Added notification logic and view api

lib/data/services/notification_service.dart

@@ -0,0 +1,48 @@
+// notification_service.dart
+import 'dart:convert';
+import 'package:tm_app/data/services/api/notification_api.dart';
+import 'package:tm_app/data/services/model/notification__response/notification_response_model.dart';
+
+import 'package:tm_app/core/utils/result.dart';
+import '../../core/network/network_manager.dart';
+
+class NotificationsService {
+  NotificationsService({required NetworkManager networkManager})
+      : _networkManager = networkManager;
+  final NetworkManager _networkManager;
+
+  Future<Result<NotificationResponseModel>> getNotifications({
+    required int limit,
+    required int offset,
+  }) async {
+    final result = await _networkManager.makeRequest(
+      NotificationApi.getNotifications(limit: limit, offset: offset),
+      //NotificationApi.notifications,
+      method: 'GET',
+      (json) => NotificationResponseModel.fromJson(json),
+    );
+    return result;
+  }
+
+  Future<Result<NotificationResponseModel>> markAllAsRead() async {
+    final result = await _networkManager.makeRequest(
+      NotificationApi.markAllAsRead,
+      method: 'POST',
+      (json) => NotificationResponseModel.fromJson(json),
+    );
+    return result;
+  }
+
+  Future<Result<NotificationResponseModel>> markAsRead({
+    required String notificationId,
+  }) async {
+    final data = jsonEncode({'notification_id': notificationId});
+    final result = await _networkManager.makeRequest(
+      NotificationApi.markAsRead,
+      method: 'POST',
+      (json) => NotificationResponseModel.fromJson(json),
+      data: data,
+    );
+    return result;
+  }
+}