Merge commit 'e5d30a9f6d0854e20049309333c2f637cd03025c' as 'frontend'

frontend/lib/services/task_service.dart

@@ -0,0 +1,81 @@
+import 'package:auto_gpt_flutter_client/models/task_request_body.dart';
+import 'package:auto_gpt_flutter_client/models/task_response.dart';
+import 'package:auto_gpt_flutter_client/utils/rest_api_utility.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+/// Service class for performing task-related operations.
+class TaskService {
+  final RestApiUtility api;
+  List<String> _deletedTaskIds = [];
+
+  TaskService(this.api);
+
+  /// Creates a new task.
+  ///
+  /// [taskRequestBody] is a Map representing the request body for creating a task.
+  Future<Map<String, dynamic>> createTask(
+      TaskRequestBody taskRequestBody) async {
+    try {
+      return await api.post('agent/tasks', taskRequestBody.toJson());
+    } catch (e) {
+      throw Exception('Failed to create a new task: $e');
+    }
+  }
+
+  /// Lists all tasks.
+  ///
+  /// [currentPage] and [pageSize] are optional pagination parameters.
+  ///
+  Future<TaskResponse> listAllTasks(
+      {int currentPage = 1, int pageSize = 10}) async {
+    try {
+      final response = await api
+          .get('agent/tasks?current_page=$currentPage&page_size=$pageSize');
+      return TaskResponse.fromJson(response);
+    } catch (e) {
+      throw Exception('Failed to list all tasks: $e');
+    }
+  }
+
+  /// Gets details about a specific task.
+  ///
+  /// [taskId] is the ID of the task.
+  Future<Map<String, dynamic>> getTaskDetails(String taskId) async {
+    try {
+      return await api.get('agent/tasks/$taskId');
+    } catch (e) {
+      throw Exception('Failed to get task details: $e');
+    }
+  }
+
+  /// Lists all artifacts for a specific task.
+  ///
+  /// [taskId] is the ID of the task.
+  /// [currentPage] and [pageSize] are optional pagination parameters.
+  Future<Map<String, dynamic>> listTaskArtifacts(String taskId,
+      {int currentPage = 1, int pageSize = 10}) async {
+    try {
+      return await api.get(
+          'agent/tasks/$taskId/artifacts?current_page=$currentPage&page_size=$pageSize');
+    } catch (e) {
+      throw Exception('Failed to list task artifacts: $e');
+    }
+  }
+
+  Future<void> loadDeletedTasks() async {
+    _deletedTaskIds =
+        (await SharedPreferences.getInstance()).getStringList('deletedTasks') ??
+            [];
+    print("Deleted tasks fetched successfully!");
+  }
+
+  void saveDeletedTask(String taskId) {
+    _deletedTaskIds.add(taskId);
+    SharedPreferences.getInstance()
+        .then((prefs) => prefs.setStringList('deletedTasks', _deletedTaskIds));
+  }
+
+  bool isTaskDeleted(String taskId) {
+    return _deletedTaskIds.contains(taskId);
+  }
+}