mirror of
https://github.com/pretix/pretix.git
synced 2026-05-03 14:54:04 +00:00
Refactored some code out of pretix.presale
This commit is contained in:
Raphael Michel
@@ -1,8 +1,10 @@
|
||||
from django.conf import settings
|
||||
from django.core.urlresolvers import reverse
|
||||
from datetime import timedelta, datetime
|
||||
from django.db import transaction
|
||||
from django.utils.timezone import now
|
||||
from pretix.base.models import Order, Quota
|
||||
from pretix.base.models import Order, Quota, OrderPosition
|
||||
from django.utils.translation import ugettext_lazy as _
|
||||
from pretix.base.services.mail import mail
|
||||
from pretix.helpers.urls import build_absolute_uri
|
||||
|
||||
|
||||
def mark_order_paid(order, provider=None, info=None, date=None, manual=None, force=False):
|
||||
@@ -47,13 +49,122 @@ def mark_order_paid(order, provider=None, info=None, date=None, manual=None, for
|
||||
'user': order.user,
|
||||
'order': order,
|
||||
'event': order.event,
|
||||
'url': settings.SITE_URL + reverse('presale:event.order', kwargs={
|
||||
'url': build_absolute_uri('presale:event.order', kwargs={
|
||||
'event': order.event.slug,
|
||||
'organizer': order.event.organizer.slug,
|
||||
'order': order.code
|
||||
'order': order.code,
|
||||
}),
|
||||
'downloads': order.event.settings.get('ticket_download', as_type=bool)
|
||||
},
|
||||
order.event
|
||||
)
|
||||
return order
|
||||
|
||||
|
||||
class OrderError(Exception):
|
||||
pass
|
||||
|
||||
|
||||
def perform_order(event, user, payment_provider, positions):
|
||||
error_messages = {
|
||||
'unavailable': _('Some of the products you selected were no longer available. '
|
||||
'Please see below for details.'),
|
||||
'in_part': _('Some of the products you selected were no longer available in '
|
||||
'the quantity you selected. Please see below for details.'),
|
||||
'price_changed': _('The price of some of the items in your cart has changed in the '
|
||||
'meantime. Please see below for details.'),
|
||||
'busy': _('We were not able to process your request completely as the '
|
||||
'server was too busy. Please try again.'),
|
||||
'max_items': _("You cannot select more than %s items per order"),
|
||||
}
|
||||
dt = now()
|
||||
quotas_locked = set()
|
||||
err = None
|
||||
|
||||
try:
|
||||
for i, cp in enumerate(positions):
|
||||
quotas = list(cp.item.quotas.all()) if cp.variation is None else list(cp.variation.quotas.all())
|
||||
if cp.expires < dt:
|
||||
price = cp.item.check_restrictions() if cp.variation is None else cp.variation.check_restrictions()
|
||||
if price is False or len(quotas) == 0:
|
||||
err = err or error_messages['unavailable']
|
||||
continue
|
||||
if price != cp.price:
|
||||
cp = cp.clone()
|
||||
positions[i] = cp
|
||||
cp.price = price
|
||||
cp.save()
|
||||
err = err or error_messages['price_changed']
|
||||
continue
|
||||
quota_ok = True
|
||||
for quota in quotas:
|
||||
# Lock the quota, so no other thread is allowed to perform sales covered by this
|
||||
# quota while we're doing so.
|
||||
if quota not in quotas_locked:
|
||||
quota.lock()
|
||||
quotas_locked.add(quota)
|
||||
avail = quota.availability()
|
||||
if avail[0] != Quota.AVAILABILITY_OK:
|
||||
# This quota is sold out/currently unavailable, so do not sell this at all
|
||||
err = err or error_messages['unavailable']
|
||||
quota_ok = False
|
||||
break
|
||||
if quota_ok:
|
||||
if not event.presale_end or now() < event.presale_end:
|
||||
cp = cp.clone()
|
||||
positions[i] = cp
|
||||
cp.expires = now() + timedelta(
|
||||
minutes=event.settings.get('reservation_time', as_type=int))
|
||||
cp.save()
|
||||
else:
|
||||
cp.delete() # Sorry!
