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Reduce number of redundant SQL queries

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This commit is contained in:
Raphael Michel
2017-10-18 09:53:57 +02:00
parent 64b67e5396
commit c6a7b52e34
3 changed files with 30 additions and 25 deletions
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10
src/pretix/presale/views/checkout.py
View File

@@ -4,23 +4,19 @@ from django.shortcuts import redirect
from django.utils.translation import ugettext_lazy as _
from django.views.generic import View
from pretix.base.models import CartPosition
from pretix.base.services.cart import CartError
from pretix.base.signals import validate_cart
from pretix.multidomain.urlreverse import eventreverse
from pretix.presale.checkoutflow import get_checkout_flow
from pretix.presale.views.cart import get_or_create_cart_id
from pretix.presale.views import get_cart
class CheckoutView(View):
def dispatch(self, request, *args, **kwargs):
self.request = request
cart_pos = CartPosition.objects.filter(
cart_id=get_or_create_cart_id(request), event=self.request.event
)
if not cart_pos.exists() and "async_id" not in request.GET:
if not get_cart(request) and "async_id" not in request.GET:
messages.error(request, _("Your cart is empty"))
return redirect(eventreverse(self.request.event, 'presale:event.index'))
@@ -30,7 +26,7 @@ class CheckoutView(View):
cart_error = None
try:
validate_cart.send(sender=self.request.event, positions=cart_pos)
validate_cart.send(sender=self.request.event, positions=get_cart(request))
except CartError as e:
cart_error = e