/**
* Executes show action
*
*/
public function executeShowScheme()
{
//build the complete URI
$rootUri = $this->getRequest()->getUriPrefix() . '/';
$schemeUri = $rootUri . 'uri/' . $this->getRequestParameter('scheme', '');
$type = $this->getRequestParameter('type');
$ts = strtotime($this->getRequestParameter('ts'));
$this->timestamp = $ts;
$version = $this->getRequestParameter('version');
//$_SERVER['HTTP_ACCEPT'] = '';
//$_SERVER['HTTP_USER_AGENT'] = '';
switch ($type) {
case 'xmlschema':
//this URI HAS an 'id', HAS an 'rdf' suffix, and does NOT have a 'uri' action
$id = $this->getRequestParameter('id');
$vocabulary = VocabularyPeer::retrieveByPK($id);
$this->getContext()->getResponse()->setStatusCode(200);
break;
case 'html':
//this URI does NOT have an 'id', HAS an 'html' suffix, and HAS a 'uri' action
//redirect to the base registry using the correct id for the scheme:
// http://metadataregistry.org/concept/list/vocabulary_id/16.html
$vocabulary = VocabularyPeer::retrieveByUri($schemeUri);
$this->forward404Unless($vocabulary);
//redirect
$this->getContext()->getResponse()->setStatusCode(303);
$this->redirect($this->getRequest()->getUriPrefix() . '/concept/list/vocabulary_id/' . $vocabulary->getId() . '.html');
break;
case 'uri':
//this URI does NOT have an 'id', HAS an 'rdf' suffix, and HAS a 'uri' action
//$this->getContext()->getResponse()->setStatusCode(303);
$vocabulary = VocabularyPeer::retrieveByUri($schemeUri);
break;
case 'api_uri':
//this URI does NOT have an 'id', does NOT have an 'html' suffix, and comes from the API
$uri = $this->getRequestParameter('uri', '');
$vocabulary = VocabularyPeer::retrieveByUri($uri);
break;
default:
//covers case of 'unknown' too
//this URI does NOT have an 'id', does NOT have a suffix, and HAS a 'uri' action
//do content negotiation
if (true === strpos($_SERVER['HTTP_ACCEPT'], 'text/html') || true === strpos($_SERVER['HTTP_ACCEPT'], 'application/xhtml+xml') || 0 === strpos($_SERVER['HTTP_USER_AGENT'], 'Mozilla')) {
//we redirect to html
$vocabulary = VocabularyPeer::retrieveByUri($schemeUri);
$this->forward404Unless($vocabulary);
//redirect
$this->redirect($this->getRequest()->getUriPrefix() . '/concept/list/vocabulary_id/' . $vocabulary->getId() . '.html');
} else {
$vocabulary = VocabularyPeer::retrieveByUri($schemeUri);
}
break;
}
$this->forward404Unless($vocabulary);
$this->vocabulary = $vocabulary;
//forward to the timeslice if there's a version
if ($version && !$ts) {
$c = new Criteria();
$c->add(VocabularyHasVersionPeer::NAME, $version);
$version = VocabularyHasVersionPeer::doSelectOne($c);
$this->forward404Unless($version, 'Unknown version!');
$ts = $version->getTimeslice('YmdHis');
$this->getRequest()->getParameterHolder()->set('ts', $ts);
$this->forward('xml', 'showScheme');
}
if (!$ts) {
$this->concepts = $vocabulary->getConcepts();
} else {
$this->concepts = ConceptPeer::doSelectConceptByHistoryTimestamp($vocabulary->getid(), $ts);
}
}
