Improve comment on multidomainurl

Co-authored-by: Richard Schreiber <schreiber@rami.io>
Co-authored-by: Raphael Michel <michel@rami.io>

doc/development/implementation/index.rst

@@ -19,3 +19,4 @@ Contents:
    permissions
    logging
    locking
+   timemachine

doc/development/implementation/timemachine.rst

@@ -0,0 +1,32 @@
+Time machine mode
+=================
+
+In test mode, pretix provides a "time machine" feature which allows event organizers
+to test their shop as if it were a different date and time. To enable this feature, they can
+click on the "time machine"-link in the test mode warning box on the event page.
+
+Internally, this time machine mode is implemented by calling our custom :py:meth:`time_machine_now()`
+function instead of :py:meth:`django.utils.timezone.now()` in all places where the fake time should be
+taken into account. If you add code that uses the current date and time for checking whether some
+product can be bought, you should use :py:meth:`time_machine_now`.
+
+.. autofunction:: pretix.base.timemachine.time_machine_now
+
+Background tasks
+----------------
+
+The time machine datetime is passed through the request flow via a thread-local variable (ContextVar).
+Therefore, if you call a background task in the order process, where time_machine_now should be
+respected, you need to pass it through manually as shown in the example below:
+
+.. code-block:: python
+
+    @app.task()
+    def my_task(self, override_now_dt: datetime=None) -> None:
+        with time_machine_now_assigned(override_now_dt):
+            # ...do something that uses time_machine_now()
+
+    my_task.apply_async(kwargs={'override_now_dt': time_machine_now(default=None)})
+
+
+.. autofunction:: pretix.base.timemachine.time_machine_now_assigned

doc/development/implementation/urlconfig.rst

@@ -90,6 +90,10 @@ as its first argument and can be used like this::
     <a href="{% eventurl request.event "presale:event.checkout" step="payment" %}">Pay</a>
     <a href="{% abseventurl request.event "presale:event.checkout" step="payment" %}">Pay</a>
 
+To generate absolute URLs on the main domain, you can use the ``absurl`` template tag::
+
+    {% load eventurl %}
+    <a href="{% absmainurl "control:event.settings" organizer=request.event.organizer.slug event=request.event.slug %}">Event settings</a>
 
 Implementation details
 ----------------------

doc/development/setup.rst

@@ -211,5 +211,15 @@ with the documentation a lot, you might find it useful to use sphinx-autobuild::
 Then, go to http://localhost:8081 for a version of the documentation that automatically re-builds
 whenever you change a source file.
 
+Working with frontend assets
+----------------------------
+
+To update the frontend styles of shops with a custom styling, run the following commands inside
+your virtual environment.::
+
+    python -m pretix collectstatic --noinput
+    python -m pretix updatestyles
+
+
 .. _Django's documentation: https://docs.djangoproject.com/en/1.11/ref/django-admin/#runserver
 .. _pretixdroid: https://github.com/pretix/pretixdroid

doc/development/structure.rst

@@ -31,7 +31,7 @@ pretix/
         Additional code implementing our customized :ref:`URL handling <urlconf>`.
 
     static/
-        Contains all static files (CSS/SASS, JavaScript, images) of pretix' core
+        Contains all static files (CSS/SASS, JavaScript, images) of pretix' core.
         We use libsass as a preprocessor for CSS. Our own sass code is built in the same
         step as Bootstrap and FontAwesome, so their mixins etc. are fully available.
 

pyproject.toml

@@ -36,7 +36,7 @@ dependencies = [
   "css-inline==0.14.*",
   "defusedcsv>=1.1.0",
   "dj-static",
-  "Django[argon2]==4.2.*",
+  "Django==4.2.*",
   "django-bootstrap3==24.2",
   "django-compressor==4.4",
   "django-countries==7.6.*",

src/pretix/base/forms/questions.py

@@ -57,7 +57,7 @@ from django.forms.widgets import FILE_INPUT_CONTRADICTION
 from django.utils.formats import date_format
 from django.utils.html import escape
 from django.utils.safestring import mark_safe
-from django.utils.timezone import get_current_timezone, now
+from django.utils.timezone import get_current_timezone
 from django.utils.translation import gettext_lazy as _, pgettext_lazy
 from django_countries import countries
 from django_countries.fields import Country, CountryField
@@ -86,6 +86,7 @@ from pretix.base.settings import (
     PERSON_NAME_SCHEMES, PERSON_NAME_TITLE_GROUPS,
 )
 from pretix.base.templatetags.rich_text import rich_text
+from pretix.base.timemachine import time_machine_now
 from pretix.control.forms import (
     ExtFileField, ExtValidationMixin, SizeValidationMixin, SplitDateTimeField,
 )
@@ -606,13 +607,13 @@ class BaseQuestionsForm(forms.Form):
 
         if cartpos and item.validity_mode == Item.VALIDITY_MODE_DYNAMIC and item.validity_dynamic_start_choice:
             if item.validity_dynamic_start_choice_day_limit:
-                max_date = now().astimezone(event.timezone) + timedelta(days=item.validity_dynamic_start_choice_day_limit)
+                max_date = time_machine_now().astimezone(event.timezone) + timedelta(days=item.validity_dynamic_start_choice_day_limit)
             else:
                 max_date = None
-            min_date = now()
+            min_date = time_machine_now()
             initial = None
             if (item.require_membership or (pos.variation and pos.variation.require_membership)) and pos.used_membership:
-                if pos.used_membership.date_start >= now():
+                if pos.used_membership.date_start >= time_machine_now():
                     initial = min_date = pos.used_membership.date_start
                 max_date = min(max_date, pos.used_membership.date_end) if max_date else pos.used_membership.date_end
             if item.validity_dynamic_duration_months or item.validity_dynamic_duration_days:

src/pretix/base/modelimport_vouchers.py

@@ -44,6 +44,8 @@ class CodeColumn(ImportColumn):
         super().__init__(*args)
 
     def clean(self, value, previous_values):
+        if not value:
+            raise ValidationError(_('A voucher cannot be created without a code.'))
         if value:
             MinLengthValidator(5)(value)
         if value and (value in self._cached or Voucher.objects.filter(event=self.event, code=value).exists()):

src/pretix/base/models/discount.py

@@ -23,7 +23,6 @@
 from collections import defaultdict
 from decimal import Decimal
 from itertools import groupby
-from math import ceil
 from typing import Dict, Optional, Tuple
 
 from django.core.exceptions import ValidationError
@@ -273,7 +272,7 @@ class Discount(LoggedModel):
 
             # Prevent over-consuming of items, i.e. if our discount is "buy 2, get 1 free", we only
             # want to match multiples of 3
-            n_groups = min(len(condition_idx_group) // self.condition_min_count, ceil(len(benefit_idx_group) / self.benefit_only_apply_to_cheapest_n_matches))
+            n_groups = min(len(condition_idx_group) // self.condition_min_count, len(benefit_idx_group))
             consume_idx = condition_idx_group[:n_groups * self.condition_min_count]
             benefit_idx = benefit_idx_group[:n_groups * self.benefit_only_apply_to_cheapest_n_matches]
         else:

src/pretix/base/models/event.py

@@ -67,6 +67,7 @@ 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
@@ -234,7 +235,7 @@ 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
@@ -243,11 +244,11 @@ 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):
@@ -267,7 +268,7 @@ 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
 
@@ -315,11 +316,11 @@ 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)
@@ -694,7 +695,7 @@ 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
 
@@ -1187,8 +1188,8 @@ 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"):
@@ -1508,7 +1509,7 @@ 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(),
@@ -1519,7 +1520,7 @@ 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(),

src/pretix/base/models/items.py

@@ -55,7 +55,7 @@ from django.db.models import Q
 from django.utils import formats
 from django.utils.crypto import get_random_string
 from django.utils.functional import cached_property
-from django.utils.timezone import is_naive, make_aware, now
+from django.utils.timezone import is_naive, make_aware
 from django.utils.translation import gettext_lazy as _, pgettext_lazy
 from django_countries.fields import Country
 from django_scopes import ScopedManager
@@ -65,6 +65,7 @@ from pretix.base.models import fields
 from pretix.base.models.base import LoggedModel
 from pretix.base.models.fields import MultiStringField
 from pretix.base.models.tax import TaxedPrice
+from pretix.base.timemachine import time_machine_now
 
 from ...helpers.images import ImageSizeValidator
 from ..media import MEDIA_TYPES
@@ -192,7 +193,7 @@ class SubEventItem(models.Model):
             self.subevent.event.cache.clear()
 
     def is_available(self, now_dt: datetime=None) -> bool:
-        now_dt = now_dt or now()
+        now_dt = now_dt or time_machine_now()
         if self.disabled:
             return False
         if self.available_from and self.available_from > now_dt:
@@ -248,7 +249,7 @@ class SubEventItemVariation(models.Model):
             self.subevent.event.cache.clear()
 
     def is_available(self, now_dt: datetime=None) -> bool:
-        now_dt = now_dt or now()
+        now_dt = now_dt or time_machine_now()
         if self.disabled:
             return False
         if self.available_from and self.available_from > now_dt:
@@ -263,8 +264,8 @@ def filter_available(qs, channel='web', voucher=None, allow_addons=False):
         # 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=now()) | Q(available_from_mode='info'))
-        & Q(Q(available_until__isnull=True) | Q(available_until__gte=now()) | Q(available_until_mode='info'))
+        & 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(sales_channels__contains=channel) & Q(require_bundling=False)
     )
     if not allow_addons:
@@ -782,7 +783,7 @@ class Item(LoggedModel):
         return t
 
     def is_available_by_time(self, now_dt: datetime=None) -> bool:
-        now_dt = now_dt or now()
+        now_dt = now_dt or time_machine_now()
         if self.available_from and self.available_from > now_dt:
             return False
         if self.available_until and self.available_until < now_dt:
@@ -794,13 +795,13 @@ class Item(LoggedModel):
         Returns whether this item is available according to its ``active`` flag
         and its ``available_from`` and ``available_until`` fields
         """
-        now_dt = now_dt or now()
+        now_dt = now_dt or time_machine_now()
         if not self.active or not self.is_available_by_time(now_dt):
             return False
         return True
 
     def unavailability_reason(self, now_dt: datetime=None, has_voucher=False, subevent=None) -> Optional[str]:
-        now_dt = now_dt or now()
+        now_dt = now_dt or time_machine_now()
         subevent_item = subevent and subevent.item_overrides.get(self.pk)
         if not self.active:
             return 'active'
@@ -957,11 +958,11 @@ class Item(LoggedModel):
             return self.validity_fixed_from, self.validity_fixed_until
         elif self.validity_mode == Item.VALIDITY_MODE_DYNAMIC:
             tz = override_tz or self.event.timezone
-            requested_start = requested_start or now()
+            requested_start = requested_start or time_machine_now()
             if enforce_start_limit and not self.validity_dynamic_start_choice:
-                requested_start = now()
+                requested_start = time_machine_now()
             if enforce_start_limit and self.validity_dynamic_start_choice_day_limit is not None:
-                requested_start = min(requested_start, now() + timedelta(days=self.validity_dynamic_start_choice_day_limit))
+                requested_start = min(requested_start, time_machine_now() + timedelta(days=self.validity_dynamic_start_choice_day_limit))
 
             valid_until = requested_start.astimezone(tz)
 
@@ -1290,7 +1291,7 @@ class ItemVariation(models.Model):
         return ItemVariation.objects.filter(item=self.item).count() == 1
 
     def is_available_by_time(self, now_dt: datetime=None) -> bool:
-        now_dt = now_dt or now()
+        now_dt = now_dt or time_machine_now()
         if self.available_from and self.available_from > now_dt:
             return False
         if self.available_until and self.available_until < now_dt:
@@ -1302,13 +1303,13 @@ class ItemVariation(models.Model):
         Returns whether this item is available according to its ``active`` flag
         and its ``available_from`` and ``available_until`` fields
         """
-        now_dt = now_dt or now()
+        now_dt = now_dt or time_machine_now()
         if not self.active or not self.is_available_by_time(now_dt):
             return False
         return True
 
     def unavailability_reason(self, now_dt: datetime=None, has_voucher=False, subevent=None) -> Optional[str]:
-        now_dt = now_dt or now()
+        now_dt = now_dt or time_machine_now()
         subevent_var = subevent and subevent.var_overrides.get(self.pk)
         if not self.active:
             return 'active'

src/pretix/base/models/memberships.py

@@ -23,7 +23,6 @@ from django.db import models
 from django.db.models import Count, OuterRef, Subquery, Value
 from django.db.models.functions import Coalesce
 from django.utils.formats import date_format
-from django.utils.timezone import now
 from django.utils.translation import gettext_lazy as _
 from django_scopes import ScopedManager, scopes_disabled
 from i18nfield.fields import I18nCharField
@@ -31,6 +30,7 @@ from i18nfield.fields import I18nCharField
 from pretix.base.models import Customer
 from pretix.base.models.base import LoggedModel
 from pretix.base.models.organizer import Organizer
+from pretix.base.timemachine import time_machine_now
 from pretix.helpers.names import build_name
 
 
@@ -165,13 +165,13 @@ class Membership(models.Model):
 
     def is_valid(self, ev=None, ticket_valid_from=None, valid_from_not_chosen=False):
         if valid_from_not_chosen:
-            return not self.canceled and self.date_end >= now()
+            return not self.canceled and self.date_end >= time_machine_now()
         elif ticket_valid_from:
             dt = ticket_valid_from
         elif ev:
             dt = ev.date_from
         else:
-            dt = now()
+            dt = time_machine_now()
 
         return not self.canceled and dt >= self.date_start and dt <= self.date_end
 

src/pretix/base/models/orders.py

@@ -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:
@@ -851,7 +852,7 @@ 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(
@@ -903,7 +904,7 @@ 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 (
@@ -975,7 +976,7 @@ 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:
@@ -998,7 +999,7 @@ 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 = {}
@@ -2535,9 +2536,9 @@ 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,
@@ -3063,9 +3064,9 @@ 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,
         )

src/pretix/base/payment.py

@@ -67,6 +67,7 @@ from pretix.base.settings import SettingsSandbox
 from pretix.base.signals import register_payment_providers
 from pretix.base.templatetags.money import money_filter
 from pretix.base.templatetags.rich_text import rich_text
+from pretix.base.timemachine import time_machine_now
 from pretix.helpers import OF_SELF
 from pretix.helpers.countries import CachedCountries
 from pretix.helpers.format import format_map
@@ -1441,7 +1442,7 @@ class GiftCardPayment(BasePaymentProvider):
             if not gc.testmode and self.event.testmode:
                 messages.error(request, _("Only test gift cards can be used in test mode."))
                 return
-            if gc.expires and gc.expires < now():
+            if gc.expires and gc.expires < time_machine_now():
                 messages.error(request, _("This gift card is no longer valid."))
                 return
             if gc.value <= Decimal("0.00"):
@@ -1491,7 +1492,7 @@ class GiftCardPayment(BasePaymentProvider):
             if not gc.testmode and payment.order.testmode:
                 messages.error(request, _("Only test gift cards can be used in test mode."))
                 return
-            if gc.expires and gc.expires < now():
+            if gc.expires and gc.expires < time_machine_now():
                 messages.error(request, _("This gift card is no longer valid."))
                 return
             if gc.value <= Decimal("0.00"):
@@ -1539,7 +1540,7 @@ class GiftCardPayment(BasePaymentProvider):
                     raise PaymentException(_("This gift card can only be used in test mode."))
                 if not gc.testmode and payment.order.testmode:
                     raise PaymentException(_("Only test gift cards can be used in test mode."))
-                if gc.expires and gc.expires < now():
+                if gc.expires and gc.expires < time_machine_now():
                     raise PaymentException(_("This gift card is no longer valid."))
 
                 trans = gc.transactions.create(

src/pretix/base/services/cart.py

@@ -74,6 +74,7 @@ from pretix.base.services.tasks import ProfiledEventTask
 from pretix.base.settings import PERSON_NAME_SCHEMES, LazyI18nStringList
 from pretix.base.signals import validate_cart_addons
 from pretix.base.templatetags.rich_text import rich_text
+from pretix.base.timemachine import time_machine_now, time_machine_now_assigned
 from pretix.celery_app import app
 from pretix.presale.signals import (
     checkout_confirm_messages, fee_calculation_for_cart,
@@ -278,7 +279,7 @@ class CartManager:
                  sales_channel='web'):
         self.event = event
         self.cart_id = cart_id
-        self.now_dt = now()
+        self.real_now_dt = now()
         self._operations = []
         self._quota_diff = Counter()
         self._voucher_use_diff = Counter()
@@ -305,10 +306,10 @@ class CartManager:
         return self._seated_cache[item, subevent]
 
     def _calculate_expiry(self):
-        self._expiry = self.now_dt + timedelta(minutes=self.event.settings.get('reservation_time', as_type=int))
+        self._expiry = self.real_now_dt + timedelta(minutes=self.event.settings.get('reservation_time', as_type=int))
 
     def _check_presale_dates(self):
-        if self.event.presale_start and self.now_dt < self.event.presale_start:
+        if self.event.presale_start and time_machine_now(self.real_now_dt) < self.event.presale_start:
             raise CartError(error_messages['not_started'])
         if self.event.presale_has_ended:
             raise CartError(error_messages['ended'])
@@ -319,13 +320,13 @@ class CartManager:
                     tlv.datetime(self.event).date(),
                     time(hour=23, minute=59, second=59)
                 ), self.event.timezone)
-                if term_last < self.now_dt:
+                if term_last < time_machine_now(self.real_now_dt):
                     raise CartError(error_messages['payment_ended'])
 
     def _extend_expiry_of_valid_existing_positions(self):
         # Extend this user's cart session to ensure all items in the cart expire at the same time
         # We can extend the reservation of items which are not yet expired without risk
-        self.positions.filter(expires__gt=self.now_dt).update(expires=self._expiry)
+        self.positions.filter(expires__gt=self.real_now_dt).update(expires=self._expiry)
 
     def _delete_out_of_timeframe(self):
         err = None
@@ -333,12 +334,12 @@ class CartManager:
             if not cp.pk:
                 continue
 
-            if cp.subevent and cp.subevent.presale_start and self.now_dt < cp.subevent.presale_start:
+            if cp.subevent and cp.subevent.presale_start and time_machine_now(self.real_now_dt) < cp.subevent.presale_start:
                 err = error_messages['some_subevent_not_started']
                 cp.addons.all().delete()
                 cp.delete()
 
-            if cp.subevent and cp.subevent.presale_end and self.now_dt > cp.subevent.presale_end:
+            if cp.subevent and cp.subevent.presale_end and time_machine_now(self.real_now_dt) > cp.subevent.presale_end:
                 err = error_messages['some_subevent_ended']
                 cp.addons.all().delete()
                 cp.delete()
@@ -350,7 +351,7 @@ class CartManager:
                         tlv.datetime(cp.subevent).date(),
                         time(hour=23, minute=59, second=59)
                     ), self.event.timezone)
-                    if term_last < self.now_dt:
+                    if term_last < time_machine_now(self.real_now_dt):
                         err = error_messages['some_subevent_ended']
                         cp.addons.all().delete()
                         cp.delete()
@@ -449,7 +450,7 @@ class CartManager:
             if op.subevent and not op.subevent.active:
                 raise CartError(error_messages['inactive_subevent'])
 
