On 1/03/2018 3:20 PM, Matemática A3K wrote:
On Wed, Feb 28, 2018 at 12:46 AM, Mike Dewhirst <mi...@dewhirst.com.au
<mailto:mi...@dewhirst.com.au>> wrote:
On 28/02/2018 1:58 PM, Alexander Joseph wrote:
Sorry, I think my question was confusing. What I want to do is
allow the user to either select a user from a drop down list
of users from the ForeignKey in the Users model, or if there
is not a user suitable to select in the drop down, they can
manually type in a name themselves.
In the same field that would require a hack of the first water.
Way above my pay grade. For me, anything which equates an existing
user object with a string typed in is likely to end in misery.
Otherwise a separate CharField for the typed in name and null=True
and blank=True in the ForeignKey ought to work.
Mike
Indeed, what you can also do - besides the nullable FK, is process
that in the Form where if the FK is null and the the charfield is not
None, then create a User (maybe non active) with that name and assign
it to the FK.
It will depend on the use-case requirements but I think that could get
slightly messy. You need to ensure you are not creating duplicate
people. For example you would likely need case-insensitive names.
Thanks for your reply
On Tuesday, February 27, 2018 at 7:45:51 PM UTC-7, Mike
Dewhirst wrote:
On 28/02/2018 1:26 AM, Alexander Joseph wrote:
> Is there a way to make a form field or model field
either a foreign
> key reference or allow the user to fill in something
themselves?
I'm
> making a fixed assets app and each fixed asset has an
owner field,
> which I would like to assign to an app user if possible,
and if not
> possible be able to fill in a name myself.
Yes. Make the ForeignKey in the model null=True and
blank=True so
it can
exist all alone. Then you can limit_choices_to whatever
whatever
suits
your requirements ...
https://docs.djangoproject.com/en/1.11/ref/models/fields/#django.db.models.ForeignKey.limit_choices_to
<https://docs.djangoproject.com/en/1.11/ref/models/fields/#django.db.models.ForeignKey.limit_choices_to>
<https://docs.djangoproject.com/en/1.11/ref/models/fields/#django.db.models.ForeignKey.limit_choices_to
<https://docs.djangoproject.com/en/1.11/ref/models/fields/#django.db.models.ForeignKey.limit_choices_to>>
hth
Mike
>
> Thanks
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