690 lines
27 KiB
Python
690 lines
27 KiB
Python
from cgi import escape
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from django.contrib import messages
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from django.core.urlresolvers import reverse
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from django.utils.translation import ugettext as _
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from django.utils.translation import ungettext
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from reportlab.lib import colors
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from reportlab.lib.units import cm
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from reportlab.platypus import (PageBreak, Paragraph, SimpleDocTemplate, Spacer,
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LongTable, Table, TableStyle)
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from openslides.agenda.views import CreateRelatedAgendaItemView as _CreateRelatedAgendaItemView
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from openslides.config.api import config
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from openslides.users.models import Group, User # TODO: remove this
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from openslides.poll.views import PollFormView
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from openslides.utils.pdf import stylesheet
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from openslides.utils.rest_api import ModelViewSet
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from openslides.utils.utils import html_strong
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from openslides.utils.views import (CreateView, DeleteView, DetailView,
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ListView, PDFView,
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QuestionView, RedirectView,
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SingleObjectMixin, UpdateView)
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from .forms import AssignmentForm, AssignmentRunForm
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from .models import Assignment, AssignmentPoll
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from .serializers import AssignmentFullSerializer, AssignmentShortSerializer
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class AssignmentListView(ListView):
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"""
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Lists all assignments.
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"""
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required_permission = 'assignment.can_see_assignments'
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model = Assignment
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class AssignmentDetail(DetailView):
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"""
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Shows one assignment.
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"""
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# TODO: use another view as 'run form' when updating this to angular
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required_permission = 'assignment.can_see_assignments'
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model = Assignment
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form_class = AssignmentRunForm
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def get_context_data(self, *args, **kwargs):
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context = super().get_context_data(*args, **kwargs)
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assignment = self.get_object()
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if self.request.method == 'POST':
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context['form'] = self.form_class(self.request.POST)
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else:
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context['form'] = self.form_class()
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polls = assignment.polls.all()
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if not self.request.user.has_perm('assignment.can_manage_assignments'):
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polls = polls.filter(published=True)
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vote_results = assignment.vote_results(only_published=True)
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else:
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polls = self.get_object().polls.all()
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vote_results = assignment.vote_results(only_published=False)
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context['polls'] = polls
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context['vote_results'] = vote_results
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context['blocked_candidates'] = assignment.blocked
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context['user_is_candidate'] = assignment.is_candidate(self.request.user)
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return context
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def post(self, *args, **kwargs):
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if self.request.user.has_perm('assignment.can_nominate_other'):
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assignment = self.get_object()
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form = self.form_class(self.request.POST)
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if form.is_valid():
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user = form.cleaned_data['candidate']
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if (assignment.phase == assignment.PHASE_SEARCH or
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self.request.user.has_perm('assignment.can_manage_assignments')):
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if (assignment.is_blocked(user) and
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not self.request.user.has_perm('assignment.can_manage_assignments')):
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messages.error(
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self.request,
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_("User %s does not want to be an candidate") % user)
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elif assignment.is_elected(user):
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messages.error(
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self.request,
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_("User %s is already elected") % html_strong(user))
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elif assignment.is_candidate(user):
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messages.error(
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self.request,
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_("User %s is already an candidate") % html_strong(user))
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else:
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assignment.set_candidate(user)
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messages.success(
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self.request,
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_("User %s was nominated successfully.") % html_strong(user))
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else:
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messages.error(
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self.request,
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_("You can not add candidates to this assignment"))
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return super(AssignmentDetail, self).get(*args, **kwargs)
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class AssignmentCreateView(CreateView):
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required_permission = 'assignment.can_manage_assignments'
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model = Assignment
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form_class = AssignmentForm
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class AssignmentUpdateView(UpdateView):
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required_permission = 'assignment.can_manage_assignments'
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model = Assignment
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form_class = AssignmentForm
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class AssignmentDeleteView(DeleteView):
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required_permission = 'assignment.can_manage_assignments'
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model = Assignment
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success_url_name = 'assignment_list'
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class AssignmentSetPhaseView(SingleObjectMixin, RedirectView):
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required_permission = 'assignment.can_manage_assignments'
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model = Assignment
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url_name = 'assignment_detail'
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def pre_redirect(self, *args, **kwargs):
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phase = int(kwargs.get('phase'))
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assignment = self.get_object()
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try:
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assignment.set_phase(phase)
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except ValueError as e:
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messages.error(self.request, e)
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else:
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assignment.save()
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messages.success(
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self.request,
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_('Election status was set to: %s.') %
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html_strong(assignment.get_phase_display()))
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class AssignmentCandidateView(SingleObjectMixin, RedirectView):
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required_permission = 'assignment.can_nominate_self'
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model = Assignment
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url_name = 'assignment_detail'
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def pre_redirect(self, *args, **kwargs):
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assignment = self.get_object()
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if (assignment.phase == assignment.PHASE_SEARCH or
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self.request.user.has_perm('assignment.can_manage_assignments')):
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user = self.request.user
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if assignment.is_elected(user):
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messages.error(
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self.request,
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_("You are already elected"))
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elif assignment.is_candidate(user):
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messages.error(
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self.request,
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_("You are already an candidate"))
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else:
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assignment.set_candidate(user)
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messages.success(
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self.request,
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_("You were nominated successfully."))