-            if op.subevent and op.subevent.presale_start and self.now_dt < op.subevent.presale_start:
+            if op.subevent and op.subevent.presale_start and time_machine_now(self.real_now_dt) < op.subevent.presale_start:
                 raise CartError(error_messages['not_started'])
 
             if op.subevent and op.subevent.presale_has_ended:
@@ -472,7 +473,7 @@ class CartManager:
                         tlv.datetime(op.subevent).date(),
                         time(hour=23, minute=59, second=59)
                     ), self.event.timezone)
-                    if term_last < self.now_dt:
+                    if term_last < time_machine_now(self.real_now_dt):
                         raise CartError(error_messages['payment_ended'])
 
         if isinstance(op, self.AddOperation):
@@ -509,7 +510,7 @@ class CartManager:
         )
         if not self.event.settings.seating_choice:
             requires_seat = Value(0, output_field=IntegerField())
-        expired = self.positions.filter(expires__lte=self.now_dt).select_related(
+        expired = self.positions.filter(expires__lte=self.real_now_dt).select_related(
             'item', 'variation', 'voucher', 'addon_to', 'addon_to__item'
         ).annotate(
             requires_seat=requires_seat
@@ -690,7 +691,7 @@ class CartManager:
                         # than either of the possible default assumptions.
                         predicted_redeemed_after = (
                             voucher.redeemed +
-                            CartPosition.objects.filter(voucher=voucher, expires__gte=self.now_dt).count() +
+                            CartPosition.objects.filter(voucher=voucher, expires__gte=self.real_now_dt).count() +
                             self._voucher_use_diff[voucher] +
                             voucher_use_diff[voucher]
                         )
@@ -982,7 +983,7 @@ class CartManager:
                 current_num = len(current_addons[cp].get(k, []))
                 if input_num < current_num:
                     for a in current_addons[cp][k][:current_num - input_num]:
-                        if a.expires > self.now_dt:
+                        if a.expires > self.real_now_dt:
                             quotas = list(a.quotas)
 
                             for quota in quotas:
@@ -996,7 +997,7 @@ class CartManager:
 
     def _get_voucher_availability(self):
         vouchers_ok, self._voucher_depend_on_cart = _get_voucher_availability(
-            self.event, self._voucher_use_diff, self.now_dt,
+            self.event, self._voucher_use_diff, self.real_now_dt,
             exclude_position_ids=[
                 op.position.id for op in self._operations if isinstance(op, self.ExtendOperation)
             ]
@@ -1101,7 +1102,7 @@ class CartManager:
                 shared_lock_objects=[self.event]
             )
         vouchers_ok = self._get_voucher_availability()
-        quotas_ok = _get_quota_availability(self._quota_diff, self.now_dt)
+        quotas_ok = _get_quota_availability(self._quota_diff, self.real_now_dt)
         err = None
         new_cart_positions = []
         deleted_positions = set()
@@ -1118,7 +1119,7 @@ class CartManager:
 
         for iop, op in enumerate(self._operations):
             if isinstance(op, self.RemoveOperation):
-                if op.position.expires > self.now_dt:
+                if op.position.expires > self.real_now_dt:
                     for q in op.position.quotas:
                         quotas_ok[q] += 1
                 addons = op.position.addons.all()
@@ -1395,7 +1396,7 @@ class CartManager:
         err = self.extend_expired_positions() or err
         err = err or self._check_min_per_voucher()
 
-        self.now_dt = now()
+        self.real_now_dt = now()
 
         self._extend_expiry_of_valid_existing_positions()
         err = self._perform_operations() or err
@@ -1487,7 +1488,7 @@ def get_fees(event, request, total, invoice_address, payments, positions):
 
 @app.task(base=ProfiledEventTask, bind=True, max_retries=5, default_retry_delay=1, throws=(CartError,))
 def add_items_to_cart(self, event: int, items: List[dict], cart_id: str=None, locale='en',
-                      invoice_address: int=None, widget_data=None, sales_channel='web') -> None:
+                      invoice_address: int=None, widget_data=None, sales_channel='web', override_now_dt: datetime=None) -> None:
     """
     Adds a list of items to a user's cart.
     :param event: The event ID in question
@@ -1495,7 +1496,7 @@ def add_items_to_cart(self, event: int, items: List[dict], cart_id: str=None, lo
     :param cart_id: Session ID of a guest
     :raises CartError: On any error that occurred
     """
-    with language(locale):
+    with language(locale), time_machine_now_assigned(override_now_dt):
         ia = False
         if invoice_address:
             try:
@@ -1517,14 +1518,14 @@ def add_items_to_cart(self, event: int, items: List[dict], cart_id: str=None, lo
 
 
 @app.task(base=ProfiledEventTask, bind=True, max_retries=5, default_retry_delay=1, throws=(CartError,))
-def apply_voucher(self, event: Event, voucher: str, cart_id: str=None, locale='en', sales_channel='web') -> None:
+def apply_voucher(self, event: Event, voucher: str, cart_id: str=None, locale='en', sales_channel='web', override_now_dt: datetime=None) -> None:
     """
     Removes a list of items from a user's cart.
     :param event: The event ID in question
     :param voucher: A voucher code
     :param session: Session ID of a guest
     """
-    with language(locale):
+    with language(locale), time_machine_now_assigned(override_now_dt):
         try:
             try:
                 cm = CartManager(event=event, cart_id=cart_id, sales_channel=sales_channel)
@@ -1537,14 +1538,14 @@ def apply_voucher(self, event: Event, voucher: str, cart_id: str=None, locale='e
 
 
 @app.task(base=ProfiledEventTask, bind=True, max_retries=5, default_retry_delay=1, throws=(CartError,))
-def remove_cart_position(self, event: Event, position: int, cart_id: str=None, locale='en', sales_channel='web') -> None:
+def remove_cart_position(self, event: Event, position: int, cart_id: str=None, locale='en', sales_channel='web', override_now_dt: datetime=None) -> None:
     """
     Removes a list of items from a user's cart.
     :param event: The event ID in question
     :param position: A cart position ID
     :param session: Session ID of a guest
     """
-    with language(locale):
+    with language(locale), time_machine_now_assigned(override_now_dt):
         try:
             try:
                 cm = CartManager(event=event, cart_id=cart_id, sales_channel=sales_channel)
@@ -1557,13 +1558,13 @@ def remove_cart_position(self, event: Event, position: int, cart_id: str=None, l
 
 
 @app.task(base=ProfiledEventTask, bind=True, max_retries=5, default_retry_delay=1, throws=(CartError,))
-def clear_cart(self, event: Event, cart_id: str=None, locale='en', sales_channel='web') -> None:
+def clear_cart(self, event: Event, cart_id: str=None, locale='en', sales_channel='web', override_now_dt: datetime=None) -> None:
     """
     Removes a list of items from a user's cart.
     :param event: The event ID in question
     :param session: Session ID of a guest
     """
-    with language(locale):
+    with language(locale), time_machine_now_assigned(override_now_dt):
         try:
             try:
                 cm = CartManager(event=event, cart_id=cart_id, sales_channel=sales_channel)
@@ -1577,14 +1578,14 @@ def clear_cart(self, event: Event, cart_id: str=None, locale='en', sales_channel
 
 @app.task(base=ProfiledEventTask, bind=True, max_retries=5, default_retry_delay=1, throws=(CartError,))
 def set_cart_addons(self, event: Event, addons: List[dict], cart_id: str=None, locale='en',
-                    invoice_address: int=None, sales_channel='web') -> None:
+                    invoice_address: int=None, sales_channel='web', override_now_dt: datetime=None) -> None:
     """
     Removes a list of items from a user's cart.
     :param event: The event ID in question
     :param addons: A list of dicts with the keys addon_to, item, variation
     :param session: Session ID of a guest
     """
-    with language(locale):
+    with language(locale), time_machine_now_assigned(override_now_dt):
         ia = False
         if invoice_address:
             try:

src/pretix/base/services/memberships.py

@@ -25,13 +25,13 @@ from typing import List, Optional
 from dateutil.relativedelta import relativedelta
 from django.core.exceptions import ValidationError
 from django.utils.formats import date_format
-from django.utils.timezone import now
 from django.utils.translation import gettext_lazy as _
 
 from pretix.base.models import (
     AbstractPosition, CartPosition, Customer, Event, Item, Membership, Order,
     OrderPosition, SubEvent,
 )
+from pretix.base.timemachine import time_machine_now
 from pretix.helpers import OF_SELF
 
 
@@ -48,7 +48,7 @@ def membership_validity(item: Item, subevent: Optional[SubEvent], event: Event):
 
     else:
         # Always start at start of day
-        date_start = now().astimezone(tz).replace(hour=0, minute=0, second=0, microsecond=0)
+        date_start = time_machine_now().astimezone(tz).replace(hour=0, minute=0, second=0, microsecond=0)
         date_end = date_start
 
         if item.grant_membership_duration_months:

src/pretix/base/services/modelimport.py

@@ -213,8 +213,6 @@ def import_vouchers(event: Event, fileid: str, settings: dict, locale: str, user
                 voucher = Voucher(event=event)
                 vouchers.append(voucher)
 
-                if not record.get("code"):
-                    raise ValidationError(_('A voucher cannot be created without a code.'))
                 Voucher.clean_item_properties(
                     record,
                     event,

src/pretix/base/services/orders.py

@@ -102,6 +102,7 @@ from pretix.base.signals import (
     order_fee_calculation, order_paid, order_placed, order_split,
     order_valid_if_pending, periodic_task, validate_order,
 )
+from pretix.base.timemachine import time_machine_now, time_machine_now_assigned
 from pretix.celery_app import app
 from pretix.helpers import OF_SELF
 from pretix.helpers.models import modelcopy
@@ -648,10 +649,11 @@ def _check_date(event: Event, now_dt: datetime):
                 raise OrderError(error_messages['ended'])
 
 
-def _check_positions(event: Event, now_dt: datetime, positions: List[CartPosition], address: InvoiceAddress=None,
+def _check_positions(event: Event, now_dt: datetime, time_machine_now_dt: datetime, positions: List[CartPosition],
+                     address: InvoiceAddress = None,
                      sales_channel='web', customer=None):
     err = None
-    _check_date(event, now_dt)
+    _check_date(event, time_machine_now_dt)
 
     products_seen = Counter()
     q_avail = Counter()
@@ -729,7 +731,7 @@ def _check_positions(event: Event, now_dt: datetime, positions: List[CartPositio
                 delete(cp)
                 continue
 
-        if cp.subevent and cp.subevent.presale_start and now_dt < cp.subevent.presale_start:
+        if cp.subevent and cp.subevent.presale_start and time_machine_now_dt < cp.subevent.presale_start:
             err = err or error_messages['some_subevent_not_started']
             delete(cp)
             break
@@ -741,7 +743,7 @@ def _check_positions(event: Event, now_dt: datetime, positions: List[CartPositio
                     tlv.datetime(cp.subevent).date(),
                     time(hour=23, minute=59, second=59)
                 ), event.timezone)
-                if term_last < now_dt:
+                if term_last < time_machine_now_dt:
                     err = err or error_messages['some_subevent_ended']
                     delete(cp)
                     break
@@ -787,19 +789,19 @@ def _check_positions(event: Event, now_dt: datetime, positions: List[CartPositio
             delete(cp)
             continue
 
-        if cp.subevent and cp.item.pk in cp.subevent.item_overrides and not cp.subevent.item_overrides[cp.item.pk].is_available(now_dt):
+        if cp.subevent and cp.item.pk in cp.subevent.item_overrides and not cp.subevent.item_overrides[cp.item.pk].is_available(time_machine_now_dt):
             err = err or error_messages['unavailable']
             delete(cp)
             continue
 
         if cp.subevent and cp.variation and cp.variation.pk in cp.subevent.var_overrides and \
-                not cp.subevent.var_overrides[cp.variation.pk].is_available(now_dt):
+                not cp.subevent.var_overrides[cp.variation.pk].is_available(time_machine_now_dt):
             err = err or error_messages['unavailable']
             delete(cp)
             continue
 
         if cp.voucher:
-            if cp.voucher.valid_until and cp.voucher.valid_until < now_dt:
+            if cp.voucher.valid_until and cp.voucher.valid_until < time_machine_now_dt:
                 err = err or error_messages['voucher_expired']
                 delete(cp)
                 continue
@@ -1163,7 +1165,8 @@ def _perform_order(event: Event, payment_requests: List[dict], position_ids: Lis
     warnings = []
     any_payment_failed = False
 
-    now_dt = now()
+    real_now_dt = now()
+    time_machine_now_dt = time_machine_now(real_now_dt)
     err_out = None
     with transaction.atomic(durable=True):
         positions = list(
@@ -1175,14 +1178,15 @@ def _perform_order(event: Event, payment_requests: List[dict], position_ids: Lis
         if len(position_ids) != len(positions):
             raise OrderError(error_messages['internal'])
         try:
-            _check_positions(event, now_dt, positions, address=addr, sales_channel=sales_channel, customer=customer)
+            _check_positions(event, real_now_dt, time_machine_now_dt, positions,
+                             address=addr, sales_channel=sales_channel, customer=customer)
         except OrderError as e:
             err_out = e  # Don't raise directly to make sure transaction is committed, as it might have deleted things
         else:
             if 'sleep-after-quota-check' in debugflags_var.get():
                 sleep(2)
 
-            order, payment_objs = _create_order(event, email, positions, now_dt, payment_requests,
+            order, payment_objs = _create_order(event, email, positions, real_now_dt, payment_requests,
                                                 locale=locale, address=addr, meta_info=meta_info, sales_channel=sales_channel,
                                                 shown_total=shown_total, customer=customer, valid_if_pending=valid_if_pending)
 
@@ -2849,8 +2853,8 @@ class OrderChangeManager:
 @app.task(base=ProfiledEventTask, bind=True, max_retries=5, default_retry_delay=1, throws=(OrderError,))
 def perform_order(self, event: Event, payments: List[dict], positions: List[str],
                   email: str=None, locale: str=None, address: int=None, meta_info: dict=None,
-                  sales_channel: str='web', shown_total=None, customer=None):
-    with language(locale):
+                  sales_channel: str='web', shown_total=None, customer=None, override_now_dt: datetime=None):
+    with language(locale), time_machine_now_assigned(override_now_dt):
         try:
             try:
                 return _perform_order(event, payments, positions, email, locale, address, meta_info,

src/pretix/base/services/pricing.py

@@ -25,7 +25,6 @@ from typing import List, Optional, Tuple
 
 from django import forms
 from django.db.models import Q
-from django.utils.timezone import now
 
 from pretix.base.decimal import round_decimal
 from pretix.base.models import (
@@ -33,6 +32,7 @@ from pretix.base.models import (
 )
 from pretix.base.models.event import Event, SubEvent
 from pretix.base.models.tax import TAXED_ZERO, TaxedPrice, TaxRule
+from pretix.base.timemachine import time_machine_now
 
 
 def get_price(item: Item, variation: ItemVariation = None,
@@ -167,8 +167,8 @@ def apply_discounts(event: Event, sales_channel: str,
     new_prices = {}
 
     discount_qs = event.discounts.filter(
-        Q(available_from__isnull=True) | Q(available_from__lte=now()),
-        Q(available_until__isnull=True) | Q(available_until__gte=now()),
+        Q(available_from__isnull=True) | Q(available_from__lte=time_machine_now()),
+        Q(available_until__isnull=True) | Q(available_until__gte=time_machine_now()),
         sales_channels__contains=sales_channel,
         active=True,
     ).prefetch_related('condition_limit_products', 'benefit_limit_products').order_by('position', 'pk')

src/pretix/base/timemachine.py

@@ -0,0 +1,85 @@
+#
+# This file is part of pretix (Community Edition).
+#
+# Copyright (C) 2014-2020 Raphael Michel and contributors
+# Copyright (C) 2020-2021 rami.io GmbH and contributors
+#
+# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
+# Public License as published by the Free Software Foundation in version 3 of the License.
+#
+# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
+# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
+# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
+# this file, see <https://pretix.eu/about/en/license>.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
+# <https://www.gnu.org/licenses/>.
+#
+import contextvars
+from contextlib import contextmanager
+
+from dateutil.parser import parse
+from django.utils.timezone import now
+
+timemachine_now_var = contextvars.ContextVar('timemachine_now', default=None)
+
+
+@contextmanager
+def time_machine_now_assigned_from_request(request):
+    if hasattr(request, 'event') and f'timemachine_now_dt:{request.event.pk}' in request.session and \
+            request.event.testmode and has_time_machine_permission(request, request.event):
+        request.now_dt = parse(request.session[f'timemachine_now_dt:{request.event.pk}'])
+        request.now_dt_is_fake = True
+    else:
+        request.now_dt = now()
+        request.now_dt_is_fake = False
+
+    try:
+        timemachine_now_var.set(request.now_dt if request.now_dt_is_fake else None)
+
+        yield
+    finally:
+        timemachine_now_var.set(None)
+
+
+def time_machine_now(default=False):
+    """
+    Return the datetime to use as current datetime for checking order restrictions in event
+    index and checkout flow.
+
+    :param default:   Value to return if time machine mode is disabled. By default the current datetime is used.
+    """
+    if default is False:
+        default = now()
+    return timemachine_now_var.get() or default
+
+
+@contextmanager
+def time_machine_now_assigned(now_dt):
+    """
+    Use this context manager to assign current datetime for time machine mode. Useful e.g. for background tasks.
+
+    :param now_dt: The datetime value to assign. May be `None` to disable time machine.
+    """
+    try:
+        timemachine_now_var.set(now_dt)
+        yield
+    finally:
+        timemachine_now_var.set(None)
+
+
+def has_time_machine_permission(request, event):
+    permission = 'can_change_event_settings'
+
+    return (
+        request.user.is_authenticated and
+        request.user.has_event_permission(request.organizer, request.event, permission, request=request)
+    ) or (
+        getattr(request, 'event_access_user', None) and
+        request.event_access_user.is_authenticated and
+        request.event_access_user.has_event_permission(request.organizer, request.event, permission, request=request)
+    )

src/pretix/control/context.py

@@ -46,11 +46,11 @@ from pretix.base.settings import GlobalSettingsObject
 from pretix.control.navigation import (
     get_event_navigation, get_global_navigation, get_organizer_navigation,
 )
-
-from ..helpers.i18n import (
+from pretix.helpers.i18n import (
     get_javascript_format, get_javascript_output_format, get_moment_locale,
 )
-from ..multidomain.urlreverse import get_event_domain
+from pretix.multidomain.urlreverse import get_event_domain
+
 from .signals import html_head, nav_topbar
 
