Files
pretix_cgo/src/pretix/presale/views/order.py
2015-09-17 23:44:07 +02:00

294 lines
12 KiB
Python

from datetime import timedelta
from django.contrib import messages
from django.core.urlresolvers import reverse
from django.db.models import Q
from django.http import Http404
from django.shortcuts import redirect
from django.utils.functional import cached_property
from django.utils.timezone import now
from django.utils.translation import ugettext_lazy as _
from django.views.generic import TemplateView, View
from pretix.base.models import CachedFile, CachedTicket, Order, OrderPosition
from pretix.base.services.tickets import generate
from pretix.base.signals import (
register_payment_providers, register_ticket_outputs,
)
from pretix.presale.views import CartDisplayMixin, EventViewMixin
from pretix.presale.views.checkout import QuestionsViewMixin
class OrderDetailMixin:
@cached_property
def order(self):
try:
q = Q(Q(secret__isnull=False) & Q(secret__in=self.request.session['order_secrets']))
if self.request.user.is_authenticated():
q |= Q(user=self.request.user)
return Order.objects.current.get(q & Q(event=self.request.event) & Q(code=self.kwargs['order']))
except Order.DoesNotExist:
return None
@cached_property
def payment_provider(self):
responses = register_payment_providers.send(self.request.event)
for receiver, response in responses:
provider = response(self.request.event)
if provider.identifier == self.order.payment_provider:
return provider
def get_order_url(self):
return reverse('presale:event.order', kwargs={
'event': self.request.event.slug,
'organizer': self.request.event.organizer.slug,
'order': self.order.code,
})
class OrderDetails(EventViewMixin, OrderDetailMixin, CartDisplayMixin, TemplateView):
template_name = "pretixpresale/event/order.html"
def get(self, request, *args, **kwargs):
self.kwargs = kwargs
if not self.order:
raise Http404(_('Unknown order code or order does belong to another user.'))
return super().get(request, *args, **kwargs)
@cached_property
def download_buttons(self):
buttons = []
responses = register_ticket_outputs.send(self.request.event)
for receiver, response in responses:
provider = response(self.request.event)
if not provider.is_enabled:
continue
buttons.append({
'icon': provider.download_button_icon or 'fa-download',
'text': provider.download_button_text or 'fa-download',
'identifier': provider.identifier,
})
return buttons
def get_context_data(self, **kwargs):
ctx = super().get_context_data(**kwargs)
ctx['order'] = self.order
ctx['can_download'] = (
self.request.event.settings.ticket_download
and (
self.request.event.settings.ticket_download_date is None
or now() > self.request.event.settings.ticket_download_date
) and self.order.status == Order.STATUS_PAID
)
ctx['download_buttons'] = self.download_buttons
ctx['cart'] = self.get_cart(
answers=True,
queryset=OrderPosition.objects.current.filter(order=self.order)
)
if self.order.status == Order.STATUS_PENDING:
ctx['payment'] = self.payment_provider.order_pending_render(self.request, self.order)
ctx['can_retry'] = (
self.payment_provider.order_can_retry(self.order)
and self.payment_provider.is_enabled
and self.order._can_be_paid()
)
elif self.order.status == Order.STATUS_PAID:
ctx['payment'] = self.payment_provider.order_paid_render(self.request, self.order)
ctx['can_retry'] = False
return ctx
class OrderPay(EventViewMixin, OrderDetailMixin, TemplateView):
template_name = "pretixpresale/event/order_pay.html"
def dispatch(self, request, *args, **kwargs):
self.request = request
if not self.order:
raise Http404(_('Unknown order code or order does belong to another user.'))
if (self.order.status not in (Order.STATUS_PENDING, Order.STATUS_EXPIRED)
or not self.payment_provider.order_can_retry(self.order)
or not self.payment_provider.is_enabled):
messages.error(request, _('The payment for this order cannot be continued.'))
return redirect(self.get_order_url())
return super().dispatch(request, *args, **kwargs)
def post(self, request, *args, **kwargs):
resp = self.payment_provider.retry_prepare(
request, self.order
)
if isinstance(resp, str):
return redirect(resp)
elif resp is True:
return redirect(self.get_confirm_url())
else:
return self.get(request, *args, **kwargs)
def get_context_data(self, **kwargs):
ctx = super().get_context_data(**kwargs)
ctx['order'] = self.order
ctx['form'] = self.form
return ctx
@cached_property
def form(self):
return self.payment_provider.payment_form_render(self.request)
def get_confirm_url(self):
return reverse('presale:event.order.pay.confirm', kwargs={
'event': self.request.event.slug,
'organizer': self.request.event.organizer.slug,
'order': self.order.code,
})
class OrderPayDo(EventViewMixin, OrderDetailMixin, TemplateView):
template_name = "pretixpresale/event/order_pay_confirm.html"
def dispatch(self, request, *args, **kwargs):
self.request = request
if not self.order:
raise Http404(_('Unknown order code or order does belong to another user.'))
