732 lines
25 KiB
Python
732 lines
25 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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openslides.motion.views
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~~~~~~~~~~~~~~~~~~~~~~~
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Views for the motion app.
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The views are automaticly imported from openslides.motion.urls.
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:copyright: (c) 2011-2013 by the OpenSlides team, see AUTHORS.
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:license: GNU GPL, see LICENSE for more details.
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"""
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from django.core.urlresolvers import reverse
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from django.contrib import messages
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from django.db import transaction
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from django.db.models import Model
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from django.utils.translation import ugettext as _, ugettext_lazy, ugettext_noop
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from django.views.generic.detail import SingleObjectMixin
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from django.http import Http404
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from reportlab.platypus import SimpleDocTemplate
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from openslides.utils.pdf import stylesheet
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from openslides.utils.views import (
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TemplateView, RedirectView, UpdateView, CreateView, DeleteView, PDFView,
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DetailView, ListView, FormView, QuestionMixin, SingleObjectMixin)
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from openslides.utils.template import Tab
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from openslides.utils.utils import html_strong, htmldiff
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from openslides.poll.views import PollFormView
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from openslides.projector.api import get_active_slide
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from openslides.projector.projector import Widget, SLIDE
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from openslides.config.api import config
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from openslides.agenda.models import Item
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from .models import (Motion, MotionSubmitter, MotionSupporter, MotionPoll,
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MotionVersion, State, WorkflowError, Category)
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from .forms import (BaseMotionForm, MotionSubmitterMixin, MotionSupporterMixin,
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MotionDisableVersioningMixin, MotionCategoryMixin,
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MotionIdentifierMixin, MotionImportForm)
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from .pdf import motions_to_pdf, motion_to_pdf, motion_poll_to_pdf
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from .csv_import import import_motions
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class MotionListView(ListView):
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"""View, to list all motions."""
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permission_required = 'motion.can_see_motion'
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model = Motion
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motion_list = MotionListView.as_view()
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class GetVersionMixin(object):
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"""Mixin to set a specific version to a motion."""
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def get_object(self):
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"""Return a Motion object. The id is taken from the url and the version
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is set to the version with the 'version_number' from the URL."""
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object = super(GetVersionMixin, self).get_object()
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version_number = self.kwargs.get('version_number', None)
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if version_number is not None:
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try:
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object.version = int(version_number)
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except MotionVersion.DoesNotExist:
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raise Http404('Version %s not found' % version_number)
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return object
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class MotionDetailView(GetVersionMixin, DetailView):
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"""Show one motion."""
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permission_required = 'motion.can_see_motion'
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model = Motion
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def get_context_data(self, **kwargs):
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"""Return the template context.
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Append the allowed actions for the motion to the context.
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"""
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context = super(MotionDetailView, self).get_context_data(**kwargs)
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context['allowed_actions'] = self.object.get_allowed_actions(self.request.user)
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context['min_supporters'] = int(config['motion_min_supporters'])
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return context
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motion_detail = MotionDetailView.as_view()
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class MotionMixin(object):
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"""
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Mixin for MotionViewsClasses to save the version data.
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"""
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def manipulate_object(self, form):
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"""
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Save the version data into the motion object before it is saved in
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the Database.
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"""
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super(MotionMixin, self).manipulate_object(form)
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for attr in ['title', 'text', 'reason']:
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setattr(self.object, attr, form.cleaned_data[attr])
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if type(self) != MotionCreateView:
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if self.object.state.versioning and form.cleaned_data.get('new_version', True):
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self.object.new_version
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try:
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self.object.category = form.cleaned_data['category']
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except KeyError:
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pass
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try:
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self.object.identifier = form.cleaned_data['identifier']
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except KeyError:
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pass
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def post_save(self, form):
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"""Save the submitter an the supporter so the motion."""