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else:
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messages.error(
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self.request,
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_("You can not candidate to this assignment"))
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class AssignmentDeleteCandidateshipView(SingleObjectMixin, RedirectView):
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required_permission = None # Any user can withdraw his candidature
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model = Assignment
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url_name = 'assignment_detail'
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def pre_redirect(self, *args, **kwargs):
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assignment = self.get_object()
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if (assignment.phase == assignment.PHASE_SEARCH or
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self.request.user.has_perm('assignment.can_manage_assignments')):
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user = self.request.user
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assignment.set_blocked(user)
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messages.success(self.request, _(
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'You have withdrawn your candidature successfully. '
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'You can not be nominated by other participants anymore.'))
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else:
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messages.error(self.request, _('The candidate list is already closed.'))
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class AssignmentDeleteCandidateshipOtherView(SingleObjectMixin, QuestionView):
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required_permission = 'assignment.can_manage_assignments'
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model = Assignment
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def get_question_message(self):
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self.user = User.objects.get(pk=self.kwargs.get('user_pk'))
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assignment = self.get_object()
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if assignment.is_blocked:
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question = _("Do you really want to unblock %s for the election?") % html_strong(self.user)
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else:
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question = _("Do you really want to withdraw %s from the election?") % html_strong(self.user)
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return question
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def on_clicked_yes(self):
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self.user = User.objects.get(pk=self.kwargs.get('user_pk'))
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assignment = self.get_object()
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if not assignment.is_elected(self.user):
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assignment.delete_related_user(self.user)
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self.error = False
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else:
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self.error = _("User %s is already elected") % html_strong(self.user)
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def create_final_message(self):
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if self.error:
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messages.error(self.request, self.error)
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else:
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messages.success(self.request, self.get_final_message())
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def get_final_message(self):
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return _("Candidate %s was withdrawn successfully.") % html_strong(self.user)
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class AssignmentViewSet(ModelViewSet):
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"""
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API endpoint to list, retrieve, create, update and destroy assignments.
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"""
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queryset = Assignment.objects.all()
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def check_permissions(self, request):
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"""
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Calls self.permission_denied() if the requesting user has not the
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permission to see assignments and in case of create, update or destroy
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requests the permission to manage assignments.
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"""
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if (not request.user.has_perm('assignment.can_see_assignments') or
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(self.action in ('create', 'update', 'destroy') and not
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request.user.has_perm('assignment.can_manage_assignments'))):
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self.permission_denied(request)
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def get_serializer_class(self):
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"""
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Returns different serializer classes with respect to users permissions.
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"""
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if self.request.user.has_perm('assignment.can_manage_assignments'):
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serializer_class = AssignmentFullSerializer
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else:
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serializer_class = AssignmentShortSerializer
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return serializer_class
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class PollCreateView(SingleObjectMixin, RedirectView):
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required_permission = 'assignment.can_manage_assignments'
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model = Assignment
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url_name = 'assignment_detail'
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def pre_redirect(self, *args, **kwargs):
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self.get_object().create_poll()
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messages.success(self.request, _("New ballot was successfully created."))
