mirror of
https://github.com/ae-utbm/sith.git
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647 lines
20 KiB
Python
647 lines
20 KiB
Python
from ajax_select import make_ajax_field
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from ajax_select.fields import AutoCompleteSelectField
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from django import forms
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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.db.models.query import QuerySet
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from django.shortcuts import get_object_or_404, redirect
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from django.urls import reverse, reverse_lazy
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from django.utils.translation import gettext_lazy as _
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from django.views.generic import DetailView, ListView
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from django.views.generic.edit import CreateView, DeleteView, FormView, UpdateView
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from core.models import User
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from core.views import CanCreateMixin, CanEditMixin, CanViewMixin
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from core.views.forms import MarkdownInput, SelectDateTime
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from election.models import Candidature, Election, ElectionList, Role, Vote
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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, **kwargs):
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self.max_choice = max_choice
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widget = forms.CheckboxSelectMultiple()
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super().__init__(queryset, **kwargs)
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def clean(self, value):
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qs = super().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(
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_("You have selected too much candidates."), code="invalid"
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)
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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 = {"program": MarkdownInput}
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user = AutoCompleteSelectField(
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"users", label=_("User to candidate"), help_text=None, required=True
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)
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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().__init__(*args, **kwargs)
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if election_id:
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self.fields["role"].queryset = Role.objects.filter(
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election__id=election_id
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).all()
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self.fields["election_list"].queryset = ElectionList.objects.filter(
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election__id=election_id
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).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().__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(
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cand, role.max_choice, required=False
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)
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else:
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self.fields[role.title] = forms.ModelChoiceField(
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cand,
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required=False,
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widget=forms.RadioSelect(),
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empty_label=_("Blank vote"),
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)
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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().__init__(*args, **kwargs)
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if election_id:
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self.fields["election"].queryset = Election.objects.filter(
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id=election_id
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).all()
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def clean(self):
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cleaned_data = super().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(
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_("This role already exists for this election"), code="invalid"
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)
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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().__init__(*args, **kwargs)
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if election_id:
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self.fields["election"].queryset = Election.objects.filter(
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id=election_id
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).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 = [
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"title",
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"description",
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"archived",
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"start_candidature",
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"end_candidature",
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"start_date",
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"end_date",
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"edit_groups",
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"view_groups",
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"vote_groups",
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"candidature_groups",
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]
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edit_groups = make_ajax_field(
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Election, "edit_groups", "groups", help_text="", label=_("edit groups")
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)
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view_groups = make_ajax_field(
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Election, "view_groups", "groups", help_text="", label=_("view groups")
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)
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vote_groups = make_ajax_field(
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Election, "vote_groups", "groups", help_text="", label=_("vote groups")
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)
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candidature_groups = make_ajax_field(
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Election,
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"candidature_groups",
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"groups",
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help_text="",
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label=_("candidature groups"),
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)
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start_date = forms.DateTimeField(
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label=_("Start date"), widget=SelectDateTime, required=True
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)
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end_date = forms.DateTimeField(
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label=_("End date"), widget=SelectDateTime, required=True
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)
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start_candidature = forms.DateTimeField(
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label=_("Start candidature"), widget=SelectDateTime, required=True
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)
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end_candidature = forms.DateTimeField(
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label=_("End candidature"), widget=SelectDateTime, required=True
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)
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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().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().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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response = super().get(request, *arg, **kwargs)
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election: 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(
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reverse("election:detail", kwargs={"election_id": election.id})
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)
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return response
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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().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().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().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_id in self.election.vote_groups.values_list("pk", flat=True):
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if self.request.user.is_in_group(pk=grp_id):
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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().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().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().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 (
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obj.user == self.request.user or self.can_edit
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):
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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().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().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().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 properly
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"""
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obj: Role = form.instance
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user: User = self.request.user
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if obj.election:
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for grp_id in obj.election.edit_groups.values_list("pk", flat=True):
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if user.is_in_group(pk=grp_id):
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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().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(
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"election:detail", kwargs={"election_id": self.object.election.id}
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)
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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().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().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: ElectionList = form.instance
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user: User = self.request.user
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if obj.election:
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for grp_id in obj.election.candidature_groups.values_list("pk", flat=True):
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if user.is_in_group(pk=grp_id):
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return super(CreateView, self).form_valid(form)
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for grp_id in obj.election.edit_groups.values_list("pk", flat=True):
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if user.is_in_group(pk=grp_id):
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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(
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"election:detail", kwargs={"election_id": self.object.election.id}
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)
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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(
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"%Y-%m-%d %H:%M:%S"
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)
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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(
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"%Y-%m-%d %H:%M:%S"
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)
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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().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 (
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request.user.is_authenticated
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and request.user.can_edit(self.object)
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and self.form.is_valid()
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):
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return super().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().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(
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"election:detail", kwargs={"election_id": self.object.role.election.id}
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)
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class RoleUpdateView(CanEditMixin, UpdateView):
|
|
model = Role
|
|
form_class = RoleForm
|
|
template_name = "core/edit.jinja"
|
|
pk_url_kwarg = "role_id"
|
|
|
|
def dispatch(self, request, *arg, **kwargs):
|
|
self.object = self.get_object()
|
|
if not self.object.election.is_vote_editable:
|
|
raise PermissionDenied
|
|
return super().dispatch(request, *arg, **kwargs)
|
|
|
|
def remove_fields(self):
|
|
self.form.fields.pop("election", None)
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
self.object = self.get_object()
|
|
self.form = self.get_form()
|
|
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().form_valid(self.form)
|
|
return self.form_invalid(self.form)
|
|
|
|
def get_form_kwargs(self):
|
|
kwargs = super().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().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().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().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().dispatch(request, *args, **kwargs)
|
|
|
|
def get_success_url(self, **kwargs):
|
|
return reverse_lazy("election:detail", kwargs={"election_id": self.election.id})
|