fix for quote and operations addition

frontend/pshared/lib/provider/payment/quotation/quotation.dart

@@ -12,6 +12,7 @@ import 'package:pshared/api/requests/payment/quote.dart';
 import 'package:pshared/controllers/payment/source.dart';
 import 'package:pshared/data/mapper/payment/intent/payment.dart';
 import 'package:pshared/models/payment/intent.dart';
+import 'package:pshared/models/payment/kind.dart';
 import 'package:pshared/models/payment/quote/quote.dart';
 import 'package:pshared/models/auto_refresh_mode.dart';
 import 'package:pshared/provider/organizations.dart';
@@ -52,13 +53,17 @@ class QuotationProvider extends ChangeNotifier {
   ) {
     _organizations = venue;
     _sourceCurrencyCode = source.selectedCurrencyCode;
-    final intent = _intentBuilder.build(
+    final builtIntent = _intentBuilder.build(
       payment: payment,
       source: source,
       flow: flow,
       recipients: recipients,
     );
-    if (intent == null) return;
+    if (!_isQuotable(builtIntent)) {
+      _clearQuotation();
+      return;
+    }
+    final intent = builtIntent!;
     final intentKey = _buildIntentKey(intent);
     final lastIntent = _lastIntent;
     if (lastIntent != null && intentKey == _buildIntentKey(lastIntent)) return;
@@ -100,12 +105,19 @@ class QuotationProvider extends ChangeNotifier {
   }
 
   Future<PaymentQuote?> refreshQuotation() async {
-    final intent = _lastIntent;
-    if (intent == null) return null;
-    return getQuotation(intent);
+    final lastIntent = _lastIntent;
+    if (!_isQuotable(lastIntent)) {
+      _clearQuotation();
+      return null;
+    }
+    return getQuotation(lastIntent!);
   }
 
   Future<PaymentQuote?> getQuotation(PaymentIntent intent) async {
+    if (!_isQuotable(intent)) {
+      _clearQuotation();
+      return null;
+    }
     if (!_organizations.isOrganizationSet) {
       throw StateError('Organization is not set');
     }
@@ -138,8 +150,20 @@ class QuotationProvider extends ChangeNotifier {
 
   void reset() {
     _isLoaded = false;
-    _lastIntent = null;
     _sourceCurrencyCode = null;
+    _clearQuotation();
+  }
+
+  bool _isQuotable(PaymentIntent? intent) {
+    if (intent == null) return false;
+    if (intent.kind == PaymentKind.unspecified) return false;
+    if (intent.source == null) return false;
+    if (intent.destination == null) return false;
+    return intent.amount != null;
+  }
+
+  void _clearQuotation() {
+    _lastIntent = null;
     _setResource(Resource(data: null, isLoading: false, error: null));
   }