def accept_counteroffer(request, id):
counteroffer = get_object_or_404(Counteroffer, id=id)
buyer = get_object_or_404(User, id=counteroffer.creator.id)
offer = get_object_or_404(Offer, id=counteroffer.offer.id)
book = get_object_or_404(Book, id=offer.book.id)
counteroffer.accept()
# Erstelle Paypalpayment, sodass für das Buch keine Vorschläge mehr abgegeben werden können
payment = book.active_payment()
if payment is None:
payment = Payment()
success = start_payment(payment, offer, buyer, 'counteroffer')
if success:
payment.amount = counteroffer.price
payment.save()
# hide book
offer.active = False
offer.save()
Notification.counteroffer_accept(counteroffer, buyer, book, payment)
messages.add_message(request, messages.SUCCESS, 'Der Preisvorschlag wurde erfolgreich angenommen. Der Interessent wird benachrichtigt')
return HttpResponseRedirect(reverse('app_notification:notificationsPage'))
