class Customer(models.Model):
    user = models.ForeignKey(User, verbose_name="Пользователь", on_delete=models.CASCADE)
    phone = models.CharField(max_length=20, verbose_name="Номер телефона")
    address = models.CharField(max_length=255, verbose_name="Адрес")

    def __str__(self):
        return F"Покупатель: {self.user.first_name} {self.user.last_name}"