if not self.payment_provider.order_can_retry(self.order) or not self.payment_provider.is_enabled:
messages.error(request, _('The payment for this order cannot be continued.'))
return redirect(self.get_order_url())
if (not self.payment_provider.payment_is_valid_session(request)
or not self.payment_provider.is_enabled
or not self.payment_provider.is_allowed(request)):
messages.error(request, _('The payment information you entered was incomplete.'))
return redirect(self.get_payment_url())
return super().dispatch(request, *args, **kwargs)
def post(self, request, *args, **kwargs):
resp = self.payment_provider.payment_perform(request, self.order)
return redirect(resp or self.get_order_url())
def get_context_data(self, **kwargs):
ctx = super().get_context_data(**kwargs)
ctx['order'] = self.order
ctx['payment'] = self.payment_provider.checkout_confirm_render(self.request)
ctx['payment_provider'] = self.payment_provider
return ctx
@cached_property
def form(self):
return self.payment_provider.payment_form_render(self.request)
def get_payment_url(self):
return reverse('presale:event.order.pay', kwargs={
'event': self.request.event.slug,
'organizer': self.request.event.organizer.slug,
'order': self.order.code,
})
class OrderModify(EventViewMixin, OrderDetailMixin, QuestionsViewMixin, TemplateView):
template_name = "pretixpresale/event/order_modify.html"
@cached_property
def positions(self):
return list(self.order.positions.order_by(
'item', 'variation'
).select_related(
'item', 'variation'
).prefetch_related(
'variation__values', 'variation__values__prop',
'item__questions', 'answers'
))
def post(self, request, *args, **kwargs):
failed = not self.save()
if failed:
messages.error(self.request,
_("We had difficulties processing your input. Please review the errors below."))
return self.get(request, *args, **kwargs)
return redirect(self.get_order_url())
def get(self, request, *args, **kwargs):
return super().get(request, *args, **kwargs)
def dispatch(self, request, *args, **kwargs):
self.request = request
self.kwargs = kwargs
if not self.order:
messages.error(request, _('Unknown order code or order does belong to another user.'))
return redirect(self.get_order_url())
if not self.order.can_modify_answers:
messages.error(request, _('You cannot modify this order'))
return redirect(self.get_order_url())
return super().dispatch(request, *args, **kwargs)
def get_context_data(self, **kwargs):
ctx = super().get_context_data(**kwargs)
ctx['order'] = self.order
ctx['forms'] = self.forms
return ctx
class OrderCancel(EventViewMixin, OrderDetailMixin, TemplateView):
template_name = "pretixpresale/event/order_cancel.html"
def dispatch(self, request, *args, **kwargs):
self.request = request
self.kwargs = kwargs
if not self.order:
raise Http404(_('Unknown order code or order does belong to another user.'))
if self.order.status not in (Order.STATUS_PENDING, Order.STATUS_EXPIRED):
messages.error(request, _('You cannot cancel this order'))
return redirect(self.get_order_url())
return super().dispatch(request, *args, **kwargs)
def post(self, request, *args, **kwargs):
order = self.order.clone()
order.status = Order.STATUS_CANCELLED
order.save()
return redirect(self.get_order_url())
def get(self, request, *args, **kwargs):
return super().get(request, *args, **kwargs)
def get_context_data(self, **kwargs):
ctx = super().get_context_data(**kwargs)
ctx['order'] = self.order
return ctx
class OrderDownload(EventViewMixin, OrderDetailMixin, View):
@cached_property
def output(self):
responses = register_ticket_outputs.send(self.request.event)
for receiver, response in responses:
provider = response(self.request.event)
if provider.identifier == self.kwargs.get('output'):
return provider
def get(self, request, *args, **kwargs):
if not self.output or not self.output.is_enabled:
messages.error(request, _('You requested an invalid ticket output type.'))
return redirect(self.get_order_url())
if not self.order:
raise Http404(_('Unknown order code or order does belong to another user.'))
if self.order.status != Order.STATUS_PAID:
messages.error(request, _('Order is not paid.'))
return redirect(self.get_order_url())
if (not self.request.event.settings.ticket_download
or (self.request.event.settings.ticket_download_date is not None
and now() < self.request.event.settings.ticket_download_date)):
messages.error(request, _('Ticket download is not (yet) enabled.'))
return redirect(self.get_order_url())
try:
ct = CachedTicket.objects.get(order=self.order, provider=self.output.identifier)
except CachedTicket.DoesNotExist:
ct = CachedTicket(order=self.order, provider=self.output.identifier)
try:
ct.cachedfile
except CachedFile.DoesNotExist:
cf = CachedFile()
cf.date = now()
cf.expires = self.request.event.date_from + timedelta(days=30)
cf.save()
ct.cachedfile = cf
ct.save()
generate(self.order.identity, self.output.identifier)
return redirect(reverse('presale:cachedfile.download', kwargs={'id': ct.cachedfile.id}))