 SessionStore = import_module(settings.SESSION_ENGINE).SessionStore
@@ -106,7 +106,7 @@ def _default_context(request):
         else:
             ctx['complain_testmode_orders'] = False
 
-        if not request.event.live and ctx['has_domain']:
+        if (request.event.testmode or not request.event.live) and ctx['has_domain']:
             child_sess = request.session.get('child_session_{}'.format(request.event.pk))
             s = SessionStore()
             if not child_sess or not s.exists(child_sess):
@@ -114,10 +114,8 @@ def _default_context(request):
                 s.create()
                 ctx['new_session'] = s.session_key
                 request.session['child_session_{}'.format(request.event.pk)] = s.session_key
-                request.session['event_access'] = True
             else:
                 ctx['new_session'] = child_sess
-                request.session['event_access'] = True
 
         if request.GET.get('subevent', ''):
             # Do not use .get() for lazy evaluation

src/pretix/control/templates/pretixcontrol/event/live.html

@@ -46,7 +46,7 @@
                             {% endfor %}
                         </ul>
                     </div>
-                    <div class="test-right">
+                    <div class="text-right">
                         <button type="submit" class="btn btn-primary btn-lg btn-save" disabled>
                             {% trans "Go live" %}
                         </button>
@@ -82,10 +82,10 @@
                     <p>
                         {% trans "Your shop is currently in test mode. All orders are not persistent and can be deleted at any point." %}
                     </p>
-                    <div class="form-inline">
-                        <label class="checkbox">
+                    <div class="checkbox">
+                        <label>
                             <input type="checkbox" name="delete" value="yes" />
-                            {% trans "Permanently delete all orders created in test mode" %}
+                            <b>{% trans "Permanently delete all orders created in test mode" %}</b>
                         </label>
                     </div>
                     <div class="text-right">

src/pretix/control/templates/pretixcontrol/event/transfer_session.html

@@ -0,0 +1,9 @@
+{% load eventurl %}
+{% load static %}
+<form action="{% eventurl request.event "presale:event.auth" %}{% if request.GET.next %}?next={{ request.GET.next }}{% endif %}" method="post">
+    <input type="hidden" value="{{ new_session }}" name="session">
+    <button type="submit">
+        Continue
+    </button>
+</form>
+<script src="{% static "pretixcontrol/js/send_form.js" %}"></script>

src/pretix/control/urls.py

@@ -247,6 +247,7 @@ urlpatterns = [
         re_path(r'^widgets.json$', dashboards.event_index_widgets_lazy, name='event.index.widgets'),
         re_path(r'^logs/embed$', dashboards.event_index_log_lazy, name='event.index.logs'),
         re_path(r'^live/$', event.EventLive.as_view(), name='event.live'),
+        re_path(r'^transfer_session/$', event.EventTransferSession.as_view(), name='event.transfer_session'),
         re_path(r'^logs/$', event.EventLog.as_view(), name='event.log'),
         re_path(r'^delete/$', event.EventDelete.as_view(), name='event.delete'),
         re_path(r'^comment/$', event.EventComment.as_view(),

src/pretix/control/views/event.py

@@ -1017,6 +1017,11 @@ class EventLive(EventPermissionRequiredMixin, TemplateView):
         })
 
 
+class EventTransferSession(EventPermissionRequiredMixin, TemplateView):
+    permission = 'can_change_event_settings'
+    template_name = 'pretixcontrol/event/transfer_session.html'
+
+
 class EventDelete(RecentAuthenticationRequiredMixin, EventPermissionRequiredMixin, FormView):
     permission = 'can_change_event_settings'
     template_name = 'pretixcontrol/event/delete.html'

src/pretix/locale/da/LC_MESSAGES/django.po

@@ -4,7 +4,7 @@ msgstr ""
 "Project-Id-Version: 1\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2024-04-26 09:26+0000\n"
-"PO-Revision-Date: 2024-05-01 01:00+0000\n"
+"PO-Revision-Date: 2024-04-30 01:00+0000\n"
 "Last-Translator: Nikolai <nikolai@lengefeldt.de>\n"
 "Language-Team: Danish <https://translate.pretix.eu/projects/pretix/pretix/da/"
 ">\n"
@@ -30298,15 +30298,12 @@ msgid ""
 "connect your order to your account. This will allow you to see all your "
 "orders in one place and access them at any time."
 msgstr ""
-"Hvis du allerede har oprettet en konto hos %(org)s, kan du  tilmelde dig nu "
-"og knytte din bestilling til din konto. På denne måde vil du kunne se alle "
-"dine bestillinger ét sted, hvor du kan tilgå dem til enhver tid."
 
 #: pretix/presale/templates/pretixpresale/event/checkout_customer.html:60
 #: pretix/presale/templates/pretixpresale/organizers/customer_login.html:44
 #, fuzzy
 msgid "Reset password"
-msgstr "Nulstil adgangskode"
+msgstr "Gentag adgangskode"
 
 #: pretix/presale/templates/pretixpresale/event/checkout_customer.html:92
 #, fuzzy
@@ -30320,11 +30317,6 @@ msgid ""
 "password, so you can use the account for future orders at %(org)s. You can "
 "still go ahead with this purchase before you received the email."
 msgstr ""
-"Vi sender dig en mail med et link, som du kan bruge til at aktivere din "
-"konto, hvorefter du kan vælge en adgangskode. Derefter kan du bruge din "
-"konto til alle dine bestillinger hos %(org)s i fremtiden. Du kan stadig "
-"fortsætte med at afslutte denne bestilling, selvom du ikke har modtaget "
-"mailen."
 
 #: pretix/presale/templates/pretixpresale/event/checkout_customer.html:122
 #, fuzzy
@@ -30332,23 +30324,24 @@ msgid "Continue as a guest"
 msgstr "Fortsæt som gæst"
 
 #: pretix/presale/templates/pretixpresale/event/checkout_customer.html:130
+#, fuzzy
 msgid ""
 "You are not required to create an account. If you proceed as a guest, you "
 "will be able to access the details and status of your order any time through "
 "the secret link we will send you via email once the order is complete."
 msgstr ""
 "Du behøver ikke at oprette en konto. Hvis du fortsætter som gæst, vil du "
-"altid have mulighed for at tilgå informationer og status for din bestilling "
-"via det link, som du får tilsendt per mail, når du har afsluttet din "
-"bestilling."
+"altid have mulighed for at tilgå informationer og status  for din bestilling "
+"via det link, som du får tilsendt per mail."
 
 #: pretix/presale/templates/pretixpresale/event/checkout_membership.html:6
+#, fuzzy
 msgid ""
 "Some of the products in your cart can only be purchased if there is an "
 "active membership on your account."
 msgstr ""
-"Nogle af posterne i din indkøbskurv kan kun købes, hvis du har et aktivt "
-"medlemskab på din konto."
+"Du har tilføjet ordrer, hvor det er muligt at lave yderligere indstillinger "
+"før du forsætter."
 
 #: pretix/presale/templates/pretixpresale/event/checkout_membership.html:37
 #: pretix/presale/templates/pretixpresale/event/checkout_questions.html:114
@@ -30877,10 +30870,10 @@ msgid "incl. %(tax_sum)s taxes"
 msgstr "inkl. %(rate)s%% %(taxname)s"
 
 #: pretix/presale/templates/pretixpresale/event/fragment_cart.html:482
-#, fuzzy, python-format
+#, python-format
 msgid "The items in your cart are reserved for you for %(minutes)s minutes."
 msgstr ""
-"Posterne i din indkøbskurv er reserveret til dig i %(minutes)s minutter."
+"Bookingerne i din indkøbskurv er reserveret til dig i %(minutes)s minutter."
 
 #: pretix/presale/templates/pretixpresale/event/fragment_cart.html:486
 msgid ""

src/pretix/locale/fr/LC_MESSAGES/django.po

@@ -4,8 +4,8 @@ msgstr ""
 "Project-Id-Version: 1\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2024-04-26 09:26+0000\n"
-"PO-Revision-Date: 2024-05-02 14:27+0000\n"
-"Last-Translator: Raphaël Deux <github@raphael-deux.fr>\n"
+"PO-Revision-Date: 2023-10-06 03:00+0000\n"
+"Last-Translator: Ronan LE MEILLAT <ronan.le_meillat@highcanfly.club>\n"
 "Language-Team: French <https://translate.pretix.eu/projects/pretix/pretix/fr/"
 ">\n"
 "Language: fr\n"
@@ -13,7 +13,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n > 1;\n"
-"X-Generator: Weblate 5.4.3\n"
+"X-Generator: Weblate 5.0.2\n"
 
 #: pretix/_base_settings.py:78
 msgid "English"
@@ -3218,7 +3218,7 @@ msgstr "Facture TVA"
 #: pretix/base/invoice.py:597
 msgctxt "invoice"
 msgid "Invoice"
-msgstr "Facture"
+msgstr "FactureFacture"
 
 #: pretix/base/invoice.py:598
 #: pretix/control/templates/pretixcontrol/order/index.html:271
@@ -3336,7 +3336,7 @@ msgstr ""
 
 #: pretix/base/invoice.py:858
 msgid "Default invoice renderer (European-style letter)"
-msgstr "Rendu de la facture par défaut (lettre européenne)"
+msgstr ""
 
 #: pretix/base/invoice.py:947
 msgctxt "invoice"
@@ -3345,13 +3345,14 @@ msgstr "(Veuillez mettre entre guillemets systématiquement.)"
 
 #: pretix/base/invoice.py:994
 msgid "Simplified invoice renderer"
-msgstr "Rendu simplifié de la facture"
+msgstr ""
 
 #: pretix/base/invoice.py:1013
-#, python-brace-format
+#, fuzzy, python-brace-format
+#| msgid "Event date range"
 msgctxt "invoice"
 msgid "Event date: {date_range}"
-msgstr "Plage de dates de l'événement : {date_range}"
+msgstr "Plage de dates de l'événement"
 
 #: pretix/base/media.py:61
 msgid "Barcode / QR-Code"
@@ -3580,8 +3581,10 @@ msgid "Maximum usages"
 msgstr "Utilisation maximale"
 
 #: pretix/base/modelimport_vouchers.py:81
+#, fuzzy
+#| msgid "Maximum number of items per order"
 msgid "The maximum number of usages must be set."
-msgstr "Le nombre maximum d'utilisations doit être fixé."
+msgstr "Nombre maximum d'articles par commande"
 
 #: pretix/base/modelimport_vouchers.py:90 pretix/base/models/vouchers.py:205
 msgid "Minimum usages"

src/pretix/locale/uk/LC_MESSAGES/django.po

@@ -8,7 +8,7 @@ msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2024-04-26 09:26+0000\n"
-"PO-Revision-Date: 2024-05-03 01:00+0000\n"
+"PO-Revision-Date: 2024-04-30 01:00+0000\n"
 "Last-Translator: Serhii Horichenko <m@sgg.im>\n"
 "Language-Team: Ukrainian <https://translate.pretix.eu/projects/pretix/pretix/"
 "uk/>\n"
@@ -647,7 +647,7 @@ msgstr "{system} Користувач"
 #: pretix/presale/templates/pretixpresale/event/order.html:299
 #: pretix/presale/templates/pretixpresale/organizers/customer_profile.html:26
 msgid "E-mail"
-msgstr "Ел.пошта"
+msgstr "Електронна пошта"
 
 #: pretix/base/auth.py:154 pretix/base/forms/auth.py:164
 #: pretix/base/forms/auth.py:218 pretix/base/models/customers.py:96
@@ -1853,9 +1853,8 @@ msgstr "Коротка назва події"
 #: pretix/plugins/reports/exporters.py:561
 #: pretix/plugins/reports/exporters.py:886
 #: pretix/presale/templates/pretixpresale/organizers/customer_profile.html:73
-#, fuzzy
 msgid "Order total"
-msgstr "Сума замовлення"
+msgstr "Все замовлення"
 
 #: pretix/base/exporters/orderlist.py:260
 #: pretix/base/exporters/orderlist.py:442
@@ -2054,7 +2053,7 @@ msgstr "Правило оподаткування"
 #: pretix/base/exporters/orderlist.py:624
 #: pretix/base/exporters/orderlist.py:628 pretix/base/pdf.py:331
 msgid "Invoice address name"
-msgstr "Платіжна адреса: Ім'я"
+msgstr "Ім’я в рахунку-фактурі"
 
 #: pretix/base/exporters/orderlist.py:479
 #: pretix/base/exporters/orderlist.py:661 pretix/base/models/orders.py:173
@@ -2540,7 +2539,7 @@ msgstr "Загальна квота"
 #: pretix/control/templates/pretixcontrol/event/cancel.html:20
 #: pretix/control/views/item.py:949
 msgid "Paid orders"
-msgstr "Сплачені замовлення"
+msgstr "Оплачені замовлення"
 
 #: pretix/base/exporters/orderlist.py:1106 pretix/control/views/item.py:954
 msgid "Pending orders"
@@ -3782,7 +3781,7 @@ msgstr "Усі продукти (включаючи новостворені)"
 #: pretix/base/models/checkin.py:57 pretix/plugins/badges/exporters.py:428
 #: pretix/plugins/checkinlists/exporters.py:833
 msgid "Limit to products"
-msgstr "Обмеження продуктів"
+msgstr "Обмежити до продуктів"
 
 #: pretix/base/models/checkin.py:61
 msgid ""
@@ -7165,7 +7164,7 @@ msgstr "Випадкове місто"
 
 #: pretix/base/pdf.py:336
 msgid "Invoice address company"
-msgstr "Платіжна адреса: Компанія"
+msgstr "Адреса рахунків-фактур компанії"
 
 #: pretix/base/pdf.py:342
 msgid "Sesame Street 42"
@@ -8455,11 +8454,16 @@ msgstr ""
 "вашого кошика."
 
 #: pretix/base/services/orders.py:201
-#, python-format
+#, fuzzy, python-format
+#| msgid ""
+#| "You cannot delete the product <strong>%(item)s</strong> because it "
+#| "already has been ordered."
 msgid ""
 "You cannot remove the position %(addon)s since it has already been checked "
 "in."
-msgstr "Ви не можете вилучити позицію %(addon)s, оскільки вона вже замовлена."
+msgstr ""
+"Ви не можете видалити продукт <strong>%(item)s</strong>, оскільки він уже "
+"замовлений."
 
 #: pretix/base/services/orders.py:202
 #, fuzzy
@@ -9532,7 +9536,7 @@ msgstr "напр., цим документом ми надсилаємо вам
 
 #: pretix/base/settings.py:1162
 msgid "Introductory text"
-msgstr "Вступний текст"
+msgstr "вступний текст"
 
 #: pretix/base/settings.py:1163
 msgid "Will be printed on every invoice above the invoice rows."
@@ -12284,9 +12288,11 @@ msgstr ""
 #: pretix/base/timeframes.py:71 pretix/base/timeframes.py:80
 #: pretix/base/timeframes.py:89 pretix/base/timeframes.py:98
 #: pretix/base/timeframes.py:107
+#, fuzzy
+#| msgid "Orders by day"
 msgctxt "reporting_timeframe"
 msgid "by day"
-msgstr "по днях"
+msgstr "Замовлення по днях"
 
 #: pretix/base/timeframes.py:58
 msgctxt "reporting_timeframe"
@@ -18417,9 +18423,9 @@ msgid ""
 "event and only retain the financial information such as the number and type "
 "of tickets sold."
 msgstr ""
-"Ви можете вилучити особисті дані, такі як імена та адреси електронної пошти, "
-"зі своєї події та зберегти лише таку фінансову інформацію, як кількість та "
-"тип проданих квитків."
+"Ви можете видалити особисті дані, такі як імена та адреси електронної пошти, "
+"зі своєї події та зберегти лише фінансову інформацію, як-от кількість і тип "
+"проданих квитків."
 
 #: pretix/control/templates/pretixcontrol/event/dangerzone.html:76
 #: pretix/control/templates/pretixcontrol/event/dangerzone.html:89
@@ -18993,7 +18999,7 @@ msgstr ""
 #: pretix/plugins/ticketoutputpdf/views.py:172
 #: pretix/presale/views/customer.py:476 pretix/presale/views/customer.py:528
 msgid "Your changes have been saved."
-msgstr "Ваші зміни були збережені."
+msgstr "Ваші зміни збережено."
 
 #: pretix/control/templates/pretixcontrol/event/plugins.html:36
 msgid "Top recommendation"
@@ -20812,9 +20818,9 @@ msgid ""
 "informed automatically, but you will have the option to email them "
 "individually in the next step."
 msgstr ""
-"Ви дійсно хочете вилучити цей запит на скасування? Користувачі не будуть "
-"проінформовані автоматично, але у Вас буде можливість надіслати окремі "
-"електронні листи на наступному кроці."
+"Ви дійсно хочете видалити цей запит на скасування? Користувач не буде "
+"проінформований автоматично, але ви матимете можливість надіслати їм "
+"електронний лист окремо на наступному кроці."
 
 #: pretix/control/templates/pretixcontrol/order/cancellation_request_delete.html:26
 msgid "Yes, delete request"
@@ -22896,7 +22902,7 @@ msgstr "Необмеженo"
 #: pretix/control/templates/pretixcontrol/organizers/team_members.html:67
 #: pretix/control/templates/pretixcontrol/organizers/team_members.html:113
 msgid "Remove"
-msgstr "Вилучити"
+msgstr "Видалити"
 
 #: pretix/control/templates/pretixcontrol/organizers/giftcard_acceptance_list.html:66
 msgid "Accept"
@@ -23458,7 +23464,7 @@ msgstr "Вставити"
 
 #: pretix/control/templates/pretixcontrol/pdf/index.html:39
 msgid "Undo"
-msgstr "Скасувати дію"
+msgstr "Скасувати"
 
 #: pretix/control/templates/pretixcontrol/pdf/index.html:43
 msgid "Redo"
@@ -25079,7 +25085,7 @@ msgstr ""
 #: pretix/plugins/sendmail/views.py:674 pretix/plugins/stripe/views.py:680
 #: pretix/plugins/ticketoutputpdf/views.py:132
 msgid "We could not save your changes. See below for details."
-msgstr "Нам не вдалося зберегти Ваші зміни. Подробиці дивіться нижче."
+msgstr "Нам не вдалося зберегти ваші зміни. Подробиці - нижче."
 
 #: pretix/control/views/checkin.py:416 pretix/control/views/checkin.py:453
 msgid "The requested list does not exist."
@@ -25720,8 +25726,7 @@ msgstr[2] ""
 #: pretix/presale/views/order.py:1203 pretix/presale/views/order.py:1586
 #: pretix/presale/views/order.py:1617
 msgid "Unknown order code or not authorized to access this order."
-msgstr ""
-"Невідомий код замовлення або доступ до цього замовлення отримати неможливо."
+msgstr "Невідомий код замовлення або доступ до цього замовлення не дозволений."
 
