OpenSlides/openslides/assignment/views.py
2013-01-08 21:42:25 +01:00

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
openslides.assignment.views
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Views for the assignment app.
:copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
:license: GNU GPL, see LICENSE for more details.
"""
import os
from reportlab.lib import colors
from reportlab.platypus import (
SimpleDocTemplate, PageBreak, Paragraph, Spacer, Table, TableStyle)
from reportlab.lib.units import cm
from django.conf import settings
from django.core.urlresolvers import reverse
from django.contrib import messages
from django.contrib.auth.decorators import login_required
from django.shortcuts import redirect
from django.utils.translation import ungettext, ugettext as _
from openslides.utils.pdf import stylesheet
from openslides.utils.template import Tab
from openslides.utils.utils import (
template, permission_required, gen_confirm_form, del_confirm_form, ajax_request)
from openslides.utils.views import FormView, DeleteView, PDFView, RedirectView
from openslides.utils.person import get_person
from openslides.config.models import config
from openslides.participant.models import User
from openslides.projector.projector import Widget
from openslides.poll.views import PollFormView
from openslides.agenda.models import Item
from openslides.assignment.models import Assignment, AssignmentPoll
from openslides.assignment.forms import (
AssignmentForm, AssignmentRunForm, ConfigForm)
@permission_required('assignment.can_see_assignment')
@template('assignment/overview.html')
def get_overview(request):
query = Assignment.objects
if 'status' in request.GET and '---' not in request.GET['status']:
query = query.filter(status__iexact=request.GET['status'])
try:
sort = request.GET['sort']
if sort in ['name', 'status']:
query = query.order_by(sort)
except KeyError:
pass
if 'reverse' in request.GET:
query = query.reverse()
assignments = query.all()
return {
'assignments': assignments,
}
@permission_required('assignment.can_see_assignment')
@template('assignment/view.html')
def view(request, assignment_id=None):
form = None
assignment = Assignment.objects.get(pk=assignment_id)
if request.method == 'POST':
if request.user.has_perm('assignment.can_nominate_other'):
form = AssignmentRunForm(request.POST)
if form.is_valid():
user = form.cleaned_data['candidate']
try:
assignment.run(user, request.user)
except NameError, e:
messages.error(request, e)
else:
messages.success(request, _(
"Candidate <b>%s</b> was nominated successfully.")
% user)
else:
if request.user.has_perm('assignment.can_nominate_other'):
form = AssignmentRunForm()
polls = assignment.poll_set.all()
if not request.user.has_perm('assignment.can_manage_assignment'):
polls = assignment.poll_set.filter(published=True)
vote_results = assignment.vote_results(only_published=True)
else:
polls = assignment.poll_set.all()
vote_results = assignment.vote_results(only_published=False)
blocked_candidates = [
candidate.person for candidate in
assignment.assignment_candidates.filter(blocked=True)]
return {
'assignment': assignment,
'blocked_candidates': blocked_candidates,
'form': form,
'vote_results': vote_results,
'polls': polls,
'user_is_candidate': assignment.is_candidate(request.user)}
@permission_required('assignment.can_manage_assignment')
@template('assignment/edit.html')
def edit(request, assignment_id=None):
"""
View zum editieren und neuanlegen von Wahlen
"""
if assignment_id is not None:
assignment = Assignment.objects.get(id=assignment_id)
else:
assignment = None
if request.method == 'POST':
form = AssignmentForm(request.POST, instance=assignment)
if form.is_valid():
assignment = form.save()
if assignment_id is None:
messages.success(request, _('New election was successfully created.'))
else:
messages.success(request, _('Election was successfully modified.'))
if not 'apply' in request.POST:
return redirect(reverse("assignment_overview"))
if assignment_id is None:
return redirect(reverse('assignment_edit', args=[assignment.id]))
else:
messages.error(request, _('Please check the form for errors.'))
