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Fix incorrect quota error when changing subevent and item of a position

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Raphael Michel
2020-04-15 12:54:57 +02:00
parent aab340fd87
commit b0dcbe31fa
3 changed files with 52 additions and 2 deletions
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21
src/pretix/base/services/orders.py
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@@ -1224,6 +1224,27 @@ class OrderChangeManager:
self._quotadiff.subtract(position.quotas)
self._operations.append(self.SubeventOperation(position, subevent))
def change_item_and_subevent(self, position: OrderPosition, item: Item, variation: Optional[ItemVariation],
subevent: SubEvent):
if (not variation and item.has_variations) or (variation and variation.item_id != item.pk):
raise OrderError(self.error_messages['product_without_variation'])
price = get_price(item, variation, voucher=position.voucher, subevent=subevent,
invoice_address=self._invoice_address)
if price is None: # NOQA
raise OrderError(self.error_messages['product_invalid'])
new_quotas = (variation.quotas.filter(subevent=subevent)
if variation else item.quotas.filter(subevent=subevent))
if not new_quotas:
raise OrderError(self.error_messages['quota_missing'])
self._quotadiff.update(new_quotas)
self._quotadiff.subtract(position.quotas)
self._operations.append(self.ItemOperation(position, item, variation))
self._operations.append(self.SubeventOperation(position, subevent))
def regenerate_secret(self, position: OrderPosition):
self._operations.append(self.RegenerateSecretOperation(position))