OpenSlides/openslides/application/views.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
openslides.application.views
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Views for the application app.
:copyright: 2011 by the OpenSlides team, see AUTHORS.
:license: GNU GPL, see LICENSE for more details.
"""
from __future__ import with_statement
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import csv
import utils.csv_ext
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from django.shortcuts import redirect
from django.contrib import messages
from django.contrib.auth.decorators import login_required
from django.contrib.auth.models import User, Group
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from django.core.urlresolvers import reverse
from django.utils.translation import ugettext as _
from django.utils.translation import ungettext
from django.db import transaction
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from django.views.generic.base import RedirectView
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from system import config
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from agenda.models import Item
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from application.models import Application, AVersion, ApplicationPoll
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from application.forms import (
ApplicationForm,
ApplicationManagerForm,
ApplicationImportForm,
ConfigForm,
)
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from participant.models import Profile
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from poll.views import PollFormView
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from utils.utils import template, permission_required, \
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render_to_forbitten, del_confirm_form, gen_confirm_form
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from utils.views import FormView
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from utils.template import Tab
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from utils.pdf import print_application, print_application_poll
from participant.api import gen_username, gen_password
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@permission_required('application.can_see_application')
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@template('application/overview.html')
def overview(request):
"""
View all applications
"""
query = Application.objects
if 'number' in request.GET:
query = query.filter(number=None)
if 'status' in request.GET:
if 'statusvalue' in request.GET and 'on' in request.GET['status']:
query = query.filter(status__iexact=request.GET['statusvalue'])
try:
sort = request.GET['sort']
if sort in ['number', 'supporter', 'status', 'submitter', \
'aversion__time', 'aversion__title']:
query = query.order_by(sort)
except KeyError:
query = query.order_by("number")
if 'reverse' in request.GET:
query = query.reverse()
if 'needsup' in request.GET:
applications = []
for application in query.all():
if not application.enough_supporters:
applications.append(application)
else:
applications = query.all()
return {
'applications': applications,
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'min_supporters': int(config['application_min_supporters']),
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}
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@permission_required('application.can_see_application')
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@template('application/view.html')
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def view(request, application_id, newest=False):
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"""
View one application.
"""
application = Application.objects.get(pk=application_id)
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if newest:
version = application.last_version
else:
version = application.public_version
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revisions = application.versions
actions = application.get_allowed_actions(user=request.user)
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return {
'application': application,
'revisions': revisions,
'actions': actions,
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'min_supporters': int(config['application_min_supporters']),
'version': version,
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#'results': application.results
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}
@login_required
@template('application/edit.html')
def edit(request, application_id=None):
"""
View a form to edit or create a application.
"""
if request.user.has_perm('application.can_manage_application'):
is_manager = True
else:
is_manager = False
if not is_manager \
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and not request.user.has_perm('application.can_create_application'):
messages.error(request, _("You have not the necessary rights to create or edit applications."))
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return redirect(reverse('application_overview'))
if application_id is not None:
application = Application.objects.get(id=application_id)
if not request.user == application.submitter and not is_manager:
messages.error(request, _("You can not edit this application. You are not the submitter."))
return redirect(reverse('application_view', args=[application.id]))
else:
application = None
if request.method == 'POST':
dataform = ApplicationForm(request.POST, prefix="data")
valid = dataform.is_valid()
if is_manager:
managerform = ApplicationManagerForm(request.POST, \
instance=application, \
prefix="manager")
valid = valid and managerform.is_valid()
else:
managerform = None
if valid:
del_supporters = True
original_supporters = []
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if is_manager:
if application:
for s in application.supporter.all():
original_supporters.append(s)
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application = managerform.save()
elif application_id is None:
application = Application(submitter=request.user)
application.title = dataform.cleaned_data['title']
application.text = dataform.cleaned_data['text']
application.reason = dataform.cleaned_data['reason']
application.save(request.user, trivial_change=dataform.cleaned_data['trivial_change'])
if is_manager:
# log added supporters
supporters_added = []
for s in application.supporter.all():
if s not in original_supporters:
try:
supporters_added.append(unicode(s.profile))
except Profile.DoesNotExist:
pass
if len(supporters_added) > 0:
log_added = ", ".join(supporters_added)
application.writelog(_("Supporter: +%s") % log_added, request.user)
# log removed supporters
supporters_removed = []
for s in original_supporters:
if s not in application.supporter.all():
try:
supporters_removed.append(unicode(s.profile))
except Profile.DoesNotExist:
pass
if len(supporters_removed) > 0:
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log_removed = ", ".join(supporters_removed)
application.writelog(_("Supporter: -%s") % log_removed, request.user)
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if application_id is None:
messages.success(request, _('New application was successfully created.'))
else:
messages.success(request, _('Application was successfully modified.'))