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class PollUpdateView(PollFormView):
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required_permission = 'assignment.can_manage_assignments'
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poll_class = AssignmentPoll
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template_name = 'assignment/assignmentpoll_form.html'
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def get_context_data(self, **kwargs):
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context = super(PollUpdateView, self).get_context_data(**kwargs)
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self.assignment = self.poll.get_assignment()
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context['assignment'] = self.assignment
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context['poll'] = self.poll
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context['polls'] = self.assignment.polls.all()
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context['ballotnumber'] = self.poll.get_ballot()
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return context
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def get_success_url(self):
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if 'apply' not in self.request.POST:
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return_url = reverse('assignment_detail', args=[self.poll.assignment.id])
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else:
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return_url = ''
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return return_url
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class SetPublishPollView(SingleObjectMixin, RedirectView):
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required_permission = 'assignment.can_manage_assignments'
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model = AssignmentPoll
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url_name = 'assignment_detail'
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allow_ajax = True
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publish = False
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def get_ajax_context(self, **context):
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return super().get_ajax_context(
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published=self.object.published,
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**context)
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def pre_redirect(self, *args, **kwargs):
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poll = self.get_object()
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poll.set_published(kwargs['publish'])
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class SetElectedView(SingleObjectMixin, RedirectView):
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required_permission = 'assignment.can_manage_assignments'
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model = Assignment
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url_name = 'assignment_detail'
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allow_ajax = True
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def pre_redirect(self, *args, **kwargs):
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self.person = User.objects.get(pk=kwargs['user_id'])
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self.elected = kwargs['elected']
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# TODO: un-elect users if self.elected is False
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self.get_object().set_elected(self.person)
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def get_ajax_context(self, **kwargs):
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if self.elected:
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link = reverse('assignment_user_not_elected',
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args=[self.get_object().id, self.person.person_id])
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text = _('not elected')
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else:
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link = reverse('assignment_user_elected',
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args=[self.get_object().id, self.person.person_id])
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text = _('elected')
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return {'elected': self.elected, 'link': link, 'text': text}
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class AssignmentPollDeleteView(DeleteView):
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"""
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Delete an assignment poll object.
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"""
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required_permission = 'assignment.can_manage_assignments'
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model = AssignmentPoll
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def pre_redirect(self, request, *args, **kwargs):
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self.set_assignment()
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super().pre_redirect(request, *args, **kwargs)
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def pre_post_redirect(self, request, *args, **kwargs):
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self.set_assignment()
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super().pre_post_redirect(request, *args, **kwargs)
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def set_assignment(self):
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self.assignment = self.get_object().assignment
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def get_redirect_url(self, **kwargs):
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return reverse('assignment_detail', args=[self.assignment.id])
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def get_final_message(self):
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return _('Ballot was successfully deleted.')
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class AssignmentPDF(PDFView):
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required_permission = 'assignment.can_see_assignments'
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top_space = 0
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def get_filename(self):
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try:
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assignment = Assignment.objects.get(pk=self.kwargs['pk'])
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filename = u'%s-%s' % (
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_("Assignment"),
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assignment.title.replace(' ', '_'))
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except:
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filename = _("Elections")
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return filename
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def append_to_pdf(self, story):
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try:
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assignment_pk = self.kwargs['pk']
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except KeyError:
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assignment_pk = None
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if assignment_pk is None: # print all assignments
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title = escape(config["assignment_pdf_title"])
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story.append(Paragraph(title, stylesheet['Heading1']))
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preamble = escape(config["assignment_pdf_preamble"])
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if preamble:
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story.append(Paragraph(
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"%s" % preamble.replace('\r\n', '<br/>'),
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stylesheet['Paragraph']))
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story.append(Spacer(0, 0.75 * cm))
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assignments = Assignment.objects.all()
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if not assignments: # No assignments existing
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story.append(Paragraph(
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_("No assignments available."), stylesheet['Heading3']))
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else: # Print all assignments
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# List of assignments
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for assignment in assignments:
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story.append(Paragraph(
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escape(assignment.title), stylesheet['Heading3']))
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# Assignment details (each assignment on single page)
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for assignment in assignments:
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story.append(PageBreak())
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# append the assignment to the story-object
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self.get_assignment(assignment, story)
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else: # print selected assignment
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assignment = Assignment.objects.get(pk=assignment_pk)
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# append the assignment to the story-object
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self.get_assignment(assignment, story)
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def get_assignment(self, assignment, story):
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# title
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story.append(Paragraph(
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_("Election: %s") % escape(assignment.title), stylesheet['Heading1']))
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story.append(Spacer(0, 0.5 * cm))
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# Filling table rows...