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super(MotionMixin, self).post_save(form)
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# TODO: only delete and save neccessary submitters and supporter
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if 'submitter' in form.cleaned_data:
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self.object.submitter.all().delete()
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MotionSubmitter.objects.bulk_create(
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[MotionSubmitter(motion=self.object, person=person)
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for person in form.cleaned_data['submitter']])
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if 'supporter' in form.cleaned_data:
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self.object.supporter.all().delete()
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MotionSupporter.objects.bulk_create(
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[MotionSupporter(motion=self.object, person=person)
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for person in form.cleaned_data['supporter']])
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def get_form_class(self):
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"""Return the FormClass to Create or Update the Motion.
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forms.BaseMotionForm is the base for the Class, and some FormMixins
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will be mixed in dependence of some config values. See motion.forms
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for more information on the mixins.
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"""
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form_classes = []
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if (self.request.user.has_perm('motion.can_manage_motion') and
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config['motion_identifier'] == 'manually'):
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form_classes.append(MotionIdentifierMixin)
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form_classes.append(BaseMotionForm)
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if self.request.user.has_perm('motion.can_manage_motion'):
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form_classes.append(MotionSubmitterMixin)
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form_classes.append(MotionCategoryMixin)
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if config['motion_min_supporters'] > 0:
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form_classes.append(MotionSupporterMixin)
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if self.object:
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if config['motion_allow_disable_versioning'] and self.object.state.versioning:
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form_classes.append(MotionDisableVersioningMixin)
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return type('MotionForm', tuple(form_classes), {})
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class MotionCreateView(MotionMixin, CreateView):
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"""View to create a motion."""
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model = Motion
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def has_permission(self, request, *args, **kwargs):
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"""
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Checks whether the requesting user can submit a new motion. He needs
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at least the permission 'motion.can_create_motion'. If the submitting
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of new motions by non-staff users is stopped via config variable
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'motion_stop_submitting', the requesting user needs also to have
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'motion.can_manage_motion'.
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"""
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if request.user.has_perm('motion.can_create_motion'):
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return not config['motion_stop_submitting'] or request.user.has_perm('motion.can_manage_motion')
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return False
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def form_valid(self, form):
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"""Write a log message, if the form is valid."""
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value = super(MotionCreateView, self).form_valid(form)
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self.object.write_log(ugettext_noop('Motion created'), self.request.user)
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return value
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def post_save(self, form):
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super(MotionCreateView, self).post_save(form)
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if not 'submitter' in form.cleaned_data:
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self.object.add_submitter(self.request.user)
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motion_create = MotionCreateView.as_view()
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class MotionUpdateView(MotionMixin, UpdateView):
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"""View to update a motion."""
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model = Motion
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def has_permission(self, request, *args, **kwargs):
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"""Check, if the request.user has the permission to edit the motion."""
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return self.get_object().get_allowed_actions(request.user)['edit']
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def form_valid(self, form):
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"""Write a log message, if the form is valid."""
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value = super(MotionUpdateView, self).form_valid(form)
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self.object.write_log(ugettext_noop('Motion updated'), self.request.user)
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return value
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motion_edit = MotionUpdateView.as_view()
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class MotionDeleteView(DeleteView):
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"""View to delete a motion."""
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model = Motion
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success_url_name = 'motion_list'
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def has_permission(self, request, *args, **kwargs):
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"""Check if the request.user has the permission to delete the motion."""
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return self.get_object().get_allowed_actions(request.user)['delete']
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motion_delete = MotionDeleteView.as_view()
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class VersionPermitView(GetVersionMixin, SingleObjectMixin, QuestionMixin, RedirectView):
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"""
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View to permit a version of a motion.
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"""
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model = Motion
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question_url_name = 'motion_version_detail'
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success_url_name = 'motion_version_detail'
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success_message = ugettext_lazy('Version successfully permitted.')
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def get(self, *args, **kwargs):
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"""
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Set self.object to a motion.
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"""
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self.object = self.get_object()
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return super(VersionPermitView, self).get(*args, **kwargs)
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def get_url_name_args(self):
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"""
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Return a list with arguments to create the success- and question_url.
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"""
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return [self.object.pk, self.object.version.version_number]
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def get_question(self):
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"""
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Return a string, shown to the user as question to permit the version.
