OpenSlides/openslides/poll/views.py

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# -*- coding: utf-8 -*-
from django.forms.models import modelform_factory
from django.http import HttpResponseRedirect
from django.shortcuts import get_object_or_404
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from openslides.utils.views import TemplateView, FormMixin
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class PollFormView(FormMixin, TemplateView):
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poll_class = None
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def get(self, request, *args, **kwargs):
self.poll = self.get_object()
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return super(PollFormView, self).get(request, *args, **kwargs)
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def post(self, request, *args, **kwargs):
self.poll = self.get_object()
option_forms = self.poll.get_vote_forms(data=self.request.POST)
FormClass = self.get_modelform_class()
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pollform = FormClass(data=self.request.POST, instance=self.poll,
prefix='pollform')
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error = False
for form in option_forms:
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if not form.is_valid():
error = True
if not pollform.is_valid():
error = True
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if error:
response = self.render_to_response(self.get_context_data(
forms=option_forms,
pollform=pollform))
else:
for form in option_forms:
data = {}
for value in self.poll.get_vote_values():
data[value] = form.cleaned_data[value]
self.poll.set_vote_objects_with_values(form.option, data)
pollform.save()
response = HttpResponseRedirect(self.get_success_url())
return response
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def get_poll_class(self):
if self.poll_class is not None:
return self.poll_class
else:
raise NotImplementedError(
'No poll class defined. Either provide a poll_class or define '
'a get_poll_class method.')
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def get_object(self):
"""
Returns the poll object. Raises Http404 if the poll does not exist.
"""
try:
obj = self._object
except AttributeError:
queryset = self.get_poll_class().objects.filter(pk=self.kwargs['poll_id'])
obj = get_object_or_404(queryset)
self._object = obj
return obj
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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(type(self.poll), fields=fields)