 #: pretix/control/views/orders.py:674 pretix/presale/views/order.py:1035
 msgid "Ticket download is not enabled for this product."
@@ -30770,7 +30775,7 @@ msgstr "Будь ласка, зачекайте, ми завершуємо ва
 
 #: pretix/presale/templates/pretixpresale/event/checkout_confirm.html:22
 msgid "Add or remove tickets"
-msgstr "Додати або вилучити квитки"
+msgstr "Додати або видалити квитки"
 
 #: pretix/presale/templates/pretixpresale/event/checkout_confirm.html:44
 msgid "Modify payment"
@@ -31388,7 +31393,7 @@ msgstr "Домовились, ми його замінимо…"
 #: pretix/presale/templates/pretixpresale/event/fragment_cart.html:288
 #, python-format
 msgid "Remove %(item)s from your cart"
-msgstr "Вилучити %(item)s з Вашого кошика"
+msgstr "Видалити %(item)s з вашого кошика"
 
 #: pretix/presale/templates/pretixpresale/event/fragment_cart.html:291
 #, python-format
@@ -31401,7 +31406,7 @@ msgid ""
 "Remove one %(item)s from your cart. You currently have %(count)s in your "
 "cart."
 msgstr ""
-"Вилучити один %(item)s з Вашого кошика. У Вашому кошику залишилось %(count)s."
+"Видалити один %(item)s з вашого кошика. У Вашому кошику залишилось %(count)s."
 
 #: pretix/presale/templates/pretixpresale/event/fragment_cart.html:301
 msgid "We're trying to reserve another one for you!"
@@ -31505,19 +31510,23 @@ msgid "Change summary"
 msgstr "Змінити підсумок"
 
 #: pretix/presale/templates/pretixpresale/event/fragment_change_confirm.html:19
-#, python-format
+#, fuzzy, python-format
+#| msgid ""
+#| "Change position #%(positionid)s from \"%(old_item)s – %(old_variation)s "
+#| "\" to \"%(new_item)s – %(new_variation)s\""
 msgid ""
 "Change position #%(positionid)s from \"%(old_item)s – %(old_variation)s\" to "
 "\"%(new_item)s – %(new_variation)s\""
 msgstr ""
-"Змінити позицію #%(positionid)s з \"%(old_item)s – %(old_variation)s \" на \""
-"%(new_item)s – %(new_variation)s\""
+"Змінити розміщення #%(positionid)s від \"%(old_item)s – %(old_variation)s \" "
+"до \"%(new_item)s – %(new_variation)s\""
 
 #: pretix/presale/templates/pretixpresale/event/fragment_change_confirm.html:23
 #, python-format
 msgid ""
 "Change position #%(positionid)s from \"%(old_item)s\" to \"%(new_item)s\""
-msgstr "Змінити позицію #%(positionid)s з \"%(old_item)s\" на \"%(new_item)s\""
+msgstr ""
+"Змінити розміщення #%(positionid)s від \"%(old_item)s\" до \"%(new_item)s\""
 
 #: pretix/presale/templates/pretixpresale/event/fragment_change_confirm.html:30
 #: pretix/presale/templates/pretixpresale/event/fragment_change_confirm.html:56
@@ -31531,32 +31540,32 @@ msgstr "Додатково до позиції #%(posid)s"
 #: pretix/presale/templates/pretixpresale/event/fragment_change_confirm.html:40
 #, python-format
 msgid "Change date of position #%(positionid)s from \"%(old)s\" to \"%(new)s\""
-msgstr "Змінити дати позиції #%(positionid)s з \"%(old)s\" на \"%(new)s\""
+msgstr "Змінити дати розміщення #%(positionid)s від \"%(old)s\" до \"%(new)s\""
 
 #: pretix/presale/templates/pretixpresale/event/fragment_change_confirm.html:50
 #, python-format
 msgid "Change price of position #%(positionid)s from %(old)s to %(new)s"
-msgstr "Змінити ціну позиції #%(positionid)s з %(old)s на %(new)s"
+msgstr "Змінити ціну розміщення #%(positionid)s від %(old)s до %(new)s"
 
 #: pretix/presale/templates/pretixpresale/event/fragment_change_confirm.html:70
 #, python-format
 msgid "Add position (%(item)s – %(variation)s)"
-msgstr "Додати позицію (%(item)s – %(variation)s)"
+msgstr "Додати розміщення (%(item)s – %(variation)s)"
 
 #: pretix/presale/templates/pretixpresale/event/fragment_change_confirm.html:74
 #, python-format
 msgid "Add position (%(item)s)"
-msgstr "Додати позицію (%(item)s)"
+msgstr "Додати розміщення (%(item)s)"
 
 #: pretix/presale/templates/pretixpresale/event/fragment_change_confirm.html:95
 #, python-format
 msgid "Remove position #%(positionid)s (%(item)s – %(variation)s)"
-msgstr "Вилучити позицію #%(positionid)s (%(item)s – %(variation)s)"
+msgstr "Видалити розміщення #%(positionid)s (%(item)s – %(variation)s)"
 
 #: pretix/presale/templates/pretixpresale/event/fragment_change_confirm.html:99
 #, python-format
 msgid "Remove position #%(positionid)s (%(item)s)"
-msgstr "Вилучити позицію #%(positionid)s (%(item)s)"
+msgstr "Видалити розміщення #%(positionid)s (%(item)s)"
 
 #: pretix/presale/templates/pretixpresale/event/fragment_change_confirm.html:121
 msgid "Total price change"
@@ -32653,7 +32662,7 @@ msgstr ""
 #: pretix/presale/templates/pretixpresale/event/waitinglist_remove.html:16
 msgctxt "waitinglist"
 msgid "Yes, remove my ticket"
-msgstr "Так, вилучити мій квиток"
+msgstr "Так, видалити мій квиток"
 
 #: pretix/presale/templates/pretixpresale/fragment_calendar.html:6
 msgid "Calendar"

src/pretix/locale/uk/LC_MESSAGES/djangojs.po

@@ -8,7 +8,7 @@ msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2024-04-23 12:41+0000\n"
-"PO-Revision-Date: 2024-05-01 01:00+0000\n"
+"PO-Revision-Date: 2024-04-30 01:00+0000\n"
 "Last-Translator: Serhii Horichenko <m@sgg.im>\n"
 "Language-Team: Ukrainian <https://translate.pretix.eu/projects/pretix/"
 "pretix-js/uk/>\n"
@@ -537,7 +537,7 @@ msgstr "Додайте умову"
 #: pretix/static/pretixcontrol/js/ui/checkinrules.js:191
 #, fuzzy
 msgid "minutes"
-msgstr "хвилини"
+msgstr "хвилин"
 
 #: pretix/static/pretixcontrol/js/ui/checkinrules.js:192
 msgid "Duplicate"
@@ -688,7 +688,7 @@ msgid_plural "({num} more dates)"
 msgstr[0] "(додати дату)"
 msgstr[1] "(додати {num} дати)"
 msgstr[2] "(додати {num} дат)"
-msgstr[3] "(додати {num} дати)"
+msgstr[3] "(додати {num} дат)"
 
 #: pretix/static/pretixpresale/js/ui/cart.js:43
 msgid ""
@@ -703,25 +703,22 @@ msgid "Cart expired"
 msgstr "Термін дії кошика закінчився"
 
 #: pretix/static/pretixpresale/js/ui/cart.js:50
-#, fuzzy
 msgid "The items in your cart are reserved for you for one minute."
 msgid_plural "The items in your cart are reserved for you for {num} minutes."
-msgstr[0] "Товари у Вашому кошику зарезервовані для Вас на одну хвилину."
-msgstr[1] "Товари у Вашому кошику зарезервовані для Вас на {num} хвилини."
-msgstr[2] "Товари у Вашому кошику зарезервовані для Вас на {num} хвилин."
-msgstr[3] "Товари у Вашому кошику зарезервовані для Вас на {num} хвилин."
+msgstr[0] ""
+msgstr[1] ""
 
 #: pretix/static/pretixpresale/js/ui/main.js:203
 msgid "The organizer keeps %(currency)s %(amount)s"
-msgstr "Організатор утримує %(amount)s %(currency)s"
+msgstr ""
 
 #: pretix/static/pretixpresale/js/ui/main.js:211
 msgid "You get %(currency)s %(amount)s back"
-msgstr "Ви отримаєте в поверненні %(amount)s %(currency)s"
+msgstr ""
 
 #: pretix/static/pretixpresale/js/ui/main.js:227
 msgid "Please enter the amount the organizer can keep."
-msgstr "Введіть суму, яку може залишити організатор."
+msgstr ""
 
 #: pretix/static/pretixpresale/js/ui/main.js:444
 msgid "Please enter a quantity for one of the ticket types."
@@ -741,45 +738,52 @@ msgid "Your local time:"
 msgstr "Ваш місцевий час:"
 
 #: pretix/static/pretixpresale/js/walletdetection.js:39
+#, fuzzy
+#| msgid "Apple Pay"
 msgid "Google Pay"
-msgstr "Google Pay"
+msgstr "Apple Pay"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:16
 msgctxt "widget"
 msgid "Quantity"
-msgstr "Кількість"
+msgstr ""
 
 #: pretix/static/pretixpresale/js/widget/widget.js:17
 msgctxt "widget"
 msgid "Decrease quantity"
-msgstr "Зменшити кількість"
+msgstr ""
 
 #: pretix/static/pretixpresale/js/widget/widget.js:18
 msgctxt "widget"
 msgid "Increase quantity"
-msgstr "Збільшити кількість"
+msgstr ""
 
 #: pretix/static/pretixpresale/js/widget/widget.js:19
 msgctxt "widget"
 msgid "Price"
-msgstr "Ціна"
+msgstr ""
 
 #: pretix/static/pretixpresale/js/widget/widget.js:20
+#, fuzzy
+#| msgid "Selected only"
 msgctxt "widget"
 msgid "Select"
-msgstr "Виберіть"
+msgstr "Тільки вибрані"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:21
-#, javascript-format
+#, fuzzy, javascript-format
+#| msgid "Selected only"
 msgctxt "widget"
 msgid "Select %s"
-msgstr "Виберіть %s"
+msgstr "Тільки вибрані"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:22
-#, javascript-format
+#, fuzzy, javascript-format
+#| msgctxt "widget"
+#| msgid "See variations"
 msgctxt "widget"
 msgid "Select variant %s"
-msgstr "Виберіть варіант %s"
+msgstr "Переглянути варіанти"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:23
 msgctxt "widget"
@@ -843,19 +847,25 @@ msgid "Only available with a voucher"
 msgstr "Доступно лише з ваучером"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:35
+#, fuzzy
+#| msgctxt "widget"
+#| msgid "currently available: %s"
 msgctxt "widget"
 msgid "Not yet available"
-msgstr "Зараз не доступно"
+msgstr "доступно зараз: %s"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:36
 msgctxt "widget"
 msgid "Not available anymore"
-msgstr "Більше не доступно"
+msgstr ""
 
 #: pretix/static/pretixpresale/js/widget/widget.js:37
+#, fuzzy
+#| msgctxt "widget"
+#| msgid "currently available: %s"
 msgctxt "widget"
 msgid "Currently not available"
-msgstr "Зараз недоступно"
+msgstr "доступно зараз: %s"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:38
 #, javascript-format
@@ -879,13 +889,11 @@ msgid ""
 "There are currently a lot of users in this ticket shop. Please open the shop "
 "in a new tab to continue."
 msgstr ""
-"Зараз у цій касі багато користувачів. Щоб продовжити, відкрийте вікно "
-"квитків у новій вкладці."
 
 #: pretix/static/pretixpresale/js/widget/widget.js:43
 msgctxt "widget"
 msgid "Open ticket shop"
-msgstr "Відкрити касу"
+msgstr ""
 
 #: pretix/static/pretixpresale/js/widget/widget.js:44
 msgctxt "widget"
@@ -947,14 +955,20 @@ msgid "Continue"
 msgstr "Продовжити"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:56
+#, fuzzy
+#| msgctxt "widget"
+#| msgid "See variations"
 msgctxt "widget"
 msgid "Show variants"
-msgstr "Показати варіанти"
+msgstr "Переглянути варіанти"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:57
+#, fuzzy
+#| msgctxt "widget"
+#| msgid "See variations"
 msgctxt "widget"
 msgid "Hide variants"
-msgstr "Сховати варіанти"
+msgstr "Переглянути варіанти"
 
 #: pretix/static/pretixpresale/js/widget/widget.js:58
 msgctxt "widget"
@@ -1003,9 +1017,6 @@ msgid ""
 "add yourself to the waiting list. We will then notify if seats are available "
 "again."
 msgstr ""
-"Деякі або всі категорії квитків зараз розпродані. Якщо хочете, можете "
-"додатися до списку очікування. Тоді ми Вам повідомимо, коли місця знову "
-"будуть вільні."
 
 #: pretix/static/pretixpresale/js/widget/widget.js:67
 msgctxt "widget"

src/pretix/multidomain/templatetags/eventurl.py

@@ -27,7 +27,7 @@ from django.urls import NoReverseMatch
 from django.utils.encoding import smart_str
 from django.utils.html import conditional_escape
 
-from pretix.multidomain.urlreverse import build_absolute_uri
+from pretix.multidomain.urlreverse import build_absolute_uri, mainreverse
 
 register = template.Library()
 
@@ -45,11 +45,13 @@ class EventURLNode(URLNode):
             for k, v in self.kwargs.items()
         }
         view_name = self.view_name.resolve(context)
-        event = self.event.resolve(context)
+        event = self.event.resolve(context) if self.event is not False else False
         url = ''
         try:
             if self.absolute:
                 url = build_absolute_uri(event, view_name, kwargs=kwargs)
+            elif self.event is False:
+                url = mainreverse(view_name, kwargs)
             else:
                 url = eventreverse(event, view_name, kwargs=kwargs)
         except NoReverseMatch:
@@ -65,21 +67,34 @@ class EventURLNode(URLNode):
             return url
 
 
-@register.tag
-def eventurl(parser, token, absolute=False):
+def multidomainurl(parser, token, has_event, absolute):
     """
-    Similar to {% url %} in the same way that eventreverse() is similar to reverse().
+    Similar to {% url %}, but multidomain-aware. Used by eventurl, abseventurl and absmainurl.
 
-    Takes an event or organizer object, an url name and optional keyword arguments
+    If has_event=True, takes an event or organizer object as first template tag parameter.
+    Always takes an url name and optional keyword arguments after that.
+
+    Returns an absolute URL in the following cases:
+    - absolute=True
+    - has_event=True and the event has a custom domain
+    Returns a relative URL otherwise.
     """
     bits = token.split_contents()
-    if len(bits) < 3:
-        raise TemplateSyntaxError("'%s' takes at least two arguments, an event and the name of a url()." % bits[0])
-    viewname = parser.compile_filter(bits[2])
-    event = parser.compile_filter(bits[1])
+    tagname = bits[0]
+    if has_event:
+        if len(bits) < 3:
+            raise TemplateSyntaxError("'%s' takes at least two arguments, an event and the name of a url()." % tagname)
+        viewname = parser.compile_filter(bits[2])
+        event = parser.compile_filter(bits[1])
+        bits = bits[3:]
+    else:
+        if len(bits) < 2:
+            raise TemplateSyntaxError("'%s' takes at least one arguments, the name of a url()." % tagname)
+        viewname = parser.compile_filter(bits[1])
+        event = False
+        bits = bits[2:]
     kwargs = {}
     asvar = None
-    bits = bits[3:]
     if len(bits) >= 2 and bits[-2] == 'as':
         asvar = bits[-1]
         bits = bits[:-2]
@@ -88,16 +103,26 @@ def eventurl(parser, token, absolute=False):
         for bit in bits:
             match = kwarg_re.match(bit)
             if not match:
-                raise TemplateSyntaxError("Malformed arguments to eventurl tag")
+                raise TemplateSyntaxError("Malformed arguments to %s tag" % tagname)
             name, value = match.groups()
             if name:
                 kwargs[name] = parser.compile_filter(value)
             else:
-                raise TemplateSyntaxError('Event urls only have keyword arguments.')
+                raise TemplateSyntaxError('Multidomain urls only have keyword arguments.')
 
     return EventURLNode(event, viewname, kwargs, asvar, absolute)
 
 
+@register.tag
+def eventurl(parser, token):
+    """
+    Similar to {% url %} in the same way that eventreverse() is similar to reverse().
+
+    Takes an event or organizer object, an url name and optional keyword arguments
+    """
+    return multidomainurl(parser, token, has_event=True, absolute=False)
+
+
 @register.tag
 def abseventurl(parser, token):
     """
@@ -105,4 +130,12 @@ def abseventurl(parser, token):
 
     Returns an absolute URL.
     """
-    return eventurl(parser, token, absolute=True)
+    return multidomainurl(parser, token, has_event=True, absolute=True)
+
+
+@register.tag
+def absmainurl(parser, token):
+    """
+    Like {% url %}, but always returns an absolute URL on the main domain.
+    """
+    return multidomainurl(parser, token, has_event=False, absolute=True)

src/pretix/multidomain/urlreverse.py

@@ -180,7 +180,7 @@ def build_absolute_uri(obj, urlname, kwargs=None):
     """
     Works similar to ``eventreverse`` but always returns an absolute URL.
 
