/**
* Constructor
*
* @access public
*/
public function __construct()
{
global $interface;
global $configArray;
// Call parent constructor
parent::__construct();
// Fetch Record
$config = getExtraConfigArray('MetaLib');
$metalib = new MetaLib();
$this->record = $metalib->getRecord($_REQUEST['id']);
if (PEAR::isError($this->record)) {
PEAR::raiseError($this->record);
}
// Get record driver
$this->recordDriver = RecordDriverFactory::initRecordDriver($this->record);
// Set Proxy URL
$interface->assign('proxy', isset($configArray['EZproxy']['host']) ? $configArray['EZproxy']['host'] : false);
// Whether RSI is enabled
if (isset($configArray['OpenURL']['use_rsi']) && $configArray['OpenURL']['use_rsi']) {
$interface->assign('rsi', true);
}
// Whether embedded openurl autocheck is enabled
if (isset($configArray['OpenURL']['autocheck']) && $configArray['OpenURL']['autocheck']) {
$interface->assign('openUrlAutoCheck', true);
}
// Send record ID to template
$interface->assign('id', $_REQUEST['id']);
// Send down legal export formats (if any):
$interface->assign('exportFormats', array('RefWorks', 'EndNote'));
// Set AddThis User
$interface->assign('addThis', isset($configArray['AddThis']['key']) ? $configArray['AddThis']['key'] : false);
// Get core metadata
$interface->assign('coreMetadata', $this->recordDriver->getCoreMetadata());
}
/**
* Get data and output in JSON
*
* @return void
* @access public
*/
public function getRSIStatuses()
{
//<SFX server>:<port>/<sfx_instance>/cgi/core/rsi/rsi.cgi
global $configArray;
if (!isset($configArray['OpenURL']['url'])) {
return $this->output(array(), JSON::STATUS_OK);
}
$sfxUrl = $configArray['OpenURL']['url'] . "/cgi/core/rsi/rsi.cgi";
$metalib = new MetaLib();
$indexEngine = SearchObjectFactory::initSearchObject()->getIndexEngine();
$dom = new DOMDocument('1.0', 'UTF-8');
// ID REQUEST
$idReq = $dom->createElement('IDENTIFIER_REQUEST', '');
$idReq->setAttribute("VERSION", "1.0");
$idReq->setAttribute("xsi:noNamespaceSchemaLocation", "ISSNRequest.xsd");
$idReq->setAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
$dom->appendChild($idReq);
// Cache values and status in an array
$rsiResults = array();
$validRequest = false;
foreach ($_REQUEST['id'] as $id) {
if (strncmp($id, 'metalib.', 8) == 0) {
if (!($record = $metalib->getRecord($id))) {
$this->output('Record does not exist', JSON::STATUS_ERROR);
return;
}
$values = array('isbn' => !empty($record['ISBN']) ? $record['ISBN'][0] : '', 'issn' => !empty($record['ISSN']) ? $record['ISSN'][0] : '', 'year' => !empty($record['PublicationDate']) ? $record['PublicationDate'][0] : '', 'volume' => !empty($record['Volume']) ? $record['Volume'] : '', 'issue' => !empty($record['Issue']) ? $record['Issue'] : '', 'institute' => isset($configArray['OpenURL']['institute']) ? $configArray['OpenURL']['institute'] : '');
} else {
if (!($record = $indexEngine->getRecord($id))) {
$this->output('Record does not exist', JSON::STATUS_ERROR);
return;
}
$recordDriver = RecordDriverFactory::initRecordDriver($record);
$values = $recordDriver->getRSIValues($recordDriver);
}
$result = array('id' => $id, 'status' => 'noInformation');
// Ignore the record if mandatory elements are not available
if (empty($values['issn']) && empty($values['isbn'])) {
// Mark this result invalid so it can be skipped when processing results
$result['invalid'] = true;
$rsiResults[] = $result;
continue;
}
$rsiResults[] = $result;
$validRequest = true;
// ID REQUEST ITEM
$idReqItem = $dom->createElement('IDENTIFIER_REQUEST_ITEM', '');
$idReq->appendChild($idReqItem);
// ID
if (!empty($values['issn'])) {
$identifier = $dom->createElement('IDENTIFIER', 'issn:' . $values['issn']);
$idReqItem->appendChild($identifier);
}
if (!empty($values['isbn'])) {
$identifier = $dom->createElement('IDENTIFIER', 'isbn:' . $values['isbn']);
$idReqItem->appendChild($identifier);
}
// Optional elements
if ($values['year']) {
$year = $dom->createElement('YEAR', $values['year']);
$idReqItem->appendChild($year);
}
if ($values['volume']) {
$volume = $dom->createElement('VOLUME', $values['volume']);
$idReqItem->appendChild($volume);
}
if ($values['issue']) {
$issue = $dom->createElement('ISSUE', $values['issue']);
$idReqItem->appendChild($issue);
}
if ($values['institute']) {
$institute = $dom->createElement('INSTITUTE_NAME', $values['institute']);
$idReqItem->appendChild($institute);
}
}
if (!$validRequest) {
return $this->output(array(), JSON::STATUS_OK);
}
$xml = $dom->saveXML();
$req = new Proxy_Request($sfxUrl, array('saveBody' => true));
$req->setMethod(HTTP_REQUEST_METHOD_POST);
$req->addPostData('request_xml', $xml);
$req->sendRequest();
$code = $req->getResponseCode();
if ($code != 200) {
$this->output("SFX RSI request failed ({$code})", JSON::STATUS_ERROR);
return;
}
$dom->loadXML($req->getResponseBody());
$items = $dom->getElementsByTagName('IDENTIFIER_RESPONSE_ITEM');
$position = -1;
foreach ($items as $item) {
$requests = $dom->getElementsByTagName('IDENTIFIER_REQUEST_ITEM');
$request = $requests->item(0);
$position++;
// Bypass invalid ID's and stop if at the end of list.
