refactor: Projektstruktur in app/ und backend/ aufgeteilt

2026-03-24 15:06:44 +01:00
parent 5f5d5995c5
commit 2673ef658d
449 changed files with 28551 additions and 167 deletions
--- a/app/lib/services/notification_service.dart
+++ b/app/lib/services/notification_service.dart
@@ -0,0 +1,123 @@
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:votianlt_app/services/developer.dart' as developer;
+
+class NotificationService {
+  NotificationService._internal();
+  static final NotificationService _instance = NotificationService._internal();
+  factory NotificationService() => _instance;
+
+  final FlutterLocalNotificationsPlugin _plugin =
+      FlutterLocalNotificationsPlugin();
+
+  bool _initialized = false;
+
+  /// The conversation key of the chat currently being viewed by the user.
+  /// When set, incoming chat notifications for this conversation are suppressed.
+  String? activeConversationKey;
+
+  static const String _chatChannelId = 'chat_messages';
+  static const String _chatChannelName = 'Chat-Nachrichten';
+  static const String _chatChannelDescription =
+      'Benachrichtigungen bei neuen Chat-Nachrichten';
+
+  static const String _jobChannelId = 'new_jobs';
+  static const String _jobChannelName = 'Neue Jobs';
+  static const String _jobChannelDescription =
+      'Benachrichtigungen bei neuen Job-Zuweisungen';
+
+  int _nextId = 0;
+
+  Future<void> initialize() async {
+    if (_initialized) return;
+
+    const androidSettings = AndroidInitializationSettings(
+      '@mipmap/ic_launcher',
+    );
+
+    const iosSettings = DarwinInitializationSettings(
+      requestAlertPermission: true,
+      requestBadgePermission: true,
+      requestSoundPermission: true,
+    );
+
+    const initSettings = InitializationSettings(
+      android: androidSettings,
+      iOS: iosSettings,
+    );
+
+    await _plugin.initialize(initSettings);
+
+    await _plugin
+        .resolvePlatformSpecificImplementation<
+            AndroidFlutterLocalNotificationsPlugin>()
+        ?.requestNotificationsPermission();
+
+    _initialized = true;
+    developer.log('NotificationService initialized',
+        name: 'NotificationService');
+  }
+
+  Future<void> showChatNotification({
+    required String title,
+    required String body,
+    required String conversationKey,
+  }) async {
+    if (!_initialized) return;
+
+    if (activeConversationKey == conversationKey) return;
+
+    const androidDetails = AndroidNotificationDetails(
+      _chatChannelId,
+      _chatChannelName,
+      channelDescription: _chatChannelDescription,
+      importance: Importance.high,
+      priority: Priority.high,
+      playSound: true,
+      enableVibration: true,
+    );
+
+    const iosDetails = DarwinNotificationDetails(
+      presentAlert: true,
+      presentBadge: true,
+      presentSound: true,
+    );
+
+    const details = NotificationDetails(
+      android: androidDetails,
+      iOS: iosDetails,
+    );
+
+    await _plugin.show(_nextId++, title, body, details,
+        payload: 'chat:$conversationKey');
+  }
+
+  Future<void> showJobNotification({
+    required String title,
+    required String body,
+  }) async {
+    if (!_initialized) return;
+
+    const androidDetails = AndroidNotificationDetails(
+      _jobChannelId,
+      _jobChannelName,
+      channelDescription: _jobChannelDescription,
+      importance: Importance.high,
+      priority: Priority.high,
+      playSound: true,
+      enableVibration: true,
+    );
+
+    const iosDetails = DarwinNotificationDetails(
+      presentAlert: true,
+      presentBadge: true,
+      presentSound: true,
+    );
+
+    const details = NotificationDetails(
+      android: androidDetails,
+      iOS: iosDetails,
+    );
+
+    await _plugin.show(_nextId++, title, body, details, payload: 'job');
+  }
+}