update address

lib/features/account/data/datasources/location_remote_datasource.dart

@@ -0,0 +1,96 @@
+/// Location Remote Data Source
+///
+/// Handles API calls for cities and wards using Frappe ERPNext client.get_list.
+library;
+
+import 'package:dio/dio.dart';
+import 'package:worker/core/errors/exceptions.dart';
+import 'package:worker/features/account/data/models/city_model.dart';
+import 'package:worker/features/account/data/models/ward_model.dart';
+
+/// Location Remote Data Source
+///
+/// Provides methods to fetch cities and wards from API.
+class LocationRemoteDataSource {
+  final Dio _dio;
+
+  LocationRemoteDataSource(this._dio);
+
+  /// Get all cities
+  ///
+  /// API: POST /api/method/frappe.client.get_list
+  Future<List<CityModel>> getCities() async {
+    try {
+      final response = await _dio.post(
+        '/api/method/frappe.client.get_list',
+        data: {
+          'doctype': 'City',
+          'fields': ['city_name', 'name', 'code'],
+          'limit_page_length': 0,
+        },
+      );
+
+      if (response.statusCode == 200) {
+        final data = response.data;
+
+        if (data is Map<String, dynamic> && data.containsKey('message')) {
+          final message = data['message'];
+
+          if (message is List) {
+            final cities = message
+                .map((item) => CityModel.fromJson(item as Map<String, dynamic>))
+                .toList();
+
+            return cities;
+          }
+        }
+
+        throw const ServerException('Invalid response format');
+      } else {
+        throw ServerException('Failed to fetch cities: ${response.statusCode}');
+      }
+    } catch (e) {
+      rethrow;
+    }
+  }
+
+  /// Get wards for a specific city
+  ///
+  /// API: POST /api/method/frappe.client.get_list
+  /// [cityCode] - The city code to filter wards
+  Future<List<WardModel>> getWards(String cityCode) async {
+    try {
+      final response = await _dio.post(
+        '/api/method/frappe.client.get_list',
+        data: {
+          'doctype': 'Ward',
+          'fields': ['ward_name', 'name', 'code'],
+          'filters': {'city': cityCode},
+          'limit_page_length': 0,
+        },
+      );
+
+      if (response.statusCode == 200) {
+        final data = response.data;
+
+        if (data is Map<String, dynamic> && data.containsKey('message')) {
+          final message = data['message'];
+
+          if (message is List) {
+            final wards = message
+                .map((item) => WardModel.fromJson(item as Map<String, dynamic>))
+                .toList();
+
+            return wards;
+          }
+        }
+
+        throw const ServerException('Invalid response format');
+      } else {
+        throw ServerException('Failed to fetch wards: ${response.statusCode}');
+      }
+    } catch (e) {
+      rethrow;
+    }
+  }
+}