while (isset($rsiResults[$position]['invalid'])) {
++$position;
}
if (!isset($rsiResults[$position])) {
break;
}
$result = $item->getElementsByTagName('RESULT')->item(0)->nodeValue;
if ($result == 'not found') {
$rsiResults[$position]['status'] = 'noFullText';
} elseif ($result == 'maybe') {
$rsiResults[$position]['status'] = 'maybeFullText';
} else {
foreach ($item->getElementsByTagName('AVAILABLE_SERVICES') as $service) {
if ($service->nodeValue == 'getFullTxt') {
$peerReviewed = false;
foreach ($item->getElementsByTagName('PEER_REVIEWED') as $peer) {
if ($peer->nodeValue == 'YES') {
$peerReviewed = true;
break;
}
}
$rsiResults[$position]['status'] = $peerReviewed ? 'peerReviewedFullText' : 'fullText';
break;
}
}
}
}
$results = array();
foreach ($rsiResults as $result) {
$results[] = array('id' => $result['id'], 'status' => $result['status']);
}
return $this->output($results, JSON::STATUS_OK);
}
/**
* Get record and export data
* Display error message on terminal error or email details page on success
*
* @param string $format The desired export format
* @param array $ids A list of bib IDs
*
* @return array Record data for each ID, plus an list of IDs without results
* @access public
*/
public function exportAll($format, $ids)
{
global $interface;
global $configArray;
$exportDetails = array();
$errorMsgDetails = array();
// MARC-XML needs a container at the start:
if ($format == 'MARCXML') {
$exportDetails[] = '<?xml version="1.0" encoding="UTF-8"?>' . '<collection xmlns="http://www.loc.gov/MARC21/slim">';
}
foreach ($ids as $id) {
// Retrieve the record from the index
list($index, $recId) = explode('.', $id, 2);
$current = null;
if ($index === 'pci' || $index === 'metalib') {
$format = strtolower($format);
if ($index === 'pci') {
$db = new SearchObject_PCI();
if ($rec = $db->getRecord($id)) {
$pci = new PCI();
$current = $interface->fetch($pci->export($rec, $format));
}
} else {
if ($index === 'metalib') {
$db = new MetaLib();
if ($rec = $db->getRecord($id)) {
$current = $interface->fetch($db->export($rec, $format));
}
}
}
if ($current) {
$exportDetails[] = $current;
} else {
$errorMsgDetails[] = $id;
}
} else {
if (!($record = $this->db->getRecord($id))) {
$errorMsgDetails[] = $id;
} else {
$recordDetails = RecordDriverFactory::initRecordDriver($record);
// Assign core metadata to be sure export has all necessary values
// available:
$recordDetails->getCoreMetadata();
$result = $recordDetails->getExport($format);
if (!empty($result)) {
$interface->assign('id', $id);
$current = $interface->fetch($result);
// For MARC-XML, extract <record> from <collection>:
if ($format == 'MARCXML') {
$current = $this->extractXMLRecord($current);
}
if (!empty($current)) {
$exportDetails[] = $current;
}
} else {
$errorMsgDetails[] = $id;
}
}
}
}
// MARC-XML needs a container close at the end:
if ($format == 'MARCXML') {
$exportDetails[] = '</collection>';
}
$results = array('exportDetails' => $exportDetails, 'errorDetails' => $errorMsgDetails);
return $results;
}
/**
* Get data and output in JSON
*
* @return void
* @access public
*/
public function getbXRecommendations()
{
global $configArray;
if (!isset($configArray['bX']['token'])) {
$this->output('bX support not enabled', JSON::STATUS_ERROR);
return;
}
$id = $_REQUEST['id'];
if (strncmp($id, 'metalib.', 8) == 0) {
include_once 'sys/MetaLib.php';
$metalib = new MetaLib();
if (!($record = $metalib->getRecord($id))) {
$this->output('Record does not exist', JSON::STATUS_ERROR);
return;
}
$openUrl = $record['openUrl'];
} elseif (strncmp($id, 'pci.', 4) == 0) {
include_once 'sys/PCI.php';
$pci = new PCI();
if (!($record = $pci->getRecord($id))) {
