update payment

lib/features/orders/data/datasources/payment_remote_datasource.dart

@@ -0,0 +1,80 @@
+/// Payment Remote Data Source
+///
+/// Handles API calls for payment-related data.
+library;
+
+import 'package:worker/core/constants/api_constants.dart';
+import 'package:worker/core/network/dio_client.dart';
+import 'package:worker/features/orders/data/models/payment_model.dart';
+
+/// Payment Remote Data Source
+class PaymentRemoteDataSource {
+  const PaymentRemoteDataSource(this._dioClient);
+
+  final DioClient _dioClient;
+
+  /// Get payments list
+  ///
+  /// Calls: POST /api/method/building_material.building_material.api.payment.get_list
+  /// Returns: List of payments
+  Future<List<PaymentModel>> getPaymentsList({
+    int limitStart = 0,
+    int limitPageLength = 0,
+  }) async {
+    try {
+      final response = await _dioClient.post<Map<String, dynamic>>(
+        '${ApiConstants.frappeApiMethod}${ApiConstants.getPaymentList}',
+        data: {
+          'limit_start': limitStart,
+          'limit_page_length': limitPageLength,
+        },
+      );
+
+      final data = response.data;
+      if (data == null) {
+        throw Exception('No data received from getPaymentsList API');
+      }
+
+      // API returns: { "message": [...] }
+      final message = data['message'];
+      if (message == null) {
+        throw Exception('No message field in getPaymentsList response');
+      }
+
+      final List<dynamic> paymentsList = message as List<dynamic>;
+      return paymentsList
+          .map((json) => PaymentModel.fromJson(json as Map<String, dynamic>))
+          .toList();
+    } catch (e) {
+      throw Exception('Failed to get payments list: $e');
+    }
+  }
+
+  /// Get payment detail
+  ///
+  /// Calls: POST /api/method/building_material.building_material.api.payment.get_detail
+  /// Returns: Payment detail
+  Future<PaymentModel> getPaymentDetail(String name) async {
+    try {
+      final response = await _dioClient.post<Map<String, dynamic>>(
+        '${ApiConstants.frappeApiMethod}${ApiConstants.getPaymentDetail}',
+        data: {'name': name},
+      );
+
+      final data = response.data;
+      if (data == null) {
+        throw Exception('No data received from getPaymentDetail API');
+      }
+
+      // API returns: { "message": {...} }
+      final message = data['message'];
+      if (message == null) {
+        throw Exception('No message field in getPaymentDetail response');
+      }
+
+      return PaymentModel.fromJson(message as Map<String, dynamic>);
+    } catch (e) {
+      throw Exception('Failed to get payment detail: $e');
+    }
+  }
+}