private function getNodesByIds(Request $request, $idString)
    {
        $language = $this->getLanguage($request);
        $webspace = $this->getWebspace($request, false);

        $result = $this->getRepository()->getNodesByIds(
            preg_split('/[,]/', $idString, -1, PREG_SPLIT_NO_EMPTY),
            $webspace,
            $language
        );

        return $this->handleView($this->view($result));
    }