public function addDocumentFolder($postValues)
    {
        $documentFolderObject = DocumentFolderFactory::createDocumentFolderFromPostValues($postValues);
        if ($postValues['path'] === '/') {
            $documentFolderObject->path = $postValues['path'] . $documentFolderObject->slug;
        } else {
            $documentFolderObject->path = $postValues['path'] . '/' . $documentFolderObject->slug;
        }
        $this->repository->getContentRepository()->saveDocument($documentFolderObject, 'published');
        $this->repository->getContentRepository()->saveDocument($documentFolderObject, 'unpublished');
    }