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

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

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

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

---------

Co-authored-by: Richard Schreiber <schreiber@rami.io>
Co-authored-by: Raphael Michel <michel@rami.io>
This commit is contained in:
Mira
2024-05-17 10:52:17 +02:00
committed by GitHub
parent bfcca7046a
commit b638c00952
38 changed files with 789 additions and 142 deletions
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12
src/pretix/presale/views/cart.py
View File

@@ -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
@@ -429,7 +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({
@@ -455,7 +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:
@@ -478,7 +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')
@@ -534,7 +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({

70
src/pretix/presale/views/event.py
View File

@@ -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')