public function getThemesAction(Request $request, ParamFetcherInterface $paramFetcher)
{
$journal = $this->get('ojs.journal_service')->getSelectedJournal();
if (!$this->isGranted('VIEW', $journal, 'theme')) {
throw new AccessDeniedException();
}
$offset = $paramFetcher->get('offset');
$offset = null === $offset ? 0 : $offset;
$limit = $paramFetcher->get('limit');
return $this->container->get('ojs_api.journal_theme.handler')->all($limit, $offset);
}