mirror of
https://github.com/ae-utbm/sith.git
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575 lines
21 KiB
Python
575 lines
21 KiB
Python
from django.shortcuts import get_object_or_404
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from django.views.generic import ListView, DetailView
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from django.views.generic.edit import UpdateView, CreateView
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from django.views.generic.edit import DeleteView, FormView
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from django.core.urlresolvers import reverse_lazy
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from django.utils.translation import ugettext_lazy as _
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from django.core.exceptions import PermissionDenied
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from django.db import transaction
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from django.forms import CheckboxSelectMultiple
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from django.shortcuts import redirect
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from django import forms
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from core.views import CanViewMixin, CanEditMixin, CanCreateMixin
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from django.db.models.query import QuerySet
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from core.views.forms import SelectDateTime
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from election.models import Election, Role, Candidature, ElectionList, Vote
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from ajax_select.fields import AutoCompleteSelectField
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from ajax_select import make_ajax_field
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# Custom form field
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class LimitedCheckboxField(forms.ModelMultipleChoiceField):
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"""
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Used to replace ModelMultipleChoiceField but with
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automatic backend verification
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"""
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def __init__(self, queryset, max_choice, required=True, widget=None,
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label=None, initial=None, help_text='', *args, **kwargs):
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self.max_choice = max_choice
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widget = forms.CheckboxSelectMultiple()
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super(LimitedCheckboxField,
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self).__init__(queryset, None, required, widget,
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label, initial, help_text, *args, **kwargs)
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def clean(self, value):
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qs = super(LimitedCheckboxField, self).clean(value)
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self.validate(qs)
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return qs
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def validate(self, qs):
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if qs.count() > self.max_choice:
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raise forms.ValidationError(_("You have selected too much candidates."), code='invalid')
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# Forms
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class CandidateForm(forms.ModelForm):
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""" Form to candidate """
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class Meta:
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model = Candidature
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fields = ['user', 'role', 'program', 'election_list']
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widgets = {
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'program': forms.Textarea
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}
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user = AutoCompleteSelectField('users', label=_('User to candidate'), help_text=None, required=True)
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def __init__(self, *args, **kwargs):
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election_id = kwargs.pop('election_id', None)
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can_edit = kwargs.pop('can_edit', False)
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super(CandidateForm, self).__init__(*args, **kwargs)
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if election_id:
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self.fields['role'].queryset = Role.objects.filter(election__id=election_id).all()
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self.fields['election_list'].queryset = ElectionList.objects.filter(election__id=election_id).all()
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if not can_edit:
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self.fields['user'].widget = forms.HiddenInput()
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class VoteForm(forms.Form):
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def __init__(self, election, user, *args, **kwargs):
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super(VoteForm, self).__init__(*args, **kwargs)
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if not election.has_voted(user):
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for role in election.roles.all():
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cand = role.candidatures
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if role.max_choice > 1:
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self.fields[role.title] = LimitedCheckboxField(cand, role.max_choice, required=False)
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else:
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self.fields[role.title] = forms.ModelChoiceField(cand, required=False,
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widget=forms.RadioSelect(),
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empty_label=_("Blank vote"))
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class RoleForm(forms.ModelForm):
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""" Form for creating a role """
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class Meta:
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model = Role
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fields = ['title', 'election', 'description', 'max_choice']
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def __init__(self, *args, **kwargs):
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election_id = kwargs.pop('election_id', None)
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super(RoleForm, self).__init__(*args, **kwargs)
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if election_id:
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self.fields['election'].queryset = Election.objects.filter(id=election_id).all()
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def clean(self):
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cleaned_data = super(RoleForm, self).clean()
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title = cleaned_data.get('title')
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election = cleaned_data.get('election')
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if Role.objects.filter(title=title, election=election).exists():
