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Order change: Allow to keep price when changing items

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This commit is contained in:
Raphael Michel
2019-02-11 16:15:13 +01:00
parent d9d1c83218
commit d073007fd7
5 changed files with 25 additions and 4 deletions
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11
src/pretix/base/services/orders.py
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@@ -815,12 +815,17 @@ class OrderChangeManager:
self.notify = notify
self._invoice_dirty = False
def change_item(self, position: OrderPosition, item: Item, variation: Optional[ItemVariation]):
def change_item(self, position: OrderPosition, item: Item, variation: Optional[ItemVariation], keep_price=False):
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=position.subevent,
invoice_address=self._invoice_address)
if keep_price:
price = TaxedPrice(gross=position.price, net=position.price - position.tax_value,
tax=position.tax_value, rate=position.tax_rate,
name=position.tax_rule.name)
else:
price = get_price(item, variation, voucher=position.voucher, subevent=position.subevent,
invoice_address=self._invoice_address)
if price is None: # NOQA
raise OrderError(self.error_messages['product_invalid'])