private function getActivatedKanban()
 {
     $kanban_was_activated = $this->config_manager->kanbanIsActivatedForProject($this->project_id);
     $kanban_is_activated = $this->request->get('activate-kanban');
     if ($kanban_is_activated && !$kanban_was_activated) {
         $this->response->kanbanActivated();
     }
     return $kanban_is_activated;
 }