SimonXIX/reading_lists.php

## reading_lists.php
<?php
# @name: reading_lists.php
# @version: 0.1
# @license: GNU General Public License version 3 (GPLv3) <https://www.gnu.org/licenses/gpl-3.0.en.html>
# @purpose: Display real-time reading lists information for Imperial College Library
# @author: Simon Barron <s.barron@imperial.ac.uk>
# @acknowledgements: Based on a script by Chris Keene available at https://gist.github.com/chriskeene
?>
<html>
<head>
   <meta http-equiv="refresh" content="300">
   <link rel="stylesheet" href="reading_lists.css">
   <title>Reading lists - Imperial College London</title>
</head>
<body>
<table>
   <tr>
      <th>List ID</th>
      <th>Reading list name</th>
      <th>Title</th>
      <th>Author</th>
      <th>ISBN/ISSN</th>
   </tr>
<?php

$course001 = urlencode('xxxxxxxxxxxxxx');

$coursearray = [$course001];

function curlMultiRequest($urls) {
    $ch = array();
    $results = array();
    $mh = curl_multi_init();
    foreach($urls as $key => $val) {
        $ch[$key] = curl_init();
        curl_setopt($ch[$key],CURLOPT_RETURNTRANSFER,1);
        curl_setopt($ch[$key], CURLOPT_URL, $val);
        //curl_setopt ($ch[$key], CURLOPT_FAILONERROR,1);
        // follow line enables https
        curl_setopt($ch[$key], CURLOPT_SSL_VERIFYPEER, false);
        curl_multi_add_handle($mh, $ch[$key]);
    }
    $running = null;
    do {
        $status = curl_multi_exec($mh, $running);
        $info = curl_multi_info_read($mh);
                if ( $info['result'] != 0 ) {
                    //print_r($info);
                }
    }
    while ($running > 0);
    // Get content and remove handles.
    foreach ($ch as $key => $val) {
        $results[$key] = curl_multi_getcontent($val);
        curl_multi_remove_handle($mh, $val);
    }
    curl_multi_close($mh);
    return $results;
}

function getItems(){
        global $coursearray;
        $apikey = urlencode('xxxxxxxxxxxxxx');
        $baseurl = 'https://api-eu.hosted.exlibrisgroup.com/almaws/v1/courses/';
        $format = 'xml';
        $count=0;

        $suffixurl = '/reading-lists' . '?apikey=' . $apikey . '&format=' . $format;
        foreach ($coursearray as $key => $value){
           $urllist['readinglists'][$key] = $baseurl . $value . $suffixurl;
        }
        $readinglists = curlMultiRequest($urllist['readinglists']);

        foreach ($readinglists as $key => $value){
           $xml = new SimpleXMLElement($value);
           $items[$key]['reading_list_id'] = $xml->reading_list->id;
           $items[$key]['reading_list_name'] = $xml->reading_list->name;
                   }

        $suffixurl = '/citations' . '?apikey=' . $apikey . '&format=' . $format;
        foreach ($items as $key => $value){
           $itemurls[$key] = $baseurl . $coursearray[$key] . '/reading-lists/' . urlencode($value['reading_list_id']) . $suffixurl;
        }
        $itemsxml = curlMultiRequest($itemurls);
        foreach ($itemsxml as $key => $value){
           $itemxml = new SimpleXMLElement($value);
           $item = $itemxml->xpath('/citations/citation');
           foreach($item as $key => $value){
              $items[$key]['reading_list_id'] = $items[0]['reading_list_id'];
              $items[$key]['reading_list_name'] = $items[0]['reading_list_name'];
              $items[$key]['title'] = (string) $value->metadata->title;
              $items[$key]['author'] = (string) $value->metadata->author;
              $items[$key]['isbn'] = (string) $value->metadata->isbn;
              print
                 "<tr><td>" . $items[$key]['reading_list_id'] . "</td><td>" . $items[$key]['reading_list_name'] . "</td><td>" . $items[$key]['title'] . "</td><td>" . $items[$key]['author'] . "</td><td>" . $items[$key]['isbn'] . "</td></tr>";