else:
form = AssignmentForm(instance=assignment)
if assignment:
polls = assignment.poll_set.filter(assignment=assignment)
else:
polls = None
return {
'form': form,
'assignment': assignment,
'polls': polls,
}
@permission_required('assignment.can_manage_assignment')
def delete(request, assignment_id):
assignment = Assignment.objects.get(pk=assignment_id)
if request.method == 'POST':
assignment.delete()
messages.success(request, _('Election <b>%s</b> was successfully deleted.') % assignment)
else:
del_confirm_form(request, assignment)
return redirect(reverse('assignment_overview'))
@permission_required('assignment.can_manage_assignment')
@template('assignment/view.html')
def set_status(request, assignment_id=None, status=None):
try:
if status is not None:
assignment = Assignment.objects.get(pk=assignment_id)
assignment.set_status(status)
messages.success(request, _('Election status was set to: <b>%s</b>.') % assignment.get_status_display())
except Assignment.DoesNotExist:
pass
except NameError, e:
messages.error(request, e)
return redirect(reverse('assignment_view', args=[assignment_id]))
@permission_required('assignment.can_nominate_self')
def run(request, assignment_id):
assignment = Assignment.objects.get(pk=assignment_id)
try:
assignment.run(request.user, request.user)
messages.success(request, _('You have set your candidature successfully.'))
except NameError, e:
messages.error(request, e)
return redirect(reverse('assignment_view', args=[assignment_id]))
@login_required
def delrun(request, assignment_id):
assignment = Assignment.objects.get(pk=assignment_id)
if assignment.status == 'sea' or request.user.has_perm("assignment.can_manage_assignment"):
try:
assignment.delrun(request.user, blocked=True)
except Exception, e:
messages.error(request, e)
else:
messages.success(
request,
_("You have withdrawn your candidature successfully. "
"You can not be nominated by other participants anymore."))
else:
messages.error(request, _('The candidate list is already closed.'))
return redirect(reverse('assignment_view', args=[assignment_id]))
@permission_required('assignment.can_manage_assignment')
def delother(request, assignment_id, user_id):
assignment = Assignment.objects.get(pk=assignment_id)
person = get_person(user_id)
is_blocked = assignment.is_blocked(person)
if request.method == 'POST':
try:
assignment.delrun(person, blocked=False)
except Exception, e:
messages.error(request, e)
else:
if not is_blocked:
message = _("Candidate <b>%s</b> was withdrawn successfully.") % person
else:
message = _("<b>%s</b> was unblocked successfully.") % person
messages.success(request, message)
else:
if not is_blocked:
message = _("Do you really want to withdraw <b>%s</b> from the election?") % person
else:
message = _("Do you really want to unblock <b>%s</b> for the election?") % person
gen_confirm_form(request, message, reverse('assignment_delother', args=[assignment_id, user_id]))
return redirect(reverse('assignment_view', args=[assignment_id]))
@permission_required('assignment.can_manage_assignment')
def set_active(request, assignment_id):
assignment = Assignment.objects.get(pk=assignment_id)
assignment.set_active()
return redirect(reverse('assignment_view', args=[assignment_id]))
@permission_required('assignment.can_manage_assignment')
def gen_poll(request, assignment_id):
poll = Assignment.objects.get(pk=assignment_id).gen_poll()
messages.success(request, _("New ballot was successfully created."))
return redirect(reverse('assignment_poll_view', args=[poll.id]))
class ViewPoll(PollFormView):
poll_class = AssignmentPoll
template_name = 'assignment/poll_view.html'
def get_context_data(self, **kwargs):
context = super(ViewPoll, self).get_context_data(**kwargs)
self.assignment = self.poll.get_assignment()
context['assignment'] = self.assignment
context['poll'] = self.poll
context['polls'] = self.assignment.poll_set.filter(assignment=self.assignment)
context['ballotnumber'] = self.poll.get_ballot()
return context
def get_success_url(self):
if not 'apply' in self.request.POST:
return reverse('assignment_view', args=[self.poll.assignment.id])
return ''
@permission_required('assignment.can_manage_assignment')
def set_publish_status(request, poll_id):
try:
poll = AssignmentPoll.objects.get(pk=poll_id)
if poll.published:
poll.set_published(False)
else:
poll.set_published(True)
except AssignmentPoll.DoesNotExist:
messages.error(request, _('Ballot ID %d does not exist.') % int(poll_id))
return redirect(reverse('assignment_overview'))
if request.is_ajax():
return ajax_request({'published': poll.published})
if poll.published:
messages.success(request, _("Ballot successfully published."))
else:
messages.success(request, _("Ballot successfully unpublished."))
return redirect(reverse('assignment_view', args=[poll.assignment.id]))
@permission_required('assignment.can_manage_assignment')
def set_elected(request, assignment_id, user_id, elected=True):
assignment = Assignment.objects.get(pk=assignment_id)
person = get_person(user_id)
assignment.set_elected(person, elected)
if request.is_ajax():
if elected:
link = reverse('assignment_user_not_elected', args=[assignment.id, person.person_id])
text = _('not elected')
else:
link = reverse('assignment_user_elected', args=[assignment.id, person.person_id])
text = _('elected')
return ajax_request({'elected': elected, 'link': link, 'text': text})
return redirect(reverse('assignment_view', args=[assignment_id]))
class AssignmentPollDelete(DeleteView):
"""
Delete an assignment poll object.
