TF-3157 Remove unnecessary background service worker

lib/features/push_notification/data/model/web_socket_echo.dart

@@ -1,31 +0,0 @@
-import 'package:json_annotation/json_annotation.dart';
-
-part 'web_socket_echo.g.dart';
-
-@JsonSerializable(includeIfNull: false)
-class WebSocketEcho {
-  @JsonKey(name: '@type')
-  final String? type;
-  final String? requestId;
-  final List<List<dynamic>>? methodResponses;
-
-  WebSocketEcho({
-    this.type,
-    this.requestId,
-    this.methodResponses,
-  });
-
-  factory WebSocketEcho.fromJson(Map<String, dynamic> json) => _$WebSocketEchoFromJson(json);
-
-  Map<String, dynamic> toJson() => _$WebSocketEchoToJson(this);
-
-  static bool isValid(Map<String, dynamic> json) {
-    try {
-      final webSocketEcho = WebSocketEcho.fromJson(json);
-      final listResponses = webSocketEcho.methodResponses?.firstOrNull;
-      return listResponses?.contains('Core/echo') ?? false;
-    } catch (_) {
-      return false;
-    }
-  }
-}

lib/features/push_notification/data/model/web_socket_echo_request.dart

@@ -0,0 +1,19 @@
+import 'package:jmap_dart_client/jmap/core/capability/capability_identifier.dart';
+import 'package:tmail_ui_user/features/push_notification/data/model/web_socket_request.dart';
+
+class WebSocketEchoRequest extends WebSocketRequest {
+  static const String type = 'Request';
+  static const String id = 'R1';
+  static final CapabilityIdentifier usingCapability = CapabilityIdentifier.jmapCore;
+  static const String method = 'Core/echo';
+
+  @override
+  Map<String, dynamic> toJson() {
+    return {
+      '@type': type,
+      'id': id,
+      'using': [usingCapability.value.toString()],
+      'methodCalls': [[method, {}, 'c0']],
+    };
+  }
+}

lib/features/push_notification/data/model/web_socket_push_enable_request.dart

@@ -0,0 +1,14 @@
+import 'package:fcm/model/type_name.dart';
+
+class WebSocketPushEnableRequest {
+  static const String type = 'WebSocketPushEnable';
+
+  static Map<String, dynamic> toJson({
+    required List<TypeName> dataTypes,
+  }) {
+    return {
+      '@type': type,
+      'dataTypes': dataTypes.map((typeName) => typeName.value).toList(),
+    };
+  }
+}

lib/features/push_notification/data/model/web_socket_request.dart

@@ -0,0 +1,5 @@
+abstract class WebSocketRequest {
+  const WebSocketRequest();
+
+  Map<String, dynamic> toJson();
+}