Managing groups in Django Channels

user_model_property.py

class User(AbstractBaseUser, PermissionsMixin):
    """
        Maintain user and its attributes
    """

    @property
    def group_name(self):
        """
        Returns a group name based on the user's id to be used by Django Channels.
        Example usage:
        user = User.objects.get(pk=1)
        group_name = user.group_name
        """
        return "user_%s" % self.id