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if not 'apply' in request.POST:
return redirect(reverse('application_view', args=[application.id]))
if application_id is None:
return redirect(reverse('application_edit', args=[application.id]))
else:
messages.error(request, _('Please check the form for errors.'))
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else:
if application_id is None:
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initial = {'text': config['application_preamble']}
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else:
if application.status == "pub" and application.supporter.count() > 0:
if request.user.has_perm('application.can_manage_application'):
messages.warning(request, _("Attention: Do you really want to edit this application? The supporters will <b>not</b> be removed automatically because you can manage applications. Please check if the supports are valid after your changing!"))
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else:
messages.warning(request, _("Attention: Do you really want to edit this application? All <b>%s</b> supporters will be removed! Try to convince the supporters again.") % application.supporter.count() )
initial = {'title': application.title,
'text': application.text,
'reason': application.reason}
dataform = ApplicationForm(initial=initial, prefix="data")
if is_manager:
if application_id is None:
initial = {'submitter': str(request.user.id)}
else:
initial = {}
managerform = ApplicationManagerForm(initial=initial, \
instance=application, \
prefix="manager")
else:
managerform = None
return {
'form': dataform,
'managerform': managerform,
'application': application,
}
@login_required
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@template('application/view.html')
def delete(request, application_id):
"""
delete a application.
"""
application = Application.objects.get(id=application_id)
if not 'delete' in application.get_allowed_actions(user=request.user):
messages.error(request, _("You can not delete application <b>%s</b>.") % application)
else:
if request.method == 'POST':
try:
title = str(application)
application.delete()
messages.success(request, _("Application <b>%s</b> was successfully deleted.") % title)
except NameError, name:
messages.error(request, name)
else:
del_confirm_form(request, application)
return redirect(reverse('application_overview'))
@permission_required('application.can_manage_application')
@template('application/view.html')
def set_number(request, application_id):
"""
set a number for an application.
"""
try:
Application.objects.get(pk=application_id).set_number(user=request.user)
messages.success(request, _("Application number was successfully set."))
except Application.DoesNotExist:
pass
except NameError:
pass
return redirect(reverse('application_view', args=[application_id]))
@permission_required('application.can_manage_application')
@template('application/view.html')
def permit(request, application_id):
"""
permit an application.
"""
try:
Application.objects.get(pk=application_id).permit(user=request.user)
messages.success(request, _("Application was successfully permitted."))
except Application.DoesNotExist:
pass
return redirect(reverse('application_view', args=[application_id]))
@permission_required('application.can_manage_application')
@template('application/view.html')
def notpermit(request, application_id):
"""
reject (not permit) an application.
"""
try:
Application.objects.get(pk=application_id).notpermit(user=request.user)
messages.success(request, _("Application was successfully rejected."))
except Application.DoesNotExist:
pass
return redirect(reverse('application_view', args=[application_id]))
@template('application/view.html')
def set_status(request, application_id=None, status=None):
"""
set a status of an application.
"""
try:
if status is not None:
application = Application.objects.get(pk=application_id)
application.set_status(user=request.user, status=status)
messages.success(request, _("Application status was set to: <b>%s</b>.") % application.get_status_display())
except Application.DoesNotExist:
pass
return redirect(reverse('application_view', args=[application_id]))
@permission_required('application.can_manage_application')
@template('application/view.html')
def reset(request, application_id):
"""
reset an application.
"""
try:
Application.objects.get(pk=application_id).reset(user=request.user)
messages.success(request, _("Application status was reset.") )
except Application.DoesNotExist:
pass
return redirect(reverse('application_view', args=[application_id]))
@permission_required('application.can_support_application')
@template('application/view.html')
def support(request, application_id):
"""
support an application.
"""
try:
Application.objects.get(pk=application_id).support(user=request.user)
messages.success(request, _("You have support the application successfully.") )
except Application.DoesNotExist:
pass
return redirect(reverse('application_view', args=[application_id]))
@permission_required('application.can_support_application')
@template('application/view.html')
def unsupport(request, application_id):
"""
unsupport an application.
"""
try:
Application.objects.get(pk=application_id).unsupport(user=request.user)
messages.success(request, _("You have unsupport the application successfully.") )
except Application.DoesNotExist:
pass
return redirect(reverse('application_view', args=[application_id]))
@permission_required('application.can_manage_application')
def set_active(request, application_id):
application = Application.objects.get(pk=application_id)
application.set_active()
return redirect(reverse('application_view', args=[application_id]))
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@permission_required('application.can_manage_application')
@template('application/view.html')
def gen_poll(request, application_id):
"""
gen a poll for this application.
