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Do not allow to cancel gift card positions

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Raphael Michel
2020-09-28 11:51:06 +02:00
parent d0b002cf0c
commit 951e99d0da
1 changed files with 4 additions and 0 deletions
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4
src/pretix/base/services/orders.py
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@@ -1167,6 +1167,7 @@ class OrderChangeManager:
'seat_required': _('The selected product requires you to select a seat.'), 'seat_required': _('The selected product requires you to select a seat.'),
'seat_forbidden': _('The selected product does not allow to select a seat.'), 'seat_forbidden': _('The selected product does not allow to select a seat.'),
'gift_card_change': _('You cannot change the price of a position that has been used to issue a gift card.'), 'gift_card_change': _('You cannot change the price of a position that has been used to issue a gift card.'),
'gift_card_cancel': _('You cannot cancel a position that has been used to issue a gift card.'),
} }
ItemOperation = namedtuple('ItemOperation', ('position', 'item', 'variation')) ItemOperation = namedtuple('ItemOperation', ('position', 'item', 'variation'))
SubeventOperation = namedtuple('SubeventOperation', ('position', 'subevent')) SubeventOperation = namedtuple('SubeventOperation', ('position', 'subevent'))
@@ -1342,6 +1343,9 @@ class OrderChangeManager:
self._operations.append(self.FeeValueOperation(fee, value)) self._operations.append(self.FeeValueOperation(fee, value))
def cancel(self, position: OrderPosition): def cancel(self, position: OrderPosition):
if position.issued_gift_cards.exists():
raise OrderError(self.error_messages['gift_card_cancel'])
self._totaldiff -= position.price self._totaldiff -= position.price
self._quotadiff.subtract(position.quotas) self._quotadiff.subtract(position.quotas)
self._operations.append(self.CancelOperation(position)) self._operations.append(self.CancelOperation(position))