kadenios/elections/models.py

106 lines
3.3 KiB
Python

from django.conf import settings
from django.contrib.auth.models import AbstractUser
from django.db import models
from django.utils.translation import gettext_lazy as _
# #############################################################################
# Models regarding an election
# #############################################################################
class Election(models.Model):
name = models.CharField(_("nom"), max_length=255)
short_name = models.SlugField(_("nom bref"), unique=True)
description = models.TextField(_("description"), blank=True)
start_date = models.DateTimeField(_("date et heure de début"))
end_date = models.DateTimeField(_("date et heure de fin"))
restricted = models.BooleanField(
_("restreint le vote à une liste de personnes"), default=True
)
created_by = models.ForeignKey(
settings.AUTH_USER_MODEL,
related_name="elections_created",
on_delete=models.SET_NULL,
blank=True,
null=True,
)
results_public = models.BooleanField(_("résultats publics"), default=False)
tallied = models.BooleanField(_("dépouillée"), default=False)
# TODO : cache tally or recompute it each time ?
archived = models.BooleanField(_("archivée"), default=False)
@property
def preferred_method(self):
if self.restricted:
return "PWD"
return "CAS"
class Meta:
ordering = ["-start_date", "-end_date"]
class Question(models.Model):
election = models.ForeignKey(
Election, related_name="questions", on_delete=models.CASCADE
)
text = models.TextField(_("question"), blank=False)
# We cache the maximum number of votes for an option
max_votes = models.PositiveSmallIntegerField(
_("nombre maximal de votes reçus"), default=0
)
class Meta:
ordering = ["id"]
class Option(models.Model):
question = models.ForeignKey(
Question, related_name="options", on_delete=models.CASCADE
)
text = models.TextField(_("texte"), blank=False)
voters = models.ManyToManyField(
settings.AUTH_USER_MODEL,
related_name="votes",
)
# For now, we store the amount of votes received after the election is tallied
nb_votes = models.PositiveSmallIntegerField(_("nombre de votes reçus"), default=0)
class Meta:
ordering = ["id"]
# #############################################################################
# Modification of the base User Model
# #############################################################################
class User(AbstractUser):
election = models.ForeignKey(
Election,
related_name="registered_voters",
null=True,
blank=True,
on_delete=models.CASCADE,
)
@property
def base_username(self):
return self.username.split("__")[-1]
def can_vote(self, election):
# Si c'est un·e utilisateur·ice CAS, iel peut voter dans les élections
# ouvertes à tou·te·s
if self.election is None:
return not election.restricted
# Pour les élections restreintes, il faut y être associé
return election.restricted and (self.election == election)
def connection_method(self):
if self.election is None:
return _("CAS")
return _("identifiants spécifiques")