feat: Introduce AppRouter for centralized application routing and deep link handling, and create push_navigation_handler for push notification navigation.

lib/core/app_router.dart

@@ -15,7 +15,7 @@ class AppRouter {
   static GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();
 
   // Домены для deep links (в т.ч. ссылки из пушей dev2.eatvio.com)
-  static const List<String> _deepLinkHosts = ['eatvio.ru', 'www.eatvio.ru'];
+  static const List<String> deepLinkHosts = ['eatvio.ru', 'eatvio.com'];
 
   static GoRouter appRouter = GoRouter(
     initialLocation: RouteConstants.updateScreen,
@@ -34,7 +34,8 @@ class AppRouter {
     final host = uri.host.toLowerCase();
     final segments = uri.pathSegments;
 
-    final isDeepLink = _deepLinkHosts.contains(host);
+    // Проверяем, что хост заканчивается на один из разрешенных доменов
+    final isDeepLink = deepLinkHosts.any((allowedHost) => host == allowedHost || host.endsWith('.$allowedHost'));
 
     if (!isDeepLink) {
       return null;
@@ -190,7 +191,7 @@ class AppRouter {
     if (uri.host.isEmpty && uri.pathSegments.isNotEmpty) {
       uri = Uri(
         scheme: 'https',
-        host: _deepLinkHosts.first,
+        host: deepLinkHosts.first,
         pathSegments: uri.pathSegments,
         queryParameters: uri.queryParameters.isEmpty ? null : uri.queryParameters,
       );

lib/core/notifications/push_navigation_handler.dart

@@ -1,6 +1,7 @@
 import 'dart:developer' as developer;
 
 import 'package:eatvio_app/core/app_router.dart';
+import 'package:eatvio_app/core/routing/route_constants.dart';
 import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
@@ -70,22 +71,88 @@ class PushNavigationHandler {
 
   static void _handleMessageInternal(RemoteMessage message, {required String source}) {
     final data = message.data;
-    final actionUrl = data['action_url'] as String?;
+    
+    // Пытаемся взять URL из action_url или action (бэкенд шлёт и то и другое)
+    String? rawUrl = data['action_url'] as String?;
+    if (rawUrl == null || rawUrl.isEmpty) {
+      rawUrl = data['action'] as String?;
+    }
 
-    if (actionUrl == null || actionUrl.isEmpty) {
+    if (rawUrl != null && rawUrl.isNotEmpty) {
       developer.log(
-        'PushNavigationHandler: no action_url in message data, source=$source, data=$data',
+        'PushNavigationHandler: navigating by url=$rawUrl, source=$source',
         name: 'PushNavigationHandler',
       );
+      
+      // Если это URL, но без схемы, добавляем https
+      String finalUrl = rawUrl;
+      if (!finalUrl.startsWith('http') && finalUrl.contains('/')) {
+        finalUrl = 'https://${AppRouter.deepLinkHosts.first}/$finalUrl'.replaceAll('//', '/').replaceFirst('https:/', 'https://');
+      }
+
+      AppRouter.navigateByDeepLinkUrl(finalUrl);
+      return;
+    }
+
+    // Fallback: навигация по типу уведомления, если URL отсутствует.
+    final target = _resolveTargetByType(data);
+    if (target != null) {
+      developer.log(
+        'PushNavigationHandler: fallback navigation by type, target=$target, source=$source, data=$data',
+        name: 'PushNavigationHandler',
+      );
+      AppRouter.appRouter.go(target);
       return;
     }
 
     developer.log(
-      'PushNavigationHandler: navigating by action_url=$actionUrl, source=$source',
+      'PushNavigationHandler: no action_url/action and no known type, source=$source, data=$data',
       name: 'PushNavigationHandler',
     );
+  }
 
-    AppRouter.navigateByDeepLinkUrl(actionUrl);
+  /// Определяет маршрут по полям `type` / `action` из data, если URL отсутствует.
+  static String? _resolveTargetByType(Map<String, dynamic> data) {
+    final type = data['type'] as String? ?? '';
+    final action = data['action'] as String? ?? '';
+    final databaseType = data['database_type'] as String? ?? '';
+
+    // Чат
+    if (type == 'chat_message' || databaseType == 'chat-message') {
+      return RouteConstants.chatSelectScreen;
+    }
+
+    // Дневник
+    if (type == 'diary_reminder' || action == 'open_diary' || databaseType == 'diary-reminder') {
+      return RouteConstants.diaryScreen;
+    }
+
+    // Комментарий консультанта к дневнику
+    if (type == 'consultant_diary_comment' || databaseType == 'consultant-left-diary-comment') {
+      return RouteConstants.diaryScreen;
+    }
+
+    // Консультации (plan-related)
+    if (type.startsWith('plan_') || type.startsWith('chosen_plan_') || databaseType.contains('plan')) {
+      return RouteConstants.consultationsScreen;
+    }
+
+    // Диета
+    if (type == 'diet_started' || type == 'diet_cancelled' || databaseType.startsWith('diet-')) {
+      return RouteConstants.feedScreen;
+    }
+
+    // Бейдж
+    if (type == 'badge_awarded' || databaseType == 'badge-awarded') {
+      return RouteConstants.myProfileScreen;
+    }
+
+    // Мотивация
+    if (type == 'motivation') {
+      return RouteConstants.feedScreen;
+    }
+
+    return null;
   }
 }