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Data model for transactional history (#2147)

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Raphael Michel
2021-10-18 17:28:58 +02:00
committed by GitHub
parent c4e71011ee
commit 8ebba9de86
19 changed files with 699 additions and 10 deletions
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11
src/pretix/base/models/items.py
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@@ -693,9 +693,9 @@ class Item(LoggedModel):
return res
def allow_delete(self):
from pretix.base.models.orders import OrderPosition
from pretix.base.models.orders import OrderPosition, Transaction
return not OrderPosition.all.filter(item=self).exists()
return not Transaction.objects.filter(item=self).exists() and not OrderPosition.all.filter(item=self).exists()
@property
def includes_mixed_tax_rate(self):
@@ -958,10 +958,13 @@ class ItemVariation(models.Model):
return self.position < other.position
def allow_delete(self):
from pretix.base.models.orders import CartPosition, OrderPosition
from pretix.base.models.orders import (
CartPosition, OrderPosition, Transaction,
)
return (
not OrderPosition.objects.filter(variation=self).exists()
not Transaction.objects.filter(variation=self).exists()
and not OrderPosition.objects.filter(variation=self).exists()
and not CartPosition.objects.filter(variation=self).exists()
)