|
||||
if err:
|
||||
raise OrderError(err)
|
||||
else: # Everything went well
|
||||
order = place_order(event, user, positions, dt, payment_provider)
|
||||
mail(
|
||||
user, _('Your order: %(code)s') % {'code': order.code},
|
||||
'pretixpresale/email/order_placed.txt',
|
||||
{
|
||||
'user': user, 'order': order,
|
||||
'event': event,
|
||||
'url': build_absolute_uri('presale:event.order', kwargs={
|
||||
'event': event.slug,
|
||||
'organizer': event.organizer.slug,
|
||||
'order': order.code,
|
||||
}),
|
||||
'payment': payment_provider.order_pending_mail_render(order)
|
||||
},
|
||||
event
|
||||
)
|
||||
return order
|
||||
except Quota.LockTimeoutException:
|
||||
# Is raised when there are too many threads asking for quota locks and we were
|
||||
# unaible to get one
|
||||
raise OrderError(error_messages['busy'])
|
||||
finally:
|
||||
# Release the locks. This is important ;)
|
||||
for quota in quotas_locked:
|
||||
quota.release()
|
||||
|
||||
|
||||
@transaction.atomic()
|
||||
def place_order(event, user, positions, dt, payment_provider):
|
||||
total = sum([c.price for c in positions])
|
||||
payment_fee = payment_provider.calculate_fee(total)
|
||||
total += payment_fee
|
||||
expires = [dt + timedelta(days=event.settings.get('payment_term_days', as_type=int))]
|
||||
if event.settings.get('payment_term_last'):
|
||||
expires.append(event.settings.get('payment_term_last', as_type=datetime))
|
||||
order = Order.objects.create(
|
||||
status=Order.STATUS_PENDING,
|
||||
event=event,
|
||||
user=user,
|
||||
datetime=dt,
|
||||
expires=min(expires),
|
||||
total=total,
|
||||
payment_fee=payment_fee,
|
||||
payment_provider=payment_provider.identifier,
|
||||
)
|
||||
OrderPosition.transform_cart_positions(positions, order)
|
||||
return order
|
||||
|
||||
@@ -1,19 +1,14 @@
|
||||
from datetime import timedelta, datetime
|
||||
|
||||
from django.contrib import messages
|
||||
from django.core.urlresolvers import reverse
|
||||
from django.db import transaction
|
||||
from django.db.models import Q, Sum
|
||||
from django.http import HttpRequest
|
||||
from django.shortcuts import redirect
|
||||
from django.utils.functional import cached_property
|
||||
from django.utils.timezone import now
|
||||
from django.views.generic import TemplateView
|
||||
from django.utils.translation import ugettext_lazy as _
|
||||
from pretix.base.services.mail import mail
|
||||
from pretix.base.models import CartPosition, QuestionAnswer, Quota, Order, OrderPosition
|
||||
from pretix.base.models import CartPosition, QuestionAnswer, OrderPosition
|
||||
from pretix.base.services.orders import perform_order, OrderError
|
||||
from pretix.base.signals import register_payment_providers
|
||||
from pretix.helpers.urls import build_absolute_uri
|
||||
from pretix.presale.forms.checkout import QuestionsForm
|
||||
from pretix.presale.views import EventViewMixin, CartDisplayMixin, EventLoginRequiredMixin
|
||||
|
||||
@@ -199,18 +194,6 @@ class PaymentDetails(EventViewMixin, CartDisplayMixin, EventLoginRequiredMixin,
|
||||
class OrderConfirm(EventViewMixin, CartDisplayMixin, EventLoginRequiredMixin, CheckoutView):
|
||||
template_name = "pretixpresale/event/checkout_confirm.html"
|
||||
|
||||
error_messages = {
|
||||
'unavailable': _('Some of the products you selected were no longer available. '
|
||||
'Please see below for details.'),
|
||||
'in_part': _('Some of the products you selected were no longer available in '
|
||||
'the quantity you selected. Please see below for details.'),
|
||||
'price_changed': _('The price of some of the items in your cart has changed in the '
|
||||
'meantime. Please see below for details.'),
|
||||
'busy': _('We were not able to process your request completely as the '
|
||||
'server was too busy. Please try again.'),
|
||||
'max_items': _("You cannot select more than %s items per order"),
|
||||
}
|
||||
|
||||
def __init__(self, *args, **kwargs):
|
||||
self.msg_some_unavailable = False
|
||||
super().__init__(*args, **kwargs)
|
||||
@@ -269,99 +252,15 @@ class OrderConfirm(EventViewMixin, CartDisplayMixin, EventLoginRequiredMixin, Ch
|
||||
return self.check_process(request) or self.perform_order(request)
|
||||
|
||||
def perform_order(self, request: HttpRequest):
|
||||
dt = now()
|
||||
quotas_locked = set()
|
||||
|
||||
try:
|
||||
cartpos = self.positions
|
||||
for i, cp in enumerate(cartpos):
|
||||
quotas = list(cp.item.quotas.all()) if cp.variation is None else list(cp.variation.quotas.all())
|
||||
if cp.expires < dt:
|
||||
price = cp.item.check_restrictions() if cp.variation is None else cp.variation.check_restrictions()
|
||||
if price is False or len(quotas) == 0:
|
||||
self.error_message(self.error_messages['unavailable'])
|
||||
continue
|
||||
if price != cp.price:
|
||||
cp = cp.clone()
|
||||
cartpos[i] = cp
|
||||
cp.price = price
|
||||
cp.save()
|
||||
self.error_message(self.error_messages['price_changed'])
|
||||
continue
|
||||
quota_ok = True
|
||||
for quota in quotas:
