feat: STOMP WebSocket client implementation and UI Guardian Dashboard
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parent
6eaffaa234
commit
086d60cb7b
@ -1,41 +1,193 @@
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import 'dart:async';
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import 'dart:convert';
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import 'package:flutter/foundation.dart';
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import 'package:web_socket_channel/web_socket_channel.dart';
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import 'package:stomp_dart_client/stomp_dart_client.dart';
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import '../constants/app_constants.dart';
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import '../storage/secure_storage.dart';
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/// WebSocket Service pakai STOMP (stomp_dart_client).
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///
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/// Spring Boot backend pakai @EnableWebSocketMessageBroker dengan SockJS.
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/// Flutter connect pakai STOMP agar bisa subscribe ke topic spesifik per user.
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///
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/// Subscriptions yang dipakai:
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/// Guardian → /topic/location/{userId} live GPS update
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/// Guardian → /queue/sos/{guardianId} SOS alert real-time
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/// User → /queue/notif/{userId} notifikasi dari Guardian
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class WebSocketService {
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final SecureStorage _storage;
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WebSocketChannel? _channel;
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StreamSubscription? _subscription;
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StompClient? _client;
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bool _connected = false;
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// Subscription callbacks
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void Function(double lat, double lng)? _onLocation;
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void Function(Map<String, dynamic> sosData)? _onSos;
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void Function(Map<String, dynamic> notifData)? _onNotif;
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// Subscription frames (untuk unsubscribe)
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StompUnsubscribe? _locationUnsub;
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StompUnsubscribe? _sosUnsub;
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StompUnsubscribe? _notifUnsub;
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WebSocketService(this._storage);
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Future<void> connect(String serverUrl, {void Function(dynamic event)? onMessage}) async {
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bool get isConnected => _connected;
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/// Connect ke WebSocket server.
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/// Dipanggil setelah login berhasil (dari screens.dart _startPostLoginServices).
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Future<void> connect(String serverUrl) async {
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await disconnect();
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final token = await _storage.getAccessToken();
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final wsUrl = Uri.parse('${AppConstants.buildWsUrl(serverUrl)}${token == null ? '' : '?token=$token'}');
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try {
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_channel = WebSocketChannel.connect(wsUrl);
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_subscription = _channel!.stream.listen(
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onMessage ?? (event) => debugPrint('$event'),
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onError: (Object error, StackTrace stackTrace) => debugPrint('$error'),
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final wsUrl = AppConstants.buildWsUrl(serverUrl);
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final completer = Completer<void>();
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_client = StompClient(
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config: StompConfig(
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url: wsUrl,
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onConnect: (frame) {
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_connected = true;
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debugPrint('[WS] STOMP connected to $wsUrl');
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if (!completer.isCompleted) completer.complete();
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},
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onDisconnect: (frame) {
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_connected = false;
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debugPrint('[WS] STOMP disconnected');
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},
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onStompError: (frame) {
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debugPrint('[WS] STOMP error: ${frame.body}');
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if (!completer.isCompleted) {
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completer.completeError(frame.body ?? 'STOMP error');
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}
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},
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onWebSocketError: (dynamic error) {
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debugPrint('[WS] WebSocket error: $error');
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_connected = false;
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if (!completer.isCompleted) completer.completeError(error);
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},
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onUnhandledMessage: (frame) {
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debugPrint('[WS] Unhandled: ${frame.body}');
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},
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// Inject JWT token di header STOMP CONNECT
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stompConnectHeaders:
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token != null ? {'Authorization': 'Bearer $token'} : {},
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webSocketConnectHeaders:
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token != null ? {'Authorization': 'Bearer $token'} : {},
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reconnectDelay: const Duration(seconds: 5),
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),
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);
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_client!.activate();
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// Tunggu connected atau timeout
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try {
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await completer.future.timeout(const Duration(seconds: 5));
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} catch (e) {
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debugPrint('WebSocket connect skipped: $e');
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debugPrint('[WS] Connect timeout/error: $e');
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// Don't throw — let dashboard work without WS
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}
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}
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void send(Object message) {
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_channel?.sink.add(message);
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/// Subscribe ke live GPS updates dari User.
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/// Guardian panggil ini setelah connect.
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/// [userId] = ID dari ROLE_USER yang dipair.
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void subscribeLocation(String userId,
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void Function(double lat, double lng) callback) {
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_onLocation = callback;
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if (_client == null || !_connected) {
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debugPrint('[WS] subscribeLocation skipped — not connected');
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return;
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}
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_locationUnsub?.call(); // unsubscribe sebelumnya jika ada
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_locationUnsub = _client!.subscribe(
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destination: '/topic/location/$userId',
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callback: (frame) {
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try {
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final data =
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jsonDecode(frame.body ?? '{}') as Map<String, dynamic>;
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final lat = (data['lat'] as num?)?.toDouble();
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final lng = (data['lng'] as num?)?.toDouble();
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if (lat != null && lng != null) {
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_onLocation?.call(lat, lng);
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}
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} catch (e) {
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debugPrint('[WS] Location parse error: $e');
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}
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},
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);
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debugPrint('[WS] Subscribed to /topic/location/$userId');
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}
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/// Subscribe ke SOS alert untuk Guardian.
