98 lines
2.9 KiB
Python
98 lines
2.9 KiB
Python
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from django.db import models
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class Fournée(models.Model):
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class Meta:
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ordering = ["-date"]
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date = models.DateField()
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pour = models.CharField(max_length=64)
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def __str__(self):
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return f"Fournée du {self.date: %d-%m-%Y} pour {self.pour}"
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def masse_commandée(self, pâte_id):
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"Renvoie la masse commandée d'une pâte donnée"
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poids_qté = self.commande_set.filter(réservation__pain__pâte_id=pâte_id).values('réservation__pain__poids', 'réservation__quantité')
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return sum([c['réservation__quantité'] * c['réservation__pain__poids'] for c in poids_qté])
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class Ingrédient(models.Model):
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class Meta:
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ordering = ["ordre", "-quantité"]
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recette = models.ForeignKey("Recette", on_delete=models.CASCADE)
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nom = models.CharField(max_length=64)
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quantité = models.DecimalField(max_digits=6, decimal_places=3)
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ordre = models.SmallIntegerField(default=0)
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def __str__(self):
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return f"{self.nom} ({self.quantité} kg)"
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class Recette(models.Model):
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class Meta:
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ordering = ["nom"]
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nom = models.CharField(max_length=64)
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poids_de_base = models.DecimalField(max_digits=6, decimal_places=3)
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def __str__(self):
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return self.nom
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class Pain(models.Model):
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class Meta:
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ordering = ["pâte", "poids", "moulé"]
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nom = models.CharField(max_length=64)
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pâte = models.ForeignKey("Recette", on_delete=models.CASCADE)
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poids = models.DecimalField(max_digits=6, decimal_places=3)
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moulé = models.BooleanField()
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def __str__(self):
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return self.nom
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class Réservation(models.Model):
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class Meta:
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ordering = ["pain", "commande__pour", "commande__fournée__date"]
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quantité = models.DecimalField(max_digits=6, decimal_places=3)
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pain = models.ForeignKey("Pain", on_delete=models.CASCADE)
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commande = models.ForeignKey("Commande", on_delete=models.CASCADE)
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def __str__(self):
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return f"{self.quantité.normalize()} {self.pain}"
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class Commande(models.Model):
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class Meta:
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ordering = ["pour"]
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pour = models.CharField(max_length=64)
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pains = models.ManyToManyField("Pain", through="Réservation")
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fournée = models.ForeignKey("Fournée", on_delete=models.CASCADE)
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def __str__(self):
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details = ""
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if self.id and self.réservation_set.exists():
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details = " (" + ", ".join(
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[str(r) for r in self.réservation_set.all()]
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) + ")"
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return f"{self.pour}" + details
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class Coulée(models.Model):
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class Meta:
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ordering = ["fournée__date", "ordre", "quantité", "pâte"]
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ordre = models.SmallIntegerField(default=0)
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quantité = models.DecimalField(max_digits=6, decimal_places=3)
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pâte = models.ForeignKey("Recette", on_delete=models.CASCADE)
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fournée = models.ForeignKey("Fournée", on_delete=models.CASCADE)
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def __str__(self):
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return f"{self.pâte} ({self.quantité.normalize()} kg)"
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