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"""
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return _('Are you sure you want permit Version %s?') % self.object.version.version_number
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def case_yes(self):
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"""
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Activate the version, if the user chooses 'yes'.
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"""
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self.object.set_active_version(self.object.version) # TODO: Write log message
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self.object.save(no_new_version=True)
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version_permit = VersionPermitView.as_view()
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class VersionRejectView(GetVersionMixin, SingleObjectMixin, QuestionMixin, RedirectView):
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"""View to reject a version."""
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model = Motion
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question_url_name = 'motion_version_detail'
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success_url_name = 'motion_version_detail'
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def get(self, *args, **kwargs):
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"""Set self.object to a motion."""
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self.object = self.get_object()
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return super(VersionRejectView, self).get(*args, **kwargs)
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def get_url_name_args(self):
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"""Return a list with arguments to create the success- and question_url."""
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return [self.object.pk, self.object.version.version_number]
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def get_question(self):
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return _('Are you sure you want reject Version %s?') % self.object.version.version_number
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def case_yes(self):
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"""Reject the version, if the user chooses 'yes'."""
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self.object.reject_version(self.object.version) # TODO: Write log message
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self.object.save()
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version_reject = VersionRejectView.as_view()
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class VersionDiffView(DetailView):
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"""Show diff between two versions of a motion."""
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permission_required = 'motion.can_see_motion'
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model = Motion
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template_name = 'motion/motion_diff.html'
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def get_context_data(self, **kwargs):
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"""Return the template context with versions and html diff strings."""
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try:
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rev1 = int(self.request.GET['rev1'])
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rev2 = int(self.request.GET['rev2'])
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version_rev1 = self.object.versions.get(version_number=self.request.GET['rev1'])
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version_rev2 = self.object.versions.get(version_number=self.request.GET['rev2'])
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diff_text = htmldiff(version_rev1.text, version_rev2.text)
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diff_reason = htmldiff(version_rev1.reason, version_rev2.reason)
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except (KeyError, ValueError, MotionVersion.DoesNotExist):
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messages.error(self.request, _('At least one version number is not valid.'))
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version_rev1 = None
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version_rev2 = None
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diff_text = None
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diff_reason = None
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context = super(VersionDiffView, self).get_context_data(**kwargs)
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context.update({
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'version_rev1': version_rev1,
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'version_rev2': version_rev2,
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'diff_text': diff_text,
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'diff_reason': diff_reason,
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})
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return context
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version_diff = VersionDiffView.as_view()
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class SetIdentifierView(SingleObjectMixin, RedirectView):
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"""Set the identifier of the motion.
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See motion.set_identifier for more informations
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"""
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permission_required = 'motion.can_manage_motion'
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model = Motion
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url_name = 'motion_detail'
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def get(self, request, *args, **kwargs):
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"""Set self.object to a motion."""
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self.object = self.get_object()
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return super(SetIdentifierView, self).get(request, *args, **kwargs)
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def pre_redirect(self, request, *args, **kwargs):
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"""Set the identifier."""
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self.object.set_identifier()
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def get_url_name_args(self):
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return [self.object.id]
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set_identifier = SetIdentifierView.as_view()
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class SupportView(SingleObjectMixin, QuestionMixin, RedirectView):
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"""View to support or unsupport a motion.
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If self.support is True, the view will append a request.user to the supporter list.
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If self.support is False, the view will remove a request.user from the supporter list.
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"""
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permission_required = 'motion.can_support_motion'
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model = Motion
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support = True
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def get(self, request, *args, **kwargs):
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"""Set self.object to a motion."""
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self.object = self.get_object()
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return super(SupportView, self).get(request, *args, **kwargs)
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def check_permission(self, request):
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"""Return True if the user can support or unsupport the motion. Else: False."""
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allowed_actions = self.object.get_allowed_actions(request.user)
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if self.support and not allowed_actions['support']:
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messages.error(request, _('You can not support this motion.'))
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return False
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elif not self.support and not allowed_actions['unsupport']:
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messages.error(request, _('You can not unsupport this motion.'))
