I have a model:
class Employee(models.Model):
name = models.CharField(maxlength = 100)
reportsTo = models.ForeignKey('self', null=True,
related_name='dependent_element')
subordinates = models.ManyToManyField('self')
I want to add the employee as a subordinate when the manager is
defined, so long as they don't already exist:
if manager.subordinates.filter(id = employee.id).count() == 0:
manager.subordinates.add(employee)
But this doesn't work ... it always returns count = 0.
I think the problem is I'm attempting to ask
"Give me the count of all of the subordinates of <this manager> where
subordinate ID = employee ID"
but what I'm actually asking is:
"Give me the count of all of the subordinates of <this manager> where
subordinate join table ID = employee ID"
How should I phrase this?
I couldn't see the answer in the archives (closest was
http://groups.google.ca/group/django-users/browse_thread/thread/af75f41acda01ae5/5ac9f540627d4573?lnk=gst&q=many+to+many+self&rnum=1#5ac9f540627d4573)
Thx
Sandy
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