Django custom managers – how do I return only objects created by the logged-in user?

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One way to handle this would be to create a new method instead of redefining get_query_set. Something along the lines of:

class UserContactManager(models.Manager):
    def for_user(self, user):
        return super(UserContactManager, self).get_query_set().filter(creator=user)

class UserContact(models.Model):
    [...]
    objects = UserContactManager()

This allows your view to look like this:

contacts = Contact.objects.for_user(request.user)

This should help keep your view simple, and because you would be using Django’s built in features, it isn’t likely to break in the future.

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