OpenSlides/openslides/assignment/views.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
openslides.assignment.views
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Views for the assignment app.
:copyright: 2011 by the OpenSlides team, see AUTHORS.
:license: GNU GPL, see LICENSE for more details.
"""
from django.shortcuts import redirect
from django.core.urlresolvers import reverse
from django.contrib import messages
from django.contrib.auth.decorators import login_required
from django.utils.translation import ugettext as _
from reportlab.lib import colors
from reportlab.lib.units import cm
from reportlab.platypus import PageBreak, Paragraph, Spacer, Table, TableStyle
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from config.models import config
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from utils.utils import template, permission_required, gen_confirm_form, del_confirm_form, ajax_request
from utils.pdf import print_assignment_poll
from utils.pdf import stylesheet
from utils.views import FormView, DeleteView, PDFView
from utils.template import Tab
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from poll.views import PollFormView
from assignment.models import Assignment, AssignmentPoll, AssignmentOption
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from assignment.forms import AssignmentForm, AssignmentRunForm, ConfigForm
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from participant.models import Profile
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@permission_required('assignment.can_see_assignment')
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@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:
query = query.order_by('name')
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if 'reverse' in request.GET:
query = query.reverse()
assignments = query.all()
return {
'assignments': assignments,
}
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@permission_required('assignment.can_see_assignment')
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@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)
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if form.is_valid():
user = form.cleaned_data['candidate']
try:
assignment.run(user)
messages.success(request, _("Candidate <b>%s</b> was nominated successfully.") % (user))
except NameError, e:
messages.error(request, e)
else:
if request.user.has_perm('assignment.can_nominate_other'):
form = AssignmentRunForm()
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votes = []
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for candidate in assignment.candidates:
tmplist = [[candidate, assignment.is_elected(candidate)], []]
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for poll in assignment.poll_set.all():
if (poll.published and not request.user.has_perm('assignment.can_manage_assignment')) or request.user.has_perm('assignment.can_manage_assignment'):
# candidate exists in poll
if poll.get_options().filter(candidate=candidate).exists():
option = AssignmentOption.objects.filter(poll=poll).get(candidate=candidate)
try:
tmplist[1].append(option.get_votes()[0])
except IndexError:
tmplist[1].append('')
else:
tmplist[1].append("-")
votes.append(tmplist)
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polls = assignment.poll_set.all()
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return {
'assignment': assignment,
'form': form,
'votes': votes,
'polls': polls,
}
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@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)
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if form.is_valid():
assignment = form.save()
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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.'))
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else:
form = AssignmentForm(instance=assignment)
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return {
'form': form,
'assignment': assignment,
}
@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
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.profile)
messages.success(request, _('You have set your candidature successfully.') )
except NameError, e:
messages.error(request, e)
except Profile.DoesNotExist:
messages.error(request,
_("You can't candidate. Your user account is only for administration."))
return redirect(reverse('assignment_view', args=assignment_id))
@login_required
def delrun(request, assignment_id):
assignment = Assignment.objects.get(pk=assignment_id)
assignment.delrun(request.user.profile)
messages.success(request, _("You have withdrawn your candidature successfully.") )
return redirect(reverse('assignment_view', args=assignment_id))
@permission_required('assignment.can_manage_assignment')
def delother(request, assignment_id, profile_id):
assignment = Assignment.objects.get(pk=assignment_id)
profile = Profile.objects.get(pk=profile_id)
if request.method == 'POST':
assignment.delrun(profile)
messages.success(request, _("Candidate <b>%s</b> was withdrawn successfully.") % (profile))
else:
gen_confirm_form(request,
_("Do you really want to withdraw <b>%s</b> from the election?") \
% profile, reverse('assignment_delother', args=[assignment_id, profile_id]))
return redirect(reverse('assignment_view', args=assignment_id))
@permission_required('assignment.can_manage_application')
def set_active(request, assignment_id):
assignment = Assignment.objects.get(pk=assignment_id)
assignment.set_active()
return redirect(reverse('assignment_view', args=[assignment_id]))
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@permission_required('assignment.can_manage_assignment')
