SEND063

frontend/pweb/lib/controllers/payments/details.dart

@@ -1,15 +1,18 @@
 import 'package:flutter/foundation.dart';
 
+import 'package:pshared/models/payment/execution_operation.dart';
 import 'package:pshared/models/payment/payment.dart';
 import 'package:pshared/models/payment/status.dart';
 import 'package:pshared/provider/payment/payments.dart';
+import 'package:pweb/models/documents/operation.dart';
 
+import 'package:pweb/utils/payment/operation_code.dart';
 import 'package:pweb/utils/report/payment_mapper.dart';
 
 
 class PaymentDetailsController extends ChangeNotifier {
   PaymentDetailsController({required String paymentId})
-      : _paymentId = paymentId;
+    : _paymentId = paymentId;
 
   PaymentsProvider? _payments;
   String _paymentId;
@@ -25,10 +28,34 @@ class PaymentDetailsController extends ChangeNotifier {
     if (current == null) return false;
     final status = statusFromPayment(current);
     final paymentRef = current.paymentRef ?? '';
-    return status == OperationStatus.success &&
-        paymentRef.trim().isNotEmpty;
+    return status == OperationStatus.success && paymentRef.trim().isNotEmpty;
   }
 
+  OperationDocumentRequestModel? operationDocumentRequest(
+    PaymentExecutionOperation operation,
+  ) {
+    final current = _payment;
+    if (current == null) return null;
+
+    final paymentRef = current.paymentRef?.trim() ?? '';
+    if (paymentRef.isEmpty) return null;
+
+    final operationRef = operation.operationRef;
+    if (operationRef == null || operationRef.isEmpty) return null;
+
+    final pair = parseOperationCodePair(operation.code);
+    if (pair == null) return null;
+    if (pair.operation != 'card_payout' || pair.action != 'send') return null;
+
+    return OperationDocumentRequestModel(
+      paymentRef: paymentRef,
+      operationRef: operationRef,
+    );
+  }
+
+  bool canDownloadOperationDocument(PaymentExecutionOperation operation) =>
+      operationDocumentRequest(operation) != null;
+
   void update(PaymentsProvider provider, String paymentId) {
     if (_paymentId != paymentId) {
       _paymentId = paymentId;