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raise forms.ValidationError(_("This role already exists for this election"), code='invalid')
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class ElectionListForm(forms.ModelForm):
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class Meta:
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model = ElectionList
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fields = ('title', 'election')
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def __init__(self, *args, **kwargs):
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election_id = kwargs.pop('election_id', None)
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super(ElectionListForm, self).__init__(*args, **kwargs)
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if election_id:
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self.fields['election'].queryset = Election.objects.filter(id=election_id).all()
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class ElectionForm(forms.ModelForm):
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class Meta:
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model = Election
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fields = ['title', 'description', 'archived',
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'start_candidature', 'end_candidature',
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'start_date', 'end_date',
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'edit_groups', 'view_groups',
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'vote_groups', 'candidature_groups']
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edit_groups = make_ajax_field(Election, 'edit_groups', 'groups', help_text="", label=_("edit groups"))
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view_groups = make_ajax_field(Election, 'view_groups', 'groups', help_text="", label=_("view groups"))
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vote_groups = make_ajax_field(Election, 'vote_groups', 'groups', help_text="", label=_("vote groups"))
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candidature_groups = make_ajax_field(Election, 'candidature_groups', 'groups', help_text="", label=_("candidature groups"))
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start_date = forms.DateTimeField(['%Y-%m-%d %H:%M:%S'], label=_("Start date"),
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widget=SelectDateTime, required=True)
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end_date = forms.DateTimeField(['%Y-%m-%d %H:%M:%S'], label=_("End date"),
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widget=SelectDateTime, required=True)
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start_candidature = forms.DateTimeField(['%Y-%m-%d %H:%M:%S'], label=_("Start candidature"),
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widget=SelectDateTime, required=True)
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end_candidature = forms.DateTimeField(['%Y-%m-%d %H:%M:%S'], label=_("End candidature"),
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widget=SelectDateTime, required=True)
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# Display elections
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class ElectionsListView(CanViewMixin, ListView):
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"""
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A list of all non archived elections visible
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"""
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model = Election
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ordering = ["-id"]
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paginate_by = 10
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template_name = 'election/election_list.jinja'
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def get_queryset(self):
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return super(ElectionsListView, self).get_queryset().filter(archived=False).all()
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class ElectionListArchivedView(CanViewMixin, ListView):
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"""
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A list of all archived elections visible
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"""
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model = Election
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ordering = ["-id"]
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paginate_by = 10
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template_name = 'election/election_list.jinja'
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def get_queryset(self):
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return super(ElectionListArchivedView, self).get_queryset().filter(archived=True).all()
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class ElectionDetailView(CanViewMixin, DetailView):
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"""
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Details an election responsability by responsability
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"""
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model = Election
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template_name = 'election/election_detail.jinja'
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pk_url_kwarg = "election_id"
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def get(self, request, *arg, **kwargs):
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r = super(ElectionDetailView, self).get(request, *arg, **kwargs)
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election = self.get_object()
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if request.user.can_edit(election) and election.is_vote_editable:
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action = request.GET.get('action', None)
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role = request.GET.get('role', None)
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if action and role and Role.objects.filter(id=role).exists():
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if action == "up":
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Role.objects.get(id=role).up()
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elif action == "down":
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Role.objects.get(id=role).down()
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elif action == "bottom":
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Role.objects.get(id=role).bottom()
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elif action == "top":
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Role.objects.get(id=role).top()
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return redirect(reverse_lazy('election:detail', kwargs={'election_id': election.id}))
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return r
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def get_context_data(self, **kwargs):
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""" Add additionnal data to the template """
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kwargs = super(ElectionDetailView, self).get_context_data(**kwargs)
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kwargs['election_form'] = VoteForm(self.object, self.request.user)
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kwargs['election_results'] = self.object.results
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return kwargs
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# Form view
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class VoteFormView(CanCreateMixin, FormView):
