If you are comfortable with sql syntax, just pull the data you want with
sql joins.
You already have the keys set up
On Thursday, July 19, 2012 5:16:42 AM UTC-4, Julio Galvez wrote:
>
> Hi, I'm new with Django and in this Groups; I have the next models and
> question
>
> class Empresa(models.Model):
> usuario = models.ForeignKey(User)
> empresa = models.CharField(max_length=100, unique=True)
> slogan = models.TextField()
> logotipo = models.ImageField(upload_to='logos')
> descripcion = models.TextField()
> compra_minima = models.FloatField(verbose_name='Compra Mínima')
> costo_envio = models.FloatField(verbose_name='Costo de Envío')
>
> def __unicode__(self):
> return self.empresa
>
> class Sucursal(models.Model):
> empresa = models.ForeignKey(Empresa)
> direccion = models.CharField(max_length=200, null=False)
> estado = models.CharField(max_length=30)
> municipio = models.CharField(max_length=30)
>
> def __unicode__(self):
> return self.direccion
>
> class Platillo(models.Model):
> empresa = models.ForeignKey(Empresa)
> categoria = models.ForeignKey(Categoria_platillo)
> nombre_platillo = models.CharField(max_length=100, null=False,
> blank=False, verbose_name='Nombre del Platillo')
> fotografia = models.ImageField(upload_to='platillos',
> verbose_name='Fotografía')
> descripcion = models.TextField()
> precio = models.FloatField()
> dia_existencia = models.CharField(max_length=150)
> fecha_publicacion = models.DateTimeField(auto_now=True)
> tags = models.CharField(max_length=100)
> estatus = models.BooleanField(null=False, default=True)
>
> def __unicode__(self):
> return self.nombre_platillo
>
> class Horario(models.Model):
> empresa = models.ForeignKey(Empresa)
> dia = models.CharField(max_length=15)
> hora_abre = models.CharField(max_length=10)
> hora_cierra = models.CharField(max_length=10)
>
> def __unicode__(self):
> return self.hora_abre
>
>
> Now, I want to create a result like this:
>
> {Empresa1, Sucursal1, Platillo1, Horario1}, {Empresa1, Sucursal1,
> Platillo2, Horario1}, {Empresa2, Sucursal1, Platillo1, Horario1}...
>
> I use "select_related()" method, but I can't do it
>
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