protected function createFolderPath()
    {
        $this->write('  + Adding folderPath');

        $rootFolders = $this->container->get('open_orchestra_media.repository.media_folder')->findBy(array('parent' => null));
        foreach ($rootFolders as $folder) {
            $oldPath = $folder->getPath();
            $folder->setPath('/');
            $event = $this->container->get('open_orchestra_media_admin.event.folder_event.factory')->createFolderEvent();
            $event->setFolder($folder);
            $event->setPreviousPath($oldPath);
            $this->container->get('event_dispatcher')->dispatch(FolderEvents::PATH_UPDATED, $event);
        }

        $this->container->get('object_manager')->flush();
    }