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Optimize availability queries

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This commit is contained in:
Raphael Michel
2024-07-02 18:29:44 +02:00
parent 94d13e4cdd
commit a173e347ea
7 changed files with 109 additions and 75 deletions
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12
src/pretix/base/models/items.py
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@@ -271,16 +271,24 @@ class SubEventItemVariation(models.Model):
def filter_available(qs, channel='web', voucher=None, allow_addons=False):
assert isinstance(channel, str)
# Channel can currently be a SalesChannel or a str, since we need that compatibility, but a SalesChannel
# makes the query SIGNIFICANTLY faster
from .organizer import SalesChannel
assert isinstance(channel, (SalesChannel, str))
q = (
# IMPORTANT: If this is updated, also update the ItemVariation query
# in models/event.py: EventMixin.annotated()
Q(active=True)
& Q(Q(available_from__isnull=True) | Q(available_from__lte=time_machine_now()) | Q(available_from_mode='info'))
& Q(Q(available_until__isnull=True) | Q(available_until__gte=time_machine_now()) | Q(available_until_mode='info'))
& Q(Q(all_sales_channels=True) | Q(limit_sales_channels__identifier=channel))
& Q(require_bundling=False)
)
if isinstance(channel, str):
q &= Q(Q(all_sales_channels=True) | Q(limit_sales_channels__identifier=channel))
else:
q &= Q(Q(all_sales_channels=True) | Q(limit_sales_channels=channel))
if not allow_addons:
q &= Q(Q(category__isnull=True) | Q(category__is_addon=False))