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98 lines
4.3 KiB
Python
98 lines
4.3 KiB
Python
#
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# This file is part of pretix (Community Edition).
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#
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# Copyright (C) 2014-2020 Raphael Michel and contributors
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# Copyright (C) 2020-2021 rami.io GmbH and contributors
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#
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# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
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# Public License as published by the Free Software Foundation in version 3 of the License.
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#
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# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
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# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
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# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
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# this file, see <https://pretix.eu/about/en/license>.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along with this program. If not, see
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# <https://www.gnu.org/licenses/>.
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#
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from urllib.parse import quote
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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.decorators import method_decorator
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from django.utils.translation import gettext_lazy as _
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from django.views.generic import View
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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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from pretix.presale.views import (
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allow_frame_if_namespaced, cart_exists, get_cart,
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iframe_entry_view_wrapper,
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)
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@method_decorator(allow_frame_if_namespaced, 'dispatch')
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@method_decorator(iframe_entry_view_wrapper, 'dispatch')
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class CheckoutView(View):
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def get_index_url(self, request):
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kwargs = {}
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if 'cart_namespace' in self.kwargs:
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kwargs['cart_namespace'] = self.kwargs['cart_namespace']
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return eventreverse(self.request.event, 'presale:event.index', kwargs=kwargs) + '?require_cookie=true'
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def dispatch(self, request, *args, **kwargs):
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self.request = request
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if not cart_exists(request) and "async_id" not in request.GET:
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messages.error(request, _("Your cart is empty"))
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return self.redirect(self.get_index_url(self.request))
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if not request.event.presale_is_running:
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messages.error(request, _("The presale for this event is over or has not yet started."))
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return self.redirect(self.get_index_url(self.request))
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cart_error = None
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try:
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validate_cart.send(sender=self.request.event, positions=get_cart(request))
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except CartError as e:
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cart_error = e
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flow = request._checkout_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 self.redirect(previous_step.get_step_url(request) if previous_step else self.get_index_url(request))
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if 'step' not in kwargs:
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return self.redirect(step.get_step_url(request))
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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 self.redirect(step.get_step_url(request))
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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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step.c_is_before = True
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step.c_resolved_url = step.get_step_url(request)
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raise Http404()
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def redirect(self, url):
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if 'cart_id' in self.request.GET:
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url += ('&' if '?' in url else '?') + 'cart_id=' + quote(self.request.GET.get('cart_id'))
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return redirect(url)
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