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return False
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else:
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return True
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def get_question(self):
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"""Return the question string."""
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if self.support:
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return _('Do you really want to support this motion?')
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else:
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return _('Do you really want to unsupport this motion?')
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def case_yes(self):
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"""Append or remove the request.user from the motion.
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First the method checks the permissions, and writes a log message after
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appending or removing the user.
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"""
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if self.check_permission(self.request):
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user = self.request.user
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if self.support:
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self.object.support(person=user)
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self.object.write_log(ugettext_noop("Supporter: +%s") % user, user)
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else:
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self.object.unsupport(person=user)
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self.object.write_log(ugettext_noop("Supporter: -%s") % user, user)
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def get_success_message(self):
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"""Return the success message."""
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if self.support:
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return _("You have supported this motion successfully.")
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else:
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return _("You have unsupported this motion successfully.")
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def get_redirect_url(self, **kwargs):
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"""Return the url, the view should redirect to."""
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return self.object.get_absolute_url()
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motion_support = SupportView.as_view(support=True)
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motion_unsupport = SupportView.as_view(support=False)
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class PollCreateView(SingleObjectMixin, RedirectView):
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"""View to create a poll for a motion."""
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permission_required = 'motion.can_manage_motion'
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model = Motion
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def get(self, request, *args, **kwargs):
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"""Set self.object to a motion."""
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self.object = self.get_object()
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return super(PollCreateView, self).get(request, *args, **kwargs)
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def pre_redirect(self, request, *args, **kwargs):
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"""Create the poll for the motion."""
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self.poll = self.object.create_poll()
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self.object.write_log(ugettext_noop("Poll created"), request.user)
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messages.success(request, _("New vote was successfully created."))
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def get_redirect_url(self, **kwargs):
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"""Return the URL to the EditView of the poll."""
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return reverse('motion_poll_edit', args=[self.object.pk, self.poll.poll_number])
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poll_create = PollCreateView.as_view()
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class PollMixin(object):
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"""
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Mixin for the PollUpdateView and the PollDeleteView.
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"""
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permission_required = 'motion.can_manage_motion'
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success_url_name = 'motion_detail'
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def get_object(self):
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"""
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Return a MotionPoll object.
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Use the motion id and the poll_number from the url kwargs to get the
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object.
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"""
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return MotionPoll.objects.filter(
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motion=self.kwargs['pk'],
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poll_number=self.kwargs['poll_number']).get()
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def get_url_name_args(self):
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"""
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Return the arguments to create the url to the success_url.
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"""
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return [self.object.motion.pk]
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class PollUpdateView(PollMixin, PollFormView):
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"""
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View to update a MotionPoll.
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"""
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poll_class = MotionPoll
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"""
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Poll Class to use for this view.
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"""
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template_name = 'motion/poll_form.html'
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def get_context_data(self, **kwargs):
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"""
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Return the template context.
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Append the motion object to the context.
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"""
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context = super(PollUpdateView, self).get_context_data(**kwargs)
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context.update({
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'motion': self.poll.motion,
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'poll': self.poll})
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return context
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def form_valid(self, form):
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"""
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Write a log message, if the form is valid.
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"""
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value = super(PollUpdateView, self).form_valid(form)
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self.object.write_log(ugettext_noop('Poll updated'), self.request.user)
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return value
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poll_edit = PollUpdateView.as_view()
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class PollDeleteView(PollMixin, DeleteView):
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"""
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View to delete a MotionPoll.
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"""
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model = MotionPoll
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def case_yes(self):
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"""
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Write a log message, if the form is valid.
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"""
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super(PollDeleteView, self).case_yes()
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self.object.write_log(ugettext_noop('Poll deleted'), self.request.user)
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def get_redirect_url(self, **kwargs):
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"""
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Return the URL to the DetailView of the motion.
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"""
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return reverse('motion_detail', args=[self.object.motion.pk])
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poll_delete = PollDeleteView.as_view()
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class PollPDFView(PollMixin, PDFView):
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"""
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Generates a ballotpaper.
