Hi all!
I have a modelform and I want to customize validation.
I'm overriding the method clean_<field>().
When I'm saving the form I want to see if a specific user has been already
assigned to a project. The only way he can ben assigned again is if he's an
inactive user, so:
models.py
Class User(models.Model):
name = models.CharField(...)
active = models.BooleanField()
...
Class Project(models.Model):
user = models.ForeignKey(User)
....
******************
forms.py
Class ProjectForm(ModelForm)
....
def clean_name(self):
user = self.cleaned_data['user']
if User.objecs.filter(user.id, active=True):
raise forms.ValidationError(_("This man has been
already assign
to a partner"))
return user
When I'm creating a new project it works fine (I believe, haven't been tested
yet), but when editing it throws an error because the user already exists, and
that's obvious. So, I want to be able to verify if it is a new instance or if
it is an instance being edited.
Thanks,
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