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Time machine mode [Z#23129725] (#3961)

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Allows organizers to test their shop as if it were a different date and time.

Implemented using a time_machine_now() function which is used instead of regular now(), which can overlay the real date time with a value from a ContextVar, assigned from a session value in EventMiddleware.

For more information, see doc/development/implementation/timemachine.rst

---------

Co-authored-by: Richard Schreiber <schreiber@rami.io>
Co-authored-by: Raphael Michel <michel@rami.io>
This commit is contained in:
Mira
2024-05-17 10:52:17 +02:00
committed by GitHub
parent bfcca7046a
commit b638c00952
38 changed files with 789 additions and 142 deletions
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29
src/pretix/base/models/event.py
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@@ -68,6 +68,7 @@ from i18nfield.fields import I18nCharField, I18nTextField
from pretix.base.models.base import LoggedModel
from pretix.base.models.fields import MultiStringField
from pretix.base.reldate import RelativeDateWrapper
from pretix.base.timemachine import time_machine_now
from pretix.base.validators import EventSlugBanlistValidator
from pretix.helpers.database import GroupConcat
from pretix.helpers.daterange import daterange
@@ -235,7 +236,7 @@ class EventMixin:
if not self.settings.waiting_list_enabled:
return False
if self.settings.waiting_list_auto_disable:
return self.settings.waiting_list_auto_disable.datetime(self) > now()
return self.settings.waiting_list_auto_disable.datetime(self) > time_machine_now()
return True
@property
@@ -244,11 +245,11 @@ class EventMixin:
Is true, when ``presale_end`` is set and in the past.
"""
if self.effective_presale_end:
return now() > self.effective_presale_end
return time_machine_now() > self.effective_presale_end
elif self.date_to:
return now() > self.date_to
return time_machine_now() > self.date_to
else:
return now().astimezone(self.timezone).date() > self.date_from.astimezone(self.timezone).date()
return time_machine_now().astimezone(self.timezone).date() > self.date_from.astimezone(self.timezone).date()
@property
def effective_presale_start(self):
@@ -268,7 +269,7 @@ class EventMixin:
Is true, when ``presale_end`` is not set or in the future and ``presale_start`` is not
set or in the past.
"""
if self.effective_presale_start and now() < self.effective_presale_start:
if self.effective_presale_start and time_machine_now() < self.effective_presale_start:
return False
return not self.presale_has_ended
@@ -316,11 +317,11 @@ class EventMixin:
q_variation = (
Q(active=True)
& Q(sales_channels__contains=channel)
& Q(Q(available_from__isnull=True) | Q(available_from__lte=now()))
& Q(Q(available_until__isnull=True) | Q(available_until__gte=now()))
& Q(Q(available_from__isnull=True) | Q(available_from__lte=time_machine_now()))
& Q(Q(available_until__isnull=True) | Q(available_until__gte=time_machine_now()))
& Q(item__active=True)
& Q(Q(item__available_from__isnull=True) | Q(item__available_from__lte=now()))
& Q(Q(item__available_until__isnull=True) | Q(item__available_until__gte=now()))
& Q(Q(item__available_from__isnull=True) | Q(item__available_from__lte=time_machine_now()))
& Q(Q(item__available_until__isnull=True) | Q(item__available_until__gte=time_machine_now()))
& Q(Q(item__category__isnull=True) | Q(item__category__is_addon=False))
& Q(item__sales_channels__contains=channel)
& Q(item__require_bundling=False)
@@ -695,7 +696,7 @@ class Event(EventMixin, LoggedModel):
@property
def presale_has_ended(self):
if self.has_subevents:
return self.presale_end and now() > self.presale_end
return self.presale_end and time_machine_now() > self.presale_end
else:
return super().presale_has_ended
@@ -1188,8 +1189,8 @@ class Event(EventMixin, LoggedModel):
)
).filter(
Q(active=True) & Q(is_public=True) & (
Q(Q(date_to__isnull=True) & Q(date_from__gte=now() - timedelta(hours=24)))
| Q(date_to__gte=now() - timedelta(hours=24))
Q(Q(date_to__isnull=True) & Q(date_from__gte=time_machine_now() - timedelta(hours=24)))
| Q(date_to__gte=time_machine_now() - timedelta(hours=24))
)
) # order_by doesn't make sense with I18nField
if ordering in ("date_ascending", "date_descending"):
@@ -1509,7 +1510,7 @@ class SubEvent(EventMixin, LoggedModel):
disabled_items=Coalesce(
Subquery(
SubEventItem.objects.filter(
Q(disabled=True) | Q(available_from__gt=now()) | Q(available_until__lt=now()),
Q(disabled=True) | Q(available_from__gt=time_machine_now()) | Q(available_until__lt=time_machine_now()),
subevent=OuterRef('pk'),
).order_by().values('subevent').annotate(items=GroupConcat('item_id', delimiter=',')).values('items'),
output_field=models.TextField(),
@@ -1520,7 +1521,7 @@ class SubEvent(EventMixin, LoggedModel):
disabled_vars=Coalesce(
Subquery(
SubEventItemVariation.objects.filter(
Q(disabled=True) | Q(available_from__gt=now()) | Q(available_until__lt=now()),
Q(disabled=True) | Q(available_from__gt=time_machine_now()) | Q(available_until__lt=time_machine_now()),
subevent=OuterRef('pk'),
).order_by().values('subevent').annotate(items=GroupConcat('variation_id', delimiter=',')).values('items'),
output_field=models.TextField(),