Re: Rendering TabuarInline inside ModelAdmin without a foreign key

Here's the models code, DR:

class CRMUser(AbstractBaseUser, PermissionsMixin):

    email = models.EmailField(

        verbose_name='Email Address',

        max_length=255,

        unique=True,

    )

    first_name = models.CharField("First Name", max_length=50, blank=True)

    last_name = models.CharField("Last Name", max_length=50, blank=True)

    phone = models.CharField("Billing Country", max_length=30, null=True, blank=True)

    ...

class Order(models.Model):

    order_code = models.CharField("Order ID", null=True, max_length=10)

    status = models.IntegerField("Order Status", choices=ORDER_STATUS_CHOICES, null=True, default=1)

    user_id = models.IntegerField("User ID", null=True, blank=True)

    ...

Thanks for all your help on SO and this list by the way. I seem to come across your answers a lot and they're really useful. You're a champ!

On 30 October 2014 07:06, Mario Gudelj <mario.gudelj@gmail.com> wrote:

I did not produce the original model so I wouldn't know. My thinking is that the order model had to be independent of the user model so that the deletion of the user doesn't cascade down to orders. It's a mezzanine site and that's how it handles fk from orders to users.

On 29/10/2014 9:27 pm, "Daniel Roseman" <daniel@roseman.org.uk> wrote:

On Wednesday, 29 October 2014 03:57:36 UTC, somecallitblues wrote:

Hi list,

I have a table of orders where one of the columns is a IntegerField containing the id of a user who created the order. 

Since it's not a FK field django admin can't display these orders inline inside the user details page.

I would normally use something like:

class OrderInline(admin.TabularInline):

    extra = 0

    model = Order

And then add that to the user model like this:

inlines = [OrderInline]

But it won't work without the FK.

I've Googled around and tried everything I found on SO but I can't figure out how to add orders inline to my user model.

I'm looking at https://docs.djangoproject.com/en/dev/_modules/django/contrib/contenttypes/admin/#GenericTabularInline and I'm thinking do I need to write a similar class or is there something easy and simple I'm missing.

Cheers,

Mario

You don't show your models, but why is it not a ForeignKey? After all, a FK field is exactly what you describe, an integer field that contains the ID of the model it is pointing to. So why not declare it as one?

--

DR. 

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