TF-3157 Implement web socket push

2024-09-23 13:38:45 +07:00
parent ee776311c7
commit c4d0c27603
24 changed files with 773 additions and 131 deletions
@@ -0,0 +1,76 @@
+import 'dart:convert';
+
+import 'package:core/utils/app_logger.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/core/capability/capability_identifier.dart';
+import 'package:jmap_dart_client/jmap/core/capability/websocket_capability.dart';
+import 'package:jmap_dart_client/jmap/core/session/session.dart';
+import 'package:model/extensions/session_extension.dart';
+import 'package:rxdart/transformers.dart';
+import 'package:tmail_ui_user/features/push_notification/data/datasource/web_socket_datasource.dart';
+import 'package:tmail_ui_user/features/push_notification/data/network/web_socket_api.dart';
+import 'package:tmail_ui_user/features/push_notification/domain/exceptions/web_socket_exceptions.dart';
+import 'package:tmail_ui_user/main/error/capability_validator.dart';
+import 'package:tmail_ui_user/main/exceptions/exception_thrower.dart';
+import 'package:web_socket_channel/web_socket_channel.dart';
+
+class RemoteWebSocketDatasourceImpl implements WebSocketDatasource {
+  final WebSocketApi _webSocketApi;
+  final ExceptionThrower _exceptionThrower;
+  
+  const RemoteWebSocketDatasourceImpl(this._webSocketApi, this._exceptionThrower);
+
+  @override
+  Stream getWebSocketChannel(Session session, AccountId accountId) {
+    return Stream
+      .castFrom(_getWebSocketChannel(session, accountId))
+      .doOnError(_exceptionThrower.throwException);
+  }
+
+  Stream _getWebSocketChannel(
+    Session session,
+    AccountId accountId,
+    [int retryRemained = 3]
+    ) async* {
+    try {
+      _verifyWebSocketCapabilities(session, accountId);
+      final webSocketTicket = await _webSocketApi.getWebSocketTicket(session, accountId);
+      final webSocketUri = _getWebSocketUri(session, accountId);
+      
+      final webSocketChannel = WebSocketChannel.connect(
+        Uri.parse('$webSocketUri?ticket=$webSocketTicket'));
+      await webSocketChannel.ready;
+      webSocketChannel.sink.add(jsonEncode({"@type": "WebSocketPushEnable"}));
+      
+      yield* webSocketChannel.stream;
+    } catch (e) {
+      logError('RemoteWebSocketDatasourceImpl::getWebSocketChannel():error: $e');
+      if (retryRemained > 0) {
+        yield* _getWebSocketChannel(session, accountId, retryRemained - 1);
+      } else {
+        rethrow;
+      }
+    }
+  }
+
+  void _verifyWebSocketCapabilities(Session session, AccountId accountId) {
+    if (!CapabilityIdentifier.jmapWebSocket.isSupported(session, accountId)
+      || !CapabilityIdentifier.jmapWebSocketTicket.isSupported(session, accountId)
+    ) {
+      throw WebSocketPushNotSupportedException();
+    }
+  }
+
+  Uri _getWebSocketUri(Session session, AccountId accountId) {
+    final webSocketCapability = session.getCapabilityProperties<WebSocketCapability>(
+      accountId,
+      CapabilityIdentifier.jmapWebSocket);
+    if (webSocketCapability?.supportsPush != true) {
+      throw WebSocketPushNotSupportedException();
+    }
+    final webSocketUri = webSocketCapability?.url;
+    if (webSocketUri == null) throw WebSocketUriUnavailableException();
+
+    return webSocketUri;
+  }
+}