161 lines
5 KiB
Python
161 lines
5 KiB
Python
from django.conf import settings
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from django.contrib.auth.models import AbstractUser
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from django.db import models
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from django.utils.translation import gettext_lazy as _
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from .staticdefs import (
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CAST_FUNCTIONS,
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CONNECTION_METHODS,
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QUESTION_TYPES,
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TALLY_FUNCTIONS,
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VALIDATE_FUNCTIONS,
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)
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from .utils import CastFunctions, TallyFunctions, ValidateFunctions, choices_length
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# #############################################################################
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# Models regarding an election
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# #############################################################################
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class Election(models.Model):
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name = models.CharField(_("nom"), max_length=255)
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short_name = models.SlugField(_("nom bref"), unique=True)
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description = models.TextField(_("description"), blank=True)
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start_date = models.DateTimeField(_("date et heure de début"))
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end_date = models.DateTimeField(_("date et heure de fin"))
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restricted = models.BooleanField(
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_("restreint le vote à une liste de personnes"), default=True
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)
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sent_mail = models.BooleanField(
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_("mail avec les identifiants envoyé"), default=False
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)
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created_by = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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related_name="elections_created",
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on_delete=models.SET_NULL,
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blank=True,
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null=True,
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)
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voters = models.ManyToManyField(
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settings.AUTH_USER_MODEL,
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related_name="cast_elections",
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blank=True,
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)
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results_public = models.BooleanField(_("résultats publics"), default=False)
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tallied = models.BooleanField(_("dépouillée"), default=False)
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archived = models.BooleanField(_("archivée"), default=False)
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class Meta:
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ordering = ["-start_date", "-end_date"]
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class Question(models.Model):
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election = models.ForeignKey(
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Election, related_name="questions", on_delete=models.CASCADE
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)
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text = models.TextField(_("question"), blank=False)
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type = models.CharField(
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_("type de question"),
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choices=QUESTION_TYPES,
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default="assentiment",
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max_length=choices_length(QUESTION_TYPES),
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)
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# We cache the maximum number of votes for an option
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max_votes = models.PositiveSmallIntegerField(
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_("nombre maximal de votes reçus"), default=0
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)
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voters = models.ManyToManyField(
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settings.AUTH_USER_MODEL,
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related_name="cast_questions",
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blank=True,
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)
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def is_form_valid(self, vote_form):
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validate_function = getattr(ValidateFunctions, VALIDATE_FUNCTIONS[self.type])
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return vote_form.is_valid() and validate_function(vote_form)
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def cast_ballot(self, user, vote_form):
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cast_function = getattr(CastFunctions, CAST_FUNCTIONS[self.type])
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cast_function(user, vote_form)
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def tally(self):
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tally_function = getattr(TallyFunctions, TALLY_FUNCTIONS[self.type])
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tally_function(self)
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class Meta:
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ordering = ["id"]
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class Option(models.Model):
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question = models.ForeignKey(
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Question, related_name="options", on_delete=models.CASCADE
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)
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text = models.TextField(_("texte"), blank=False)
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voters = models.ManyToManyField(
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settings.AUTH_USER_MODEL,
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related_name="votes",
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through="Vote",
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blank=True,
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)
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# For now, we store the amount of votes received after the election is tallied
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nb_votes = models.PositiveSmallIntegerField(_("nombre de votes reçus"), default=0)
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class Meta:
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ordering = ["id"]
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class Vote(models.Model):
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option = models.ForeignKey(Option, on_delete=models.CASCADE)
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
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# #############################################################################
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# Modification of the base User Model
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# #############################################################################
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class User(AbstractUser):
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election = models.ForeignKey(
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Election,
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related_name="registered_voters",
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null=True,
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blank=True,
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on_delete=models.CASCADE,
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)
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full_name = models.CharField(_("Nom et Prénom"), max_length=150, blank=True)
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def get_username(self):
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return "__".join(self.username.split("__")[1:])
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def can_vote(self, request, election):
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# Si c'est un·e utilisateur·ice CAS, iel peut voter dans les élections
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# ouvertes à tou·te·s
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if self.election is None:
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# If the user is connected via CAS, request.session["CASCONNECTED"] is set
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# to True by authens
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return not election.restricted and request.session.get("CASCONNECTED")
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# Pour les élections restreintes, il faut y être associé
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return election.restricted and (self.election == election)
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def get_prefix(self):
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return self.username.split("__")[0]
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@property
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def connection_method(self):
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method = self.username.split("__")[0]
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return CONNECTION_METHODS.get(method, _("identifiants spécifiques"))
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class Meta:
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permissions = [
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("is_admin", _("Peut administrer des élections")),
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]
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