"""
try:
poll = Application.objects.get(pk=application_id).gen_poll(user=request.user)
messages.success(request, _("New vote was successfully created.") )
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except Application.DoesNotExist:
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pass # TODO: do not call poll after this excaption
return redirect(reverse('application_poll_view', args=[poll.id]))
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@permission_required('application.can_manage_application')
def delete_poll(request, poll_id):
"""
delete a poll from this application
"""
poll = ApplicationPoll.objects.get(pk=poll_id)
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application = poll.application
count = application.polls.filter(id__lte=poll_id).count()
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if request.method == 'POST':
poll.delete()
messages.success(request, _('Poll was successfully deleted.'))
else:
del_confirm_form(request, poll, name=_("the %s. poll") % count, delete_link=reverse('application_poll_delete', args=[poll_id]))
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return redirect(reverse('application_view', args=[application.id]))
@permission_required('application.can_manage_application')
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@template('application/poll_view.html')
def view_poll(request, poll_id):
"""
view a poll for this application.
"""
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poll = ApplicationPoll.objects.get(pk=poll_id)
#ballot = poll.ballot
options = poll.get_options()
if request.user.has_perm('application.can_manage_application'):
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if request.method == 'POST':
form = PollForm(request.POST, prefix="poll")
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if form.is_valid():
poll.votesinvalid = form.cleaned_data['invalid'] or 0
poll.votescast = form.cleaned_data['votescast'] or 0
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poll.save()
for option in options:
option.form = OptionResultForm(request.POST,
prefix="o%d" % option.id)
if option.form.is_valid():
option.voteyes = option.form.cleaned_data['yes']
option.voteno = option.form.cleaned_data['no'] or 0
option.voteundesided = option.form. \
cleaned_data['undesided'] or 0
option.save()
messages.success(request, _("Votes are successfully saved.") )
if not 'apply' in request.POST:
return redirect(reverse('application_view', args=[poll.application.id]))
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else:
form = PollForm(initial={'invalid': poll.votesinvalid, 'votescast': poll.votescast}, prefix="poll")
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for option in options:
option.form = OptionResultForm(initial={
'yes': option.voteyes,
'no': option.voteno,
'undesided': option.voteundesided,
}, prefix="o%d" % option.id)
return {
'poll': poll,
'form': form,
'options': options,
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#'ballot': ballot,
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}
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class ViewPoll(PollFormView):
poll_class = ApplicationPoll
template_name = 'application/poll_view.html'
def get_context_data(self, **kwargs):
context = super(ViewPoll, self).get_context_data(**kwargs)
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self.application = self.poll.get_application()
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context['application'] = self.application
return context
def get_success_url(self):
if not 'apply' in self.request.POST:
return reverse('application_view', args=[self.poll.application.id])
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return ''
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class ActivatePoll(RedirectView):
permanent = False
def get_redirect_url(self, **kwargs):
poll = ApplicationPoll.objects.get(pk=self.kwargs['poll_id'])
application = poll.get_application()
return reverse('application_view', args=[application.id])
def get(self, request, *args, **kwargs):
self.poll = ApplicationPoll.objects.get(pk=self.kwargs['poll_id'])
self.poll.set_active()
return super(ActivatePoll, self).get(request, *args, **kwargs)
@permission_required('application.can_manage_application')
def permit_version(request, aversion_id):
aversion = AVersion.objects.get(pk=aversion_id)
application = aversion.application
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if request.method == 'POST':
application.accept_version(aversion)
messages.success(request, _("Version <b>%s</b> accepted.") % (aversion.aid))
else:
gen_confirm_form(request, _('Do you really want to permit version <b>%s</b>?') % aversion.aid, reverse('application_version_permit', args=[aversion.id]))
return redirect(reverse('application_view', args=[application.id]))
@permission_required('application.can_manage_application')
def reject_version(request, aversion_id):
aversion = AVersion.objects.get(pk=aversion_id)
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application = aversion.application
if request.method == 'POST':
if application.reject_version(aversion):
messages.success(request, _("Version <b>%s</b> rejected.") % (aversion.aid))
else:
messages.error(request, _("ERROR by rejecting the version.") )
else:
gen_confirm_form(request, _('Do you really want to reject version <b>%s</b>?') % aversion.aid, reverse('application_version_reject', args=[aversion.id]))
return redirect(reverse('application_view', args=[application.id]))
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@permission_required('application.can_manage_applications')
@template('application/import.html')
def application_import(request):
try:
request.user.profile
messages.error(request, _('The import function is available for the superuser (without user profile) only.'))
