+
+ def ensure_owner_uuid_is_permitted
+ if group_class == "role"
+ @requested_manager_uuid = nil
+ if new_record?
+ @requested_manager_uuid = owner_uuid
+ self.owner_uuid = system_user_uuid
+ return true
+ end
+ if self.owner_uuid != system_user_uuid
+ raise "Owner uuid for role must be system user"
+ end
+ raise PermissionDeniedError unless current_user.can?(manage: uuid)
+ true
+ else
+ super
+ end
+ end
+
+ def add_role_manage_link
+ if group_class == "role" && @requested_manager_uuid
+ act_as_system_user do
+ Link.create!(tail_uuid: @requested_manager_uuid,
+ head_uuid: self.uuid,
+ link_class: "permission",
+ name: "can_manage")
+ end
+ end
+ end