-    :param obj: An ``Event`` or ``Organizer`` object
+    :param obj: An ``Event`` or ``Organizer`` object, or ``False`` to generate main domain URLs
     :param name: The name of the URL route
     :type name: str
     :param kwargs: A dictionary of additional keyword arguments that should be used. You do not
@@ -188,7 +188,10 @@ def build_absolute_uri(obj, urlname, kwargs=None):
         needed.
     :returns: An absolute URL (including scheme and host) as a string
     """
-    reversedurl = eventreverse(obj, urlname, kwargs)
+    if obj is False:
+        reversedurl = mainreverse(urlname, kwargs)
+    else:
+        reversedurl = eventreverse(obj, urlname, kwargs)
     if '://' in reversedurl:
         return reversedurl
     return urljoin(settings.SITE_URL, reversedurl)

src/pretix/plugins/badges/exporters.py

@@ -189,14 +189,6 @@ OPTIONS = OrderedDict([
         'offsets': [46 * mm, 46 * mm],
         'pagesize': pagesizes.A4,
     }),
-    ('herma_88.9x33.87', {
-        'name': 'HERMA 88,9 x 33,87 mm (4515)',
-        'cols': 2,
-        'rows': 8,
-        'margins': [13.03 * mm, 12.29 * mm, 13.03 * mm, 12.29 * mm],
-        'offsets': [96.52 * mm, 33.87 * mm],
-        'pagesize': pagesizes.A4,
-    }),
     ('lyreco_70x36', {
         'name': 'Lyreco 70 x 36 mm (143.344)',
         'cols': 3,

src/pretix/plugins/badges/templates.py

@@ -234,9 +234,4 @@ TEMPLATES = {
         "pagesize": (40 * mm, 40 * mm),
         "layout": _simple_template(40 * mm, 40 * mm),
     },
-    "88.9x33.87": {
-        "label": format_lazy(_("{width} x {height} mm label"), width=88.9, height=33.87),
-        "pagesize": (88.9 * mm, 33.87 * mm),
-        "layout": _simple_template(88.9 * mm, 33.87 * mm),
-    },
 }

src/pretix/presale/checkoutflow.py

@@ -73,6 +73,7 @@ from pretix.base.signals import validate_cart_addons
 from pretix.base.templatetags.money import money_filter
 from pretix.base.templatetags.phone_format import phone_format
 from pretix.base.templatetags.rich_text import rich_text_snippet
+from pretix.base.timemachine import time_machine_now
 from pretix.base.views.tasks import AsyncAction
 from pretix.celery_app import app
 from pretix.helpers.http import redirect_to_url
@@ -706,7 +707,7 @@ class AddOnsStep(CartMixin, AsyncAction, TemplateFlowStep):
 
         return self.do(self.request.event.id, data, get_or_create_cart_id(self.request),
                        invoice_address=self.invoice_address.pk, locale=get_language(),
-                       sales_channel=request.sales_channel.identifier)
+                       sales_channel=request.sales_channel.identifier, override_now_dt=time_machine_now(default=None))
 
 
 class QuestionsStep(QuestionsViewMixin, CartMixin, TemplateFlowStep):
@@ -1548,6 +1549,7 @@ class ConfirmStep(CartMixin, AsyncAction, TemplateFlowStep):
             sales_channel=request.sales_channel.identifier,
             shown_total=self.cart_session.get('shown_total'),
             customer=self.cart_session.get('customer'),
+            override_now_dt=time_machine_now(default=None),
         )
 
     def get_success_message(self, value):

src/pretix/presale/middleware.py

@@ -37,6 +37,7 @@ from django.urls import resolve
 from django_scopes import scope
 
 from pretix.base.channels import WebshopSalesChannel
+from pretix.base.timemachine import time_machine_now_assigned_from_request
 from pretix.presale.signals import process_response
 
 from .utils import _detect_event
@@ -68,7 +69,8 @@ class EventMiddleware:
             if redirect:
                 return redirect
 
-        with scope(organizer=getattr(request, 'organizer', None)):
+        with scope(organizer=getattr(request, 'organizer', None)), \
+             time_machine_now_assigned_from_request(request):
             response = self.get_response(request)
 
             if hasattr(request, '_namespace') and request._namespace == 'presale' and hasattr(request, 'event'):

src/pretix/presale/templates/pretixpresale/event/base.html

@@ -111,9 +111,40 @@
     {% if request.event.testmode %}
         {% if request.sales_channel.testmode_supported %}
             <div class="alert alert-warning">
-                <p><strong><span class="sr-only">{% trans "Warning" context "alert-messages" %}:</span>
-                    {% trans "This ticket shop is currently in test mode. Please do not perform any real purchases as your order might be deleted without notice." %}
+                <p><strong>
+                    <span class="sr-only">{% trans "Warning" context "alert-messages" %}:</span>
+                    {% trans "This ticket shop is currently in test mode." %}
                 </strong></p>
+                <p>
+                    {% trans "Please do not perform any real purchases as your order might be deleted without notice." %}
+                </p>
+                {% if request.now_dt_is_fake %}
+                    <p>
+                        {% blocktrans trimmed with datetime=request.now_dt|date:"SHORT_DATETIME_FORMAT" %}
+                        You are currently using the time machine. The ticket shop is rendered as if it were {{ datetime }}.
+                        {% endblocktrans %}
+                        <a href="{% eventurl event "presale:event.timemachine" %}"><span class="fa fa-clock-o" aria-hidden="true"></span>{% trans "Change" %}</a>
+                    </p>
+                {% elif request.user.is_authenticated or request.event_access_user.is_authenticated %}
+                    <p>
+                        {% eventurl event "presale:event.timemachine" as time_machine_link %}
+                        {% blocktrans trimmed with time_machine_link=time_machine_link %}
+                            To view your shop at different points in time, you can enable
+                            <a href="{{ time_machine_link }}"><span class="fa fa-clock-o" aria-hidden="true"></span>time machine</a>.
+                        {% endblocktrans %}
+                    </p>
+                {% elif request.event_domain or request.organizer_domain %}
+                    <p>
+                        {% absmainurl "control:event.transfer_session" event=event.slug organizer=event.organizer.slug as transfer_session_link %}
+                        {% eventurl event "presale:event.timemachine" as time_machine_link %}
+                        {% with time_machine_link_encoded=time_machine_link|urlencode %}
+                            {% blocktrans trimmed with time_machine_link=transfer_session_link|add:"?next="|add:time_machine_link_encoded %}
+                                To view your shop at different points in time, you can enable
+                                <a href="{{ time_machine_link }}"><span class="fa fa-clock-o" aria-hidden="true"></span>time machine</a>.
+                            {% endblocktrans %}
+                        {% endwith %}
+                    </p>
+                {% endif %}
             </div>
         {% else %}
             <div class="alert alert-danger">
@@ -122,6 +153,8 @@
                 </strong></p>
             </div>
         {% endif %}
+
+
     {% endif %}
     {% if messages %}
         {% for message in messages %}
@@ -152,9 +185,13 @@
     {% if request.event.testmode %}
         {% if request.sales_channel.testmode_supported %}
             <div class="alert alert-testmode alert-warning">
-                <p><strong><span class="sr-only">{% trans "Warning" context "alert-messages" %}:</span>
-                    {% trans "This ticket shop is currently in test mode. Please do not perform any real purchases as your order might be deleted without notice." %}
+                <p><strong>
+                    <span class="sr-only">{% trans "Warning" context "alert-messages" %}:</span>
+                    {% trans "This ticket shop is currently in test mode." %}
                 </strong></p>
+                <p>
+                    {% trans "Please do not perform any real purchases as your order might be deleted without notice." %}
+                </p>
             </div>
         {% else %}
             <div class="alert alert-testmode alert-danger">

src/pretix/presale/templates/pretixpresale/event/fragment_product_list.html

@@ -5,17 +5,17 @@
 {% load thumb %}
 {% load eventsignal %}
 {% load rich_text %}
-{% for tup in items_by_category %}{% with category=tup.0 items=tup.1 id_prefix=tup.2 %}
-    <section {% if category %}aria-labelledby="{{ id_prefix }}category-{{ category.id }}"{% else %}aria-label="{% trans "Uncategorized items" %}"{% endif %}{% if category.description %} aria-describedby="{{ id_prefix }}category-info-{{ category.id }}"{% endif %}>
-        {% if category %}
-            <h3 id="{{ id_prefix }}category-{{ category.id }}">{{ category.name }}</h3>
-            {% if category.description %}
-                <div id="{{ id_prefix }}category-info-{{ category.id }}">{{ category.description|localize|rich_text }}</div>
+{% for tup in items_by_category %}
+    <section {% if tup.0 %}aria-labelledby="category-{{ tup.0.id }}"{% else %}aria-label="{% trans "Uncategorized items" %}"{% endif %}{% if tup.0.description %} aria-describedby="category-info-{{ tup.0.id }}"{% endif %}>
+        {% if tup.0 %}
+            <h3 id="category-{{ tup.0.id }}">{{ tup.0.name }}</h3>
+            {% if tup.0.description %}
+                <div id="category-info-{{ tup.0.id }}">{{ tup.0.description|localize|rich_text }}</div>
             {% endif %}
         {% endif %}
-        {% for item in items %}
+        {% for item in tup.1 %}
             {% if item.has_variations %}
-                <article aria-labelledby="{{ id_prefix }}item-{{ item.pk }}-legend"{% if item.description %} aria-describedby="{{ id_prefix }}item-{{ item.pk }}-description"{% endif %} class="item-with-variations{% if event.settings.show_variations_expanded %} details-open{% endif %}" id="{{ id_prefix }}item-{{ item.pk }}">
+                <article aria-labelledby="item-{{ item.pk }}-legend"{% if item.description %} aria-describedby="item-{{ item.pk }}-description"{% endif %} class="item-with-variations{% if event.settings.show_variations_expanded %} details-open{% endif %}" id="item-{{ item.pk }}">
                     <div class="row product-row headline">
                         <div class="col-md-8 col-sm-6 col-xs-12">
                             {% if item.picture %}
@@ -29,9 +29,9 @@
                                 </a>
                             {% endif %}
                             <div class="product-description {% if item.picture %}with-picture{% endif %}">
-                                <h4 id="{{ id_prefix }}item-{{ item.pk }}-legend">{{ item.name }}</h4>
+                                <h4 id="item-{{ item.pk }}-legend">{{ item.name }}</h4>
                                 {% if item.description %}
-                                    <div id="{{ id_prefix }}item-{{ item.pk }}-description" class="product-description">
+                                    <div id="item-{{ item.pk }}-description" class="product-description">
                                         {{ item.description|localize|rich_text }}
                                     </div>
                                 {% endif %}
@@ -98,14 +98,14 @@
                     </div>
                     <div class="variations {% if not event.settings.show_variations_expanded %}variations-collapsed{% endif %}">
                         {% for var in item.available_variations %}
-                            <article aria-labelledby="{{ id_prefix }}item-{{ item.pk }}-{{ var.pk }}-legend"{% if var.description %} aria-describedby="{{ id_prefix }}item-{{ item.pk }}-{{ var.pk }}-description"{% endif %} class="row product-row variation" id="{{ id_prefix }}item-{{ item.pk }}-{{ var.pk }}"
+                            <article aria-labelledby="item-{{ item.pk }}-{{ var.pk }}-legend"{% if var.description %} aria-describedby="item-{{ item.pk }}-{{ var.pk }}-description"{% endif %} class="row product-row variation" id="item-{{ item.pk }}-{{ var.pk }}"
                             {% if not item.free_price %}
                                 data-price="{% if event.settings.display_net_prices %}{{ var.display_price.net|unlocalize }}{% else %}{{ var.display_price.gross|unlocalize }}{% endif %}"
                             {% endif %}>
                                 <div class="col-md-8 col-sm-6 col-xs-12">
-                                    <h5 id="{{ id_prefix }}item-{{ item.pk }}-{{ var.pk }}-legend">{{ var }}</h5>
+                                    <h5 id="item-{{ item.pk }}-{{ var.pk }}-legend">{{ var }}</h5>
                                     {% if var.description %}
-                                        <div id="{{ id_prefix }}item-{{ item.pk }}-{{ var.pk }}-description" class="variation-description">
+                                        <div id="item-{{ item.pk }}-{{ var.pk }}-description" class="variation-description">
                                             {{ var.description|localize|rich_text }}
                                         </div>
                                     {% endif %}
@@ -136,11 +136,11 @@
                                         <div class="input-group input-group-price">
                                             <span class="input-group-addon">{{ event.currency }}</span>
                                             <input type="number" class="form-control input-item-price"
-                                                   id="{{ id_prefix }}price-variation-{{ item.pk }}-{{ var.pk }}"
+                                                   id="price-variation-{{ item.pk }}-{{ var.pk }}"
                                                    {% if not ev.presale_is_running %}disabled{% endif %}
                                                    placeholder="0"
                                                    min="{% if event.settings.display_net_prices %}{{ var.display_price.net|money_numberfield:event.currency }}{% else %}{{ var.display_price.gross|money_numberfield:event.currency }}{% endif %}"
-                                                   name="{{ id_prefix }}price_{{ item.id }}_{{ var.id }}"
+                                                   name="price_{{ item.id }}_{{ var.id }}"
                                                    {% if var.suggested_price.gross != var.display_price.gross %}
                                                        {% if event.settings.display_net_prices %}
                                                            title="{% blocktrans trimmed with item=var.value price=var.display_price.net|money:event.currency %}Modify price for {{ item }}, at least {{ price }}{% endblocktrans %}"
@@ -197,16 +197,16 @@
                                                        data-checked-onchange="price-variation-{{ item.pk }}-{{ var.pk }}"
                                                     {% endif %}
                                                        {% if not ev.presale_is_running %}disabled{% endif %}
-                                                       id="{{ id_prefix }}variation_{{ item.id }}_{{ var.id }}"
-                                                       name="{{ id_prefix }}variation_{{ item.id }}_{{ var.id }}"
+                                                       id="variation_{{ item.id }}_{{ var.id }}"
+                                                       name="variation_{{ item.id }}_{{ var.id }}"
                                                        aria-label="{% blocktrans with item=item.name var=var %}Add {{ item }}, {{ var }} to cart{% endblocktrans %}"
-                                                       {% if var.description %} aria-describedby="{{ id_prefix }}item-{{ item.pk }}-{{ var.pk }}-description"{% endif %}>
+                                                       {% if var.description %} aria-describedby="item-{{ item.pk }}-{{ var.pk }}-description"{% endif %}>
                                                 <i class="fa fa-shopping-cart" aria-hidden="true"></i>
                                                 {% trans "Select" context "checkbox" %}
                                             </label>
                                         {% else %}
                                             <div class="input-item-count-group">
-                                                <button type="button" data-step="-1" data-controls="{{ id_prefix }}variation_{{ item.id }}_{{ var.id }}" class="btn btn-default input-item-count-dec" aria-label="{% trans "Decrease quantity" %}"
+                                                <button type="button" data-step="-1" data-controls="variation_{{ item.id }}_{{ var.id }}" class="btn btn-default input-item-count-dec" aria-label="{% trans "Decrease quantity" %}"
                                                     {% if not ev.presale_is_running %}disabled{% endif %}>-</button>
                                                 <input type="number" class="form-control input-item-count" placeholder="0" min="0"
                                                        {% if not ev.presale_is_running %}disabled{% endif %}
@@ -214,10 +214,10 @@
                                                            data-checked-onchange="price-variation-{{ item.pk }}-{{ var.pk }}"
                                                         {% endif %}
                                                        max="{{ var.order_max }}"
-                                                       id="{{ id_prefix }}variation_{{ item.id }}_{{ var.id }}"
-                                                       name="{{ id_prefix }}variation_{{ item.id }}_{{ var.id }}"
+                                                       id="variation_{{ item.id }}_{{ var.id }}"
+                                                       name="variation_{{ item.id }}_{{ var.id }}"
                                                        aria-label="{% blocktrans with item=item.name var=var.name %}Quantity of {{ item }}, {{ var }} to order{% endblocktrans %}">
-                                                <button type="button" data-step="1" data-controls="{{ id_prefix }}variation_{{ item.id }}_{{ var.id }}" class="btn btn-default input-item-count-inc" aria-label="{% trans "Increase quantity" %}"
+                                                <button type="button" data-step="1" data-controls="variation_{{ item.id }}_{{ var.id }}" class="btn btn-default input-item-count-inc" aria-label="{% trans "Increase quantity" %}"
                                                     {% if not ev.presale_is_running %}disabled{% endif %}>+</button>
                                             </div>
                                         {% endif %}
@@ -231,7 +231,7 @@
                     </div>
                 </article>
             {% else %}
-                <article aria-labelledby="{{ id_prefix }}item-{{ item.pk }}-legend"{% if item.description %} aria-describedby="{{ id_prefix }}item-{{ item.pk }}-description"{% endif %} class="row product-row simple" id="{{ id_prefix }}item-{{ item.pk }}"
+                <article aria-labelledby="item-{{ item.pk }}-legend"{% if item.description %} aria-describedby="item-{{ item.pk }}-description"{% endif %} class="row product-row simple" id="item-{{ item.pk }}"
                 {% if not item.free_price %}
                     data-price="{% if event.settings.display_net_prices %}{{ item.display_price.net|unlocalize }}{% else %}{{ item.display_price.gross|unlocalize }}{% endif %}"
                 {% endif %}>
@@ -247,9 +247,9 @@
                             </a>
                         {% endif %}
                         <div class="product-description {% if item.picture %}with-picture{% endif %}">
-                            <h4 id="{{ id_prefix }}item-{{ item.pk }}-legend">{{ item.name }}</h4>
+                            <h4 id="item-{{ item.pk }}-legend">{{ item.name }}</h4>
                             {% if item.description %}
-                                <div id="{{ id_prefix }}item-{{ item.pk }}-description" class="product-description">
+                                <div id="item-{{ item.pk }}-description" class="product-description">
                                     {{ item.description|localize|rich_text }}
                                 </div>
                             {% endif %}
@@ -290,10 +290,10 @@
                                 <label class="sr-only" for="price-item-{{ item.pk }}">{% blocktrans trimmed with item=item.name currency=event.currency %}Set price in {{ currency }} for {{ item }}{% endblocktrans %}</label>
                                 <span class="input-group-addon" aria-hidden="true">{{ event.currency }}</span>
                                 <input type="number" class="form-control input-item-price" placeholder="0"
-                                       id="{{ id_prefix }}price-item-{{ item.pk }}"
+                                       id="price-item-{{ item.pk }}"
                                        {% if not ev.presale_is_running %}disabled{% endif %}
                                        min="{% if event.settings.display_net_prices %}{{ item.display_price.net|money_numberfield:event.currency }}{% else %}{{ item.display_price.gross|money_numberfield:event.currency }}{% endif %}"
-                                       name="{{ id_prefix }}price_{{ item.id }}"
+                                       name="price_{{ item.id }}"
                                        {% if item.suggested_price.gross != item.display_price.gross %}
                                            {% if event.settings.display_net_prices %}
                                                 title="{% blocktrans trimmed with item=item.name price=item.display_price.net|money:event.currency %}Modify price for {{ item }}, at least {{ price }}{% endblocktrans %}"
@@ -349,15 +349,15 @@
                                            data-checked-onchange="price-item-{{ item.pk }}"
                                         {% endif %}
                                            {% if not ev.presale_is_running %}disabled{% endif %}
-                                           name="{{ id_prefix }}item_{{ item.id }}" id="{{ id_prefix }}item_{{ item.id }}"
+                                           name="item_{{ item.id }}" id="item_{{ item.id }}"
                                            aria-label="{% blocktrans with item=item.name %}Add {{ item }} to cart{% endblocktrans %}"
-                                           {% if item.description %} aria-describedby="{{ id_prefix }}item-{{ item.id }}-description"{% endif %}>
+                                           {% if item.description %} aria-describedby="item-{{ item.id }}-description"{% endif %}>
                                         <i class="fa fa-shopping-cart" aria-hidden="true"></i>
                                         {% trans "Select" context "checkbox" %}
                                 </label>
                             {% else %}
                                 <div class="input-item-count-group">
-                                    <button type="button" data-step="-1" data-controls="{{ id_prefix }}item_{{ item.id }}" class="btn btn-default input-item-count-dec" aria-label="{% trans "Decrease quantity" %}"
+                                    <button type="button" data-step="-1" data-controls="item_{{ item.id }}" class="btn btn-default input-item-count-dec" aria-label="{% trans "Decrease quantity" %}"
                                         {% if not ev.presale_is_running %}disabled{% endif %}>-</button>
                                     <input type="number" class="form-control input-item-count" placeholder="0" min="0"
                                            {% if not ev.presale_is_running %}disabled{% endif %}
@@ -366,11 +366,11 @@
                                                data-checked-onchange="price-item-{{ item.pk }}"
                                             {% endif %}
                                            max="{{ item.order_max }}"
-                                           name="{{ id_prefix }}item_{{ item.id }}"
-                                           id="{{ id_prefix }}item_{{ item.id }}"
+                                           name="item_{{ item.id }}"
+                                           id="item_{{ item.id }}"
                                            aria-label="{% blocktrans with item=item.name %}Quantity of {{ item }} to order{% endblocktrans %}"
-                                           {% if item.description %} aria-describedby="{{ id_prefix }}item-{{ item.id }}-description"{% endif %}>
-                                    <button type="button" data-step="1" data-controls="{{ id_prefix }}item_{{ item.id }}" class="btn btn-default input-item-count-inc" aria-label="{% trans "Increase quantity" %}"
+                                           {% if item.description %} aria-describedby="item-{{ item.id }}-description"{% endif %}>
+                                    <button type="button" data-step="1" data-controls="item_{{ item.id }}" class="btn btn-default input-item-count-inc" aria-label="{% trans "Increase quantity" %}"
                                         {% if not ev.presale_is_running %}disabled{% endif %}>+</button>
                                 </div>
                             {% endif %}
@@ -383,4 +383,4 @@
             {% endif %}
         {% endfor %}
     </section>
-{% endwith %}{% endfor %}
+{% endfor %}

