/**
* Loads and renders the view containing a list of recent changes in the vocabulary.
* @param Request $request
*/
public function invokeChangeList($request, $prop = 'dc:created')
{
// set language parameters for gettext
$this->setLanguageProperties($request->getLang());
$vocab = $request->getVocab();
$offset = $request->getQueryParam('offset') && is_numeric($request->getQueryParam('offset')) && $request->getQueryParam('offset') >= 0 ? $request->getQueryParam('offset') : 0;
$changeList = $vocab->getChangeList($prop, $request->getContentLang(), $request->getLang(), $offset);
// load template
$template = $this->twig->loadTemplate('changes.twig');
// render template
echo $template->render(array('vocab' => $vocab, 'languages' => $this->languages, 'request' => $request, 'changeList' => $changeList));
}
/**
* Used for querying narrower relations for a concept in the hierarchy view.
* @param Request $request
* @return object json-ld wrapped hierarchical concept uris and labels.
*/
public function related($request)
{
$results = array();
$related = $request->getVocab()->getConceptRelateds($request->getUri(), $request->getLang());
if ($related === null) {
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>");
}
foreach ($related as $uri => $vals) {
$results[] = array('uri' => $uri, 'prefLabel' => $vals['label']);
}
$ret = array_merge_recursive($this->context, array('@context' => array('prefLabel' => 'skos:prefLabel', 'related' => 'skos:related', '@language' => $request->getLang()), 'uri' => $uri, 'related' => $results));
return $this->returnJson($ret);
}