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data = []
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polls = assignment.polls.filter(published=True)
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# 1. posts
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data.append([
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Paragraph("%s:" %
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_("Number of members to be elected"), stylesheet['Bold']),
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Paragraph(str(assignment.open_posts), stylesheet['Paragraph'])])
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# 2a. if no polls available print candidates
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if not polls:
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data.append([
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Paragraph("%s:<seqreset id='counter'>" %
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_("Candidates"), stylesheet['Heading4']),
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[]])
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for candidate in assignment.candidates:
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data.append([
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[],
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Paragraph("<seq id='counter'/>. %s" % candidate,
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stylesheet['Signaturefield'])])
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if assignment.phase == assignment.PHASE_SEARCH:
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for x in range(0, 7):
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data.append([
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[],
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Paragraph("<seq id='counter'/>. "
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"__________________________________________",
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stylesheet['Signaturefield'])])
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# 2b. if polls available print election result
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if polls:
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# Preparing
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vote_results = assignment.vote_results(only_published=True)
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data_votes = []
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# Left side
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cell = []
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cell.append(Paragraph(
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"%s:" % (_("Election result")), stylesheet['Heading4']))
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# Add table head row
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headrow = []
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headrow.append(_("Candidates"))
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for poll in polls:
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headrow.append("%s. %s" % (poll.get_ballot(), _("ballot")))
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data_votes.append(headrow)
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# Add result rows
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elected_candidates = list(assignment.elected)
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length = len(vote_results)
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for candidate, poll_list in vote_results.iteritems():
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row = []
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candidate_string = candidate.clean_name
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if candidate in elected_candidates:
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candidate_string = "* " + candidate_string
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if candidate.name_suffix and length < 20:
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candidate_string += "\n(%s)" % candidate.name_suffix
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row.append(candidate_string)
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for vote in poll_list:
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if vote is None:
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row.append('–')
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elif 'Yes' in vote and 'No' in vote and 'Abstain' in vote:
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row.append(
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_("Y: %(YES)s\nN: %(NO)s\nA: %(ABSTAIN)s")
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% {'YES': vote['Yes'], 'NO': vote['No'],
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'ABSTAIN': vote['Abstain']})
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elif 'Votes' in vote:
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row.append(vote['Votes'])
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else:
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pass
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data_votes.append(row)
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# Add valid votes row
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footrow_one = []
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footrow_one.append(_("Valid votes"))
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votesvalid_is_used = False
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for poll in polls:
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footrow_one.append(poll.print_votesvalid())
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if poll.votesvalid is not None:
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votesvalid_is_used = True
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if votesvalid_is_used:
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data_votes.append(footrow_one)
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# Add invalid votes row
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footrow_two = []
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footrow_two.append(_("Invalid votes"))
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votesinvalid_is_used = False
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for poll in polls:
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footrow_two.append(poll.print_votesinvalid())
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if poll.votesinvalid is not None:
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votesinvalid_is_used = True
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if votesinvalid_is_used:
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data_votes.append(footrow_two)
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# Add votes cast row
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footrow_three = []
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footrow_three.append(_("Votes cast"))
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votescast_is_used = False
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for poll in polls:
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footrow_three.append(poll.print_votescast())
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if poll.votescast is not None:
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votescast_is_used = True
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if votescast_is_used:
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data_votes.append(footrow_three)
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table_votes = Table(data_votes)
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table_votes.setStyle(
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TableStyle([
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('GRID', (0, 0), (-1, -1), 0.5, colors.grey),
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('VALIGN', (0, 0), (-1, -1), 'TOP'),
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('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)))
|
||
])
|
||
)
|
||
data.append([cell, table_votes])
|
||
if elected_candidates:
|
||
data.append(['', '* = ' + _('elected')])
|
||
|
||
# table style
|
||
data.append(['', ''])
|
||
t = LongTable(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))
|
||
|
||
# election description
|
||
story.append(
|
||
Paragraph("%s" % escape(assignment.description).replace('\r\n', '<br/>'),
|
||
stylesheet['Paragraph']))
|
||
|
||
|
||
class CreateRelatedAgendaItemView(_CreateRelatedAgendaItemView):
|
||
"""
|
||
View to create and agenda item for an assignment.
