OpenSlides/openslides/motion/views.py
2013-02-02 00:37:43 +01:00

327 lines
11 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
openslides.motion.views
~~~~~~~~~~~~~~~~~~~~~~~
Views for the motion app.
:copyright: 2011, 2012 by the OpenSlides team, see AUTHORS.
:license: GNU GPL, see LICENSE for more details.
"""
from reportlab.platypus import Paragraph
from django.core.urlresolvers import reverse
from django.contrib import messages
from django.db import transaction
from django.db.models import Model
from django.utils.translation import ugettext as _, ugettext_lazy
from django.views.generic.detail import SingleObjectMixin
from django.http import Http404
from openslides.utils.pdf import stylesheet
from openslides.utils.views import (
TemplateView, RedirectView, UpdateView, CreateView, DeleteView, PDFView,
DetailView, ListView, FormView, QuestionMixin, SingleObjectMixin)
from openslides.utils.template import Tab
from openslides.utils.utils import html_strong
from openslides.poll.views import PollFormView
from openslides.projector.api import get_active_slide
from openslides.projector.projector import Widget, SLIDE
from openslides.config.models import config
from .models import Motion, MotionSubmitter, MotionSupporter, MotionPoll
from .forms import (BaseMotionForm, MotionSubmitterMixin, MotionSupporterMixin,
MotionCreateNewVersionMixin, ConfigForm)
from .workflow import WorkflowError
class MotionListView(ListView):
"""
List all motion.
"""
permission_required = 'motion.can_see_motion'
model = Motion
motion_list = MotionListView.as_view()
class MotionDetailView(DetailView):
"""
Show the details of one motion.
"""
permission_required = 'motion.can_see_motion'
model = Motion
template_name = 'motion/motion_detail.html'
def get_object(self):
object = super(MotionDetailView, self).get_object()
version_id = self.kwargs.get('version_id', None)
if version_id is not None:
try:
object.version = int(version_id) -1
except IndexError:
raise Http404
return object
motion_detail = MotionDetailView.as_view()
class MotionMixin(object):
"""
Mixin to add save the version-data to the motion-object
"""
def manipulate_object(self, form):
super(MotionMixin, self).manipulate_object(form)
for attr in ['title', 'text', 'reason']:
setattr(self.object, attr, form.cleaned_data[attr])
try:
if form.cleaned_data['new_version']:
self.object.new_version
except KeyError:
pass
def post_save(self, form):
super(MotionMixin, self).post_save(form)
# TODO: only delete and save neccessary submitters and supporter
if 'submitter' in form.cleaned_data:
self.object.submitter.all().delete()
MotionSubmitter.objects.bulk_create(
[MotionSubmitter(motion=self.object, person=person)
for person in form.cleaned_data['submitter']])
if 'supporter' in form.cleaned_data:
self.object.supporter.all().delete()
MotionSupporter.objects.bulk_create(
[MotionSupporter(motion=self.object, person=person)
for person in form.cleaned_data['supporter']])
def get_form_class(self):
form_classes = [BaseMotionForm]
if self.request.user.has_perm('motion.can_manage_motion'):
form_classes.append(MotionSubmitterMixin)
if config['motion_min_supporters'] > 0:
form_classes.append(MotionSupporterMixin)
if config['motion_create_new_version'] == 'ASK_USER':
form_classes.append(MotionCreateNewVersionMixin)
return type('MotionForm', tuple(form_classes), {})
class MotionCreateView(MotionMixin, CreateView):
"""
Create a motion.
"""
permission_required = 'motion.can_create_motion'
model = Motion
motion_create = MotionCreateView.as_view()
class MotionUpdateView(MotionMixin, UpdateView):
"""
Update a motion.
"""
# TODO: set permissions
model = Motion
motion_edit = MotionUpdateView.as_view()
class MotionDeleteView(DeleteView):
"""
Delete one Motion.
"""
model = Motion
success_url_name = 'motion_list'
# TODO: Check permissions
motion_delete = MotionDeleteView.as_view()
class SupportView(SingleObjectMixin, QuestionMixin, RedirectView):
"""
Classed based view to support or unsupport a motion. Use
support=True or support=False in urls.py
"""
permission_required = 'motion.can_support_motion'
model = Motion
support = True
def get(self, request, *args, **kwargs):
self.object = self.get_object()
return super(SupportView, self).get(request, *args, **kwargs)
def check_allowed_actions(self, request):
"""
Checks whether request.user can support or unsupport the motion.
Returns True or False.
