/**
* Transform XML to HTML
*
* @param mixed $xml XML-like data
* @param string $path_to_xsl
* @param array $params
*/
protected function transform($xml, $path_to_xsl, array $params = array())
{
$registry = Registry::getInstance();
$import_array = array();
// the xsl lives here
$distro_xsl_dir = $this->_script_path . "/";
$local_xsl_dir = realpath(getcwd()) . "/views/";
// language file
$request = new Request();
$language = $request->getParam("lang");
if ($language == "") {
$language = $registry->defaultLanguage();
}
// english file is included by default (as a fallback)
array_push($import_array, "labels/eng.xsl");
// if language is set to something other than english
// then include that file to override the english labels
if ($language != "eng" && $language != '') {
array_push($import_array, "labels/{$language}.xsl");
}
// make sure we've got a reference to the local includes too
array_push($import_array, "includes.xsl");
// transform
$xsl = new Xsl($distro_xsl_dir, $local_xsl_dir);
return $xsl->transformToXml($xml, $path_to_xsl, $this->format, $params, $import_array);
}
/**
* Merge the search results
*
* @param string $primary_sort primary sort order
* @param string $secondary_sort secondary sort order
*
* @return Status
*/
public function merge($primary_sort = null, $secondary_sort = null)
{
// merge results
$merged_xml = $this->client()->merge($this->id, $primary_sort, $secondary_sort);
// create new merged set
$this->merged_set = new MergedResultSet($merged_xml);
// fetch facets
// only if we should show facets and there is more than 15 results
if ($this->merged_set->total > 15) {
// full version (this is huge)
$facet_xml = $this->client()->getFacets($this->merged_set->set_number, "all");
$this->cache()->set("facets-" . $this->id, $facet_xml->saveXML());
// slimmed down version (used for display)
$xsl = new Xsl(__DIR__, getcwd());
$facets_slim = $xsl->transformToXml($facet_xml, "xsl/facets-slim.xsl");
$this->cache()->set("facets-slim-" . $this->id, $facets_slim);
}
// update search status
return $this->getSearchStatus();
}