|
||
"""
|
||
model = Assignment
|
||
|
||
|
||
class AssignmentPollPDF(PDFView):
|
||
required_permission = 'assignment.can_manage_assignments'
|
||
top_space = 0
|
||
|
||
def get(self, request, *args, **kwargs):
|
||
self.poll = AssignmentPoll.objects.get(pk=self.kwargs['poll_pk'])
|
||
return super().get(request, *args, **kwargs)
|
||
|
||
def get_filename(self):
|
||
filename = u'%s-%s_%s' % (
|
||
_("Election"), self.poll.assignment.title.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):
|
||
circle = "*" # = Unicode Character 'HEAVY LARGE CIRCLE' (U+2B55)
|
||
cell = []
|
||
cell.append(Spacer(0, 0.8 * cm))
|
||
cell.append(Paragraph(
|
||
_("Election") + ": " + self.poll.assignment.title,
|
||
stylesheet['Ballot_title']))
|
||
cell.append(Paragraph(
|
||
self.poll.description or '',
|
||
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.open_posts) % self.poll.assignment.open_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":
|
||
try:
|
||
if Group.objects.get(pk=3):
|
||
number = User.objects.filter(groups__pk=3).count()
|
||
except Group.DoesNotExist:
|
||
number = 0
|
||
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)
|
||
|
||
counter = 0
|
||
cellcolumnA = []
|
||
# Choose kind of ballot paper (YesNoAbstain or Yes)
|
||
if self.poll.yesnoabstain: # YesNoAbstain ballot: max 27 candidates
|
||
for option in options:
|
||
counter += 1
|
||
candidate = option.candidate
|
||
cell.append(Paragraph(
|
||
candidate.get_short_name(), stylesheet['Ballot_option_name_YNA']))
|
||
if candidate.structure_level:
|
||
cell.append(Paragraph(
|
||
"(%s)" % candidate.structure_level,
|
||
stylesheet['Ballot_option_suffix_YNA']))
|
||
else:
|
||
cell.append(Paragraph(
|
||
" ", stylesheet['Ballot_option_suffix_YNA']))
|
||
cell.append(Paragraph("<font name='circlefont' size='15'>%(circle)s</font> \
|
||
<font name='Ubuntu'>%(yes)s </font> \
|
||
<font name='circlefont' size='15'>%(circle)s</font> \
|
||
<font name='Ubuntu'>%(no)s </font> \
|
||
<font name='circlefont' size='15'>%(circle)s</font> \
|
||
<font name='Ubuntu'>%(abstain)s</font>" %
|
||
{'circle': circle,
|
||
'yes': _("Yes"),
|
||
'no': _("No"),
|
||
'abstain': _("Abstention")},
|
||
stylesheet['Ballot_option_circle_YNA']))
|
||
if counter == 13:
|
||
cellcolumnA = cell
|
||
cell = []
|
||
cell.append(Spacer(0, 1.3 * cm))
|
||
|
||
# print ballot papers
|
||
for user in range(number // 2):
|
||
if len(options) > 13:
|
||
data.append([cellcolumnA, cell])
|
||
else:
|
||
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: # Yes ballot: max 46 candidates
|
||
for option in options:
|
||
counter += 1
|
||
candidate = option.candidate
|
||
cell.append(Paragraph("<font name='circlefont' size='15'>%s</font> \
|
||
<font name='Ubuntu'>%s</font>" %
|
||
(circle, candidate.clean_name), stylesheet['Ballot_option_name']))
|
||
if candidate.structure_level:
|
||
cell.append(Paragraph(
|
||
"(%s)" % candidate.structure_level,
|
||
stylesheet['Ballot_option_suffix']))
|
||
else:
|
||
cell.append(Paragraph(
|
||
" ", stylesheet['Ballot_option_suffix']))
|
||
if counter == 22:
|
||
cellcolumnA = cell
|
||
cell = []
|
||
cell.append(Spacer(0, 0.75 * cm))
|
||
|
||
# print ballot papers
|
||
for user in range(number // 2):
|
||
if len(options) > 22:
|
||
data.append([cellcolumnA, cell])
|
||
else:
|
||
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)
|