lingo: add payment_url property to basket item (#46503)

combo/apps/lingo/models.py

@@ -51,6 +51,8 @@ from combo.data.library import register_cell_class
 from combo.utils import NothingInCacheException, aes_hex_encrypt, requests
 from combo.apps.notifications.models import Notification
 
+from .utils import signing_dumps
+
 try:
     from mellon.models import UserSAMLIdentifier
 except ImportError:
@@ -439,6 +441,11 @@ class BasketItem(models.Model):
     def total_amount(self):
         return self.amount
 
+    @property
+    def payment_url(self):
+        signature = signing_dumps(self.pk)
+        return reverse('basket-item-pay-view', kwargs={'item_signature': signature })
+
 
 class RemoteItem(object):
     payment_date = None

combo/apps/lingo/views.py

@@ -221,13 +221,8 @@ class AddBasketItemApiView(View):
             if item.regie.extra_fees_ws_url:
                 BadRequestJsonResponse('can not compute extra fees with anonymous user')
 
-        payment_url = reverse(
-            'basket-item-pay-view',
-            kwargs={
-                'item_signature': signing_dumps(item.pk)
-            })
         return JsonResponse({'result': 'success', 'id': str(item.id),
-                             'payment_url': request.build_absolute_uri(payment_url)})
+                             'payment_url': request.build_absolute_uri(item.payment_url)})
 
 
 class RemoveBasketItemApiView(View):