def gen_poll(request, assignment_id):
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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]))
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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['application'] = self.assignment
return context
def get_success_url(self):
if not 'apply' in self.request.POST:
return reverse('assignment_view', args=[self.poll.assignment.id])
return ''
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@permission_required('assignment.can_manage_assignment')
def set_published(request, poll_id, published=True):
try:
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poll = AssignmentPoll.objects.get(pk=poll_id)
poll.set_published(published)
if poll.published:
messages.success(request, _("Poll successfully set to published.") )
else:
messages.success(request, _("Poll successfully set to unpublished.") )
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except AssignmentPoll.DoesNotExist:
messages.error(request, _('Poll ID %d does not exist.') % int(poll_id))
return redirect(reverse('assignment_view', args=[poll.assignment.id]))
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@permission_required('assignment.can_manage_assignment')
def set_elected(request, assignment_id, profile_id, elected=True):
assignment = Assignment.objects.get(pk=assignment_id)
profile = Profile.objects.get(pk=profile_id)
assignment.set_elected(profile, elected)
if request.is_ajax():
if elected:
link = reverse('assignment_user_not_elected', args=[assignment.id, profile.id])
text = _('not elected')
else:
link = reverse('assignment_user_elected', args=[assignment.id, profile.id])
text = _('elected')
return ajax_request({'elected': elected,
'link': link,
'text': text})
return redirect(reverse('assignment_view', args=[assignment_id]))
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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])
class AssignmentPDF(PDFView):
permission_required = 'assignment.can_manage_assignment'
filename = u'filename=%s.pdf;' % _("Elections")
top_space = 0
document_title = None
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 applications
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))
# List of assignments
for assignment in Assignment.objects.order_by('name'):
story.append(Paragraph(assignment.name, stylesheet['Heading3']))
# Assignment details (each assignment on single page)
for assignment in Assignment.objects.order_by('name'):
story.append(PageBreak())
story = self.get_assignment(assignment, story)
else: # print selected assignment
assignment = Assignment.objects.get(id=assignment_id)
filename = u'filename=%s-%s.pdf;' % (_("Assignment"), assignment.name.replace(' ','_'))
story = 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 c in assignment.profile.all():
cell2b.append(Paragraph("<seq id='counter'/>.&nbsp; %s" % unicode(c), 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
table_votes = []
results = self.get_assignment_votes(assignment)
cell3a = []
cell3a.append(Paragraph("%s:" % (_("Vote results")), stylesheet['Heading4']))
if len(results) > 0:
if len(results[0]) >= 1:
cell3a.append(Paragraph("%s %s" % (len(results[0][1]), _("ballots")), stylesheet['Normal']))
if len(results[0][1]) > 0:
data_votes = []
# add table head row
headrow = []
headrow.append(_("Candidates"))
for i in range (0,len(results[0][1])):
headrow.append("%s." %(str(i+1)))
data_votes.append(headrow)
# add result rows
for candidate in results:
row = []
if candidate[0][1]:
elected = "* "
else:
elected = ""
c = str(candidate[0][0]).split("(",1)
if len(c) > 1:
row.append(elected+c[0]+"\n"+"("+c[1])
else:
row.append(elected+str(candidate[0][0]))
for votes in candidate[1]:
if type(votes) == type(list()):
tmp = _("Y")+": "+str(votes[0])+"\n"
tmp += _("N")+": "+str(votes[1])+"\n"
tmp += _("A")+": "+str(votes[2])
row.append(tmp)
else:
row.append(str(votes))
data_votes.append(row)
polls = []
for poll in assignment.poll_set.filter(assignment=assignment):
polls.append(poll)
# votes invalid
row = []
row.append(_("Invalid votes"))
for p in polls:
if p.published:
row.append(p.votesinvalid)
data_votes.append(row)
# votes cast
row = []
row.append(_("Votes cast"))
for p in polls:
if p.published:
row.append(p.votescast)
data_votes.append(row)
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 table_votes:
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']))
return story
def get_assignment_votes(self, assignment):
votes = []
for candidate in assignment.candidates:
tmplist = [[candidate, assignment.is_elected(candidate)], []]
for poll in assignment.poll_set.all():
if poll.published:
if poll.get_options().filter(candidate=candidate).exists():
option = AssignmentOption.objects.filter(poll=poll).get(candidate=candidate)
try:
tmplist[1].append(option.get_votes()[0])
except IndexError:
tmplist[1].append('')
else:
tmplist[1].append("-")
votes.append(tmplist)
return votes
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class Config(FormView):
permission_required = 'config.can_manage_config'
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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'],
}
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']
messages.success(self.request, _('Election settings successfully saved.'))
return super(Config, self).form_valid(form)
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def register_tab(request):
selected = True if request.path.startswith('/assignment/') else False
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,
)