Hello everyone,
I have a model (Customer) with a ManyToMany field referencing django's
User class.
Now in my admin panel I've created a custom Form (ModelForm subclass)
for my Customer class. The only difference to the default form is that
I added 3 new (ModelChoiceField) fields. The intention behind this is
that I want to replace the default MultiSelectField for the model's
ManyToMany field.
Now my problem is that I don't know how to actually add / save these
extra fields to my Customer model when it's saved.
The form gets displayed correctly (and even validation works) but (of
course?) django doesn't know how it should save my 3 custom fields. So
everything else gets saved correctly (no errors) but my 3 User models
won't get added to my Customer model.
My first thought was I maybe have to override the ModelForm.save()
method. So I tried this just to get started somewhere:
def save(self, commit=True):
super(CustomerForm, self).save(commit)
but then, when I click "save" I just get the error message "'NoneType'
object has no attribute 'save'" which is raised somewhere in a django
function called save_model().
So what am I doing wrong and how can I realize what I'm trying to do
(allways adding 3 User objects to one Customer object)?
Thanks in advance,
Dennis
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