"""
permission_required = 'assignment.can_manage_assignment'
model = AssignmentPoll
def pre_redirect(self, request, *args, **kwargs):
self.set_assignment()
super(AssignmentPollDelete, self).pre_redirect(request, *args, **kwargs)
def pre_post_redirect(self, request, *args, **kwargs):
self.set_assignment()
super(AssignmentPollDelete, self).pre_post_redirect(request, *args, **kwargs)
def set_assignment(self):
self.assignment = self.object.assignment
def get_redirect_url(self, **kwargs):
return reverse('assignment_view', args=[self.assignment.id])
def get_success_message(self):
return _('Ballot was successfully deleted.') % self.object
class AssignmentPDF(PDFView):
permission_required = 'assignment.can_see_assignment'
top_space = 0
def get_filename(self):
try:
assignment_id = self.kwargs['assignment_id']
assignment = Assignment.objects.get(id=assignment_id)
filename = u'%s-%s' % (
_("Assignment"),
assignment.name.replace(' ', '_'))
except:
filename = _("Elections")
return filename
def append_to_pdf(self, story):
try:
assignment_id = self.kwargs['assignment_id']
except KeyError:
assignment_id = None
if assignment_id is None: # print all assignments
title = config["assignment_pdf_title"]
story.append(Paragraph(title, stylesheet['Heading1']))
preamble = config["assignment_pdf_preamble"]
if preamble:
story.append(Paragraph(
"%s" % preamble.replace('\r\n', '<br/>'),
stylesheet['Paragraph']))
story.append(Spacer(0, 0.75 * cm))
assignments = Assignment.objects.all()
if not assignments: # No assignments existing
story.append(Paragraph(
_("No assignments available."), stylesheet['Heading3']))
else: # Print all assignments
# List of assignments
for assignment in assignments:
story.append(Paragraph(
assignment.name, stylesheet['Heading3']))
# Assignment details (each assignment on single page)
for assignment in assignments:
story.append(PageBreak())
# append the assignment to the story-object
self.get_assignment(assignment, story)
else: # print selected assignment
assignment = Assignment.objects.get(id=assignment_id)
# append the assignment to the story-object
self.get_assignment(assignment, story)
def get_assignment(self, assignment, story):
# title
story.append(Paragraph(
_("Election: %s") % assignment.name, stylesheet['Heading1']))
story.append(Spacer(0, 0.5 * cm))
# posts
cell1a = []
cell1a.append(Paragraph(
"<font name='Ubuntu-Bold'>%s:</font>" %
_("Number of available posts"), stylesheet['Bold']))
cell1b = []
cell1b.append(Paragraph(str(assignment.posts), stylesheet['Paragraph']))
# candidates
cell2a = []
cell2a.append(Paragraph(
"<font name='Ubuntu-Bold'>%s:</font><seqreset"
" id='counter'>" % _("Candidates"), stylesheet['Heading4']))
cell2b = []
for candidate in assignment.candidates:
cell2b.append(Paragraph(
"<seq id='counter'/>.&nbsp; %s" % candidate,
stylesheet['Signaturefield']))
if assignment.status == "sea":
for x in range(0, 2 * assignment.posts):
cell2b.append(
Paragraph(
"<seq id='counter'/>.&nbsp; "
"__________________________________________",
stylesheet['Signaturefield']))
cell2b.append(Spacer(0, 0.2 * cm))
# Vote results
# Preparing
vote_results = assignment.vote_results(only_published=True)
polls = assignment.poll_set.filter(published=True)
data_votes = []
# Left side
cell3a = []
cell3a.append(Paragraph(
"%s:" % (_("Vote results")), stylesheet['Heading4']))
if polls.count() == 1:
cell3a.append(Paragraph(
"%s %s" % (polls.count(), _("ballot")), stylesheet['Normal']))
elif polls.count() > 1:
cell3a.append(Paragraph(
"%s %s" % (polls.count(), _("ballots")), stylesheet['Normal']))
# Add table head row
headrow = []
headrow.append(_("Candidates"))
for poll in polls:
headrow.append("%s." % poll.get_ballot())
data_votes.append(headrow)
# Add result rows
elected_candidates = list(assignment.elected)