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"""
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permission_required = 'motion.can_manage_motion'
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top_space = 0
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def get(self, *args, **kwargs):
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self.object = self.get_object()
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return super(PollPDFView, self).get(*args, **kwargs)
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|
|
|
def get_filename(self):
|
|
"""
|
|
Return the filename for the PDF.
|
|
"""
|
|
return u'%s%s_%s' % (_("Motion"), str(self.object.poll_number), _("Poll"))
|
|
|
|
def get_template(self, buffer):
|
|
return SimpleDocTemplate(
|
|
buffer, topMargin=-6, bottomMargin=-6, leftMargin=0, rightMargin=0,
|
|
showBoundary=False)
|
|
|
|
def build_document(self, pdf_document, story):
|
|
pdf_document.build(story)
|
|
|
|
def append_to_pdf(self, pdf):
|
|
"""
|
|
Append PDF objects.
|
|
"""
|
|
motion_poll_to_pdf(pdf, self.object)
|
|
|
|
poll_pdf = PollPDFView.as_view()
|
|
|
|
|
|
class MotionSetStateView(SingleObjectMixin, RedirectView):
|
|
"""View to set the state of a motion.
|
|
|
|
If self.reset is False, the new state is taken from url.
|
|
|
|
If self.reset is True, the default state is taken.
|
|
"""
|
|
permission_required = 'motion.can_manage_motion'
|
|
url_name = 'motion_detail'
|
|
model = Motion
|
|
reset = False
|
|
|
|
def pre_redirect(self, request, *args, **kwargs):
|
|
"""Save the new state and write a log message."""
|
|
self.object = self.get_object()
|
|
try:
|
|
if self.reset:
|
|
self.object.reset_state()
|
|
else:
|
|
self.object.set_state(int(kwargs['state']))
|
|
except WorkflowError, e: # TODO: Is a WorkflowError still possible here?
|
|
messages.error(request, e)
|
|
else:
|
|
self.object.save()
|
|
# TODO: the state is not translated
|
|
self.object.write_log(ugettext_noop('State changed to %s') %
|
|
self.object.state.name, self.request.user)
|
|
messages.success(request, _('Motion status was set to: %s.'
|
|
% html_strong(self.object.state)))
|
|
|
|
def get_url_name_args(self):
|
|
"""Return the arguments to generate the redirect_url."""
|
|
return [self.object.pk]
|
|
|
|
set_state = MotionSetStateView.as_view()
|
|
reset_state = MotionSetStateView.as_view(reset=True)
|
|
|
|
|
|
class CreateAgendaItemView(SingleObjectMixin, RedirectView):
|
|
"""View to create and agenda item for a motion."""
|
|
permission_required = 'agenda.can_manage_agenda'
|
|
model = Motion
|
|
url_name = 'item_overview'
|
|
url_name_args = []
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
"""Set self.object to a motion."""
|
|
self.object = self.get_object()
|
|
return super(CreateAgendaItemView, self).get(request, *args, **kwargs)
|
|
|
|
def pre_redirect(self, request, *args, **kwargs):
|
|
"""Create the agenda item."""
|
|
self.item = Item.objects.create(related_sid=self.object.sid)
|
|
self.object.write_log(ugettext_noop('Agenda item created'), self.request.user)
|
|
|
|
create_agenda_item = CreateAgendaItemView.as_view()
|
|
|
|
|
|
class MotionPDFView(SingleObjectMixin, PDFView):
|
|
"""Create the PDF for one, or all motions.
|
|
|
|
If self.print_all_motions is True, the view returns a PDF with all motions.
|
|
|
|
If self.print_all_motions is False, the view returns a PDF with only one
|
|
motion."""
|
|
permission_required = 'motion.can_see_motion'
|
|
model = Motion
|
|
top_space = 0
|
|
print_all_motions = False
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
"""Set self.object to a motion."""
|
|
if not self.print_all_motions:
|
|
self.object = self.get_object()
|
|
return super(MotionPDFView, self).get(request, *args, **kwargs)
|
|
|
|
def get_filename(self):
|
|
"""Return the filename for the PDF."""
