/**
* Performs the search function calls. And wraps the result in a json-ld object.
* @param Request $request
*/
public function search($request)
{
$maxhits = $request->getQueryParam('maxhits');
$offset = $request->getQueryParam('offset');
$term = $request->getQueryParam('query');
if (!$term) {
return $this->returnError(400, "Bad Request", "query parameter missing");
}
if ($maxhits && (!is_numeric($maxhits) || $maxhits <= 0)) {
return $this->returnError(400, "Bad Request", "maxhits parameter is invalid");
}
if ($offset && (!is_numeric($offset) || $offset < 0)) {
return $this->returnError(400, "Bad Request", "offset parameter is invalid");
}
$vocid = $request->getVocabId();
# optional
$lang = $request->getQueryParam('lang');
# optional
$labellang = $request->getQueryParam('labellang');
# optional
$types = $request->getQueryParam('type') ? explode(' ', $request->getQueryParam('type')) : array('skos:Concept');
$parent = $request->getQueryParam('parent');
$group = $request->getQueryParam('group');
$fields = $request->getQueryParam('fields') ? explode(' ', $request->getQueryParam('fields')) : null;
// convert to vocids array to support multi-vocabulary search
$vocids = !empty($vocid) ? explode(' ', $vocid) : null;
$results = $this->model->searchConcepts($term, $vocids, $labellang, $lang, $types, $parent, $group, $offset, $maxhits, true, $fields);
// before serializing to JSON, get rid of the Vocabulary object that came with each resource
foreach ($results as &$res) {
unset($res['voc']);
}
$ret = array('@context' => array('skos' => 'http://www.w3.org/2004/02/skos/core#', 'onki' => 'http://schema.onki.fi/onki#', 'uri' => '@id', 'type' => '@type', 'results' => array('@id' => 'onki:results', '@container' => '@list'), 'prefLabel' => 'skos:prefLabel', 'altLabel' => 'skos:altLabel', 'hiddenLabel' => 'skos:hiddenLabel', 'broader' => 'skos:broader'), 'uri' => '', 'results' => $results);
if ($labellang) {
$ret['@context']['@language'] = $labellang;
} elseif ($lang) {
$ret['@context']['@language'] = $lang;
}
return $this->returnJson($ret);
}
