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
import os
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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 reportlab.lib import colors
from reportlab.lib.units import cm
from reportlab.platypus import PageBreak, Paragraph, Spacer, Table, TableStyle
from config.models import config
from settings import SITE_ROOT
from utils.pdf import stylesheet
from utils.views import PDFView
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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 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]))
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class ViewPoll(PollFormView):
permission_required = 'application.can_manage_application'
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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
context['ballot'] = self.poll.get_ballot()
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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 ''
@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_application')
@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():
import_permitted = form.cleaned_data['import_permitted']
try:
# check for valid encoding (will raise UnicodeDecodeError if not)
request.FILES['csvfile'].read().decode('utf-8')
request.FILES['csvfile'].seek(0)
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
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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']
if import_permitted:
application.status = 'per'
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.'))
except UnicodeDecodeError:
messages.error(request, _('Import file has wrong character encoding, only UTF-8 is supported!'))
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,
}
class ApplicationPDF(PDFView):
permission_required = 'application.can_manage_application'
top_space = 0
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def get_filename(self):
application_id = self.kwargs['application_id']
if application_id is None:
filename = _("Applications")
else:
application = Application.objects.get(id=application_id)
if application.number:
number = application.number
else:
number = ""
filename = u'%s%s' % (_("Application"), str(number))
return filename
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def append_to_pdf(self, story):
application_id = self.kwargs['application_id']
if application_id is None: #print all applications
title = config["application_pdf_title"]
story.append(Paragraph(title, stylesheet['Heading1']))
preamble = config["application_pdf_preamble"]
if preamble:
story.append(Paragraph("%s" % preamble.replace('\r\n','<br/>'), stylesheet['Paragraph']))
story.append(Spacer(0,0.75*cm))
# List of applications
for application in Application.objects.order_by('number'):
if application.number:
story.append(Paragraph(_("Application No.")+" %s: %s" % (application.number, application.title), stylesheet['Heading3']))
else:
story.append(Paragraph(_("Application No.")+"&nbsp;&nbsp;&nbsp;: %s" % (application.title), stylesheet['Heading3']))
# Applications details (each application on single page)
for application in Application.objects.order_by('number'):
story.append(PageBreak())
story = self.get_application(application, story)
else: # print selected application
application = Application.objects.get(id=application_id)
story = self.get_application(application, story)
def get_application(self, application, story):
# application number
if application.number:
story.append(Paragraph(_("Application No.")+" %s" % application.number, stylesheet['Heading1']))
else:
story.append(Paragraph(_("Application No."), stylesheet['Heading1']))
# submitter
cell1a = []
cell1a.append(Spacer(0,0.2*cm))
cell1a.append(Paragraph("<font name='Ubuntu-Bold'>%s:</font>" % _("Submitter"), stylesheet['Heading4']))
cell1b = []
cell1b.append(Spacer(0,0.2*cm))
if application.status == "pub":
cell1b.append(Paragraph("__________________________________________",stylesheet['Signaturefield']))
cell1b.append(Spacer(0,0.1*cm))
cell1b.append(Paragraph("&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"+unicode(application.submitter.profile), stylesheet['Small']))
cell1b.append(Spacer(0,0.2*cm))
else:
cell1b.append(Paragraph(unicode(application.submitter.profile), stylesheet['Normal']))
# supporters
cell2a = []
cell2a.append(Paragraph("<font name='Ubuntu-Bold'>%s:</font><seqreset id='counter'>" % _("Supporters"), stylesheet['Heading4']))
cell2b = []
for s in application.supporter.all():
