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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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21
src/pretix/base/models/orders.py
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@@ -80,6 +80,7 @@ from pretix.base.models import Customer, User
from pretix.base.reldate import RelativeDateWrapper
from pretix.base.settings import PERSON_NAME_SCHEMES
from pretix.base.signals import allow_ticket_download, order_gracefully_delete
from pretix.base.timemachine import time_machine_now
from ...helpers import OF_SELF
from ...helpers.countries import CachedCountries, FastCountryField
@@ -681,7 +682,7 @@ class Order(LockModel, LoggedModel):
for op in positions:
if op.issued_gift_cards.all():
return False
if self.user_change_deadline and now() > self.user_change_deadline:
if self.user_change_deadline and time_machine_now() > self.user_change_deadline:
return False
return (
@@ -713,7 +714,7 @@ class Order(LockModel, LoggedModel):
return False
if op.granted_memberships.with_usages().filter(usages__gt=0):
return False
if self.user_cancel_deadline and now() > self.user_cancel_deadline:
if self.user_cancel_deadline and time_machine_now() > self.user_cancel_deadline:
return False
if self.status == Order.STATUS_PAID:
@@ -854,7 +855,7 @@ class Order(LockModel, LoggedModel):
return False
modify_deadline = self.modify_deadline
if modify_deadline is not None and now() > modify_deadline:
if modify_deadline is not None and time_machine_now() > modify_deadline:
return False
positions = list(
@@ -906,7 +907,7 @@ class Order(LockModel, LoggedModel):
return self.event.settings.ticket_download and (
self.event.settings.ticket_download_date is None
or self.ticket_download_date is None
or now() > self.ticket_download_date
or time_machine_now() > self.ticket_download_date
) and (
self.status == Order.STATUS_PAID
or (
@@ -978,7 +979,7 @@ class Order(LockModel, LoggedModel):
return error_messages['require_approval']
term_last = self.payment_term_last
if term_last and not ignore_date:
if now() > term_last:
if time_machine_now() > term_last:
return error_messages['late_lastdate']
if self.status == self.STATUS_PENDING:
@@ -1001,7 +1002,7 @@ class Order(LockModel, LoggedModel):
'voucher_budget': _('The voucher "{voucher}" no longer has sufficient budget.'),
'voucher_usages': _('The voucher "{voucher}" has been used in the meantime.'),
}
now_dt = now_dt or now()
now_dt = now_dt or time_machine_now()
positions = list(self.positions.all().select_related('item', 'variation', 'seat', 'voucher'))
quota_cache = {}
v_budget = {}
@@ -2575,9 +2576,9 @@ class OrderPosition(AbstractPosition):
if cartpos.item.validity_mode:
valid_from, valid_until = cartpos.item.compute_validity(
requested_start=(
max(cartpos.requested_valid_from, now())
max(cartpos.requested_valid_from, time_machine_now())
if cartpos.requested_valid_from and cartpos.item.validity_dynamic_start_choice
else now()
else time_machine_now()
),
enforce_start_limit=True,
override_tz=order.event.timezone,
@@ -3103,9 +3104,9 @@ class CartPosition(AbstractPosition):
def predicted_validity(self):
return self.item.compute_validity(
requested_start=(
max(self.requested_valid_from, now())
max(self.requested_valid_from, time_machine_now())
if self.requested_valid_from and self.item.validity_dynamic_start_choice
else now()
else time_machine_now()
),
override_tz=self.event.timezone,
)