feat(llc): allow overridding websocket baseUrl (#2093)

Co-authored-by: Sahil Kumar <sahil@getstream.io>

Author: kanat

packages/stream_chat/CHANGELOG.md

@@ -1,3 +1,17 @@
+## Upcoming
+
+✅ Added
+
+- Added support for overriding the `baseUrl` of the websocket.
+
+  ```dart
+  final client = StreamChatClient(
+    apiKey,
+    logLevel: Level.INFO,
+    baseWsUrl: 'http://localhost:8080',
+  );
+  ```
+
 ## 9.2.0
 
 - Bug fixes and improvements

packages/stream_chat/lib/src/client/client.dart

@@ -69,6 +69,7 @@ class StreamChatClient {
     this.logHandlerFunction = StreamChatClient.defaultLogHandler,
     RetryPolicy? retryPolicy,
     String? baseURL,
+    String? baseWsUrl,
     Duration connectTimeout = const Duration(seconds: 6),
     Duration receiveTimeout = const Duration(seconds: 6),
     StreamChatApi? chatApi,
@@ -102,7 +103,7 @@ class StreamChatClient {
     _ws = ws ??
         WebSocket(
           apiKey: apiKey,
-          baseUrl: options.baseUrl,
+          baseUrl: baseWsUrl ?? options.baseUrl,
           tokenManager: _tokenManager,
           handler: handleEvent,
           logger: detachedLogger('🔌'),

packages/stream_chat/lib/src/core/api/moderation_api.dart

@@ -1,6 +1,5 @@
 import 'dart:convert';
 
-import 'package:stream_chat/src/core/http/stream_http_client.dart';
 import 'package:stream_chat/stream_chat.dart';
 
 /// Defines the api dedicated to moderation operations

packages/stream_chat/lib/src/ws/websocket.dart

@@ -165,11 +165,26 @@ class WebSocket with TimerHelper {
       'stream-auth-type': token.authType.name,
       ...queryParameters,
     };
-    final scheme = baseUrl.startsWith('https') ? 'wss' : 'ws';
-    final host = baseUrl.replaceAll(RegExp(r'(^\w+:|^)\/\/'), '');
+
+    final scheme = switch (baseUrl) {
+      final url when url.startsWith(RegExp('^(ws?|http?)://')) => 'ws',
+      final url when url.startsWith(RegExp('^(wss?|https?)://')) => 'wss',
+      _ => throw const FormatException('Invalid url format'),
+    };
+
+    final address = baseUrl.replaceAll(RegExp(r'(^\w+:|^)\/\/'), '');
+    final (:host, :port) = switch (address.split(':')) {
+      [final host] => (host: host, port: null),
+      [final host, final port] => (host: host, port: int.tryParse(port)),
+      _ => throw const FormatException('Invalid address format'),
+    };
+
+    _logger?.info('[buildUri] #ws; scheme: $scheme, host: $host, port: $port');
+
     return Uri(
       scheme: scheme,
       host: host,
+      port: port,
       pathSegments: ['connect'],
       queryParameters: qs,
     );
@@ -199,6 +214,7 @@ class WebSocket with TimerHelper {
       final uri = await _buildUri(
         includeUserDetails: includeUserDetails,
       );
+      _logger?.info('[connect] #ws; uri: $uri');
       _initWebSocketChannel(uri);
     } catch (e, stk) {
       _onConnectionError(e, stk);
@@ -230,6 +246,7 @@ class WebSocket with TimerHelper {
           refreshToken: refreshToken,
           includeUserDetails: false,
         );
+        _logger?.info('[reconnect] #ws; uri: $uri');
         try {
           _initWebSocketChannel(uri);
         } catch (e, stk) {
@@ -350,7 +367,8 @@ class WebSocket with TimerHelper {
   }
 
   void _onConnectionError(error, [stacktrace]) {
-    _logger?.warning('Error occurred', error, stacktrace);
+    _logger?.warning(
+        '[onConnectionError] #ws; error occurred', error, stacktrace);
 
     StreamWebSocketError wsError;
     if (error is WebSocketChannelException) {

packages/stream_chat/lib/stream_chat.dart

@@ -25,6 +25,7 @@ export 'src/core/api/responses.dart';
 export 'src/core/api/stream_chat_api.dart';
 export 'src/core/error/error.dart';
 export 'src/core/http/interceptor/logging_interceptor.dart';
+export 'src/core/http/stream_http_client.dart';
 export 'src/core/models/action.dart';
 export 'src/core/models/attachment.dart';
 export 'src/core/models/attachment_file.dart';

packages/stream_chat/test/src/core/http/interceptor/auth_interceptor_test.dart

@@ -4,7 +4,6 @@ import 'package:dio/dio.dart';
 import 'package:mocktail/mocktail.dart';
 import 'package:stream_chat/src/core/http/interceptor/auth_interceptor.dart';
 import 'package:stream_chat/src/core/http/stream_chat_dio_error.dart';
-import 'package:stream_chat/src/core/http/stream_http_client.dart';
 import 'package:stream_chat/src/core/http/token.dart';
 import 'package:stream_chat/src/core/http/token_manager.dart';
 import 'package:stream_chat/stream_chat.dart';

packages/stream_chat/test/src/ws/websocket_test.dart

@@ -29,7 +29,7 @@ void main() {
 
     webSocket = WebSocket(
       apiKey: 'api-key',
-      baseUrl: 'base-url',
+      baseUrl: 'ws://<local-ip>:8800',
       tokenManager: tokenManager,
       webSocketChannelProvider: channelProvider,
     );