBackgroundService();
+    });
+  }
+
+  service.on('stopService').listen((event) {
+    service.stopSelf();
+  });
+
+  Timer.periodic(const Duration(seconds: 30), (timer) async {
+    debugPrint("✅ Background Service is running and sending location...");
+
+    var locationStatus = await Permission.location.status;
+    var locationAlwaysStatus = await Permission.locationAlways.status;
+    if (!locationStatus.isGranted || !locationAlwaysStatus.isGranted) {
+      debugPrint("Background Service: Permissions not granted. Task skipped.");
+      return;
+    }
+
+    final position = await Geolocator.getCurrentPosition(desiredAccuracy: LocationAccuracy.high);
+    final token = await storage.read(key: 'accessToken');
+    final userID = await storage.read(key: 'userID');
+
+    if (token != null && token.isNotEmpty && userID != null) {
+      if (!mqttService.isConnected) {
+        await mqttService.connect(token);
+      }
+      
+      if (mqttService.isConnected) {
+          final payload = {"userID": userID, "lat": position.latitude, "lng": position.longitude};
+          mqttService.publish("proxybuy/sendGps", payload);
+          debugPrint("Background Service: GPS sent successfully.");
+      }
+    }
+  });
+}
+
+Future<void> initializeService() async {
+  final service = FlutterBackgroundService();
+
+  const AndroidNotificationChannel channel = AndroidNotificationChannel(
+    notificationChannelId,
+    'ProxiBuy Background Service',
+    description: 'This channel is used for location service notifications.',
+    importance: Importance.low,
+  );
+
+  final flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
+  
+  await flutterLocalNotificationsPlugin
+      .resolvePlatformSpecificImplementation<AndroidFlutterLocalNotificationsPlugin>()
+      ?.createNotificationChannel(channel);
+
+    await service.configure(
+    androidConfiguration: AndroidConfiguration(
+      onStart: onStart,
+      isForegroundMode: true,
+      autoStart: true,
+      notificationChannelId: notificationChannelId,
+      initialNotificationTitle: 'ProxiBuy فعال است',
+      initialNotificationContent: 'در حال جستجو برای تخفیف‌های اطراف شما...',
+      foregroundServiceNotificationId: notificationId,
+    ),
+    iosConfiguration: IosConfiguration(
+      autoStart: true,
+      onForeground: onStart,
+    ),
+  );
+}

lib/services/mqtt_service.dart

@@ -1,6 +1,5 @@
 import 'dart:async';
 import 'dart:convert';
-import 'dart:io';
 import 'dart:math';
 import 'package:flutter/foundation.dart';
 import 'package:mqtt_client/mqtt_client.dart';
@@ -10,18 +9,21 @@ class MqttService {
   MqttServerClient? client;
   final String server = '5.75.197.180';
   final int port = 1883;
-  final StreamController<Map<String, dynamic>> _messageStreamController =
-      StreamController.broadcast();
   
+  final StreamController<Map<String, dynamic>> _messageStreamController = StreamController.broadcast();
   Stream<Map<String, dynamic>> get messages => _messageStreamController.stream;
   
-  bool get isConnected {
+  Completer<Map<String, dynamic>>? _firstMessageCompleter;
-    return client?.connectionStatus?.state == MqttConnectionState.connected;
+
+  bool get isConnected => client?.connectionStatus?.state == MqttConnectionState.connected;
+
+  Future<Map<String, dynamic>> awaitFirstMessage() {
+    _firstMessageCompleter = Completer<Map<String, dynamic>>();
+    return _firstMessageCompleter!.future;
   }
 
   Future<void> connect(String token) async {
-    final String clientId =
+    final String clientId = 'nest-' + Random().nextInt(0xFFFFFF).toRadixString(16).padLeft(6, '0');
-        'nest-' + Random().nextInt(0xFFFFFF).toRadixString(16).padLeft(6, '0');
     final String username = 'ignored';
     final String password = token;
 
