setup fcm
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Efril
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import 'package:firebase_messaging/firebase_messaging.dart';
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import 'package:flutter_local_notifications/flutter_local_notifications.dart';
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import 'package:injectable/injectable.dart';
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@module
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abstract class FirebaseDi {
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@lazySingleton
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FirebaseMessaging get messaging => FirebaseMessaging.instance;
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@lazySingleton
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FlutterLocalNotificationsPlugin get localNotifications =>
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FlutterLocalNotificationsPlugin();
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}
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// CONTOH PENGGUNAAN FCM SERVICE
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// File ini hanya untuk referensi, tidak perlu diimport ke app
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import 'package:apskel_pos_flutter_v2/common/service/fcm_service.dart';
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import 'package:apskel_pos_flutter_v2/injection.dart';
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/// Contoh 1: Ambil FCM token
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Future<void> exampleGetToken() async {
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final fcmService = getIt<FcmService>();
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final token = await fcmService.getToken();
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print('FCM Token: $token');
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// Kirim token ke server untuk push notification
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// await apiClient.sendTokenToServer(token);
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}
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/// Contoh 2: Subscribe ke topic
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Future<void> exampleSubscribeToTopic() async {
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final fcmService = getIt<FcmService>();
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// Subscribe ke topic "all_users"
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await fcmService.subscribeToTopic('all_users');
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// Subscribe ke topic berdasarkan outlet_id
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await fcmService.subscribeToTopic('outlet_123');
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}
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/// Contoh 3: Unsubscribe dari topic
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Future<void> exampleUnsubscribeFromTopic() async {
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final fcmService = getIt<FcmService>();
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await fcmService.unsubscribeFromTopic('outlet_123');
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}
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/// Contoh 4: Gunakan di BLoC
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///
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/// class NotificationBloc extends Bloc<NotificationEvent, NotificationState> {
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/// final FcmService _fcmService;
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///
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/// NotificationBloc(this._fcmService) : super(NotificationInitial()) {
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/// on<GetFcmToken>(_onGetFcmToken);
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/// on<SubscribeToTopic>(_onSubscribeToTopic);
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/// }
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///
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/// Future<void> _onGetFcmToken(
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/// GetFcmToken event,
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/// Emitter<NotificationState> emit,
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/// ) async {
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/// final token = await _fcmService.getToken();
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/// emit(NotificationTokenLoaded(token));
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/// }
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///
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/// Future<void> _onSubscribeToTopic(
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/// SubscribeToTopic event,
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/// Emitter<NotificationState> emit,
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/// ) async {
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/// await _fcmService.subscribeToTopic(event.topic);
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/// emit(NotificationTopicSubscribed(event.topic));
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/// }
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/// }
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/// Contoh 5: Gunakan di Repository
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///
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/// @LazySingleton(as: IAuthRepository)
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/// class AuthRepository implements IAuthRepository {
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/// final FcmService _fcmService;
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/// final ApiClient _apiClient;
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///
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/// AuthRepository(this._fcmService, this._apiClient);
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///
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/// @override
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/// Future<Either<Failure, User>> login(String email, String password) async {
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/// try {
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/// final response = await _apiClient.login(email, password);
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///
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/// // Kirim FCM token ke server setelah login berhasil
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/// final fcmToken = await _fcmService.getToken();
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/// if (fcmToken != null) {
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/// await _apiClient.updateFcmToken(fcmToken);
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/// }
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///
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/// return Right(response);
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/// } catch (e) {
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/// return Left(ServerFailure(e.toString()));
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/// }
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/// }
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/// }
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import 'dart:developer';
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import 'package:firebase_messaging/firebase_messaging.dart';
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import 'package:flutter_local_notifications/flutter_local_notifications.dart';
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import 'package:injectable/injectable.dart';
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/// Background message handler — harus top-level function
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@pragma('vm:entry-point')
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Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
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log('[FCM] Background message: ${message.messageId}');
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}
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@lazySingleton
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class FcmService {
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FcmService(this._messaging, this._localNotifications);
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final FirebaseMessaging _messaging;
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final FlutterLocalNotificationsPlugin _localNotifications;
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/// Inisialisasi FCM: minta permission, set handler, ambil token
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Future<void> initialize() async {
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// Setup local notifications
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await _setupLocalNotifications();
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// Register background handler
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FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
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// Minta permission notifikasi (iOS & Android 13+)
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final settings = await _messaging.requestPermission(
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alert: true,
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badge: true,
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sound: true,
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provisional: false,
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);
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log('[FCM] Permission status: ${settings.authorizationStatus}');
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if (settings.authorizationStatus == AuthorizationStatus.authorized ||
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settings.authorizationStatus == AuthorizationStatus.provisional) {
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await _setupTokenHandling();
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_setupForegroundHandler();
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_setupOpenedAppHandler();
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}
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}
