public function moveAction(Request $request)
    {
        $volumeId = $request->get('site_id');
        $targetId = $request->get('target_id');
        $sourceId = $request->get('source_id');

        $volume = $this->getVolume($volumeId);
        $folder = $volume->findFolder($sourceId);
        $targetFolder = $volume->findFolder($targetId);

        $volume->moveFolder($folder, $targetFolder, $this->getUser()->getId());

        return new ResultResponse(true);
    }