Fail gracefully if seats exist multiple times

2019-08-26 16:33:35 +02:00
parent 733a4ce8f4
commit ebf411b7a0
2 changed files with 4 additions and 0 deletions
--- a/src/pretix/api/serializers/cart.py
+++ b/src/pretix/api/serializers/cart.py
@@ -82,6 +82,8 @@ class CartPositionCreateSerializer(I18nAwareModelSerializer):
                    seat = self.context['event'].seats.get(seat_guid=validated_data['seat'], subevent=validated_data.get('subevent'))
                except Seat.DoesNotExist:
                    raise ValidationError('The specified seat does not exist.')
+                except Seat.MultipleObjectsReturned:
+                    raise ValidationError('The specified seat ID is not unique.')
                else:
                    validated_data['seat'] = seat
                    if not seat.is_available():