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Future<void> _setupLocalNotifications() async {
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const androidSettings = AndroidInitializationSettings('@mipmap/ic_launcher');
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const iosSettings = DarwinInitializationSettings(
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requestAlertPermission: true,
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requestBadgePermission: true,
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requestSoundPermission: true,
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);
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const initSettings = InitializationSettings(
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android: androidSettings,
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iOS: iosSettings,
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);
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await _localNotifications.initialize(
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initSettings,
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onDidReceiveNotificationResponse: _onNotificationTapped,
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);
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// Android notification channel
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const channel = AndroidNotificationChannel(
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'high_importance_channel',
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'High Importance Notifications',
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description: 'This channel is used for important notifications.',
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importance: Importance.high,
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);
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await _localNotifications
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.resolvePlatformSpecificImplementation<
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AndroidFlutterLocalNotificationsPlugin>()
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?.createNotificationChannel(channel);
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}
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void _onNotificationTapped(NotificationResponse response) {
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log('[FCM] Notification tapped: ${response.payload}');
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// TODO: handle navigation berdasarkan payload
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}
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Future<void> _setupTokenHandling() async {
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final token = await getToken();
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log('========================================');
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log('[FCM] TOKEN: $token');
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log('========================================');
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// TODO: kirim token ke server jika diperlukan
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_messaging.onTokenRefresh.listen((newToken) {
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log('========================================');
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log('[FCM] TOKEN REFRESHED: $newToken');
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log('========================================');
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// TODO: kirim token baru ke server jika diperlukan
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});
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}
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void _setupForegroundHandler() {
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FirebaseMessaging.onMessage.listen((RemoteMessage message) {
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log('[FCM] Foreground message: ${message.messageId}');
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log('[FCM] Title: ${message.notification?.title}');
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log('[FCM] Body: ${message.notification?.body}');
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log('[FCM] Data: ${message.data}');
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// Tampilkan notifikasi lokal saat app di foreground
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final notification = message.notification;
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if (notification != null) {
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_showLocalNotification(
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id: message.hashCode,
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title: notification.title ?? '',
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body: notification.body ?? '',
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payload: message.data.toString(),
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);
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}
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});
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}
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void _setupOpenedAppHandler() {
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// App dibuka dari notifikasi saat terminated
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_messaging.getInitialMessage().then((RemoteMessage? message) {
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if (message != null) {
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log('[FCM] App opened from terminated via: ${message.messageId}');
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_handleMessageNavigation(message);
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}
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});
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// App dibuka dari notifikasi saat background
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FirebaseMessaging.onMessageOpenedApp.listen((RemoteMessage message) {
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log('[FCM] App opened from background via: ${message.messageId}');
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_handleMessageNavigation(message);
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});
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}
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void _handleMessageNavigation(RemoteMessage message) {
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// TODO: tambahkan logika navigasi berdasarkan message.data
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log('[FCM] Handle navigation for: ${message.data}');
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}
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Future<void> _showLocalNotification({
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required int id,
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required String title,
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required String body,
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String? payload,
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}) async {
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const androidDetails = AndroidNotificationDetails(
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'high_importance_channel',
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'High Importance Notifications',
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channelDescription: 'This channel is used for important notifications.',
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importance: Importance.high,
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priority: Priority.high,
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showWhen: true,
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icon: 'ic_notification',
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);
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const iosDetails = DarwinNotificationDetails(
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presentAlert: true,
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presentBadge: true,
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presentSound: true,
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);
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const details = NotificationDetails(
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android: androidDetails,
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iOS: iosDetails,
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);
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await _localNotifications.show(id, title, body, details, payload: payload);
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log('[FCM] Local notification shown: $title');
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}
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/// Ambil FCM token perangkat
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Future<String?> getToken() async {
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try {
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return await _messaging.getToken();
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} catch (e) {
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log('[FCM] Failed to get token: $e');
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return null;
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}
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}
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/// Subscribe ke topic tertentu
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Future<void> subscribeToTopic(String topic) async {
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await _messaging.subscribeToTopic(topic);
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log('[FCM] Subscribed to topic: $topic');
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}
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/// Unsubscribe dari topic tertentu
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Future<void> unsubscribeFromTopic(String topic) async {
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await _messaging.unsubscribeFromTopic(topic);
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log('[FCM] Unsubscribed from topic: $topic');
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}
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}
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