@@ -31,10 +33,6 @@ class MqttService {
     client!.autoReconnect = true;
     client!.setProtocolV311();
 
-    debugPrint('--- [MQTT] Attempting to connect...');
-    debugPrint('--- [MQTT] Server: $server:$port');
-    debugPrint('--- [MQTT] ClientID: $clientId');
-
     final connMessage = MqttConnectMessage()
         .withClientIdentifier(clientId)
         .startClean()
@@ -46,86 +44,57 @@ class MqttService {
       debugPrint('✅ [MQTT] Connected successfully.');
       client!.updates!.listen((List<MqttReceivedMessage<MqttMessage>> c) {
         final MqttPublishMessage recMess = c[0].payload as MqttPublishMessage;
-        
+        final String payload = MqttPublishPayload.bytesToStringAsString(recMess.payload.message);
-        final String payload =
-            MqttPublishPayload.bytesToStringAsString(recMess.payload.message);
-
-        debugPrint('<<<<< [MQTT] Received Data <<<<<');
-        debugPrint('<<<<< [MQTT] Topic: ${c[0].topic}');
-        debugPrint('<<<<< [MQTT] Payload as String: $payload'); 
-        debugPrint('<<<<< ======================== <<<<<');
 
         try {
           final Map<String, dynamic> jsonPayload = json.decode(payload);
-          _messageStreamController.add(jsonPayload);
+          
+          if (!_messageStreamController.isClosed) {
+            _messageStreamController.add(jsonPayload);
+          }
+          
+          if (_firstMessageCompleter != null && !_firstMessageCompleter!.isCompleted) {
+            _firstMessageCompleter!.complete(jsonPayload);
+          }
         } catch (e) {
-          debugPrint("❌ [MQTT] Error decoding received JSON: $e");
+          debugPrint("❌ [MQTT] Error decoding JSON: $e");
+          if (_firstMessageCompleter != null && !_firstMessageCompleter!.isCompleted) {
+            _firstMessageCompleter!.completeError(e);
+          }
         }
       });
     };
 
-    client!.onDisconnected = () {
+    client!.onDisconnected = () => debugPrint('❌ [MQTT] Disconnected.');
-      debugPrint('❌ [MQTT] Disconnected.');
+    client!.onSubscribed = (String topic) => debugPrint('✅ [MQTT] Subscribed to topic: $topic');
-    };
-    
-    client!.onAutoReconnect = () {
-      debugPrint('↪️ [MQTT] Auto-reconnecting...');
-    };
-
-    client!.onAutoReconnected = () {
-        debugPrint('✅ [MQTT] Auto-reconnected successfully.');
-    };
-
-    client!.onSubscribed = (String topic) {
-      debugPrint('✅ [MQTT] Subscribed to topic: $topic');
-    };
-    
-    client!.pongCallback = () {
-        debugPrint('🏓 [MQTT] Ping response received');
-    };
     
     try {
       await client!.connect();
-    } on NoConnectionException catch (e) {
-        debugPrint('❌ [MQTT] Connection failed - No Connection Exception: $e');
-        client?.disconnect();
-    } on SocketException catch (e) {
-        debugPrint('❌ [MQTT] Connection failed - Socket Exception: $e');
-        client?.disconnect();
     } catch (e) {
-      debugPrint('❌ [MQTT] Connection failed - General Exception: $e');
+      debugPrint('❌ [MQTT] Connection failed: $e');
       client?.disconnect();
+      if (_firstMessageCompleter != null && !_firstMessageCompleter!.isCompleted) {
+        _firstMessageCompleter!.completeError(e);
+      }
     }
   }
   
   void subscribe(String topic) {
     if (isConnected) {
       client?.subscribe(topic, MqttQos.atLeastOnce);
-    } else {
-      debugPrint("⚠️ [MQTT] Cannot subscribe. Client is not connected.");
     }
   }
 
