重构路径规划生成接口使其完全符合 Clean Architecture 规范

lib/features/devices/data/datasources/impl/path_http_datasource_impl.dart

@@ -0,0 +1,48 @@
+import 'dart:convert';
+
+import '../../../../../core/storage/user_storage.dart';
+import '../../models/device_add_path_point_model.dart';
+import '../path_http_datasource.dart';
+import 'package:http/http.dart' as http;
+class PathHttpDatasourceImpl implements PathHttpDatasource {
+
+  final UserStorage _userStorage;
+
+  PathHttpDatasourceImpl(this._userStorage);
+
+  @override
+  Future<List<DeviceAddPathPointModel>> generatePathRaw({required Map<String, dynamic> body}) async {
+    final token = (await _userStorage.getUser())?.token;
+    if (token == null) throw Exception('Token missing');
+
+    final response = await http.post(
+      Uri.parse('https://servicepathplan.satabot.com/api/path'),
+      headers: {
+        'Content-Type': 'application/json',
+        'Authorization': token,
+      },
+      body: jsonEncode(body),
+    );
+
+    print('响应体: ${response.body}');
+    try {
+    final decoded = jsonDecode(response.body) as Map<String, dynamic>;
+    if (decoded['code'] == 200) {
+      final pathJson = decoded['path'];
+      if (pathJson == null) {
+        throw Exception('API returned null for "path"');
+      }
+      if (pathJson is! List) {
+        throw Exception('Expected "path" to be a List, but got ${pathJson.runtimeType}');
+      }
+      final List<dynamic> jsonData = pathJson;
+      return jsonData.map((item) => DeviceAddPathPointModel.fromJson(item)).toList();
+    } else {
+      throw Exception('Failed to load path: ${response.statusCode}');
+    }
+  } catch (e) {
+  throw Exception('Network error: $e');
+  }
+  }
+}
+