Files
pretix_cgo/src/pretix/presale/views/waiting.py
Raphael Michel 0f47bff5cd Allow to hide products that require membership (#2240)
Co-authored-by: Richard Schreiber <schreiber@rami.io>
2021-10-07 10:11:31 +02:00

174 lines
7.7 KiB
Python

#
# 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 datetime import timedelta
from django.conf import settings
from django.contrib import messages
from django.db import transaction
from django.shortcuts import get_object_or_404, redirect, render
from django.utils.decorators import method_decorator
from django.utils.timezone import now
from django.utils.translation import gettext_lazy as _, pgettext_lazy
from django.views.generic import FormView, TemplateView
from pretix.base.models import Quota, SubEvent
from pretix.base.templatetags.urlreplace import url_replace
from pretix.multidomain.urlreverse import eventreverse
from pretix.presale.views import EventViewMixin
from ...base.i18n import get_language_without_region
from ...base.models import Voucher, WaitingListEntry
from ..forms.waitinglist import WaitingListForm
from . import allow_frame_if_namespaced
@method_decorator(allow_frame_if_namespaced, 'dispatch')
class WaitingView(EventViewMixin, FormView):
template_name = 'pretixpresale/event/waitinglist.html'
form_class = WaitingListForm
def get_form_kwargs(self):
kwargs = super().get_form_kwargs()
kwargs['event'] = self.request.event
kwargs['instance'] = WaitingListEntry(
event=self.request.event, locale=get_language_without_region(),
subevent=self.subevent
)
kwargs['channel'] = self.request.sales_channel.identifier
kwargs['customer'] = getattr(self.request, 'customer', None)
kwargs.setdefault('initial', {})
if 'var' in self.request.GET:
kwargs['initial']['itemvar'] = f'{self.request.GET.get("item")}-{self.request.GET.get("var")}'
else:
kwargs['initial']['itemvar'] = self.request.GET.get("item")
if getattr(self.request, 'customer', None):
kwargs['initial']['email'] = self.request.customer.email
return kwargs
def get_context_data(self, **kwargs):
ctx = super().get_context_data(**kwargs)
ctx['event'] = self.request.event
ctx['subevent'] = self.subevent
return ctx
def get(self, request, *args, **kwargs):
if request.GET.get('iframe', '') == '1' and 'require_cookie' not in request.GET:
# Widget just opened. Let's to a stupid redirect to check if cookies are disabled
return redirect(request.get_full_path() + '&require_cookie=true')
elif 'require_cookie' in request.GET and settings.SESSION_COOKIE_NAME not in request.COOKIES:
# Cookies are in fact not supported. We can't even display the form, since we can't get CSRF right without
# cookies.
r = render(request, 'pretixpresale/event/cookies.html', {
'url': eventreverse(
request.event, "presale:event.waitinglist", kwargs={'cart_namespace': kwargs.get('cart_namespace')}
) + '?' + url_replace(request, 'require_cookie', '', 'iframe', '')
})
r._csp_ignore = True
return r
return super().get(request, *args, **kwargs)
def dispatch(self, request, *args, **kwargs):
self.request = request
if not self.request.event.settings.waiting_list_enabled:
messages.error(request, _("Waiting lists are disabled for this event."))
return redirect(self.get_index_url())
if self.request.event.presale_has_ended:
messages.error(request, _("The presale period for this event is over."))
return redirect(self.get_index_url())
if not self.request.event.presale_is_running:
messages.error(request, _("The presale for this event has not yet started."))
return redirect(self.get_index_url())
self.subevent = None
if request.event.has_subevents:
if 'subevent' in request.GET:
self.subevent = get_object_or_404(SubEvent, event=request.event, pk=request.GET['subevent'],
active=True)
else:
messages.error(request, pgettext_lazy('subevent', "You need to select a date."))
return redirect(self.get_index_url())
return super().dispatch(request, *args, **kwargs)
def form_valid(self, form):
availability = (
form.instance.variation.check_quotas(count_waitinglist=True, subevent=self.subevent)
if form.instance.variation
else form.instance.item.check_quotas(count_waitinglist=True, subevent=self.subevent)
)
if availability[0] == Quota.AVAILABILITY_OK:
messages.error(self.request, _("You cannot add yourself to the waiting list as this product is currently "
"available."))
return redirect(self.get_index_url())
form.save()
messages.success(self.request, _("We've added you to the waiting list. You will receive "
"an email as soon as tickets get available again."))
return super().form_valid(form)
def get_success_url(self):
return self.get_index_url()
@method_decorator(allow_frame_if_namespaced, 'dispatch')
class WaitingRemoveView(EventViewMixin, TemplateView):
template_name = 'pretixpresale/event/waitinglist_remove.html'
def get_context_data(self, **kwargs):
ctx = super().get_context_data(**kwargs)
ctx['event'] = self.request.event
ctx['voucher'] = self.voucher
return ctx
def dispatch(self, request, *args, **kwargs):
self.request = request
try:
self.voucher = self.request.event.vouchers.get(
code=request.GET.get("voucher", ""),
waitinglistentries__isnull=False,
)
except Voucher.DoesNotExist:
messages.error(request, _("We could not find you on our waiting list."))
return redirect(self.get_index_url())
if not self.voucher.is_active():
messages.error(request, _("Your waiting list spot is no longer valid or already used. There's nothing more to do here."))
return redirect(self.get_index_url())
return super().dispatch(request, *args, **kwargs)
@transaction.atomic()
def post(self, request, *args, **kwargs):
self.voucher.valid_until = now() - timedelta(seconds=1)
self.voucher.save(update_fields=['valid_until'])
self.voucher.log_action('pretix.voucher.expired.waitinglist')
messages.success(request, _("Thank you very much! We will assign your spot on the waiting list to someone else."))
return redirect(self.get_index_url())
def get_success_url(self):
return self.get_index_url()