return redirect(reverse('application_overview'))
except Profile.DoesNotExist:
pass
except AttributeError:
# AnonymousUser
pass
if request.method == 'POST':
form = ApplicationImportForm(request.POST, request.FILES)
if form.is_valid():
try:
users_generated = 0
applications_generated = 0
applications_modified = 0
with transaction.commit_on_success():
dialect = csv.Sniffer().sniff(request.FILES['csvfile'].readline())
dialect = utils.csv_ext.patchup(dialect)
request.FILES['csvfile'].seek(0)
for (lno, line) in enumerate(csv.reader(request.FILES['csvfile'], dialect=dialect)):
# basic input verification
if lno < 1:
continue
try:
(number, title, text, reason, first_name, last_name) = line[:6]
except ValueError:
messages.error(request, _('Ignoring malformed line %d in import file.') % (lno + 1))
continue
form = ApplicationForm({ 'title':title, 'text':text, 'reason':reason })
if not form.is_valid():
messages.error(request, _('Ignoring malformed line %d in import file.') % (lno + 1))
continue
if number:
try:
number = abs(long(number))
if number < 1:
messages.error(request, _('Ignoring malformed line %d in import file.') % (lno + 1))
continue
except ValueError:
messages.error(request, _('Ignoring malformed line %d in import file.') % (lno + 1))
continue
# fetch existing users or create new users as needed
try:
user = User.objects.get(first_name=first_name, last_name=last_name)
except User.DoesNotExist:
user = None
if user is None:
user = User()
user.last_name = last_name
user.first_name = first_name
user.username = gen_username(first_name, last_name)
user.save()
profile = Profile()
profile.user = user
profile.group = ''
profile.committee = ''
profile.gender = 'none'
profile.type = 'guest'
profile.firstpassword = gen_password()
profile.user.set_password(profile.firstpassword)
profile.save()
users_generated += 1
# create / modify the application
application = None
if number:
try:
application = Application.objects.get(number=number)
applications_modified += 1
except Application.DoesNotExist:
application = None
if application is None:
application = Application(submitter=user)
if number:
application.number = number
applications_generated += 1
application.title = form.cleaned_data['title']
application.text = form.cleaned_data['text']
application.reason = form.cleaned_data['reason']
application.save(user, trivial_change=True)
if applications_generated:
messages.success(request, ungettext('%d application was successfully imported.',
'%d applications were successfully imported.', applications_generated) % applications_generated)
if applications_modified:
messages.success(request, ungettext('%d application was successfully modified.',
'%d applications were successfully modified.', applications_modified) % applications_modified)
if users_generated:
messages.success(request, ungettext('%d new user was added.', '%d new users were added.', users_generated) % users_generated)
return redirect(reverse('application_overview'))
except csv.Error:
message.error(request, _('Import aborted because of severe errors in the input file.'))
else:
messages.error(request, _('Please check the form for errors.'))
else:
messages.warning(request, _("Attention: Existing applications will be modified if you import new applications with the same number."))
messages.warning(request, _("Attention: Importing an application without a number multiple times will create duplicates."))
form = ApplicationImportForm()
return {
'form': form,
}
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class Config(FormView):
permission_required = 'system.can_manage_system'
form_class = ConfigForm
template_name = 'application/config.html'
def get_initial(self):
return {
'application_min_supporters': config['application_min_supporters'],
'application_preamble': config['application_preamble'],
'application_pdf_ballot_papers_selection': config['application_pdf_ballot_papers_selection'],
'application_pdf_ballot_papers_number': config['application_pdf_ballot_papers_number'],
'application_pdf_title': config['application_pdf_title'],
'application_pdf_preamble': config['application_pdf_preamble'],
}
def form_valid(self, form):
config['application_min_supporters'] = form.cleaned_data['application_min_supporters']
config['application_preamble'] = form.cleaned_data['application_preamble']
config['application_pdf_ballot_papers_selection'] = form.cleaned_data['application_pdf_ballot_papers_selection']
config['application_pdf_ballot_papers_number'] = form.cleaned_data['application_pdf_ballot_papers_number']
config['application_pdf_title'] = form.cleaned_data['application_pdf_title']
config['application_pdf_preamble'] = form.cleaned_data['application_pdf_preamble']
messages.success(self.request, _('Application settings successfully saved.'))
return super(Config, self).form_valid(form)
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def register_tab(request):
selected = True if request.path.startswith('/application/') else False
return Tab(
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title=_('Applications'),
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url=reverse('application_overview'),
permission=request.user.has_perm('application.can_see_application') or request.user.has_perm('application.can_support_application') or request.user.has_perm('application.can_support_application') or request.user.has_perm('application.can_manage_application'),
selected=selected,
)