cell2b.append(Paragraph("<seq id='counter'/>.&nbsp; %s" % unicode(s.profile), stylesheet['Signaturefield']))
if application.status == "pub":
for x in range(0,application.missing_supporters):
cell2b.append(Paragraph("<seq id='counter'/>.&nbsp; __________________________________________",stylesheet['Signaturefield']))
cell2b.append(Spacer(0,0.2*cm))
# status
note = ""
for n in application.notes:
note += "%s " % unicode(n)
cell3a = []
cell3a.append(Paragraph("<font name='Ubuntu-Bold'>%s:</font>" % _("Status"), stylesheet['Heading4']))
cell3b = []
if note != "":
if application.status == "pub":
cell3b.append(Paragraph(note, stylesheet['Normal']))
else:
cell3b.append(Paragraph("%s | %s" % (application.get_status_display(), note), stylesheet['Normal']))
else:
cell3b.append(Paragraph("%s" % application.get_status_display(), stylesheet['Normal']))
# table
data = []
data.append([cell1a,cell1b])
data.append([cell2a,cell2b])
data.append([cell3a,cell3b])
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poll_results = application.get_poll_results()
# voting results
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if poll_results:
cell4a = []
cell4a.append(Paragraph("<font name='Ubuntu-Bold'>%s:</font>" % _("Vote results"), stylesheet['Heading4']))
cell4b = []
ballotcounter = 0
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for result in poll_results:
ballotcounter += 1
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if len(poll_results) > 1:
cell4b.append(Paragraph("%s. %s" % (ballotcounter, _("Vote")), stylesheet['Bold']))
cell4b.append(Paragraph("%s: %s <br/> %s: %s <br/> %s: %s <br/> %s: %s <br/> %s: %s" % (_("Yes"), result[0], _("No"), result[1], _("Abstention"), result[2], _("Invalid"), result[3], _("Votes cast"), result[4]), stylesheet['Normal']))
cell4b.append(Spacer(0,0.2*cm))
data.append([cell4a,cell4b])
t=Table(data)
t._argW[0]=4.5*cm
t._argW[1]=11*cm
t.setStyle(TableStyle([ ('BOX', (0,0), (-1,-1), 1, colors.black),
('VALIGN', (0,0), (-1,-1), 'TOP'),
]))
story.append(t)
story.append(Spacer(0,1*cm))
# title
story.append(Paragraph(application.title, stylesheet['Heading3']))
# text
story.append(Paragraph("%s" % application.text.replace('\r\n','<br/>'), stylesheet['Paragraph']))
# reason
story.append(Paragraph(_("Reason")+":", stylesheet['Heading3']))
story.append(Paragraph("%s" % application.reason.replace('\r\n','<br/>'), stylesheet['Paragraph']))
return story
class ApplicationPollPDF(PDFView):
permission_required = 'application.can_manage_application'
top_space = 0
def get(self, request, *args, **kwargs):
self.poll = ApplicationPoll.objects.get(id=self.kwargs['poll_id'])
return super(ApplicationPollPDF, self).get(request, *args, **kwargs)
def get_filename(self):
filename = u'%s%s_%s' % (_("Application"), str(self.poll.application.number), _("Poll"))
return filename
def append_to_pdf(self, story):
imgpath = os.path.join(SITE_ROOT, 'static/images/circle.png')
circle = "<img src='%s' width='15' height='15'/>&nbsp;&nbsp;" % imgpath
cell = []
cell.append(Spacer(0,0.8*cm))
cell.append(Paragraph(_("Application No.")+" "+str(self.poll.application.number), stylesheet['Ballot_title']))
cell.append(Paragraph(self.poll.application.title, stylesheet['Ballot_subtitle']))
cell.append(Paragraph(str(self.poll.get_ballot())+". "+_("Vote"), stylesheet['Ballot_description']))
cell.append(Spacer(0,0.5*cm))
cell.append(Paragraph(circle+_("Yes"), stylesheet['Ballot_option']))
cell.append(Paragraph(circle+_("No"), stylesheet['Ballot_option']))
cell.append(Paragraph(circle+_("Abstention"), stylesheet['Ballot_option']))
data= []
number = 1
# get ballot papers config values
ballot_papers_selection = config["application_pdf_ballot_papers_selection"]
ballot_papers_number = config["application_pdf_ballot_papers_number"]
# set number of ballot papers
if ballot_papers_selection == "1":
number = User.objects.filter(profile__type__iexact="delegate").count()
if ballot_papers_selection == "2":
number = int(User.objects.count() - 1)
if ballot_papers_selection == "0":
number = int(ballot_papers_number)
# print ballot papers
if number > 0:
for user in xrange(number/2):
data.append([cell,cell])
rest = number % 2
if rest:
data.append([cell,''])
t=Table(data, 10.5*cm, 7.42*cm)
t.setStyle(TableStyle([ ('GRID', (0,0), (-1,-1), 0.25, colors.grey),
('VALIGN', (0,0), (-1,-1), 'TOP'),
]))
story.append(t)
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class Config(FormView):
permission_required = 'config.can_manage_config'
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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,
)