BookStack\Services\PermissionService::getActions PHP Метод

    protected function getActions($entity)
    {
        $baseActions = ['view', 'update', 'delete'];
        if ($entity->isA('chapter')) {
            $baseActions[] = 'page-create';
        } else {
            if ($entity->isA('book')) {
                $baseActions[] = 'page-create';
                $baseActions[] = 'chapter-create';
            }
        }
        return $baseActions;
    }