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/// [guardianId] = ID dari ROLE_GUARDIAN yang login.
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void subscribeSos(void Function(Map<String, dynamic> sosData) callback) {
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_onSos = callback;
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if (_client == null || !_connected) return;
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_storage.getUserId().then((guardianId) {
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if (guardianId == null) return;
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_sosUnsub?.call();
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_sosUnsub = _client!.subscribe(
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destination: '/queue/sos/$guardianId',
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callback: (frame) {
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try {
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final data =
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jsonDecode(frame.body ?? '{}') as Map<String, dynamic>;
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_onSos?.call(data);
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} catch (e) {
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debugPrint('[WS] SOS parse error: $e');
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}
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},
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);
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debugPrint('[WS] Subscribed to /queue/sos/$guardianId');
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});
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}
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/// Subscribe ke notifikasi Guardian → User.
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/// [userId] = ID dari ROLE_USER yang login.
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void subscribeNotification(
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void Function(Map<String, dynamic> notifData) callback) {
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_onNotif = callback;
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if (_client == null || !_connected) return;
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_storage.getUserId().then((userId) {
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if (userId == null) return;
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_notifUnsub?.call();
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_notifUnsub = _client!.subscribe(
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destination: '/queue/notif/$userId',
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callback: (frame) {
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try {
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final data =
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jsonDecode(frame.body ?? '{}') as Map<String, dynamic>;
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_onNotif?.call(data);
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} catch (e) {
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debugPrint('[WS] Notif parse error: $e');
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}
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},
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);
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debugPrint('[WS] Subscribed to /queue/notif/$userId');
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});
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}
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/// Disconnect dan cleanup semua subscriptions.
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Future<void> disconnect() async {
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await _subscription?.cancel();
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_subscription = null;
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await _channel?.sink.close();
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_channel = null;
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_locationUnsub?.call();
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_sosUnsub?.call();
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_notifUnsub?.call();
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_locationUnsub = null;
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_sosUnsub = null;
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_notifUnsub = null;
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_client?.deactivate();
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_client = null;
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_connected = false;
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}
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// Legacy compat — lama pakai onMessage raw
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void send(Object message) {
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debugPrint('[WS] send() not used in STOMP mode. Use subscribe callbacks.');
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}
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}
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File diff suppressed because it is too large
Load Diff
@ -947,10 +947,10 @@ packages:
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dependency: transitive
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description:
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name: meta
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sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
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sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
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url: "https://pub.dev"
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source: hosted
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version: "1.16.0"
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version: "1.17.0"
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mgrs_dart:
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dependency: transitive
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description:
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@ -1532,6 +1532,14 @@ packages:
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url: "https://pub.dev"
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source: hosted
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version: "1.12.1"
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stomp_dart_client:
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dependency: "direct main"
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description:
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name: stomp_dart_client
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sha256: "9ca00600a212f1e08fda614cf6815437829b1d08d8911ff5c798f130a2fa2d59"
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url: "https://pub.dev"
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source: hosted
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version: "2.1.3"
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stream_channel:
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dependency: transitive
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description:
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@ -1584,26 +1592,26 @@ packages:
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dependency: transitive
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description:
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name: test
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sha256: "65e29d831719be0591f7b3b1a32a3cda258ec98c58c7b25f7b84241bc31215bb"
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sha256: "75906bf273541b676716d1ca7627a17e4c4070a3a16272b7a3dc7da3b9f3f6b7"
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url: "https://pub.dev"
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source: hosted
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version: "1.26.2"
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version: "1.26.3"
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test_api:
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dependency: transitive
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description:
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name: test_api
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sha256: "522f00f556e73044315fa4585ec3270f1808a4b186c936e612cab0b565ff1e00"
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sha256: ab2726c1a94d3176a45960b6234466ec367179b87dd74f1611adb1f3b5fb9d55
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url: "https://pub.dev"
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source: hosted
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version: "0.7.6"
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version: "0.7.7"
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test_core:
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dependency: transitive
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description:
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name: test_core
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sha256: "80bf5a02b60af04b09e14f6fe68b921aad119493e26e490deaca5993fef1b05a"
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sha256: "0cc24b5ff94b38d2ae73e1eb43cc302b77964fbf67abad1e296025b78deb53d0"
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url: "https://pub.dev"
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source: hosted
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version: "0.6.11"
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version: "0.6.12"
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tflite_flutter:
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dependency: "direct main"
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description:
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@ -76,6 +76,9 @@ dependencies:
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cached_network_image: ^3.3.1
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shimmer: ^3.0.0
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# STOMP client untuk WebSocket
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stomp_dart_client: ^2.1.0
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dev_dependencies:
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flutter_test:
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sdk: flutter
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