fix: issue-1049, issue-1039, issue-1035, issue-1032, issue-995, issue-993

lib/core/app_initializer.dart

@@ -1,15 +1,11 @@
 import 'dart:async';
-import 'dart:developer';
 import 'dart:io' as io;
-import 'package:eatvio_app/core/app_config.dart';
 import 'package:eatvio_app/core/env_config.dart';
 import 'package:eatvio_app/core/error_reporting/error_report_policy.dart';
 import 'package:eatvio_app/core/locator_service.dart' as di;
-import 'package:eatvio_app/core/locator_service.dart';
 import 'package:eatvio_app/features/video_calls/services/video_call_fcm_handler.dart';
 import 'package:eatvio_app/firebase_options.dart';
 import 'package:firebase_core/firebase_core.dart';
-import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter_native_splash/flutter_native_splash.dart';
 import 'package:flutter_dotenv/flutter_dotenv.dart';
@@ -18,7 +14,6 @@ import 'package:sentry_flutter/sentry_flutter.dart';
 
 /// Класс для инициализации приложения
 class AppInitializer {
-
   /// Инициализация всех сервисов приложения
   static Future<void> initialize({required AppBuildType buildType}) async {
     await _initializeEnvironment();
@@ -42,25 +37,21 @@ class AppInitializer {
 
   /// Инициализация Firebase
   static Future<void> _initializeFirebase() async {
-    await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform).timeout(
+    await Firebase.initializeApp(
+      options: DefaultFirebaseOptions.currentPlatform,
+    ).timeout(
       const Duration(seconds: 10),
       onTimeout: () {
         throw TimeoutException('Firebase initialization timeout');
       },
     );
     VideoCallFcmHandler.registerBackgroundHandler();
-    if (sl<AppConfig>().buildType == AppBuildType.prod) {
-      try {
-        await FirebaseMessaging.instance.requestPermission().timeout(const Duration(seconds: 5));
-      } catch (e) {
-        // Разрешение не критично, продолжаем работу
-        log('Failed to request Firebase messaging permission: $e');
-      }
-    }
   }
 
   /// Инициализация системы внедрения зависимостей
-  static Future<void> _initializeDependencyInjection({required AppBuildType buildType}) async {
+  static Future<void> _initializeDependencyInjection({
+    required AppBuildType buildType,
+  }) async {
     await di.init(buildType: buildType);
   }
 

lib/core/firebase_api.dart

@@ -3,6 +3,7 @@ import 'dart:developer';
 import 'dart:io';
 import 'package:eatvio_app/core/app_config.dart';
 import 'package:eatvio_app/core/app_initializer.dart';
+import 'package:eatvio_app/core/notifications/notification_permission_requester.dart';
 import 'package:eatvio_app/core/utils/toasts.dart';
 import 'package:flutter/services.dart';
 import 'package:device_info_plus/device_info_plus.dart';
@@ -16,9 +17,14 @@ import 'package:flutter_callkit_incoming/flutter_callkit_incoming.dart';
 
 class FirebaseApi {
   final ErrorReporter _errorReporter;
+  final NotificationPermissionRequester _notificationPermissionRequester;
   final _firebaseMessaging = FirebaseMessaging.instance;
 
-  FirebaseApi({required ErrorReporter errorReporter}) : _errorReporter = errorReporter;
+  FirebaseApi({
+    required ErrorReporter errorReporter,
+    NotificationPermissionRequester? notificationPermissionRequester,
+  }) : _errorReporter = errorReporter,
+       _notificationPermissionRequester = notificationPermissionRequester ?? NotificationPermissionRequester();
 
   Future<String?> getToken() async {
     String? token;
@@ -29,16 +35,6 @@ class FirebaseApi {
         onTimeout: () => null,
       );
     } else {
-      if ((sl<AppConfig>().buildType == AppBuildType.prod)) {
-        try {
-          await _firebaseMessaging.requestPermission().timeout(
-            const Duration(seconds: 5),
-          );
-        } catch (e) {
-          // Разрешение не критично, продолжаем
-          log('Failed to request Firebase messaging permission: $e');
-        }
-      }
       token = await _firebaseMessaging.getToken().timeout(
         const Duration(seconds: 5),
         onTimeout: () => null,
@@ -47,8 +43,20 @@ class FirebaseApi {
     return token;
   }
 
+  Future<void> _requestNotificationPermission() async {
+    if (sl<AppConfig>().buildType != AppBuildType.prod) return;
+    try {
+      await _notificationPermissionRequester.requestOnce(
+        () => _firebaseMessaging.requestPermission(),
+      );
+    } catch (e) {
+      log('Failed to request Firebase messaging permission: $e');
+    }
+  }
+
   Future<void> registerAnonymousPushToken() async {
     try {
+      await _requestNotificationPermission();
       final deviceInfo = DeviceInfoPlugin();
       await sl<Dio>().post(
         '/api/anonymous_token',
@@ -73,6 +81,7 @@ class FirebaseApi {
   Future<void> registerPushToken() async {
     if (await TokenStorage.haveTokenInStorage()) {
       try {
+        await _requestNotificationPermission();
         final deviceInfo = DeviceInfoPlugin();
         final isHuawei = Platform.isAndroid ? await _isHuaweiDevice() : false;
         await sl<Dio>().post(

lib/core/notifications/notification_permission_requester.dart

@@ -0,0 +1,22 @@
+class NotificationPermissionRequester {
+  Future<void>? _inFlight;
+
+  /// Coalesces overlapping calls so the OS prompt is shown at most once at a time.
+  Future<void> requestOnce(Future<void> Function() requestPermission) async {
+    final inFlight = _inFlight;
+    if (inFlight != null) {
+      await inFlight;
+      return;
+    }
+
+    final future = requestPermission();
+    _inFlight = future;
+    try {
+      await future;
+    } finally {
+      if (identical(_inFlight, future)) {
+        _inFlight = null;
+      }
+    }
+  }
+}