   void publish(String topic, Map<String, dynamic> message) {
     if (isConnected) {
       final builder = MqttClientPayloadBuilder();
-      final payloadString = json.encode(message);
+      builder.addString(json.encode(message));
-      builder.addString(payloadString);
-
-      debugPrint('>>>>> [MQTT] Publishing Data >>>>>');
-      debugPrint('>>>>> [MQTT] Topic: $topic');
-      debugPrint('>>>>> [MQTT] Payload: $payloadString');
-      debugPrint('>>>>> ======================= >>>>>');
-
       client?.publishMessage(topic, MqttQos.atLeastOnce, builder.payload!);
-    } else {
-        debugPrint("⚠️ [MQTT] Cannot publish. Client is not connected.");
     }
   }
 
   void dispose() {
-    debugPrint("--- [MQTT] Disposing MQTT Service.");
-    _messageStreamController.close();
     client?.disconnect();
+    _messageStreamController.close();
   }
 }

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -11,7 +11,10 @@ import connectivity_plus
 import file_selector_macos
 import firebase_auth
 import firebase_core
+import firebase_crashlytics
+import firebase_messaging
 import firebase_storage
+import flutter_local_notifications
 import flutter_localization
 import flutter_secure_storage_macos
 import geolocator_apple
@@ -28,7 +31,10 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   FileSelectorPlugin.register(with: registry.registrar(forPlugin: "FileSelectorPlugin"))
   FLTFirebaseAuthPlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseAuthPlugin"))
   FLTFirebaseCorePlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseCorePlugin"))
+  FLTFirebaseCrashlyticsPlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseCrashlyticsPlugin"))
+  FLTFirebaseMessagingPlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseMessagingPlugin"))
   FLTFirebaseStoragePlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseStoragePlugin"))
+  FlutterLocalNotificationsPlugin.register(with: registry.registrar(forPlugin: "FlutterLocalNotificationsPlugin"))
   FlutterLocalizationPlugin.register(with: registry.registrar(forPlugin: "FlutterLocalizationPlugin"))
   FlutterSecureStoragePlugin.register(with: registry.registrar(forPlugin: "FlutterSecureStoragePlugin"))
   GeolocatorPlugin.register(with: registry.registrar(forPlugin: "GeolocatorPlugin"))