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"""
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Alows users to vote
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"""
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form_class = VoteForm
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template_name = 'election/election_detail.jinja'
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def dispatch(self, request, *arg, **kwargs):
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self.election = get_object_or_404(Election, pk=kwargs['election_id'])
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return super(VoteFormView, self).dispatch(request, *arg, **kwargs)
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def vote(self, election_data):
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with transaction.atomic():
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for role_title in election_data.keys():
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# If we have a multiple choice field
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if isinstance(election_data[role_title], QuerySet):
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if election_data[role_title].count() > 0:
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vote = Vote(role=election_data[role_title].first().role)
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vote.save()
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for el in election_data[role_title]:
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vote.candidature.add(el)
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# If we have a single choice
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elif election_data[role_title] is not None:
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vote = Vote(role=election_data[role_title].role)
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vote.save()
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vote.candidature.add(election_data[role_title])
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self.election.voters.add(self.request.user)
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def get_form_kwargs(self):
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kwargs = super(VoteFormView, self).get_form_kwargs()
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kwargs['election'] = self.election
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kwargs['user'] = self.request.user
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return kwargs
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def form_valid(self, form):
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"""
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Verify that the user is part in a vote group
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"""
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data = form.clean()
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res = super(FormView, self).form_valid(form)
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for grp in self.election.vote_groups.all():
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if self.request.user.is_in_group(grp):
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self.vote(data)
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return res
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return res
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def get_success_url(self, **kwargs):
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return reverse_lazy('election:detail', kwargs={'election_id': self.election.id})
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def get_context_data(self, **kwargs):
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""" Add additionnal data to the template """
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kwargs = super(VoteFormView, self).get_context_data(**kwargs)
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kwargs['object'] = self.election
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kwargs['election'] = self.election
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kwargs['election_form'] = self.get_form()
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return kwargs
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# Create views
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class CandidatureCreateView(CanCreateMixin, CreateView):
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"""
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View dedicated to a cundidature creation
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"""
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form_class = CandidateForm
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model = Candidature
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template_name = 'election/candidate_form.jinja'
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def dispatch(self, request, *arg, **kwargs):
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self.election = get_object_or_404(Election, pk=kwargs['election_id'])
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return super(CandidatureCreateView, self).dispatch(request, *arg, **kwargs)
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def get_initial(self):
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init = {}
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self.can_edit = self.request.user.can_edit(self.election)
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init['user'] = self.request.user.id
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return init
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def get_form_kwargs(self):
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kwargs = super(CandidatureCreateView, self).get_form_kwargs()
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kwargs['election_id'] = self.election.id
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kwargs['can_edit'] = self.can_edit
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return kwargs
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def form_valid(self, form):
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"""
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Verify that the selected user is in candidate group
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"""
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obj = form.instance
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obj.election = Election.objects.get(id=self.election.id)
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if(obj.election.can_candidate(obj.user)) and (obj.user == self.request.user or self.can_edit):
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return super(CreateView, self).form_valid(form)
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raise PermissionDenied
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def get_context_data(self, **kwargs):
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kwargs = super(CandidatureCreateView, self).get_context_data(**kwargs)
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kwargs['election'] = self.election
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return kwargs
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def get_success_url(self, **kwargs):
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return reverse_lazy('election:detail', kwargs={'election_id': self.election.id})
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class ElectionCreateView(CanCreateMixin, CreateView):
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model = Election
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form_class = ElectionForm