for candidate, poll_list in vote_results.iteritems():
row = []
candidate_string = candidate.clean_name
if candidate in elected_candidates:
candidate_string = "* " + candidate_string
if candidate.name_suffix:
candidate_string += "\n(%s)" % candidate.name_suffix
row.append(candidate_string)
for vote in poll_list:
if vote is None:
row.append('')
elif 'Yes' in vote and 'No' in vote and 'Abstain' in vote:
row.append(
_("Y: %(YES)s\nN: %(NO)s\nA: %(ABSTAIN)s")
% {'YES': vote['Yes'], 'NO': vote['No'],
'ABSTAIN': vote['Abstain']})
elif 'Votes' in vote:
row.append(vote['Votes'])
else:
pass
data_votes.append(row)
# Add votes invalid row
footrow_one = []
footrow_one.append(_("Invalid votes"))
for poll in polls:
footrow_one.append(poll.print_votesinvalid())
data_votes.append(footrow_one)
# Add votes cast row
footrow_two = []
footrow_two.append(_("Votes cast"))
for poll in polls:
footrow_two.append(poll.print_votescast())
data_votes.append(footrow_two)
table_votes = Table(data_votes)
table_votes.setStyle(TableStyle([
('GRID', (0, 0), (-1, -1), 0.5, colors.grey),
('VALIGN', (0, 0), (-1, -1), 'TOP'),
('LINEABOVE', (0, 0), (-1, 0), 2, colors.black),
('LINEABOVE', (0, 1), (-1, 1), 1, colors.black),
('LINEBELOW', (0, -1), (-1, -1), 2, colors.black),
('ROWBACKGROUNDS', (0, 1), (-1, -1), (colors.white, (.9, .9, .9)))]))
# table
data = []
data.append([cell1a, cell1b])
if polls:
data.append([cell3a, table_votes])
data.append(['', '* = ' + _('elected')])
else:
data.append([cell2a, cell2b])
data.append([Spacer(0, 0.2 * cm), ''])
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))
# text
story.append(Paragraph(
"%s" % assignment.description.replace('\r\n',
'<br/>'), stylesheet['Paragraph']))
class CreateAgendaItem(RedirectView):
permission_required = 'agenda.can_manage_agenda'
def pre_redirect(self, request, *args, **kwargs):
self.assignment = Assignment.objects.get(pk=kwargs['assignment_id'])
self.item = Item(related_sid=self.assignment.sid)
self.item.save()
def get_redirect_url(self, **kwargs):
return reverse('item_overview')
class AssignmentPollPDF(PDFView):
permission_required = 'assignment.can_manage_assignment'
top_space = 0
def get(self, request, *args, **kwargs):
self.poll = AssignmentPoll.objects.get(id=self.kwargs['poll_id'])
return super(AssignmentPollPDF, self).get(request, *args, **kwargs)
def get_filename(self):
filename = u'%s-%s_%s' % (
_("Election"), self.poll.assignment.name.replace(' ', '_'),
self.poll.get_ballot())
return filename
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, story):
imgpath = os.path.join(settings.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(
_("Election") + ": " + self.poll.assignment.name,
stylesheet['Ballot_title']))
cell.append(Paragraph(
self.poll.assignment.polldescription,
stylesheet['Ballot_subtitle']))
options = self.poll.get_options()
ballot_string = _("%d. ballot") % self.poll.get_ballot()
candidate_string = ungettext(
"%d candidate", "%d candidates", len(options)) % len(options)
available_posts_string = ungettext(
"%d available post", "%d available posts",
self.poll.assignment.posts) % self.poll.assignment.posts
cell.append(Paragraph(
"%s, %s, %s" % (ballot_string, candidate_string,
available_posts_string), stylesheet['Ballot_description']))
cell.append(Spacer(0, 0.4 * cm))
data = []
# get ballot papers config values
ballot_papers_selection = config["assignment_pdf_ballot_papers_selection"]
ballot_papers_number = config["assignment_pdf_ballot_papers_number"]
# set number of ballot papers
if ballot_papers_selection == "NUMBER_OF_DELEGATES":
number = User.objects.filter(type__iexact="delegate").count()
elif ballot_papers_selection == "NUMBER_OF_ALL_PARTICIPANTS":
number = int(User.objects.count())
else: # ballot_papers_selection == "CUSTOM_NUMBER"
