/**
* Search and return results
* Called from SearchController::resultsAction
* Required by abstract parent
*
* @param Query $search search object
* @param int $start [optional] starting record number
* @param int $max [optional] max records
* @param string $sort [optional] sort order
*
* @return Results
*/
public function searchRetrieve(Search\Query $search, $start = 0, $max = 100, $sort = "")
{
$start = $start - 1;
// allow for pz2 starting from 0
$max = $max - 1;
$results = $this->client->pz2_show($start, $max, $sort);
$pzt = new Targets(null, array_keys($search->getTargetLocations()));
$result_set = new MergedResultSet($results, $pzt);
// fetch facets
// only if facets should be shown and there are more than facet_min results
if ($this->conf()->getConfig('FACET_FIELDS', false) == true && $result_set->total > $this->conf()->getConfig('FACET_MIN', false)) {
$terms = array_keys($this->conf()->getFacets());
$xml = $this->client->pz2_termlist($terms, $this->conf()->getConfig('FACET_MAX', false));
$facets = $this->extractFacets($xml);
$result_set->setFacets($facets);
}
return $result_set;
}