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template_name = 'core/create.jinja'
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def dispatch(self, request, *args, **kwargs):
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if not request.user.is_subscribed:
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raise PermissionDenied
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return super(ElectionCreateView, self).dispatch(request, *args, **kwargs)
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def form_valid(self, form):
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"""
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Allow every users that had passed the dispatch
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to create an election
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"""
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return super(CreateView, self).form_valid(form)
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def get_success_url(self, **kwargs):
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return reverse_lazy('election:detail', kwargs={'election_id': self.object.id})
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class RoleCreateView(CanCreateMixin, CreateView):
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model = Role
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form_class = RoleForm
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template_name = 'core/create.jinja'
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def dispatch(self, request, *arg, **kwargs):
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self.election = get_object_or_404(Election, pk=kwargs['election_id'])
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if not self.election.is_vote_editable:
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raise PermissionDenied
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return super(RoleCreateView, self).dispatch(request, *arg, **kwargs)
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def get_initial(self):
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init = {}
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init['election'] = self.election
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return init
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def form_valid(self, form):
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"""
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Verify that the user can edit proprely
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"""
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obj = form.instance
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if obj.election:
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for grp in obj.election.edit_groups.all():
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if self.request.user.is_in_group(grp):
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return super(CreateView, self).form_valid(form)
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raise PermissionDenied
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def get_form_kwargs(self):
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kwargs = super(RoleCreateView, self).get_form_kwargs()
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kwargs['election_id'] = self.election.id
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return kwargs
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def get_success_url(self, **kwargs):
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return reverse_lazy('election:detail', kwargs={'election_id': self.object.election.id})
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class ElectionListCreateView(CanCreateMixin, CreateView):
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model = ElectionList
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form_class = ElectionListForm
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template_name = 'core/create.jinja'
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def dispatch(self, request, *arg, **kwargs):
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self.election = get_object_or_404(Election, pk=kwargs['election_id'])
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if not self.election.is_vote_editable:
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raise PermissionDenied
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return super(ElectionListCreateView, self).dispatch(request, *arg, **kwargs)
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def get_initial(self):
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init = {}
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init['election'] = self.election
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return init
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def get_form_kwargs(self):
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kwargs = super(ElectionListCreateView, self).get_form_kwargs()
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kwargs['election_id'] = self.election.id
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return kwargs
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def form_valid(self, form):
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"""
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Verify that the user can vote on this election
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"""
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obj = form.instance
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if obj.election:
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for grp in obj.election.candidature_groups.all():
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if self.request.user.is_in_group(grp):
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return super(CreateView, self).form_valid(form)
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for grp in obj.election.edit_groups.all():
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if self.request.user.is_in_group(grp):
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return super(CreateView, self).form_valid(form)
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raise PermissionDenied
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def get_success_url(self, **kwargs):
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return reverse_lazy('election:detail', kwargs={'election_id': self.object.election.id})
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# Update view
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class ElectionUpdateView(CanEditMixin, UpdateView):
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model = Election
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form_class = ElectionForm
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template_name = 'core/edit.jinja'
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pk_url_kwarg = 'election_id'
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def get_initial(self):
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init = {}
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try:
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init['start_date'] = self.object.start_date.strftime('%Y-%m-%d %H:%M:%S')
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except Exception:
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pass
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try:
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init['end_date'] = self.object.end_date.strftime('%Y-%m-%d %H:%M:%S')
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except Exception:
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pass
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try:
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init['start_candidature'] = self.object.start_candidature.strftime('%Y-%m-%d %H:%M:%S')
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except Exception:
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pass
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try:
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init['end_candidature'] = self.object.end_candidature.strftime('%Y-%m-%d %H:%M:%S')
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except Exception:
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pass
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return init
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def get_success_url(self, **kwargs):
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return reverse_lazy('election:detail', kwargs={'election_id': self.object.id})
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class CandidatureUpdateView(CanEditMixin, UpdateView):
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model = Candidature
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form_class = CandidateForm
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template_name = 'core/edit.jinja'
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pk_url_kwarg = 'candidature_id'
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def dispatch(self, request, *arg, **kwargs):
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self.object = self.get_object()
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if not self.object.role.election.is_vote_editable:
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raise PermissionDenied
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return super(CandidatureUpdateView, self).dispatch(request, *arg, **kwargs)
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def remove_fields(self):
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self.form.fields.pop('role', None)
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def get(self, request, *args, **kwargs):
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self.form = self.get_form()
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self.remove_fields()
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return self.render_to_response(self.get_context_data(form=self.form))
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def post(self, request, *args, **kwargs):
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self.form = self.get_form()
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self.remove_fields()
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if request.user.is_authenticated() and request.user.can_edit(self.object) and self.form.is_valid():
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return super(CandidatureUpdateView, self).form_valid(self.form)
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return self.form_invalid(self.form)
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def get_form_kwargs(self):
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kwargs = super(CandidatureUpdateView, self).get_form_kwargs()
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kwargs['election_id'] = self.object.role.election.id
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return kwargs
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def get_success_url(self, **kwargs):
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return reverse_lazy('election:detail', kwargs={'election_id': self.object.role.election.id})
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class RoleUpdateView(CanEditMixin, UpdateView):
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model = Role
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form_class = RoleForm
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template_name = 'core/edit.jinja'
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pk_url_kwarg = 'role_id'
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def dispatch(self, request, *arg, **kwargs):
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self.object = self.get_object()
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if not self.object.election.is_vote_editable:
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raise PermissionDenied
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return super(RoleUpdateView, self).dispatch(request, *arg, **kwargs)
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def remove_fields(self):
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self.form.fields.pop('election', None)
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def get(self, request, *args, **kwargs):
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self.object = self.get_object()
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self.form = self.get_form()
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self.remove_fields()
|
|
return self.render_to_response(self.get_context_data(form=self.form))
|
|
|
|
def post(self, request, *args, **kwargs):
|
|
self.object = self.get_object()
|
|
self.form = self.get_form()
|
|
self.remove_fields()
|
|
if request.user.is_authenticated() and request.user.can_edit(self.object) and self.form.is_valid():
|
|
return super(RoleUpdateView, self).form_valid(self.form)
|
|
return self.form_invalid(self.form)
|
|
|
|
def get_form_kwargs(self):
|
|
kwargs = super(RoleUpdateView, self).get_form_kwargs()
|
|
kwargs['election_id'] = self.object.election.id
|
|
return kwargs
|
|
|
|
def get_success_url(self, **kwargs):
|
|
return reverse_lazy('election:detail', kwargs={'election_id': self.object.election.id})
|
|
|
|
# Delete Views
|
|
|
|
|
|
class ElectionDeleteView(DeleteView):
|
|
model = Election
|
|
template_name = 'core/delete_confirm.jinja'
|
|
pk_url_kwarg = 'election_id'
|
|
|
|
def dispatch(self, request, *args, **kwargs):
|
|
if request.user.is_root:
|
|
return super(ElectionDeleteView, self).dispatch(request, *args, **kwargs)
|
|
raise PermissionDenied
|
|
|
|
def get_success_url(self, **kwargs):
|
|
return reverse_lazy('election:list')
|
|
|
|
|
|
class CandidatureDeleteView(CanEditMixin, DeleteView):
|
|
model = Candidature
|
|
template_name = 'core/delete_confirm.jinja'
|
|
pk_url_kwarg = 'candidature_id'
|
|
|
|
def dispatch(self, request, *arg, **kwargs):
|
|
self.object = self.get_object()
|
|
self.election = self.object.role.election
|
|
if not self.election.can_candidate or not self.election.is_vote_editable:
|
|
raise PermissionDenied
|
|
return super(CandidatureDeleteView, self).dispatch(request, *arg, **kwargs)
|
|
|
|
def get_success_url(self, **kwargs):
|
|
return reverse_lazy('election:detail', kwargs={'election_id': self.election.id})
|
|
|
|
|
|
class RoleDeleteView(CanEditMixin, DeleteView):
|
|
model = Role
|
|
template_name = 'core/delete_confirm.jinja'
|
|
pk_url_kwarg = 'role_id'
|
|
|
|
def dispatch(self, request, *arg, **kwargs):
|
|
self.object = self.get_object()
|
|
self.election = self.object.election
|
|
if not self.election.is_vote_editable:
|
|
raise PermissionDenied
|
|
return super(RoleDeleteView, self).dispatch(request, *arg, **kwargs)
|
|
|
|
def get_success_url(self, **kwargs):
|
|
return reverse_lazy('election:detail', kwargs={'election_id': self.election.id})
|
|
|
|
|
|
class ElectionListDeleteView(CanEditMixin, DeleteView):
|
|
model = ElectionList
|
|
template_name = 'core/delete_confirm.jinja'
|
|
pk_url_kwarg = 'list_id'
|
|
|
|
def dispatch(self, request, *args, **kwargs):
|
|
self.object = self.get_object()
|
|
self.election = self.object.election
|
|
if not self.election.is_vote_editable:
|
|
raise PermissionDenied
|
|
return super(ElectionListDeleteView, self).dispatch(request, *args, **kwargs)
|
|
|
|
def get_success_url(self, **kwargs):
|
|
return reverse_lazy('election:detail', kwargs={'election_id': self.election.id})
|