|
|
if self.print_all_motions:
|
|
return _("Motions")
|
|
else:
|
|
return _("Motion: %s") % unicode(self.object)
|
|
|
|
def append_to_pdf(self, pdf):
|
|
"""Append PDF objects."""
|
|
if self.print_all_motions:
|
|
motions_to_pdf(pdf)
|
|
else:
|
|
motion_to_pdf(pdf, self.object)
|
|
|
|
motion_list_pdf = MotionPDFView.as_view(print_all_motions=True)
|
|
motion_detail_pdf = MotionPDFView.as_view(print_all_motions=False)
|
|
|
|
|
|
class CategoryListView(ListView):
|
|
permission_required = 'motion.can_manage_motion'
|
|
model = Category
|
|
|
|
category_list = CategoryListView.as_view()
|
|
|
|
|
|
class CategoryCreateView(CreateView):
|
|
permission_required = 'motion.can_manage_motion'
|
|
model = Category
|
|
success_url_name = 'motion_category_list'
|
|
|
|
category_create = CategoryCreateView.as_view()
|
|
|
|
|
|
class CategoryUpdateView(UpdateView):
|
|
permission_required = 'motion.can_manage_motion'
|
|
model = Category
|
|
success_url_name = 'motion_category_list'
|
|
|
|
category_update = CategoryUpdateView.as_view()
|
|
|
|
|
|
class CategoryDeleteView(DeleteView):
|
|
permission_required = 'motion.can_manage_motion'
|
|
model = Category
|
|
question_url_name = 'motion_category_list'
|
|
success_url_name = 'motion_category_list'
|
|
|
|
category_delete = CategoryDeleteView.as_view()
|
|
|
|
|
|
class MotionCSVImportView(FormView):
|
|
"""
|
|
Import motions via csv.
|
|
"""
|
|
permission_required = 'motion.can_manage_motion'
|
|
template_name = 'motion/motion_form_csv_import.html'
|
|
form_class = MotionImportForm
|
|
success_url_name = 'motion_list'
|
|
|
|
def get_initial(self, *args, **kwargs):
|
|
"""
|
|
Sets the request user as initial for the default submitter.
|
|
"""
|
|
return_value = super(MotionCSVImportView, self).get_initial(*args, **kwargs)
|
|
return_value.update({'default_submitter': self.request.user.person_id})
|
|
return return_value
|
|
|
|
def form_valid(self, form):
|
|
"""
|
|
Processes the import function.
|
|
"""
|
|
count_success, error_messages, warning_messages = import_motions(
|
|
self.request.FILES['csvfile'],
|
|
default_submitter=self.request.user,
|
|
override=form.cleaned_data['override'])
|
|
for message in error_messages:
|
|
messages.error(self.request, message)
|
|
for message in warning_messages:
|
|
messages.warning(self.request, message)
|
|
if count_success:
|
|
messages.success(
|
|
self.request,
|
|
_('%d motions were successfully imported.') % count_success)
|
|
return super(MotionCSVImportView, self).form_valid(form)
|
|
|
|
motion_csv_import = MotionCSVImportView.as_view()
|
|
|
|
|
|
def register_tab(request):
|
|
"""Return the motion tab."""
|
|
# TODO: Find a better way to set the selected var.
|
|
return Tab(
|
|
title=_('Motions'),
|
|
app='motion',
|
|
url=reverse('motion_list'),
|
|
permission=request.user.has_perm('motion.can_see_motion'),
|
|
selected=request.path.startswith('/motion/'))
|
|
|
|
|
|
def get_widgets(request):
|
|
"""Return the motion widgets for the dashboard.
|
|
|
|
There is only one widget. It shows all motions.
|
|
"""
|
|
return [Widget(
|
|
name='motions',
|
|
display_name=_('Motions'),
|
|
template='motion/widget.html',
|
|
context={'motions': Motion.objects.all()},
|
|
permission_required='projector.can_manage_projector')]
|