$this->output('Record does not exist', JSON::STATUS_ERROR);
return;
}
$openUrl = $record['openUrl'];
} else {
$searchObject = SearchObjectFactory::initSearchObject();
if (!($record = $searchObject->getIndexEngine()->getRecord($id))) {
$this->output('Record does not exist', JSON::STATUS_ERROR);
return;
}
$recordDriver = RecordDriverFactory::initRecordDriver($record);
$openUrl = $recordDriver->getOpenURL();
}
$params = http_build_query(array('token' => $configArray['bX']['token'], 'format' => 'xml', 'source' => isset($configArray['bX']['source']) ? $configArray['bX']['source'] : 'global', 'maxRecords' => isset($configArray['bX']['maxRecords']) ? $configArray['bX']['maxRecords'] : '5', 'threshold' => isset($configArray['bX']['threshold']) ? $configArray['bX']['threshold'] : '50'));
$openUrl .= '&res_dat=' . urlencode($params);
$baseUrl = isset($configArray['bX']['baseUrl']) ? $configArray['bX']['baseUrl'] : 'http://recommender.service.exlibrisgroup.com/service/recommender/openurl';
$client = new HTTP_Request();
$client->setMethod(HTTP_REQUEST_METHOD_GET);
$client->setURL($baseUrl . "?{$openUrl}");
$result = $client->sendRequest();
if (!PEAR::isError($result)) {
// Even if we get a response, make sure it's a 'good' one.
if ($client->getResponseCode() != 200) {
$this->output('bX request failed, response code ' . $client->getResponseCode(), JSON::STATUS_ERROR);
}
} else {
$this->_output('bX request failed: ' . $result, JSON::STATUS_ERROR);
}
$xml = simplexml_load_string($client->getResponseBody());
$data = array();
$jnl = 'info:ofi/fmt:xml:xsd:journal';
$xml->registerXPathNamespace('jnl', $jnl);
foreach ($xml->xpath('//jnl:journal') as $journal) {
$item = $this->convertToArray($journal, $jnl);
if (!isset($item['authors']['author'][0])) {
$item['authors']['author'] = array($item['authors']['author']);
}
$item['openurl'] = $this->createOpenUrl($item);
$data[] = $item;
}
$this->output($data, JSON::STATUS_OK);
}
/**
* Support method -- get details about records based on an array of IDs.
*
* @param array $ids IDs to look up.
*
* @return array
* @access protected
*/
protected function getRecordDetails($ids)
{
global $interface;
$recordList = array();
$metalib = null;
$pci = null;
foreach ($ids as $id) {
if (strncmp($id, 'metalib.', 8) == 0) {
if (!isset($metalib)) {
$metalib = new MetaLib();
}
$record = $metalib->getRecord($id);
$record['id'] = $id;
$interface->assign('record', $record);
$email = $interface->fetch('MetaLib/result-email.tpl');
$recordList[] = array('id' => $id, 'isbn' => isset($record['ISBN'][0]) ? $record['ISBN'][0] : '', 'author' => isset($record['Author'][0]) ? $record['Author'][0] : '', 'title' => isset($record['Title'][0]) ? $record['Title'][0] : '', 'format' => isset($record['format'][0]) ? $record['format'][0] : '', 'email' => $email);
} elseif (strncmp($id, 'pci.', 4) == 0) {
if (!isset($pci)) {
$pci = new PCI();
}
$record = $pci->getRecord($id);
$interface->assign('record', $record);
$email = $interface->fetch('PCI/result-email.tpl');
$recordList[] = array('id' => $id, 'isbn' => '', 'author' => isset($record['author'][0]) ? $record['author'][0] : '', 'title' => isset($record['title']) ? $record['title'] : '', 'format' => isset($record['format']) ? $record['format'] : '', 'email' => $email);
} else {
$record = $this->db->getRecord($id);
$driver = RecordDriverFactory::initRecordDriver($record);
$email = $interface->fetch($driver->getSearchResult('email'));
$recordList[] = array('id' => $id, 'isbn' => isset($record['isbn']) ? $record['isbn'] : '', 'author' => isset($record['author']) ? $record['author'] : '', 'title' => $driver->getTitle(), 'format' => $record['format'], 'email' => $email);
}
}
return $recordList;
}