src/pretix/presale/templates/pretixpresale/event/timemachine.html

@@ -0,0 +1,47 @@
+{% extends "pretixpresale/event/base.html" %}
+{% load i18n %}
+{% load l10n %}
+{% load money %}
+{% load eventurl %}
+{% load eventsignal %}
+{% load thumb %}
+{% load rich_text %}
+{% load bootstrap3 %}
+{% block title %}{% trans "Time machine" %}{% endblock %}
+
+{% block content %}
+    <div class="panel {% if request.session.timemachine_now_dt %}panel-success{% else %}panel-default{% endif %}">
+        <div class="panel-heading">
+            {% trans "Time machine" %}
+        </div>
+        <div class="panel-body">
+            <form action="" method="post" class="">
+                {% csrf_token %}
+                {% bootstrap_form_errors timemachine_form "all" %}
+
+                <p>{% trans "Test your shop as if it were a different date and time." %}</p>
+
+                <div class="row">
+                    <div class="col-md-6">
+                        {% bootstrap_field timemachine_form.now_dt layout="inline" show_label=False  %}
+                    </div>
+                    <div class="col-md-6 text-right">
+                        <button type="submit" class="btn btn-primary btn-lg btn-save">
+                            {% if request.session.timemachine_now_dt %}{% trans "Change" %}{% else %}{% trans "Enable time machine" %}{% endif %}
+                        </button>
+                        {% if request.session.timemachine_now_dt %}
+                        <button form="disable_form" type="submit" class="btn btn-default btn-lg btn-save">
+                            {% trans "Disable" %}
+                        </button>
+                        {% endif %}
+                    </div>
+                </div>
+            </form>
+            <form action="" method="post" class="" id="disable_form">
+                {% csrf_token %}
+                <input type="hidden" name="timemachine_disable" value="true">
+            </form>
+            <div class="clear"></div>
+        </div>
+    </div>
+{% endblock %}

src/pretix/presale/urls.py

@@ -173,6 +173,8 @@ event_patterns = [
     re_path(r'^(?P<subevent>\d+)/widget/product_list$', pretix.presale.views.widget.WidgetAPIProductList.as_view(),
             name='event.widget.productlist'),
 
+    re_path(r'timemachine/$', pretix.presale.views.event.EventTimeMachine.as_view(), name='event.timemachine'),
+
     # Account management is done on org level, but we at least need a logout
     re_path(r'^account/logout$', pretix.presale.views.customer.LogoutView.as_view(), name='organizer.customer.logout'),
 ]

src/pretix/presale/utils.py

@@ -38,6 +38,9 @@ from importlib import import_module
 from urllib.parse import urljoin
 
 from django.conf import settings
+from django.contrib.auth import (
+    BACKEND_SESSION_KEY, SESSION_KEY, get_user_model, load_backend,
+)
 from django.db.models import Q
 from django.http import Http404, HttpResponseForbidden
 from django.middleware.csrf import rotate_token
@@ -52,6 +55,7 @@ from django_scopes import scope
 
 from pretix.base.middleware import LocaleMiddleware
 from pretix.base.models import Customer, Event, Organizer
+from pretix.base.timemachine import time_machine_now_assigned_from_request
 from pretix.helpers.http import redirect_to_url
 from pretix.multidomain.urlreverse import (
     get_event_domain, get_organizer_domain,
@@ -218,6 +222,17 @@ def customer_logout(request):
     request._cached_customer = None
 
 
+def _get_user_from_session_data(sessiondata):
+    if SESSION_KEY not in sessiondata:
+        return None
+    user_id = get_user_model()._meta.pk.to_python(sessiondata[SESSION_KEY])
+    backend_path = sessiondata[BACKEND_SESSION_KEY]
+    if backend_path in settings.AUTHENTICATION_BACKENDS:
+        backend = load_backend(backend_path)
+        user = backend.get_user(user_id)
+        return user
+
+
 @scope(organizer=None)
 def _detect_event(request, require_live=True, require_plugin=None):
 
@@ -303,14 +318,13 @@ def _detect_event(request, require_live=True, require_plugin=None):
             # Restrict locales to the ones available for this event
             LocaleMiddleware(NotImplementedError).process_request(request)
 
-            if require_live and not request.event.live:
+            if require_live and (request.event.testmode or not request.event.live):
                 can_access = (
                     url.url_name == 'event.auth'
                     or (
                         request.user.is_authenticated
                         and request.user.has_event_permission(request.organizer, request.event, request=request)
                     )
-
                 )
                 if not can_access and 'pretix_event_access_{}'.format(request.event.pk) in request.session:
                     sparent = SessionStore(request.session.get('pretix_event_access_{}'.format(request.event.pk)))
@@ -319,9 +333,12 @@ def _detect_event(request, require_live=True, require_plugin=None):
                     except:
                         pass
                     else:
-                        can_access = 'event_access' in parentdata
+                        user = _get_user_from_session_data(parentdata)
+                        if user and user.is_authenticated and user.has_event_permission(request.organizer, request.event, request=request):
+                            can_access = True
+                            request.event_access_user = user
 
-                if not can_access:
+                if not can_access and not request.event.live:
                     # Directly construct view instead of just calling `raise` since this case is so common that we
                     # don't want it to show in our log files.
                     template = loader.get_template("pretixpresale/event/offline.html")
@@ -393,7 +410,8 @@ def _event_view(function=None, require_live=True, require_plugin=None):
             if ret:
                 return ret
             else:
-                with scope(organizer=getattr(request, 'organizer', None)):
+                with scope(organizer=getattr(request, 'organizer', None)), \
+                     time_machine_now_assigned_from_request(request):
                     response = func(request=request, *args, **kwargs)
                     if getattr(request, 'event', None):
                         for receiver, r in process_response.send(request.event, request=request, response=response):

src/pretix/presale/views/cart.py

@@ -63,6 +63,7 @@ from pretix.base.services.cart import (
     CartError, add_items_to_cart, apply_voucher, clear_cart, error_messages,
     remove_cart_position,
 )
+from pretix.base.timemachine import time_machine_now
 from pretix.base.views.tasks import AsyncAction
 from pretix.helpers.http import redirect_to_url
 from pretix.multidomain.urlreverse import eventreverse
@@ -154,25 +155,17 @@ class CartActionMixin:
         if value.strip() == '' or '_' not in key:
             return
 
-        subevent = None
-        if key.startswith('subevent_'):
-            try:
-                parts = key.split('_', 2)
-                subevent = int(parts[1])
-                key = parts[2]
-            except ValueError:
-                pass
-        elif 'subevent' in self.request.POST:
-            try:
-                subevent = int(self.request.POST.get('subevent'))
-            except ValueError:
-                pass
-
         if not key.startswith('item_') and not key.startswith('variation_') and not key.startswith('seat_'):
             return
 
         parts = key.split("_")
         price = self.request.POST.get('price_' + "_".join(parts[1:]), "")
+        subevent = None
+        if 'subevent' in self.request.POST:
+            try:
+                subevent = int(self.request.POST.get('subevent'))
+            except ValueError:
+                pass
 
         if key.startswith('seat_'):
             try:
@@ -437,7 +430,8 @@ class CartApplyVoucher(EventViewMixin, CartActionMixin, AsyncAction, View):
     def post(self, request, *args, **kwargs):
         if 'voucher' in request.POST:
             return self.do(self.request.event.id, request.POST.get('voucher'), get_or_create_cart_id(self.request),
-                           translation.get_language(), request.sales_channel.identifier)
+                           translation.get_language(), request.sales_channel.identifier,
+                           time_machine_now(default=None))
         else:
             if 'ajax' in self.request.GET or 'ajax' in self.request.POST:
                 return JsonResponse({
@@ -463,7 +457,8 @@ class CartRemove(EventViewMixin, CartActionMixin, AsyncAction, View):
         if 'id' in request.POST:
             try:
                 return self.do(self.request.event.id, int(request.POST.get('id')), get_or_create_cart_id(self.request),
-                               translation.get_language(), request.sales_channel.identifier)
+                               translation.get_language(), request.sales_channel.identifier,
+                               time_machine_now(default=None))
             except ValueError:
                 return redirect_to_url(self.get_error_url())
         else:
@@ -486,7 +481,7 @@ class CartClear(EventViewMixin, CartActionMixin, AsyncAction, View):
 
     def post(self, request, *args, **kwargs):
         return self.do(self.request.event.id, get_or_create_cart_id(self.request), translation.get_language(),
-                       request.sales_channel.identifier)
+                       request.sales_channel.identifier, time_machine_now(default=None))
 
 
 @method_decorator(allow_cors_if_namespaced, 'dispatch')
@@ -542,7 +537,8 @@ class CartAdd(EventViewMixin, CartActionMixin, AsyncAction, View):
         items = self._items_from_post_data()
         if items:
             return self.do(self.request.event.id, items, cart_id, translation.get_language(),
-                           self.invoice_address.pk, widget_data, self.request.sales_channel.identifier)
+                           self.invoice_address.pk, widget_data, self.request.sales_channel.identifier,
+                           time_machine_now(default=None))
         else:
             if 'ajax' in self.request.GET or 'ajax' in self.request.POST:
                 return JsonResponse({

src/pretix/presale/views/event.py

@@ -42,24 +42,29 @@ from importlib import import_module
 from urllib.parse import urlencode
 
 import isoweek
+from dateutil import parser
+from django import forms
 from django.conf import settings
+from django.contrib import messages
 from django.core.exceptions import PermissionDenied
 from django.db.models import (
     Count, Exists, IntegerField, OuterRef, Prefetch, Q, Value,
 )
 from django.db.models.lookups import Exact
 from django.http import Http404, HttpResponse
-from django.shortcuts import get_object_or_404, render
+from django.shortcuts import get_object_or_404, redirect, render
 from django.utils.decorators import method_decorator
 from django.utils.formats import get_format
 from django.utils.functional import SimpleLazyObject
-from django.utils.timezone import now
+from django.utils.http import url_has_allowed_host_and_scheme
+from django.utils.timezone import get_current_timezone, now
 from django.utils.translation import gettext_lazy as _, pgettext_lazy
 from django.views import View
 from django.views.decorators.csrf import csrf_exempt
 from django.views.generic import TemplateView
 
 from pretix.base.channels import get_all_sales_channels
+from pretix.base.forms.widgets import SplitDateTimePickerWidget
 from pretix.base.models import (
     ItemVariation, Quota, SeatCategoryMapping, Voucher,
 )
@@ -69,7 +74,12 @@ from pretix.base.models.items import (
 )
 from pretix.base.services.placeholders import PlaceholderContext
 from pretix.base.services.quotas import QuotaAvailability
+from pretix.base.timemachine import has_time_machine_permission
 from pretix.helpers.compat import date_fromisocalendar
+from pretix.helpers.formats.en.formats import (
+    SHORT_MONTH_DAY_FORMAT, WEEK_FORMAT,
+)
+from pretix.helpers.http import redirect_to_url
 from pretix.multidomain.urlreverse import eventreverse
 from pretix.presale.ical import get_public_ical
 from pretix.presale.signals import item_description
@@ -78,8 +88,6 @@ from pretix.presale.views.organizer import (
     filter_qs_by_attr, has_before_after, weeks_for_template,
 )
 
-from ...helpers.formats.en.formats import SHORT_MONTH_DAY_FORMAT, WEEK_FORMAT
-from ...helpers.http import redirect_to_url
 from . import (
     CartMixin, EventViewMixin, allow_frame_if_namespaced, get_cart,
     iframe_entry_view_wrapper,
@@ -913,8 +921,58 @@ class EventAuth(View):
         except:
             raise PermissionDenied(_('Please go back and try again.'))
         else:
-            if 'event_access' not in parentdata:
+            if 'child_session_{}'.format(request.event.pk) not in parentdata:
                 raise PermissionDenied(_('Please go back and try again.'))
 
         request.session['pretix_event_access_{}'.format(request.event.pk)] = parent
-        return redirect_to_url(eventreverse(request.event, 'presale:event.index'))
+
+        if "next" in self.request.GET and url_has_allowed_host_and_scheme(
+                url=self.request.GET.get("next"), allowed_hosts=request.host, require_https=True):
+            return redirect_to_url(self.request.GET.get('next'))
+        else:
+            return redirect_to_url(eventreverse(request.event, 'presale:event.index'))
+
+
+class TimemachineForm(forms.Form):
+    now_dt = forms.SplitDateTimeField(
+        label=_('Fake date time'),
+        widget=SplitDateTimePickerWidget(),
+        initial=lambda: now().astimezone(get_current_timezone()),
+    )
+
+
+class EventTimeMachine(EventViewMixin, TemplateView):
+    template_name = 'pretixpresale/event/timemachine.html'
+
+    def setup(self, request, *args, **kwargs):
+        super().setup(request, *args, **kwargs)
+        if not has_time_machine_permission(request, request.event):
+            raise PermissionDenied(_('You are not allowed to access time machine mode.'))
+        if not request.event.testmode:
+            raise PermissionDenied(_('This feature is only available in test mode.'))
+        self.timemachine_form = TimemachineForm(
+            data=request.method == 'POST' and request.POST or None,
+            initial=(
+                {'now_dt': parser.parse(request.session.get(f'timemachine_now_dt:{request.event.pk}', None))}
+                if request.session.get(f'timemachine_now_dt:{request.event.pk}', None) else {}
+            )
+        )
+
+    def get_context_data(self, **kwargs):
+        ctx = super().get_context_data(**kwargs)
+        ctx['timemachine_form'] = self.timemachine_form
+        return ctx
+
+    def post(self, request, *args, **kwargs):
+        if request.POST.get("timemachine_disable"):
+            del request.session[f'timemachine_now_dt:{request.event.pk}']
+            messages.success(self.request, _('Time machine disabled!'))
+            return redirect(self.get_success_url())
+        elif self.timemachine_form.is_valid():
+            request.session[f'timemachine_now_dt:{request.event.pk}'] = str(self.timemachine_form.cleaned_data['now_dt'])
+            return redirect(eventreverse(request.event, "presale:event.index"))
+        else:
+            return self.get(request)
+
+    def get_success_url(self) -> str:
+        return eventreverse(self.request.event, 'presale:event.timemachine')

src/pretix/settings.py

@@ -704,13 +704,6 @@ BOOTSTRAP3 = {
     },
 }
 
-PASSWORD_HASHERS = [
-    "django.contrib.auth.hashers.Argon2PasswordHasher",
-    "django.contrib.auth.hashers.PBKDF2PasswordHasher",
-    "django.contrib.auth.hashers.PBKDF2SHA1PasswordHasher",
-    "django.contrib.auth.hashers.BCryptSHA256PasswordHasher",
-    "django.contrib.auth.hashers.ScryptPasswordHasher",
-]
 AUTH_PASSWORD_VALIDATORS = [
     {
         'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',

