Add anonymous user support to the Permission manager models

apps/permissions/managers.py

@@ -8,11 +8,16 @@ from django.shortcuts import get_object_or_404
 from django.db.utils import IntegrityError
 from django.core.exceptions import ImproperlyConfigured
 
+from common.models import AnonymousUserSingleton
+
+
 logger = logging.getLogger(__name__)
 
 
 class RoleMemberManager(models.Manager):
     def get_roles_for_member(self, member_obj):
+        member_obj = AnonymousUserSingleton.objects.passthru_check(member_obj)
+
         member_type = ContentType.objects.get_for_model(member_obj)
         return [role_member.role for role_member in self.model.objects.filter(member_type=member_type, member_id=member_obj.pk)]