from django.db import models from django.contrib.auth.models import User from django.db.models.signals import post_save from django.dispatch import receiver from django.utils import timezone from simple_history.models import HistoricalRecords from preferences.models import PaymentMethod, Cotisation from gestion.models import ConsumptionHistory class School(models.Model): """ Stores school """ class Meta: verbose_name = "École" name = models.CharField(max_length=255, verbose_name="Nom") history = HistoricalRecords() def __str__(self): return self.name class CotisationHistory(models.Model): """ Stores cotisations history, related to :model:`preferences.Cotisation` """ class Meta: verbose_name = "Historique cotisation" user = models.ForeignKey(User, on_delete=models.PROTECT, verbose_name="Client") amount = models.DecimalField(max_digits=5, decimal_places=2, verbose_name="Montant") duration = models.PositiveIntegerField(verbose_name="Durée") paymentDate = models.DateTimeField(auto_now_add=True, verbose_name="Date du paiement") endDate = models.DateTimeField(verbose_name="Fin de la cotisation") paymentMethod = models.ForeignKey(PaymentMethod, on_delete=models.PROTECT, verbose_name="Moyen de paiement") cotisation = models.ForeignKey(Cotisation, on_delete=models.PROTECT, verbose_name="Type de cotisation") coopeman = models.ForeignKey(User, on_delete=models.PROTECT, related_name="cotisation_made") history = HistoricalRecords() class WhiteListHistory(models.Model): """ Stores whitelist history """ class Meta: verbose_name = "Historique accès gracieux" user = models.ForeignKey(User, on_delete=models.PROTECT) paymentDate = models.DateTimeField(auto_now_add=True) endDate = models.DateTimeField() duration = models.PositiveIntegerField(verbose_name="Durée", help_text="Durée de l'accès gracieux en jour") coopeman = models.ForeignKey(User, on_delete=models.PROTECT, related_name="whitelist_made") history = HistoricalRecords() class Profile(models.Model): """ Stores user profile """ class Meta: verbose_name = "Profil" user = models.OneToOneField(User, on_delete=models.CASCADE) credit = models.DecimalField(max_digits=7, decimal_places=2, default=0) debit = models.DecimalField(max_digits=7, decimal_places=2, default=0) school = models.ForeignKey(School, on_delete=models.PROTECT, blank=True, null=True) cotisationEnd = models.DateTimeField(blank=True, null=True) history = HistoricalRecords() @property def is_adherent(self): """ Test if a user is adherent """ if(self.cotisationEnd and self.cotisationEnd > timezone.now()): return True else: return False @property def balance(self): """ Computes user balance """ return self.credit - self.debit def positiveBalance(self): """ Test if the user balance is positive or null """ return self.balance >= 0 @property def rank(self): """ Computes the rank (by debit) of the user """ return Profile.objects.filter(debit__gte=self.debit).count() @property def alcohol(self): """ Computes ingerated alcohol """ consumptions = ConsumptionHistory.objects.filter(customer=self.user).select_related('product') alcohol = 0 for consumption in consumptions: product = consumption.product alcohol += consumption.quantity * float(product.deg) * product.volume * 0.79 /10 /1000 return alcohol @property def nb_pintes(self): """ Return the number of pintes currently owned """ return self.user.pintes_owned_currently.count() def __str__(self): return str(self.user) def __getattr__(self, name): """ Tente de retourner l'attribut de l'instance et si l'attribut n'existe pas, tente de retourner l'attribut de l'user associé à l'instance """ try: r = self.__getattribute__(name) except AttributeError: try: r = super().__getattr__(name) except AttributeError: r = getattr(self.user, name) return r @receiver(post_save, sender=User) def create_user_profile(sender, instance, created, **kwargs): """ Create profile when user is created """ if created: Profile.objects.create(user=instance) @receiver(post_save, sender=User) def save_user_profile(sender, instance, **kwargs): """ Save profile when user is saved """ instance.profile.save() def str_user(self): """ Rewrite str method for user """ if self.profile.is_adherent: fin = "Adhérent" else: fin = "Non adhérent" return self.username + " (" + self.first_name + " " + self.last_name + ", " + str(self.profile.balance) + "€, " + fin + ")" User.add_to_class("__str__", str_user)