/**
* Support method for performAndProcessSearch -- perform a search based on the
* parameters passed to the object.
*
* @return void
*/
protected function performSearch()
{
// The "relevance" sort option is a VuFind reserved word; we need to make
// this null in order to achieve the desired effect with Summon:
$sort = $this->getParams()->getSort();
$finalSort = $sort == 'relevance' ? null : $sort;
// Perform the actual search
$summon = $this->getSummonConnection();
$query = new SummonQuery($summon->buildQuery($this->getParams()->getSearchTerms()), array('sort' => $finalSort, 'pageNumber' => $this->getParams()->getPage(), 'pageSize' => $this->getParams()->getLimit(), 'didYouMean' => $this->getOptions()->spellcheckEnabled()));
if ($this->getOptions()->highlightEnabled()) {
$query->setHighlight(true);
$query->setHighlightStart('{{{{START_HILITE}}}}');
$query->setHighlightEnd('{{{{END_HILITE}}}}');
}
$query->initFacets($this->getParams()->getFullFacetSettings());
$query->initFilters($this->getParams()->getFilterList());
$this->rawResponse = $summon->query($query);
// Add fake date facets if flagged earlier; this is necessary in order
// to display the date range facet control in the interface.
$dateFacets = $this->getParams()->getDateFacetSettings();
if (!empty($dateFacets)) {
if (!isset($this->rawResponse['facetFields'])) {
$this->rawResponse['facetFields'] = array();
}
foreach ($dateFacets as $dateFacet) {
$this->rawResponse['facetFields'][] = array('fieldName' => 'PublicationDate', 'displayName' => 'PublicationDate', 'counts' => array());
}
}
// Save spelling details if they exist.
if ($this->getOptions()->spellcheckEnabled()) {
$this->processSpelling();
}
// Store relevant details from the search results:
$this->resultTotal = $this->rawResponse['recordCount'];
// Construct record drivers for all the items in the response:
$this->results = array();
foreach ($this->rawResponse['documents'] as $current) {
$this->results[] = $this->initRecordDriver($current);
}
}
