/**
* Do the actual search
*
* @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
*/
protected function doSearch(Search\Query $search, $start = 1, $max = 10, $sort = "")
{
// prepare the query
$query = $search->toQuery();
// facets to include in the response
$facets_to_include = array();
foreach ($this->config->getFacets() as $facet_config) {
$facets_to_include[(string) $facet_config["internal"]] = (string) $facet_config["internal"] . ",or,1," . (string) $facet_config["max"];
}
// limits
$facets = array();
foreach ($search->getLimits(true) as $limit) {
// remove chosen facet from response
// @todo: make multi-value facets selectable
$facets_to_include = Parser::removeFromArray($facets_to_include, $limit->field);
array_push($facets, $limit->field . "," . str_replace(',', '\\,', $limit->value) . ",false");
}
// set actual response facets
$this->summon_client->setFacetsToInclude($facets_to_include);
// filter out formats
foreach ($this->formats_exclude as $format) {
array_push($facets, "ContentType,{$format},true");
}
// holdings only
if ($search->isHoldingsOnly()) {
$this->summon_client->limitToHoldings();
}
// summon deals in pages, not start record number
if ($max > 0) {
$page = ceil($start / $max);
} else {
$page = 1;
}
// get the results
$summon_results = $this->summon_client->query($query, $facets, $page, $max, $sort);
return $this->parseResponse($summon_results);
}
