/**
* Extract facets from the Solr response
*
* @param simplexml $xml solr response
* @return Facets, null if none
*/
protected function extractFacets($xml)
{
$facets = new Search\Facets();
$groups = $xml->xpath("//lst[@name='facet_fields']/lst");
if ($groups !== false && count($groups) > 0) {
foreach ($groups as $facet_group) {
// if only one entry, then all the results have this same facet,
// so no sense even showing this as a limit
$count = count($facet_group->int);
if ($count <= 1) {
continue;
}
$group_internal_name = (string) $facet_group["name"];
$group = new Search\FacetGroup();
$group->name = $group_internal_name;
$group->public = $this->config->getFacetPublicName($group_internal_name);
// put facets into an array
$facet_array = array();
foreach ($facet_group->int as $int) {
$facet_array[(string) $int["name"]] = (int) $int;
}
// date
$decade_display = array();
$is_date = $this->config->isDateType($group_internal_name);
if ($is_date == true) {
$date_arrays = $group->luceneDateToDecade($facet_array);
$decade_display = $date_arrays["display"];
$facet_array = $date_arrays["decades"];
}
foreach ($facet_array as $key => $value) {
$facet = new Search\Facet();
$facet->name = $key;
$facet->count = $value;
// dates are different
if ($is_date == true) {
$facet->name = $decade_display[$key];
$facet->is_date = true;
$facet->key = $key;
}
$group->addFacet($facet);
}
$facets->addGroup($group);
}
}
return $facets;
}
/**
* Perform normalization and analysis of PCI return value
* (a single record)
*
* @param simplexml $item The xml record from PCI
*
* @return array The processed record array
* @access protected
*/
protected function process($item)
{
global $configArray;
$primoRecord = $item->children('http://www.exlibrisgroup.com/xsd/primo/primo_nm_bib');
$links = array();
$backlink = '';
foreach ((array) $primoRecord->PrimoNMBib->record->links->linktorsrc as $val) {
$linkString = (string) $val;
$ini = strripos($linkString, '$$U');
if ($ini === false) {
continue;
}
$ini += 3;
$linkArray = explode('$$', substr($linkString, $ini));
if ($linkArray[0]) {
$links[] = $linkArray[0];
}
}
// Back links sometimes contain non-valid XML and thus cannot
// be treated like source links
$backlinkString = (string) $primoRecord->PrimoNMBib->record->links->backlink;
$ini = strripos($backlinkString, '$$U');
if ($ini !== false) {
$ini += 3;
$backlinkArray = explode('$$', substr($backlinkString, $ini));
if ($backlinkArray[0]) {
$backlink = $backlinkArray[0];
}
}
$openurl = '';
if (isset($configArray['OpenURL']['url']) && $configArray['OpenURL']['url']) {
// Parse the OpenURL and extract parameters
$link = $item->xpath('.//sear:LINKS/sear:openurl');
if (!$link) {
$link = $item->xpath('.//sear:GETIT/@GetIt2');
if (!$link || $link[0] == "") {
$link = $item->xpath('.//sear:GETIT/@GetIt1');
}
}
if ($link && strpos($link[0], 'url_ver=Z39.88-2004') !== false) {
$params = explode('&', substr($link[0], strpos($link[0], '?') + 1));
$openurl = 'rfr_id=' . urlencode($configArray['OpenURL']['rfr_id']);
foreach ($params as $param) {
if (substr($param, 0, 7) != 'rfr_id=') {
$openurl .= '&' . $param;
}
}
}
}
$fulltext = (string) $primoRecord->PrimoNMBib->record->delivery->fulltext;
$title = $this->hiLite((string) $primoRecord->PrimoNMBib->record->display->title);
$authors = explode(' ; ', (string) $primoRecord->PrimoNMBib->record->display->creator);
foreach ($authors as &$author) {
$author = $this->hiLite($author);
}
return array('title' => $title, 'author' => $authors, 'AdditionalAuthors' => (array) $primoRecord->PrimoNMBib->record->search->creatorcontrib, 'source' => (string) $primoRecord->PrimoNMBib->record->display->source, 'publicationDate' => (string) $primoRecord->PrimoNMBib->record->search->creationdate, 'publicationTitle' => (string) $primoRecord->PrimoNMBib->record->display->ispartof, 'openUrl' => !empty($openurl) ? $openurl : null, 'url' => $links, 'backlink' => $backlink, 'fulltext' => $fulltext, 'fullrecord' => $item->asXML(), 'id' => 'pci.' . (string) $primoRecord->PrimoNMBib->record->search->recordid, 'format' => (string) $primoRecord->PrimoNMBib->record->display->type, 'ISSN' => (string) $primoRecord->PrimoNMBib->record->search->issn, 'language' => (string) $primoRecord->PrimoNMBib->record->facets->language, 'subjectTerms' => (array) $primoRecord->PrimoNMBib->record->search->subject, 'snippet' => (string) $primoRecord->PrimoNMBib->record->display->description, 'volume' => (string) $primoRecord->PrimoNMBib->record->addata->volume, 'issue' => (string) $primoRecord->PrimoNMBib->record->addata->issue, 'startPage' => '', 'endPage' => '');
}
/**
* Extract facets from the Solr response
*
* @param simplexml $xml solr response
* @return Facets null if none
*/
protected function extractFacets($xml)
{
$facets = new Search\Facets();
$groups = $xml->xpath("//lst[@name='facet_fields']/lst");
if ($groups !== false && count($groups) > 0) {
foreach ($groups as $facet_group) {
// if only one entry, then all the results have this same facet,
// so no sense even showing this as a limit
$count = count($facet_group->int);
if ($count <= 1) {
continue;
}
$group_internal_name = (string) $facet_group["name"];
$group = new Search\FacetGroup();
$group->name = $group_internal_name;
// put facets into an array
$facet_array = array();
foreach ($facet_group->int as $int) {
$facet_array[(string) $int["name"]] = (int) $int;
}
$is_date = $this->config->isDateType($group_internal_name);
foreach ($facet_array as $key => $value) {
$facet = new Search\Facet();
$facet->name = $key;
$facet->count = $value;
if ($is_date == true) {
$facet->is_date = true;
$facet->timestamp = strtotime("1/1/{$key}") * 1000;
}
$group->addFacet($facet);
}
$facets->addGroup($group);
}
}
return $facets;
}