src/pretix/static/npm_dir/package-lock.json

@@ -8,8 +8,8 @@
       "name": "pretix",
       "version": "0.0.0",
       "dependencies": {
-        "@babel/core": "^7.24.5",
-        "@babel/preset-env": "^7.24.5",
+        "@babel/core": "^7.24.3",
+        "@babel/preset-env": "^7.24.3",
         "@rollup/plugin-babel": "^6.0.4",
         "@rollup/plugin-node-resolve": "^15.2.3",
         "rollup": "^2.79.1",
@@ -43,28 +43,28 @@
       }
     },
     "node_modules/@babel/compat-data": {
-      "version": "7.24.4",
-      "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.24.4.tgz",
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-      "integrity": "sha512-3q93SSKX2TWCG30M2G2kwaKeTYgEUp5Snjuj8qm729SObL6nbtUldAi37qbxkD5gg3xnBio+f9nqpSepGZMvxA=="
+      "version": "7.22.20",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.22.20.tgz",
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     },
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       "version": "7.23.5",
@@ -4468,13 +4452,13 @@
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-      "version": "7.24.5",
-      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.24.5.tgz",
-      "integrity": "sha512-CiQmBMMpMQHwM5m01YnrM6imUG1ebgYJ+fAIW4FZe6m4qHTPaRHti+R8cggAwkdz4oXhtO4/K9JWlh+8hIfR2Q==",
+      "version": "7.24.1",
+      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.24.1.tgz",
+      "integrity": "sha512-BpU09QqEe6ZCHuIHFphEFgvNSrubve1FtyMton26ekZ85gRGi6LrTF7zArARp2YvyFxloeiRmtSCq5sjh1WqIg==",
       "requires": {
         "@babel/template": "^7.24.0",
-        "@babel/traverse": "^7.24.5",
-        "@babel/types": "^7.24.5"
+        "@babel/traverse": "^7.24.1",
+        "@babel/types": "^7.24.0"
       }
     },
     "@babel/highlight": {
@@ -4489,18 +4473,9 @@
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-      "version": "7.24.5",
-      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.24.5.tgz",
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-    },
-    "@babel/plugin-bugfix-firefox-class-in-computed-class-key": {
-      "version": "7.24.5",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-bugfix-firefox-class-in-computed-class-key/-/plugin-bugfix-firefox-class-in-computed-class-key-7.24.5.tgz",
-      "integrity": "sha512-LdXRi1wEMTrHVR4Zc9F8OewC3vdm5h4QB6L71zy6StmYeqGi1b3ttIO8UC+BfZKcH9jdr4aI249rBkm+3+YvHw==",
-      "requires": {
-        "@babel/helper-environment-visitor": "^7.22.20",
-        "@babel/helper-plugin-utils": "^7.24.5"
-      }
+      "version": "7.24.1",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.24.1.tgz",
+      "integrity": "sha512-Zo9c7N3xdOIQrNip7Lc9wvRPzlRtovHVE4lkz8WEDr7uYh/GMQhSiIgFxGIArRHYdJE5kxtZjAf8rT0xhdLCzg=="
     },
     "@babel/plugin-bugfix-safari-id-destructuring-collision-in-function-expression": {
       "version": "7.24.1",
@@ -4718,11 +4693,11 @@
       }
     },
     "@babel/plugin-transform-block-scoping": {
-      "version": "7.24.5",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.24.5.tgz",
-      "integrity": "sha512-sMfBc3OxghjC95BkYrYocHL3NaOplrcaunblzwXhGmlPwpmfsxr4vK+mBBt49r+S240vahmv+kUxkeKgs+haCw==",
+      "version": "7.24.1",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.24.1.tgz",
+      "integrity": "sha512-h71T2QQvDgM2SmT29UYU6ozjMlAt7s7CSs5Hvy8f8cf/GM/Z4a2zMfN+fjVGaieeCrXR3EdQl6C4gQG+OgmbKw==",
       "requires": {
-        "@babel/helper-plugin-utils": "^7.24.5"
+        "@babel/helper-plugin-utils": "^7.24.0"
       }
     },
     "@babel/plugin-transform-class-properties": {
@@ -4735,27 +4710,27 @@
       }
     },
     "@babel/plugin-transform-class-static-block": {
-      "version": "7.24.4",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-class-static-block/-/plugin-transform-class-static-block-7.24.4.tgz",
-      "integrity": "sha512-B8q7Pz870Hz/q9UgP8InNpY01CSLDSCyqX7zcRuv3FcPl87A2G17lASroHWaCtbdIcbYzOZ7kWmXFKbijMSmFg==",
+      "version": "7.24.1",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-class-static-block/-/plugin-transform-class-static-block-7.24.1.tgz",
+      "integrity": "sha512-FUHlKCn6J3ERiu8Dv+4eoz7w8+kFLSyeVG4vDAikwADGjUCoHw/JHokyGtr8OR4UjpwPVivyF+h8Q5iv/JmrtA==",
       "requires": {
-        "@babel/helper-create-class-features-plugin": "^7.24.4",
+        "@babel/helper-create-class-features-plugin": "^7.24.1",
         "@babel/helper-plugin-utils": "^7.24.0",
         "@babel/plugin-syntax-class-static-block": "^7.14.5"
       }
     },
     "@babel/plugin-transform-classes": {
-      "version": "7.24.5",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-classes/-/plugin-transform-classes-7.24.5.tgz",
-      "integrity": "sha512-gWkLP25DFj2dwe9Ck8uwMOpko4YsqyfZJrOmqqcegeDYEbp7rmn4U6UQZNj08UF6MaX39XenSpKRCvpDRBtZ7Q==",
+      "version": "7.24.1",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-classes/-/plugin-transform-classes-7.24.1.tgz",
+      "integrity": "sha512-ZTIe3W7UejJd3/3R4p7ScyyOoafetUShSf4kCqV0O7F/RiHxVj/wRaRnQlrGwflvcehNA8M42HkAiEDYZu2F1Q==",
       "requires": {
         "@babel/helper-annotate-as-pure": "^7.22.5",
         "@babel/helper-compilation-targets": "^7.23.6",
         "@babel/helper-environment-visitor": "^7.22.20",
         "@babel/helper-function-name": "^7.23.0",
-        "@babel/helper-plugin-utils": "^7.24.5",
+        "@babel/helper-plugin-utils": "^7.24.0",
         "@babel/helper-replace-supers": "^7.24.1",
-        "@babel/helper-split-export-declaration": "^7.24.5",
+        "@babel/helper-split-export-declaration": "^7.22.6",
         "globals": "^11.1.0"
       }
     },
@@ -4769,11 +4744,11 @@
       }
     },
     "@babel/plugin-transform-destructuring": {
-      "version": "7.24.5",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-destructuring/-/plugin-transform-destructuring-7.24.5.tgz",
-      "integrity": "sha512-SZuuLyfxvsm+Ah57I/i1HVjveBENYK9ue8MJ7qkc7ndoNjqquJiElzA7f5yaAXjyW2hKojosOTAQQRX50bPSVg==",
+      "version": "7.24.1",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-destructuring/-/plugin-transform-destructuring-7.24.1.tgz",
+      "integrity": "sha512-ow8jciWqNxR3RYbSNVuF4U2Jx130nwnBnhRw6N6h1bOejNkABmcI5X5oz29K4alWX7vf1C+o6gtKXikzRKkVdw==",
       "requires": {
-        "@babel/helper-plugin-utils": "^7.24.5"
+        "@babel/helper-plugin-utils": "^7.24.0"
       }
     },
     "@babel/plugin-transform-dotall-regex": {
@@ -4948,14 +4923,14 @@
       }
     },
     "@babel/plugin-transform-object-rest-spread": {
-      "version": "7.24.5",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-object-rest-spread/-/plugin-transform-object-rest-spread-7.24.5.tgz",
-      "integrity": "sha512-7EauQHszLGM3ay7a161tTQH7fj+3vVM/gThlz5HpFtnygTxjrlvoeq7MPVA1Vy9Q555OB8SnAOsMkLShNkkrHA==",
+      "version": "7.24.1",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-object-rest-spread/-/plugin-transform-object-rest-spread-7.24.1.tgz",
+      "integrity": "sha512-XjD5f0YqOtebto4HGISLNfiNMTTs6tbkFf2TOqJlYKYmbo+mN9Dnpl4SRoofiziuOWMIyq3sZEUqLo3hLITFEA==",
       "requires": {
         "@babel/helper-compilation-targets": "^7.23.6",
-        "@babel/helper-plugin-utils": "^7.24.5",
+        "@babel/helper-plugin-utils": "^7.24.0",
         "@babel/plugin-syntax-object-rest-spread": "^7.8.3",
-        "@babel/plugin-transform-parameters": "^7.24.5"
+        "@babel/plugin-transform-parameters": "^7.24.1"
       }
     },
     "@babel/plugin-transform-object-super": {
@@ -4977,21 +4952,21 @@
       }
     },
     "@babel/plugin-transform-optional-chaining": {
-      "version": "7.24.5",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-optional-chaining/-/plugin-transform-optional-chaining-7.24.5.tgz",
-      "integrity": "sha512-xWCkmwKT+ihmA6l7SSTpk8e4qQl/274iNbSKRRS8mpqFR32ksy36+a+LWY8OXCCEefF8WFlnOHVsaDI2231wBg==",
+      "version": "7.24.1",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-optional-chaining/-/plugin-transform-optional-chaining-7.24.1.tgz",
+      "integrity": "sha512-n03wmDt+987qXwAgcBlnUUivrZBPZ8z1plL0YvgQalLm+ZE5BMhGm94jhxXtA1wzv1Cu2aaOv1BM9vbVttrzSg==",
       "requires": {
-        "@babel/helper-plugin-utils": "^7.24.5",
+        "@babel/helper-plugin-utils": "^7.24.0",
         "@babel/helper-skip-transparent-expression-wrappers": "^7.22.5",
         "@babel/plugin-syntax-optional-chaining": "^7.8.3"
       }
     },
     "@babel/plugin-transform-parameters": {
-      "version": "7.24.5",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-parameters/-/plugin-transform-parameters-7.24.5.tgz",
-      "integrity": "sha512-9Co00MqZ2aoky+4j2jhofErthm6QVLKbpQrvz20c3CH9KQCLHyNB+t2ya4/UrRpQGR+Wrwjg9foopoeSdnHOkA==",
+      "version": "7.24.1",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-parameters/-/plugin-transform-parameters-7.24.1.tgz",
+      "integrity": "sha512-8Jl6V24g+Uw5OGPeWNKrKqXPDw2YDjLc53ojwfMcKwlEoETKU9rU0mHUtcg9JntWI/QYzGAXNWEcVHZ+fR+XXg==",
       "requires": {
-        "@babel/helper-plugin-utils": "^7.24.5"
+        "@babel/helper-plugin-utils": "^7.24.0"
       }
     },
     "@babel/plugin-transform-private-methods": {
@@ -5004,13 +4979,13 @@
       }
     },
     "@babel/plugin-transform-private-property-in-object": {
-      "version": "7.24.5",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-private-property-in-object/-/plugin-transform-private-property-in-object-7.24.5.tgz",
-      "integrity": "sha512-JM4MHZqnWR04jPMujQDTBVRnqxpLLpx2tkn7iPn+Hmsc0Gnb79yvRWOkvqFOx3Z7P7VxiRIR22c4eGSNj87OBQ==",
+      "version": "7.24.1",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-private-property-in-object/-/plugin-transform-private-property-in-object-7.24.1.tgz",
+      "integrity": "sha512-pTHxDVa0BpUbvAgX3Gat+7cSciXqUcY9j2VZKTbSB6+VQGpNgNO9ailxTGHSXlqOnX1Hcx1Enme2+yv7VqP9bg==",
       "requires": {
         "@babel/helper-annotate-as-pure": "^7.22.5",
-        "@babel/helper-create-class-features-plugin": "^7.24.5",
-        "@babel/helper-plugin-utils": "^7.24.5",
+        "@babel/helper-create-class-features-plugin": "^7.24.1",
+        "@babel/helper-plugin-utils": "^7.24.0",
         "@babel/plugin-syntax-private-property-in-object": "^7.14.5"
       }
     },
@@ -5073,11 +5048,11 @@
       }
     },
     "@babel/plugin-transform-typeof-symbol": {
-      "version": "7.24.5",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-typeof-symbol/-/plugin-transform-typeof-symbol-7.24.5.tgz",
-      "integrity": "sha512-UTGnhYVZtTAjdwOTzT+sCyXmTn8AhaxOS/MjG9REclZ6ULHWF9KoCZur0HSGU7hk8PdBFKKbYe6+gqdXWz84Jg==",
+      "version": "7.24.1",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-typeof-symbol/-/plugin-transform-typeof-symbol-7.24.1.tgz",
+      "integrity": "sha512-CBfU4l/A+KruSUoW+vTQthwcAdwuqbpRNB8HQKlZABwHRhsdHZ9fezp4Sn18PeAlYxTNiLMlx4xUBV3AWfg1BA==",
       "requires": {
-        "@babel/helper-plugin-utils": "^7.24.5"
+        "@babel/helper-plugin-utils": "^7.24.0"
       }
     },
     "@babel/plugin-transform-unicode-escapes": {
@@ -5116,15 +5091,14 @@
       }
     },
     "@babel/preset-env": {
-      "version": "7.24.5",
-      "resolved": "https://registry.npmjs.org/@babel/preset-env/-/preset-env-7.24.5.tgz",
-      "integrity": "sha512-UGK2ifKtcC8i5AI4cH+sbLLuLc2ktYSFJgBAXorKAsHUZmrQ1q6aQ6i3BvU24wWs2AAKqQB6kq3N9V9Gw1HiMQ==",
+      "version": "7.24.3",
+      "resolved": "https://registry.npmjs.org/@babel/preset-env/-/preset-env-7.24.3.tgz",
+      "integrity": "sha512-fSk430k5c2ff8536JcPvPWK4tZDwehWLGlBp0wrsBUjZVdeQV6lePbwKWZaZfK2vnh/1kQX1PzAJWsnBmVgGJA==",
       "requires": {
-        "@babel/compat-data": "^7.24.4",
+        "@babel/compat-data": "^7.24.1",
         "@babel/helper-compilation-targets": "^7.23.6",
-        "@babel/helper-plugin-utils": "^7.24.5",
+        "@babel/helper-plugin-utils": "^7.24.0",
         "@babel/helper-validator-option": "^7.23.5",
-        "@babel/plugin-bugfix-firefox-class-in-computed-class-key": "^7.24.5",
         "@babel/plugin-bugfix-safari-id-destructuring-collision-in-function-expression": "^7.24.1",
         "@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining": "^7.24.1",
         "@babel/plugin-bugfix-v8-static-class-fields-redefine-readonly": "^7.24.1",
@@ -5151,12 +5125,12 @@
         "@babel/plugin-transform-async-generator-functions": "^7.24.3",
         "@babel/plugin-transform-async-to-generator": "^7.24.1",
         "@babel/plugin-transform-block-scoped-functions": "^7.24.1",
-        "@babel/plugin-transform-block-scoping": "^7.24.5",
+        "@babel/plugin-transform-block-scoping": "^7.24.1",
         "@babel/plugin-transform-class-properties": "^7.24.1",
-        "@babel/plugin-transform-class-static-block": "^7.24.4",
-        "@babel/plugin-transform-classes": "^7.24.5",
+        "@babel/plugin-transform-class-static-block": "^7.24.1",
+        "@babel/plugin-transform-classes": "^7.24.1",
         "@babel/plugin-transform-computed-properties": "^7.24.1",
-        "@babel/plugin-transform-destructuring": "^7.24.5",
+        "@babel/plugin-transform-destructuring": "^7.24.1",
         "@babel/plugin-transform-dotall-regex": "^7.24.1",
         "@babel/plugin-transform-duplicate-keys": "^7.24.1",
         "@babel/plugin-transform-dynamic-import": "^7.24.1",
@@ -5176,13 +5150,13 @@
         "@babel/plugin-transform-new-target": "^7.24.1",
         "@babel/plugin-transform-nullish-coalescing-operator": "^7.24.1",
         "@babel/plugin-transform-numeric-separator": "^7.24.1",
-        "@babel/plugin-transform-object-rest-spread": "^7.24.5",
+        "@babel/plugin-transform-object-rest-spread": "^7.24.1",
         "@babel/plugin-transform-object-super": "^7.24.1",
         "@babel/plugin-transform-optional-catch-binding": "^7.24.1",
-        "@babel/plugin-transform-optional-chaining": "^7.24.5",
-        "@babel/plugin-transform-parameters": "^7.24.5",
+        "@babel/plugin-transform-optional-chaining": "^7.24.1",
+        "@babel/plugin-transform-parameters": "^7.24.1",
         "@babel/plugin-transform-private-methods": "^7.24.1",
-        "@babel/plugin-transform-private-property-in-object": "^7.24.5",
+        "@babel/plugin-transform-private-property-in-object": "^7.24.1",
         "@babel/plugin-transform-property-literals": "^7.24.1",
         "@babel/plugin-transform-regenerator": "^7.24.1",
         "@babel/plugin-transform-reserved-words": "^7.24.1",
@@ -5190,7 +5164,7 @@
         "@babel/plugin-transform-spread": "^7.24.1",
         "@babel/plugin-transform-sticky-regex": "^7.24.1",
         "@babel/plugin-transform-template-literals": "^7.24.1",
-        "@babel/plugin-transform-typeof-symbol": "^7.24.5",
+        "@babel/plugin-transform-typeof-symbol": "^7.24.1",
         "@babel/plugin-transform-unicode-escapes": "^7.24.1",
         "@babel/plugin-transform-unicode-property-regex": "^7.24.1",
         "@babel/plugin-transform-unicode-regex": "^7.24.1",
@@ -5251,29 +5225,29 @@
       }
     },
     "@babel/traverse": {
-      "version": "7.24.5",
-      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.24.5.tgz",
-      "integrity": "sha512-7aaBLeDQ4zYcUFDUD41lJc1fG8+5IU9DaNSJAgal866FGvmD5EbWQgnEC6kO1gGLsX0esNkfnJSndbTXA3r7UA==",
+      "version": "7.24.1",
+      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.24.1.tgz",
+      "integrity": "sha512-xuU6o9m68KeqZbQuDt2TcKSxUw/mrsvavlEqQ1leZ/B+C9tk6E4sRWy97WaXgvq5E+nU3cXMxv3WKOCanVMCmQ==",
       "requires": {
-        "@babel/code-frame": "^7.24.2",
-        "@babel/generator": "^7.24.5",
+        "@babel/code-frame": "^7.24.1",
+        "@babel/generator": "^7.24.1",
         "@babel/helper-environment-visitor": "^7.22.20",
         "@babel/helper-function-name": "^7.23.0",
         "@babel/helper-hoist-variables": "^7.22.5",
-        "@babel/helper-split-export-declaration": "^7.24.5",
-        "@babel/parser": "^7.24.5",
-        "@babel/types": "^7.24.5",
+        "@babel/helper-split-export-declaration": "^7.22.6",
+        "@babel/parser": "^7.24.1",
+        "@babel/types": "^7.24.0",
         "debug": "^4.3.1",
         "globals": "^11.1.0"
       }
     },
     "@babel/types": {
-      "version": "7.24.5",
-      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.24.5.tgz",
-      "integrity": "sha512-6mQNsaLeXTw0nxYUYu+NSa4Hx4BlF1x1x8/PMFbiR+GBSr+2DkECc69b8hgy2frEodNcvPffeH8YfWd3LI6jhQ==",
+      "version": "7.24.0",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.24.0.tgz",
+      "integrity": "sha512-+j7a5c253RfKh8iABBhywc8NSfP5LURe7Uh4qpsh6jc+aLJguvmIUBdjSdEMQv2bENrCR5MfRdjGo7vzS/ob7w==",
       "requires": {
-        "@babel/helper-string-parser": "^7.24.1",
-        "@babel/helper-validator-identifier": "^7.24.5",
+        "@babel/helper-string-parser": "^7.23.4",
+        "@babel/helper-validator-identifier": "^7.22.20",
         "to-fast-properties": "^2.0.0"
       },
       "dependencies": {

src/pretix/static/npm_dir/package.json

@@ -4,8 +4,8 @@
   "private": true,
   "scripts": {},
   "dependencies": {
-    "@babel/core": "^7.24.5",
-    "@babel/preset-env": "^7.24.5",
+    "@babel/core": "^7.24.3",
+    "@babel/preset-env": "^7.24.3",
     "@rollup/plugin-babel": "^6.0.4",
     "@rollup/plugin-node-resolve": "^15.2.3",
     "vue": "^2.7.16",

src/pretix/static/pretixcontrol/js/send_form.js

@@ -0,0 +1 @@
+document.forms[0].submit();

src/pretix/static/pretixpresale/scss/_event.scss

@@ -194,7 +194,7 @@ div.front-page {
     padding: 5px;
     text-align: center;
 
-    a {
+    a, .btn-link {
         text-decoration: underline;
         color: white;
     }

src/pretix/static/pretixpresale/scss/main.scss

@@ -39,6 +39,7 @@ $body-bg: #f5f5f5 !default;
 h1 a, .btn {
     text-decoration: none;
 }
+a .fa:first-child { margin-right: 0.5ch }
 /*
 a, .btn-link {
     text-decoration: underline;

src/tests/base/test_pricing_discount.py

@@ -51,11 +51,6 @@ def item2(event):
     return event.items.create(name='Ticket II', default_price=Decimal('50.00'))
 
