mirror of
https://github.com/pretix/pretix.git
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55 lines
2.2 KiB
Python
55 lines
2.2 KiB
Python
from django.contrib import messages
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from django.http import Http404
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from django.shortcuts import redirect
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from django.utils.translation import ugettext_lazy as _
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from django.views.generic import View
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from pretix.base.models import CartPosition
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from pretix.base.services.cart import CartError
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from pretix.base.signals import validate_cart
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from pretix.multidomain.urlreverse import eventreverse
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from pretix.presale.checkoutflow import get_checkout_flow
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class CheckoutView(View):
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def dispatch(self, request, *args, **kwargs):
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self.request = request
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cart_pos = CartPosition.objects.filter(
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cart_id=self.request.session.session_key, event=self.request.event
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)
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if not cart_pos.exists() and "async_id" not in request.GET:
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messages.error(request, _("Your cart is empty"))
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return redirect(eventreverse(self.request.event, 'presale:event.index'))
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cart_error = None
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try:
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validate_cart.send(sender=self.request.event, positions=cart_pos)
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except CartError as e:
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cart_error = e
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flow = get_checkout_flow(self.request.event)
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previous_step = None
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for step in flow:
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if not step.is_applicable(request):
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continue
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if step.requires_valid_cart and cart_error:
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messages.error(request, str(cart_error))
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return redirect(previous_step.get_step_url() if previous_step
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else eventreverse(self.request.event, 'presale:event.index'))
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if 'step' not in kwargs:
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return redirect(step.get_step_url())
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is_selected = (step.identifier == kwargs.get('step', ''))
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if "async_id" not in request.GET and not is_selected and not step.is_completed(request, warn=not is_selected):
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return redirect(step.get_step_url())
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if is_selected:
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if request.method.lower() in self.http_method_names:
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handler = getattr(step, request.method.lower(), self.http_method_not_allowed)
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else:
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handler = self.http_method_not_allowed
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return handler(request)
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else:
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previous_step = step
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raise Http404()
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