feat: report transaction

lib/data/models/response/payment_method_analytic_response_model.dart

@@ -1,6 +1,6 @@
 class PaymentMethodAnalyticResponseModel {
   final bool success;
-  final PaymentMethodAnalyticData data;
+  final PaymentMethodAnalyticData? data;
   final dynamic errors;
 
   PaymentMethodAnalyticResponseModel({
@@ -18,7 +18,9 @@ class PaymentMethodAnalyticResponseModel {
   factory PaymentMethodAnalyticResponseModel.fromMap(Map<String, dynamic> map) {
     return PaymentMethodAnalyticResponseModel(
       success: map['success'],
-      data: PaymentMethodAnalyticData.fromMap(map['data']),
+      data: map['data'] == null
+          ? null
+          : PaymentMethodAnalyticData.fromMap(map['data']),
       errors: map['errors'],
     );
   }
@@ -26,7 +28,7 @@ class PaymentMethodAnalyticResponseModel {
   Map<String, dynamic> toMap() {
     return {
       'success': success,
-      'data': data.toMap(),
+      'data': data?.toMap(),
       'errors': errors,
     };
   }