public function doExecute()
{
$configToken = $this->registry->getConfig("BX_TOKEN", false);
if ($configToken != null) {
$configBX = $this->registry->getConfig("BX_SERVICE_URL", false, "http://recommender.service.exlibrisgroup.com/service");
$configLinkResolver = $this->registry->getConfig("LINK_RESOLVER_ADDRESS", true);
$configSID = $this->registry->getConfig("APPLICATION_SID", false, "calstate.edu:xerxes");
$configMaxRecords = $this->registry->getConfig("BX_MAX_RECORDS", false, "10");
$configMinRelevance = $this->registry->getConfig("BX_MIN_RELEVANCE", false, "0");
$open_url = $this->request->getData("//openurl_kev_co");
$url = $configBX . "/recommender/openurl?token={$configToken}&{$open_url}&res_dat=source=global&threshold={$configMinRelevance}&maxRecords={$configMaxRecords}";
try {
$xml = Xerxes_Framework_Parser::request($url, 4);
if ($xml == "") {
throw new Exception("No response from bx service");
}
} catch (Exception $e) {
trigger_error("Could not get result from bX service: " . $e->getTraceAsString(), E_USER_WARNING);
return 1;
}
// header("Content-type: text/xml"); echo $xml; exit;
$doc = new Xerxes_BxRecord_Document();
$doc->loadXML($xml);
$objXml = new DOMDocument();
$objXml->loadXML("<recommendations />");
$results = $doc->records();
$x = 0;
if (count($results) > 1) {
foreach ($doc->records() as $record) {
// first one is the same document
if ($x == 0) {
$x++;
continue;
}
$objRecord = $objXml->createElement("record");
$objXml->documentElement->appendChild($objRecord);
$objImport = $objXml->importNode($record->toXML()->documentElement, true);
$objRecord->appendChild($objImport);
$strOpenURL = $record->getOpenURL($configLinkResolver, $configSID);
$objOpenURL = $objXml->createElement("url_open", Xerxes_Framework_Parser::escapeXML($strOpenURL));
$objRecord->appendChild($objOpenURL);
}
}
$this->request->addDocument($objXml);
}
return 1;
}
/**
* Enhance record with bx recommendations
*/
protected function addRecommendations()
{
// only the first one yo!
$record = $this->results[0];
$configToken = $this->registry->getConfig("BX_TOKEN", false);
if ($configToken != null) {
$configBX = $this->registry->getConfig("BX_SERVICE_URL", false, "http://recommender.service.exlibrisgroup.com/service");
$configSID = $this->registry->getConfig("APPLICATION_SID", false, "calstate.edu:xerxes");
$configMaxRecords = $this->registry->getConfig("BX_MAX_RECORDS", false, "10");
$configMinRelevance = $this->registry->getConfig("BX_MIN_RELEVANCE", false, "0");
$open_url = $record->getOpenURL(null, $configSID);
$url = $configBX . "/recommender/openurl?token={$configToken}&{$open_url}&res_dat=source=global&threshold={$configMinRelevance}&maxRecords={$configMaxRecords}";
$xml = Xerxes_Framework_Parser::request($url);
// header("Content-type: text/xml"); echo $xml; exit;
$doc = new Xerxes_BxRecord_Document();
$doc->loadXML($xml);
$records = $doc->records();
for ($x = 1; $x < count($records); $x++) {
array_push($this->recommendations, $records[$x]);
}
}
}