pubspec.lock

@@ -521,6 +521,46 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.24.1"
+  firebase_crashlytics:
+    dependency: "direct main"
+    description:
+      name: firebase_crashlytics
+      sha256: "662ae6443da91bca1fb0be8aeeac026fa2975e8b7ddfca36e4d90ebafa35dde1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.3.10"
+  firebase_crashlytics_platform_interface:
+    dependency: transitive
+    description:
+      name: firebase_crashlytics_platform_interface
+      sha256: "7222a8a40077c79f6b8b3f3439241c9f2b34e9ddfde8381ffc512f7b2e61f7eb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.8.10"
+  firebase_messaging:
+    dependency: "direct main"
+    description:
+      name: firebase_messaging
+      sha256: "60be38574f8b5658e2f22b7e311ff2064bea835c248424a383783464e8e02fcc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "15.2.10"
+  firebase_messaging_platform_interface:
+    dependency: transitive
+    description:
+      name: firebase_messaging_platform_interface
+      sha256: "685e1771b3d1f9c8502771ccc9f91485b376ffe16d553533f335b9183ea99754"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.6.10"
+  firebase_messaging_web:
+    dependency: transitive
+    description:
+      name: firebase_messaging_web
+      sha256: "0d1be17bc89ed3ff5001789c92df678b2e963a51b6fa2bdb467532cc9dbed390"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.10.10"
   firebase_storage:
     dependency: "direct main"
     description:
@@ -566,6 +606,38 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.5.2"
+  flutter_background_service:
+    dependency: "direct main"
+    description:
+      name: flutter_background_service
+      sha256: "70a1c185b1fa1a44f8f14ecd6c86f6e50366e3562f00b2fa5a54df39b3324d3d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.0"
+  flutter_background_service_android:
+    dependency: "direct main"
+    description:
+      name: flutter_background_service_android
+      sha256: ca0793d4cd19f1e194a130918401a3d0b1076c81236f7273458ae96987944a87
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.1"
+  flutter_background_service_ios:
+    dependency: transitive
+    description:
+      name: flutter_background_service_ios
+      sha256: "6037ffd45c4d019dab0975c7feb1d31012dd697e25edc05505a4a9b0c7dc9fba"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.0.3"
+  flutter_background_service_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_background_service_platform_interface
+      sha256: ca74aa95789a8304f4d3f57f07ba404faa86bed6e415f83e8edea6ad8b904a41
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.2"
   flutter_bloc:
     dependency: "direct main"
     description:
@@ -614,6 +686,38 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.0.0"
+  flutter_local_notifications:
+    dependency: "direct main"
+    description:
+      name: flutter_local_notifications
+      sha256: "20ca0a9c82ce0c855ac62a2e580ab867f3fbea82680a90647f7953832d0850ae"
+      url: "https://pub.dev"
+    source: hosted
+    version: "19.4.0"
+  flutter_local_notifications_linux:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_linux
+      sha256: e3c277b2daab8e36ac5a6820536668d07e83851aeeb79c446e525a70710770a5
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.0.0"
+  flutter_local_notifications_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_platform_interface
+      sha256: "277d25d960c15674ce78ca97f57d0bae2ee401c844b6ac80fcd972a9c99d09fe"
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.1.0"
+  flutter_local_notifications_windows:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_windows
+      sha256: ed46d7ae4ec9d19e4c8fa2badac5fe27ba87a3fe387343ce726f927af074ec98
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.2"
   flutter_localization:
     dependency: "direct main"
     description:
@@ -1121,10 +1225,10 @@ packages:
     dependency: "direct main"
     description:
       name: permission_handler
-      sha256: "2d070d8684b68efb580a5997eb62f675e8a885ef0be6e754fb9ef489c177470f"
+      sha256: bc917da36261b00137bbc8896bf1482169cd76f866282368948f032c8c1caae1
       url: "https://pub.dev"
     source: hosted
-    version: "12.0.0+1"
+    version: "12.0.1"
   permission_handler_android:
     dependency: transitive
     description:
@@ -1466,6 +1570,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.5"
+  timezone:
+    dependency: transitive
+    description:
+      name: timezone
+      sha256: dd14a3b83cfd7cb19e7888f1cbc20f258b8d71b54c06f79ac585f14093a287d1
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.10.1"
   timing:
     dependency: transitive
     description:
@@ -1642,6 +1754,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.13.0"
+  workmanager:
+    dependency: "direct main"
+    description:
+      name: workmanager
+      sha256: "746a50c535af15b6dc225abbd9b52ab272bcd292c535a104c54b5bc02609c38a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.0"
   xdg_directories:
     dependency: transitive
     description:

pubspec.yaml

@@ -42,7 +42,7 @@ dependencies:
   flutter_gen: ^5.10.0
   country_picker: ^2.0.27
   geolocator: ^14.0.1
-  permission_handler: ^12.0.0+1
+  permission_handler: ^12.0.1
   cached_network_image: ^3.4.1
   collection: ^1.19.1
   shared_preferences: ^2.5.3
@@ -62,6 +62,12 @@ dependencies:
   dart_jsonwebtoken: ^3.2.0
   audioplayers: ^6.5.0
   intl: ^0.19.0
+  flutter_background_service: ^5.1.0
+  flutter_background_service_android: ^6.3.1
+  flutter_local_notifications: ^19.4.0
+  workmanager: ^0.7.0
+  firebase_messaging: ^15.2.10
+  firebase_crashlytics: ^4.3.10
 
 dev_dependencies:
   flutter_test:

windows/flutter/generated_plugins.cmake

@@ -19,6 +19,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
+  flutter_local_notifications_windows
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)