update address

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

@@ -0,0 +1,208 @@
+/// Address Remote Data Source
+///
+/// Handles API calls to Frappe ERPNext address endpoints.
+library;
+
+import 'package:dio/dio.dart';
+import 'package:worker/core/errors/exceptions.dart';
+import 'package:worker/features/account/data/models/address_model.dart';
+
+/// Address Remote Data Source
+///
+/// Provides methods to interact with address API endpoints.
+/// Online-only approach - no offline caching.
+class AddressRemoteDataSource {
+  final Dio _dio;
+
+  AddressRemoteDataSource(this._dio);
+
+  /// Get list of addresses
+  ///
+  /// Fetches all addresses for the authenticated user.
+  /// Optionally filter by default address.
+  ///
+  /// API: GET /api/method/building_material.building_material.api.address.get_list
+  Future<List<AddressModel>> getAddresses({
+    int limitStart = 0,
+    int limitPageLength = 0,
+    bool? isDefault,
+  }) async {
+    try {
+      _debugPrint('Fetching addresses list...');
+
+      final response = await _dio.post(
+        '/api/method/building_material.building_material.api.address.get_list',
+        data: {
+          'limit_start': limitStart,
+          'limit_page_length': limitPageLength,
+          if (isDefault != null) 'is_default': isDefault,
+        },
+      );
+
+      if (response.statusCode == 200) {
+        final data = response.data;
+        _debugPrint('Response data: $data');
+
+        // Extract addresses from response
+        if (data is Map<String, dynamic> && data.containsKey('message')) {
+          final message = data['message'];
+          _debugPrint('Message type: ${message.runtimeType}');
+
+          // Handle array response
+          if (message is List) {
+            _debugPrint('Parsing ${message.length} addresses from list');
+            final addresses = <AddressModel>[];
+            for (var i = 0; i < message.length; i++) {
+              try {
+                final item = message[i] as Map<String, dynamic>;
+                _debugPrint('Parsing address $i: $item');
+                final address = AddressModel.fromJson(item);
+                addresses.add(address);
+              } catch (e) {
+                _debugPrint('Error parsing address $i: $e');
+                rethrow;
+              }
+            }
+
+            _debugPrint('Fetched ${addresses.length} addresses');
+            return addresses;
+          }
+
+          // Handle object with data field
+          if (message is Map<String, dynamic> && message.containsKey('data')) {
+            final dataList = message['data'] as List;
+            _debugPrint('Parsing ${dataList.length} addresses from data field');
+            final addresses = <AddressModel>[];
+            for (var i = 0; i < dataList.length; i++) {
+              try {
+                final item = dataList[i] as Map<String, dynamic>;
+                _debugPrint('Parsing address $i: $item');
+                final address = AddressModel.fromJson(item);
+                addresses.add(address);
+              } catch (e) {
+                _debugPrint('Error parsing address $i: $e');
+                rethrow;
+              }
+            }
+
+            _debugPrint('Fetched ${addresses.length} addresses');
+            return addresses;
+          }
+        }
+
+        throw const ServerException('Invalid response format');
+      } else {
+        throw ServerException(
+          'Failed to fetch addresses: ${response.statusCode}',
+        );
+      }
+    } catch (e) {
+      _debugPrint('Error fetching addresses: $e');
+      rethrow;
+    }
+  }
+
+  /// Create or update address
+  ///
+  /// If name is provided (not empty), updates existing address.
+  /// If name is null/empty, creates new address.
+  ///
+  /// Per API docs: When name field is null/empty, the API creates a new address.
+  /// When name has a value, the API updates the existing address.
+  ///
+  /// API: POST /api/method/building_material.building_material.api.address.update
+  Future<AddressModel> saveAddress(AddressModel address) async {
+    try {
+      final isUpdate = address.name.isNotEmpty;
+      _debugPrint(
+        isUpdate
+            ? 'Updating address: ${address.name}'
+            : 'Creating new address',
+      );
+
+      // toJson() already handles setting name to null for creation
+      final data = address.toJson();
+      _debugPrint('Request data: $data');
+
+      final response = await _dio.post(
+        '/api/method/building_material.building_material.api.address.update',
+        data: data,
+      );
+
+      if (response.statusCode == 200) {
+        final data = response.data;
+        _debugPrint('Response data: $data');
+
+        // Check for API error response (even with 200 status)
+        if (data is Map<String, dynamic> && data.containsKey('message')) {
+          final message = data['message'];
+
+          // Check for error response format
+          if (message is Map<String, dynamic> && message.containsKey('error')) {
+            final error = message['error'] as String;
+            _debugPrint('API error: $error');
+            throw ServerException(error);
+          }
+
+          // Handle direct address object
+          if (message is Map<String, dynamic>) {
+            final savedAddress = AddressModel.fromJson(message);
+            _debugPrint('Address saved: ${savedAddress.name}');
+            return savedAddress;
+          }
+
+          // Handle nested data
+          if (message is Map<String, dynamic> && message.containsKey('data')) {
+            final savedAddress =
+                AddressModel.fromJson(message['data'] as Map<String, dynamic>);
+            _debugPrint('Address saved: ${savedAddress.name}');
+            return savedAddress;
+          }
+        }
+
+        throw const ServerException('Invalid response format');
+      } else {
+        throw ServerException(
+          'Failed to save address: ${response.statusCode}',
+        );
+      }
+    } catch (e) {
+      _debugPrint('Error saving address: $e');
+      rethrow;
+    }
+  }
+
+  /// Delete address
+  ///
+  /// Note: API endpoint for delete not provided in docs.
+  /// This is a placeholder - adjust when endpoint is available.
+  Future<void> deleteAddress(String name) async {
+    try {
+      _debugPrint('Deleting address: $name');
+
+      // TODO: Update with actual delete endpoint when available
+      final response = await _dio.post(
+        '/api/method/building_material.building_material.api.address.delete',
+        data: {'name': name},
+      );
+
+      if (response.statusCode == 200) {
+        _debugPrint('Address deleted: $name');
+        return;
+      } else {
+        throw ServerException(
+          'Failed to delete address: ${response.statusCode}',
+        );
+      }
+    } catch (e) {
+      _debugPrint('Error deleting address: $e');
+      rethrow;
+    }
+  }
+
+  /// Debug print helper
+  void _debugPrint(String message) {
+    // ignore: avoid_print
+    print('[AddressRemoteDataSource] $message');
+  }
+}