chat support

lib/services/chat_realtime_service.dart

@@ -0,0 +1,62 @@
+import 'dart:convert';
+import 'package:pusher_channels_flutter/pusher_channels_flutter.dart';
+import '../services/dio_client.dart';
+
+class ChatRealtimeService {
+  static final PusherChannelsFlutter _pusher =
+  PusherChannelsFlutter.getInstance();
+
+  static Future<void> connect({
+    required int ticketId,
+    required Function(Map<String, dynamic>) onMessage,
+  }) async {
+
+    print(" 🧪🧪🧪🧪🧪🧪🧪🧪🧪SUBSCRIBING TO: private-ticket.$ticketId");
+
+    await _pusher.init(
+      apiKey: "q5fkk5rvcnatvbgadwvl",
+      cluster: "mt1",
+
+      onAuthorizer: (channelName, socketId, options) async {
+        print("🧪🧪🧪🧪🧪🧪🧪🧪🧪🧪AUTHORIZING CHANNEL: $channelName");
+
+        final dio = DioClient.getInstance(options);
+
+        final res = await dio.post(
+          '/broadcasting/auth',
+          data: {
+            'socket_id': socketId,
+            'channel_name': channelName,
+          },
+        );
+
+        return res.data;
+      },
+
+      onEvent: (event) {
+        if (event.eventName == "NewChatMessage") {
+          final data = jsonDecode(event.data);
+          onMessage(Map<String, dynamic>.from(data));
+        }
+      },
+
+      onConnectionStateChange: (current, previous) {
+        print("PUSHER STATE: $current");
+      },
+
+      onError: (message, code, error) {
+        print("PUSHER ERROR: $message");
+      },
+    );
+
+    await _pusher.subscribe(
+      channelName: "private-ticket.$ticketId",
+    );
+
+    await _pusher.connect();
+  }
+
+  static Future<void> disconnect() async {
+    await _pusher.disconnect();
+  }
+}