 
-@pytest.fixture
-def item3(event):
-    return event.items.create(name='Ticket III', default_price=Decimal('42.00'))
-
-
 @pytest.fixture
 def voucher(event):
     return event.vouchers.create()
@@ -1343,66 +1338,3 @@ def test_multiple_discounts_with_benefit_condition_overlap(event, item, item2):
 
     new_prices = [p for p, d in apply_discounts(event, 'web', positions)]
     assert sorted(new_prices) == sorted(expected)
-
-
-@pytest.mark.django_db
-@scopes_disabled()
-def test_multiple_discounts_with_same_condition(event, item, item2, item3):
-    # "For every 1 item1, you get three item2 for 10 % off." + "For every 1 item1, you get five item3 for 10 % off."
-    d1 = Discount(
-        event=event,
-        condition_min_count=1,
-        condition_all_products=False,
-        benefit_only_apply_to_cheapest_n_matches=3,
-        benefit_discount_matching_percent=10,
-        benefit_same_products=False,
-        position=1,
-    )
-    d1.save()
-    d1.condition_limit_products.add(item)
-    d1.benefit_limit_products.add(item2)
-
-    d2 = Discount(
-        event=event,
-        condition_min_count=1,
-        condition_all_products=False,
-        benefit_only_apply_to_cheapest_n_matches=5,
-        benefit_discount_matching_percent=10,
-        benefit_same_products=False,
-        position=2,
-    )
-    d2.save()
-    d2.condition_limit_products.add(item)
-    d2.benefit_limit_products.add(item3)
-
-    positions = (
-        (item3.pk, None, Decimal('42.00'), False, False, Decimal('0.00')),
-        (item3.pk, None, Decimal('42.00'), False, False, Decimal('0.00')),
-        (item3.pk, None, Decimal('42.00'), False, False, Decimal('0.00')),
-        (item3.pk, None, Decimal('42.00'), False, False, Decimal('0.00')),
-        (item3.pk, None, Decimal('42.00'), False, False, Decimal('0.00')),
-        (item3.pk, None, Decimal('42.00'), False, False, Decimal('0.00')),
-        (item2.pk, None, Decimal('50.00'), False, False, Decimal('0.00')),
-        (item2.pk, None, Decimal('50.00'), False, False, Decimal('0.00')),
-        (item.pk, None, Decimal('23.00'), False, False, Decimal('0.00')),
-        (item.pk, None, Decimal('23.00'), False, False, Decimal('0.00')),
-    )
-    expected = (
-        # both item1 remain full price
-        Decimal('23.00'),
-        Decimal('23.00'),
-        # 5 item3 discounted
-        Decimal('37.80'),
-        Decimal('37.80'),
-        Decimal('37.80'),
-        Decimal('37.80'),
-        Decimal('37.80'),
-        # 2 item2 discounted
-        Decimal('45.00'),
-        Decimal('45.00'),
-        # 1 item3 remains untouched
-        Decimal('42.00'),
-    )
-
-    new_prices = [p for p, d in apply_discounts(event, 'web', positions)]
-    assert sorted(new_prices) == sorted(expected)

src/tests/multidomain/test_templatetag.py

@@ -41,6 +41,8 @@ def env():
 
 TEMPLATE_FRONT_PAGE = Template("{% load eventurl %} {% eventurl event 'presale:event.index' %}")
 TEMPLATE_KWARGS = Template("{% load eventurl %} {% eventurl event 'presale:event.checkout' step='payment' %}")
+TEMPLATE_ABSEVENTURL = Template("{% load eventurl %} {% abseventurl event 'presale:event.checkout' step='payment' %}")
+TEMPLATE_ABSMAINURL = Template("{% load eventurl %} {% absmainurl 'control:event.settings' organizer=event.organizer.slug event=event.slug %}")
 
 
 @pytest.mark.django_db
@@ -77,6 +79,40 @@ def test_event_custom_domain_kwargs(env):
     assert rendered == 'http://foobar/2015/checkout/payment/'
 
 
+@pytest.mark.django_db
+def test_abseventurl_event_main_domain(env):
+    rendered = TEMPLATE_ABSEVENTURL.render(Context({
+        'event': env[1]
+    })).strip()
+    assert rendered == 'http://example.com/mrmcd/2015/checkout/payment/'
+
+
+@pytest.mark.django_db
+def test_abseventurl_event_custom_domain(env):
+    KnownDomain.objects.create(domainname='foobar', organizer=env[0])
+    rendered = TEMPLATE_ABSEVENTURL.render(Context({
+        'event': env[1]
+    })).strip()
+    assert rendered == 'http://foobar/2015/checkout/payment/'
+
+
+@pytest.mark.django_db
+def test_absmainurl_main_domain(env):
+    rendered = TEMPLATE_ABSMAINURL.render(Context({
+        'event': env[1]
+    })).strip()
+    assert rendered == 'http://example.com/control/event/mrmcd/2015/settings/'
+
+
+@pytest.mark.django_db
+def test_absmainurl_custom_domain(env):
+    KnownDomain.objects.create(domainname='foobar', organizer=env[0])
+    rendered = TEMPLATE_ABSMAINURL.render(Context({
+        'event': env[1]
+    })).strip()
+    assert rendered == 'http://example.com/control/event/mrmcd/2015/settings/'
+
+
 @pytest.mark.django_db
 def test_only_kwargs(env):
     with pytest.raises(TemplateSyntaxError):

src/tests/presale/test_cart.py

@@ -58,6 +58,8 @@ from pretix.base.services.cart import CartError, CartManager, error_messages
 from pretix.testutils.scope import classscope
 from pretix.testutils.sessions import get_cart_session_key
 
+from .test_timemachine import TimemachineTestMixin
+
 
 class CartTestMixin:
     @scopes_disabled()
@@ -4274,3 +4276,89 @@ class CartSeatingTest(CartTestMixin, TestCase):
             self.cm.commit()
 
         assert not CartPosition.objects.filter(cart_id=self.session_key).exists()
+
+
+class CartTimemachineTest(CartTestMixin, TimemachineTestMixin, TestCase):
+    def test_before_presale_timemachine(self):
+        self._login_with_permission(self.orga)
+        self.event.presale_start = now() + timedelta(days=1)
+        self.event.testmode = True
+        self.event.save()
+        self._set_time_machine_now(now() + timedelta(days=2))
+
+        response = self.client.post('/%s/%s/cart/add' % (self.orga.slug, self.event.slug), {
+            'item_%d' % self.ticket.id: '1'
+        }, follow=True)
+        self.assertRedirects(response, '/%s/%s/?require_cookie=true' % (self.orga.slug, self.event.slug),
+                             target_status_code=200)
+        assert 'alert-success' in response.rendered_content
+        with scopes_disabled():
+            objs = list(CartPosition.objects.filter(cart_id=self.session_key, event=self.event))
+        self.assertEqual(len(objs), 1)
+        self.assertEqual(objs[0].item, self.ticket)
+        self.assertIsNone(objs[0].variation)
+        self.assertEqual(objs[0].price, 23)
+        self.assertLessEqual(objs[0].expires, now() + timedelta(
+            minutes=self.event.settings.get('reservation_time', as_type=int)))
+
+    def test_after_presale_timemachine(self):
+        self._login_with_permission(self.orga)
+        self.event.presale_end = now() - timedelta(days=1)
+        self.event.testmode = True
+        self.event.save()
+        self._set_time_machine_now(now() - timedelta(days=2))
+
+        response = self.client.post('/%s/%s/cart/add' % (self.orga.slug, self.event.slug), {
+            'item_%d' % self.ticket.id: '1'
+        }, follow=True)
+        self.assertRedirects(response, '/%s/%s/?require_cookie=true' % (self.orga.slug, self.event.slug),
+                             target_status_code=200)
+        assert 'alert-success' in response.rendered_content
+        with scopes_disabled():
+            objs = list(CartPosition.objects.filter(cart_id=self.session_key, event=self.event))
+        self.assertEqual(len(objs), 1)
+        self.assertEqual(objs[0].item, self.ticket)
+        self.assertIsNone(objs[0].variation)
+        self.assertEqual(objs[0].price, 23)
+        self.assertLessEqual(objs[0].expires, now() + timedelta(
+            minutes=self.event.settings.get('reservation_time', as_type=int)))
+
+    def test_not_yet_available_with_timemachine_in_time(self):
+        self._login_with_permission(self.orga)
+        self._enable_test_mode()
+        self.ticket.available_from = now() + timedelta(days=2)
+        self.ticket.available_until = now() + timedelta(days=4)
+        self.ticket.save()
+        self._set_time_machine_now(now() + timedelta(days=3))
+        self.client.post('/%s/%s/cart/add' % (self.orga.slug, self.event.slug), {
+            'item_%d' % self.ticket.id: '1',
+        }, follow=True)
+        with scopes_disabled():
+            self.assertEqual(CartPosition.objects.filter(cart_id=self.session_key, event=self.event).count(), 1)
+
+    def test_variation_no_longer_available_with_timemachine_in_time(self):
+        self._login_with_permission(self.orga)
+        self._enable_test_mode()
+        self.shirt_blue.available_from = now() - timedelta(days=4)
+        self.shirt_blue.available_until = now() - timedelta(days=2)
+        self.shirt_blue.save()
+        self._set_time_machine_now(now() - timedelta(days=3))
+
+        self.client.post('/%s/%s/cart/add' % (self.orga.slug, self.event.slug), {
+            'variation_%d_%d' % (self.shirt.id, self.shirt_blue.id): '1',
+        }, follow=True)
+        with scopes_disabled():
+            self.assertEqual(CartPosition.objects.filter(cart_id=self.session_key, event=self.event).count(), 1)
+
+    def test_variation_no_longer_available_with_timemachine_before(self):
+        self._login_with_permission(self.orga)
+        self._enable_test_mode()
+        self.shirt_blue.available_from = now() - timedelta(days=4)
+        self.shirt_blue.available_until = now() - timedelta(days=2)
+        self.shirt_blue.save()
+        self._set_time_machine_now(now() - timedelta(days=5))
+        self.client.post('/%s/%s/cart/add' % (self.orga.slug, self.event.slug), {
+            'variation_%d_%d' % (self.shirt.id, self.shirt_blue.id): '1',
+        }, follow=True)
+        with scopes_disabled():
+            self.assertEqual(CartPosition.objects.filter(cart_id=self.session_key, event=self.event).count(), 0)

src/tests/presale/test_checkout.py

@@ -53,9 +53,12 @@ from pretix.base.models.items import (
 from pretix.base.services.cart import CartManager
 from pretix.base.services.orders import OrderError, _perform_order
 from pretix.base.services.tax import VATIDFinalError, VATIDTemporaryError
+from pretix.base.timemachine import time_machine_now_assigned
 from pretix.testutils.scope import classscope
 from pretix.testutils.sessions import get_cart_session_key
 
+from .test_timemachine import TimemachineTestMixin
+
 
 class BaseCheckoutTestCase:
     @scopes_disabled()
@@ -122,7 +125,7 @@ class BaseCheckoutTestCase:
         }]
 
 
-class CheckoutTestCase(BaseCheckoutTestCase, TestCase):
+class CheckoutTestCase(BaseCheckoutTestCase, TimemachineTestMixin, TestCase):
 
     def _enable_reverse_charge(self):
         self.tr19.eu_reverse_charge = True
@@ -2545,6 +2548,98 @@ class CheckoutTestCase(BaseCheckoutTestCase, TestCase):
             assert op.valid_from.isoformat() == '2023-01-20T11:00:00+00:00'
             assert op.valid_until.isoformat() == '2023-01-20T13:00:00+00:00'
 
+    @freeze_time("2023-01-18 10:00:00+00:00")
+    def test_validity_requested_with_time_machine(self):
+        self._login_with_permission(self.orga)
+        self._enable_test_mode()
+        self._set_time_machine_now(now() - timedelta(days=10))
+        self.ticket.available_from = now() - timedelta(days=11)
+        self.ticket.available_until = now() - timedelta(days=9)
+        self.ticket.validity_mode = Item.VALIDITY_MODE_DYNAMIC
+        self.ticket.validity_dynamic_duration_days = 1
+        self.ticket.validity_dynamic_start_choice = True
+        self.ticket.validity_dynamic_start_choice_day_limit = 5
+        self.ticket.save()
+
+        with scopes_disabled():
+            cr1 = CartPosition.objects.create(
+                event=self.event, cart_id=self.session_key, item=self.ticket,
+                price=42, listed_price=42, price_after_voucher=42, expires=now() + timedelta(minutes=10)
+            )
+
+        # Date too far in the future, expected to fail
+        response = self.client.post('/%s/%s/checkout/questions/' % (self.orga.slug, self.event.slug), {
+            '%s-requested_valid_from' % cr1.id: '2024-01-17',
+            'email': 'admin@localhost'
+        }, follow=True)
+        doc = BeautifulSoup(response.content.decode(), "lxml")
+        self.assertGreaterEqual(len(doc.select('.has-error')), 1)
+
+        # Corrected request
+        response = self.client.post('/%s/%s/checkout/questions/' % (self.orga.slug, self.event.slug), {
+            '%s-requested_valid_from' % cr1.id: '2023-01-10',
+            'email': 'admin@localhost'
+        }, follow=True)
+        self.assertRedirects(response, '/%s/%s/checkout/payment/' % (self.orga.slug, self.event.slug),
+                             target_status_code=200)
+
+        cr1.refresh_from_db()
+        assert cr1.requested_valid_from.isoformat() == '2023-01-10T00:00:00+00:00'
+
+        self._set_payment()
+
+        response = self.client.post('/%s/%s/checkout/confirm/' % (self.orga.slug, self.event.slug), follow=True)
+        doc = BeautifulSoup(response.content.decode(), "lxml")
+        with scopes_disabled():
+            self.assertEqual(len(doc.select(".thank-you")), 1)
+            self.assertFalse(CartPosition.objects.filter(id=cr1.id).exists())
+            self.assertEqual(Order.objects.count(), 1)
+            self.assertEqual(OrderPosition.objects.count(), 1)
+            op = OrderPosition.objects.get()
+            assert op.valid_from.isoformat() == '2023-01-10T00:00:00+00:00'
+            assert op.valid_until.isoformat() == '2023-01-10T23:59:59+00:00'
+
+    @freeze_time("2023-01-18 10:00:00+00:00")
+    def test_dynamic_validity_with_time_machine(self):
+        self._login_with_permission(self.orga)
+        self._enable_test_mode()
+        self._set_time_machine_now(now() + timedelta(days=10))
+        self.ticket.available_from = now() + timedelta(days=3)
+        self.ticket.validity_mode = Item.VALIDITY_MODE_DYNAMIC
+        self.ticket.validity_dynamic_duration_days = 1
+        self.ticket.validity_dynamic_start_choice = False
+        self.ticket.save()
+
+        with scopes_disabled():
+            cr1 = CartPosition.objects.create(
+                event=self.event, cart_id=self.session_key, item=self.ticket,
+                price=42, listed_price=42, price_after_voucher=42, expires=now() + timedelta(minutes=10)
+            )
+
+        response = self.client.post('/%s/%s/checkout/questions/' % (self.orga.slug, self.event.slug), {
+            'email': 'admin@localhost'
+        }, follow=True)
+        self.assertRedirects(response, '/%s/%s/checkout/payment/' % (self.orga.slug, self.event.slug),
+                             target_status_code=200)
+
+        cr1.refresh_from_db()
+        with time_machine_now_assigned(now() + timedelta(days=10)):
+            assert cr1.predicted_validity[0].isoformat() == '2023-01-28T10:00:00+00:00'
+            assert cr1.predicted_validity[1].isoformat() == '2023-01-28T23:59:59+00:00'
+
+        self._set_payment()
+
+        response = self.client.post('/%s/%s/checkout/confirm/' % (self.orga.slug, self.event.slug), follow=True)
+        doc = BeautifulSoup(response.content.decode(), "lxml")
+        with scopes_disabled():
+            self.assertEqual(len(doc.select(".thank-you")), 1)
+            self.assertFalse(CartPosition.objects.filter(id=cr1.id).exists())
+            self.assertEqual(Order.objects.count(), 1)
+            self.assertEqual(OrderPosition.objects.count(), 1)
+            op = OrderPosition.objects.get()
+            assert op.valid_from.isoformat() == '2023-01-28T10:00:00+00:00'
+            assert op.valid_until.isoformat() == '2023-01-28T23:59:59+00:00'
+
     def test_voucher(self):
         with scopes_disabled():
             v = Voucher.objects.create(item=self.ticket, value=Decimal('12.00'), event=self.event, price_mode='set',
@@ -3486,6 +3581,28 @@ class CheckoutTestCase(BaseCheckoutTestCase, TestCase):
         doc = BeautifulSoup(response.content.decode(), "lxml")
         self.assertEqual(len(doc.select(".thank-you")), 1)
 
+    def test_before_presale_timemachine(self):
+        self._login_with_permission(self.orga)
+        self._enable_test_mode()
+        self._set_time_machine_now(now() + timedelta(days=4))
+        self.event.presale_start = now() + timedelta(days=3)
+        self.event.save()
+        with scopes_disabled():
+            CartPosition.objects.create(
+                event=self.event, cart_id=self.session_key, item=self.ticket,
+                price=23, expires=now() + timedelta(minutes=10)
+            )
+
+        self._set_payment()
+        response = self.client.get('/%s/%s/checkout/confirm/' % (self.orga.slug, self.event.slug), follow=True)
+        assert "test mode" in response.content.decode()
+        response = self.client.post('/%s/%s/checkout/confirm/' % (self.orga.slug, self.event.slug), follow=True)
+        doc = BeautifulSoup(response.content.decode(), "lxml")
+        self.assertEqual(len(doc.select(".thank-you")), 1)
+        with scopes_disabled():
+            assert Order.objects.last().testmode
+            assert Order.objects.last().code[1] == "0"
+
     def test_create_testmode_order_in_testmode(self):
         self.event.testmode = True
         self.event.save()

src/tests/presale/test_timemachine.py

@@ -0,0 +1,43 @@
+#
+# This file is part of pretix (Community Edition).
+#
+# Copyright (C) 2014-2020 Raphael Michel and contributors
+# Copyright (C) 2020-2021 rami.io GmbH and contributors
+#
+# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
+# Public License as published by the Free Software Foundation in version 3 of the License.
+#
+# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
+# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
+# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
+# this file, see <https://pretix.eu/about/en/license>.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
+# <https://www.gnu.org/licenses/>.
+#
+from django_scopes.state import scopes_disabled
+
+from pretix.base.models import Team, User
+
+
+class TimemachineTestMixin:
+    @scopes_disabled()
+    def _login_with_permission(self, orga):
+        self.user = User.objects.create_user('dummy@dummy.dummy', 'dummy')
+        self.team1 = Team.objects.create(organizer=orga, can_create_events=True, can_change_event_settings=True,
+                                         can_change_items=True, all_events=True)
+        self.team1.members.add(self.user)
+        self.client.login(email='dummy@dummy.dummy', password='dummy')
+
+    def _set_time_machine_now(self, dt):
+        session = self.client.session
+        session[f'timemachine_now_dt:{self.event.pk}'] = str(dt)
+        session.save()
+
+    def _enable_test_mode(self):
+        self.event.testmode = True
+        self.event.save()