OpenSlides/openslides/poll/views.py

86 lines
2.7 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
openslides.poll.views
~~~~~~~~~~~~~~~~~~~~~
Views for the poll app.
:copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
:license: GNU GPL, see LICENSE for more details.
"""
from django.http import HttpResponseRedirect
from django.forms.models import modelform_factory
from django.core.exceptions import ImproperlyConfigured
from openslides.utils.views import TemplateView, UrlMixin
class PollFormView(UrlMixin, TemplateView):
poll_class = None
def get(self, request, *args, **kwargs):
self.poll = self.object = self.get_object()
return super(PollFormView, self).get(request, *args, **kwargs)
def post(self, request, *args, **kwargs):
self.poll = self.object = self.get_object()
option_forms = self.poll.get_vote_forms(data=self.request.POST)
FormClass = self.get_modelform_class()
pollform = FormClass(data=self.request.POST, instance=self.poll,
prefix='pollform')
error = False
for form in option_forms:
if not form.is_valid():
error = True
if not pollform.is_valid():
error = True
if error:
return self.render_to_response(self.get_context_data(
forms=option_forms,
pollform=pollform,
))
for form in option_forms:
data = {}
for value in self.poll.get_vote_values():
data[value] = form.cleaned_data[value]
self.poll.set_form_values(form.option, data)
pollform.save()
return HttpResponseRedirect(self.get_success_url())
def get_poll_class(self):
if self.poll_class is not None:
return self.poll_class
else:
raise ImproperlyConfigured(
"No poll class defined. Either provide a poll_class or define"
" a get_poll_class method.")
def get_object(self):
return self.get_poll_class().objects.get(pk=self.kwargs['poll_id'])
def get_context_data(self, **kwargs):
context = super(PollFormView, self).get_context_data(**kwargs)
context['poll'] = self.poll
if 'forms' in kwargs:
context['forms'] = kwargs['forms']
context['pollform'] = kwargs['pollform']
else:
context['forms'] = self.poll.get_vote_forms()
FormClass = self.get_modelform_class()
context['pollform'] = FormClass(instance=self.poll,
prefix='pollform')
return context
def get_modelform_class(self):
fields = []
self.poll.append_pollform_fields(fields)
return modelform_factory(self.poll.__class__, fields=fields)