On Wed, Feb 28, 2018 at 12:46 AM, Mike Dewhirst <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.


>
>
>> 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>
>>
>>
>>     hth
>>     Mike
>>
>>
>>     >
>>     > Thanks
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