number = int(ballot_papers_number)
number = max(1, number)
# Choose kind of ballot paper
if self.poll.yesnoabstain:
for option in options:
candidate = option.candidate
cell.append(Paragraph(
candidate.clean_name, stylesheet['Ballot_option_name']))
if candidate.name_suffix:
cell.append(Paragraph(
"(%s)" % candidate.name_suffix,
stylesheet['Ballot_option_group']))
else:
cell.append(Paragraph(
"&nbsp;", stylesheet['Ballot_option_group']))
cell.append(Paragraph(
circle + _("Yes") + "&nbsp; " * 3 + circle
+ _("No") + "&nbsp; " * 3 + circle + _("Abstention"),
stylesheet['Ballot_option_YNA']))
# print ballot papers
for user in xrange(number / 2):
data.append([cell, cell])
rest = number % 2
if rest:
data.append([cell, ''])
if len(options) <= 2:
t = Table(data, 10.5 * cm, 7.42 * cm)
elif len(options) <= 5:
t = Table(data, 10.5 * cm, 14.84 * cm)
else:
t = Table(data, 10.5 * cm, 29.7 * cm)
else:
for option in options:
candidate = option.candidate
cell.append(Paragraph(
circle + candidate.clean_name,
stylesheet['Ballot_option_name']))
if candidate.name_suffix:
cell.append(Paragraph(
"(%s)" % candidate.name_suffix,
stylesheet['Ballot_option_group_right']))
else:
cell.append(Paragraph(
"&nbsp;", stylesheet['Ballot_option_group_right']))
# print ballot papers
for user in xrange(number / 2):
data.append([cell, cell])
rest = number % 2
if rest:
data.append([cell, ''])
if len(options) <= 4:
t = Table(data, 10.5 * cm, 7.42 * cm)
elif len(options) <= 8:
t = Table(data, 10.5 * cm, 14.84 * cm)
else:
t = Table(data, 10.5 * cm, 29.7 * cm)
t.setStyle(TableStyle([
('GRID', (0, 0), (-1, -1), 0.25, colors.grey),
('VALIGN', (0, 0), (-1, -1), 'TOP')]))
story.append(t)
class Config(FormView):
permission_required = 'config.can_manage_config'
form_class = ConfigForm
template_name = 'assignment/config.html'
def get_initial(self):
return {
'assignment_publish_winner_results_only':
config['assignment_publish_winner_results_only'],
'assignment_pdf_ballot_papers_selection':
config['assignment_pdf_ballot_papers_selection'],
'assignment_pdf_ballot_papers_number':
config['assignment_pdf_ballot_papers_number'],
'assignment_pdf_title': config['assignment_pdf_title'],
'assignment_pdf_preamble': config['assignment_pdf_preamble'],
'assignment_poll_vote_values':
config['assignment_poll_vote_values']}
def form_valid(self, form):
if form.cleaned_data['assignment_publish_winner_results_only']:
config['assignment_publish_winner_results_only'] = True
else:
config['assignment_publish_winner_results_only'] = False
config['assignment_pdf_ballot_papers_selection'] = \
form.cleaned_data['assignment_pdf_ballot_papers_selection']
config['assignment_pdf_ballot_papers_number'] = \
form.cleaned_data['assignment_pdf_ballot_papers_number']
config['assignment_pdf_title'] = \
form.cleaned_data['assignment_pdf_title']
config['assignment_pdf_preamble'] = \
form.cleaned_data['assignment_pdf_preamble']
config['assignment_poll_vote_values'] = \
form.cleaned_data['assignment_poll_vote_values']
messages.success(
self.request, _('Election settings successfully saved.'))
return super(Config, self).form_valid(form)
def register_tab(request):
selected = request.path.startswith('/assignment/')
return Tab(
title=_('Elections'),
url=reverse('assignment_overview'),
permission=(
request.user.has_perm('assignment.can_see_assignment') or
request.user.has_perm('assignment.can_nominate_other') or
request.user.has_perm('assignment.can_nominate_self') or
request.user.has_perm('assignment.can_manage_assignment')),
selected=selected,
)
def get_widgets(request):
return [
Widget(
name='assignments',
display_name=_('Elections'),
template='assignment/widget.html',
context={'assignments': Assignment.objects.all()},
permission_required='projector.can_manage_projector')]