|
||||
# Lock the quota, so no other thread is allowed to perform sales covered by this
|
||||
# quota while we're doing so.
|
||||
if quota not in quotas_locked:
|
||||
quota.lock()
|
||||
quotas_locked.add(quota)
|
||||
avail = quota.availability()
|
||||
if avail[0] != Quota.AVAILABILITY_OK:
|
||||
# This quota is sold out/currently unavailable, so do not sell this at all
|
||||
self.error_message(self.error_messages['unavailable'])
|
||||
quota_ok = False
|
||||
break
|
||||
if quota_ok:
|
||||
if not self.request.event.presale_end or now() < self.request.event.presale_end:
|
||||
cp = cp.clone()
|
||||
cartpos[i] = cp
|
||||
cp.expires = now() + timedelta(
|
||||
minutes=self.request.event.settings.get('reservation_time', as_type=int))
|
||||
cp.save()
|
||||
else:
|
||||
cp.delete() # Sorry!
|
||||
if not self.msg_some_unavailable: # Everything went well
|
||||
order = self._place_order(cartpos, dt)
|
||||
messages.success(request, _('Your order has been placed.'))
|
||||
mail(
|
||||
request.user, _('Your order: %(code)s') % {'code': order.code},
|
||||
'pretixpresale/email/order_placed.txt',
|
||||
{
|
||||
'user': request.user, 'order': order,
|
||||
'event': request.event,
|
||||
'url': build_absolute_uri('presale:event.order', kwargs={
|
||||
'event': self.request.event.slug,
|
||||
'organizer': self.request.event.organizer.slug,
|
||||
'order': order.code,
|
||||
}),
|
||||
'payment': self.payment_provider.order_pending_mail_render(order)
|
||||
},
|
||||
request.event
|
||||
)
|
||||
resp = self.payment_provider.checkout_perform(request, order)
|
||||
return redirect(resp or self.get_order_url(order))
|
||||
|
||||
except Quota.LockTimeoutException:
|
||||
# Is raised when there are too many threads asking for quota locks and we were
|
||||
# unaible to get one
|
||||
self.error_message(self.error_messages['busy'], important=True)
|
||||
finally:
|
||||
# Release the locks. This is important ;)
|
||||
for quota in quotas_locked:
|
||||
quota.release()
|
||||
|
||||
return redirect(self.get_confirm_url())
|
||||
|
||||
@transaction.atomic()
|
||||
def _place_order(self, cartpos, dt):
|
||||
total = sum([c.price for c in cartpos])
|
||||
payment_fee = self.payment_provider.calculate_fee(total)
|
||||
total += payment_fee
|
||||
expires = [dt + timedelta(days=self.request.event.settings.get('payment_term_days', as_type=int))]
|
||||
if self.request.event.settings.get('payment_term_last'):
|
||||
expires.append(self.request.event.settings.get('payment_term_last', as_type=datetime))
|
||||
order = Order.objects.create(
|
||||
status=Order.STATUS_PENDING,
|
||||
event=self.request.event,
|
||||
user=self.request.user,
|
||||
datetime=dt,
|
||||
expires=min(expires),
|
||||
total=total,
|
||||
payment_fee=payment_fee,
|
||||
payment_provider=self.payment_provider.identifier,
|
||||
)
|
||||
OrderPosition.transform_cart_positions(cartpos, order)
|
||||
return order
|
||||
order = perform_order(self.request.event, self.request.user, self.payment_provider, self.positions)
|
||||
except OrderError as e:
|
||||
messages.error(request, str(e))
|
||||
return redirect(self.get_confirm_url())
|
||||
else:
|
||||
messages.success(request, _('Your order has been placed.'))
|
||||
resp = self.payment_provider.checkout_perform(request, order)
|
||||
return redirect(resp or self.get_order_url(order))
|
||||
|
||||
def get_previous_url(self):
|
||||
if self.payment_provider.identifier != "free":
|
||||
|
||||
Reference in New Issue
Block a user