Hi everyone,
I need to do some validation in my model. So far, I have been able to
validate normal forms, but I want to validate forms with an inline, to
ensure that at least one of those inlines match the requirement.
My code:
class PDMAdminForm(ModelForm):
class Meta:
model = PersonDepartmentMembership
def clean(self):
previous_leaders = []
if self.instance: # the instance is already on the db
previous_leaders =
self.instance.department.employee_memberships.filter(lead__exact=True)
lead = self.cleaned_data['lead'] # access fields from the
form itself
# do some validations and eventually throw ValidationErrrors
[...]
return self.cleaned_data
This works great for a single inline. But if I have several
PersonDepartmentMembership instances to be created, I don't know how to
check the value of those other (I just want to ensure that at least one
fo them has lead==True).
Does anyone know how to do this cross validation? Thank you very much
for your suggestions.
Regards,
Roberto
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