"""
return True #TODO
allowed_actions = self.object.get_allowed_actions(request.user)
if self.support and not 'support' in allowed_actions:
messages.error(request, _('You can not support this motion.'))
return False
elif not self.support and not 'unsupport' in allowed_actions:
messages.error(request, _('You can not unsupport this motion.'))
return False
else:
return True
def pre_redirect(self, request, *args, **kwargs):
if self.check_allowed_actions(request):
super(SupportView, self).pre_redirect(request, *args, **kwargs)
def get_question(self):
if self.support:
return _('Do you really want to support this motion?')
else:
return _('Do you really want to unsupport this motion?')
def case_yes(self):
if self.check_allowed_actions(self.request):
if self.support:
self.object.support(person=self.request.user)
else:
self.object.unsupport(person=self.request.user)
def get_success_message(self):
if self.support:
return _("You have supported this motion successfully.")
else:
return _("You have unsupported this motion successfully.")
def get_redirect_url(self, **kwargs):
return self.object.get_absolute_url()
motion_support = SupportView.as_view(support=True)
motion_unsupport = SupportView.as_view(support=False)
class PollCreateView(SingleObjectMixin, RedirectView):
permission_required = 'motion.can_manage_motion'
model = Motion
def get(self, request, *args, **kwargs):
self.object = self.get_object()
return super(PollCreateView, self).get(request, *args, **kwargs)
def pre_redirect(self, request, *args, **kwargs):
self.poll = self.object.create_poll()
messages.success(request, _("New vote was successfully created."))
def get_redirect_url(self, **kwargs):
return reverse('motion_poll_edit', args=[self.object.pk, self.poll.poll_number])
poll_create = PollCreateView.as_view()
class PollMixin(object):
permission_required = 'motion.can_manage_motion'
success_url_name = 'motion_detail'
def get_object(self):
return MotionPoll.objects.filter(
motion=self.kwargs['pk'],
poll_number=self.kwargs['poll_number']).get()
def get_url_name_args(self):
return [self.object.motion.pk]
class PollUpdateView(PollMixin, PollFormView):
poll_class = MotionPoll
template_name = 'motion/poll_form.html'
def get_context_data(self, **kwargs):
context = super(PollUpdateView, self).get_context_data(**kwargs)
context.update({
'motion': self.poll.motion})
return context
poll_edit = PollUpdateView.as_view()
class PollDeleteView(PollMixin, DeleteView):
model = MotionPoll
poll_delete = PollDeleteView.as_view()
class MotionSetStateView(SingleObjectMixin, RedirectView):
permission_required = 'motion.can_manage_motion'
url_name = 'motion_detail'
model = Motion
reset = False
def pre_redirect(self, request, *args, **kwargs):
self.object = self.get_object()
try:
if self.reset:
self.object.reset_state()
else:
self.object.state = kwargs['state']
except WorkflowError:
messages.error(request, _('Can not set the state to: %s.')
% html_strong(kwargs['state']))
else:
self.object.save()
messages.success(request, _('Motion status was set to: %s.'
% html_strong(self.object.state)))
def get_url_name_args(self):
return [self.object.pk]
set_state = MotionSetStateView.as_view()
reset_state = MotionSetStateView.as_view(reset=True)
class Config(FormView):
permission_required = 'config.can_manage_config'
form_class = ConfigForm
template_name = 'motion/config.html'
success_url_name = 'config_motion'
def get_initial(self):
return {
'motion_min_supporters': config['motion_min_supporters'],
'motion_preamble': config['motion_preamble'],
'motion_pdf_ballot_papers_selection': config['motion_pdf_ballot_papers_selection'],
'motion_pdf_ballot_papers_number': config['motion_pdf_ballot_papers_number'],
'motion_pdf_title': config['motion_pdf_title'],
'motion_pdf_preamble': config['motion_pdf_preamble'],
'motion_create_new_version': config['motion_create_new_version'],
'motion_workflow': config['motion_workflow'],
}
def form_valid(self, form):
config['motion_min_supporters'] = form.cleaned_data['motion_min_supporters']
config['motion_preamble'] = form.cleaned_data['motion_preamble']
config['motion_pdf_ballot_papers_selection'] = form.cleaned_data['motion_pdf_ballot_papers_selection']
config['motion_pdf_ballot_papers_number'] = form.cleaned_data['motion_pdf_ballot_papers_number']
config['motion_pdf_title'] = form.cleaned_data['motion_pdf_title']
config['motion_pdf_preamble'] = form.cleaned_data['motion_pdf_preamble']
config['motion_create_new_version'] = form.cleaned_data['motion_create_new_version']
config['motion_workflow'] = form.cleaned_data['motion_workflow']
messages.success(self.request, _('Motion settings successfully saved.'))
return super(Config, self).form_valid(form)
def register_tab(request):
"""
Register the projector tab.
"""
selected = request.path.startswith('/motion/')
return Tab(
title=_('Motions'),
url=reverse('motion_list'),
permission=request.user.has_perm('motion.can_see_motion'),
selected=selected,
)
def get_widgets(request):
return [Widget(
name='motions',
display_name=_('Motions'),
template='motion/widget.html',
context={'motions': Motion.objects.all()},
permission_required='projector.can_manage_projector')]