           }
        }
}

getItems();

?>

</table>
</body>
</html>
	<?php
	# @name: reading_lists.php
	# @version: 0.1
	# @license: GNU General Public License version 3 (GPLv3) <https://www.gnu.org/licenses/gpl-3.0.en.html>
	# @purpose: Display real-time reading lists information for Imperial College Library
	# @author: Simon Barron <s.barron@imperial.ac.uk>
	# @acknowledgements: Based on a script by Chris Keene available at https://gist.github.com/chriskeene
	?>
	<html>
	<head>
	<meta http-equiv="refresh" content="300">
	<link rel="stylesheet" href="reading_lists.css">
	<title>Reading lists - Imperial College London</title>
	</head>
	<body>
	<table>
	<tr>
	<th>List ID</th>
	<th>Reading list name</th>
	<th>Title</th>
	<th>Author</th>
	<th>ISBN/ISSN</th>
	</tr>
	<?php

	$course001 = urlencode('xxxxxxxxxxxxxx');

	$coursearray = [$course001];

	function curlMultiRequest($urls) {
	$ch = array();
	$results = array();
	$mh = curl_multi_init();
	foreach($urls as $key => $val) {
	$ch[$key] = curl_init();
	curl_setopt($ch[$key],CURLOPT_RETURNTRANSFER,1);
	curl_setopt($ch[$key], CURLOPT_URL, $val);
	//curl_setopt ($ch[$key], CURLOPT_FAILONERROR,1);
	// follow line enables https
	curl_setopt($ch[$key], CURLOPT_SSL_VERIFYPEER, false);
	curl_multi_add_handle($mh, $ch[$key]);
	}
	$running = null;
	do {
	$status = curl_multi_exec($mh, $running);
	$info = curl_multi_info_read($mh);
	if ( $info['result'] != 0 ) {
	//print_r($info);
	}
	}
	while ($running > 0);
	// Get content and remove handles.
	foreach ($ch as $key => $val) {
	$results[$key] = curl_multi_getcontent($val);
	curl_multi_remove_handle($mh, $val);
	}
	curl_multi_close($mh);
	return $results;
	}

	function getItems(){
	global $coursearray;
	$apikey = urlencode('xxxxxxxxxxxxxx');
	$baseurl = 'https://api-eu.hosted.exlibrisgroup.com/almaws/v1/courses/';
	$format = 'xml';
	$count=0;

	$suffixurl = '/reading-lists' . '?apikey=' . $apikey . '&format=' . $format;
	foreach ($coursearray as $key => $value){
	$urllist['readinglists'][$key] = $baseurl . $value . $suffixurl;
	}
	$readinglists = curlMultiRequest($urllist['readinglists']);

	foreach ($readinglists as $key => $value){
	$xml = new SimpleXMLElement($value);
	$items[$key]['reading_list_id'] = $xml->reading_list->id;
	$items[$key]['reading_list_name'] = $xml->reading_list->name;
	}

	$suffixurl = '/citations' . '?apikey=' . $apikey . '&format=' . $format;
	foreach ($items as $key => $value){
	$itemurls[$key] = $baseurl . $coursearray[$key] . '/reading-lists/' . urlencode($value['reading_list_id']) . $suffixurl;
	}
	$itemsxml = curlMultiRequest($itemurls);
	foreach ($itemsxml as $key => $value){
	$itemxml = new SimpleXMLElement($value);
	$item = $itemxml->xpath('/citations/citation');
	foreach($item as $key => $value){
	$items[$key]['reading_list_id'] = $items[0]['reading_list_id'];
	$items[$key]['reading_list_name'] = $items[0]['reading_list_name'];
	$items[$key]['title'] = (string) $value->metadata->title;
	$items[$key]['author'] = (string) $value->metadata->author;
	$items[$key]['isbn'] = (string) $value->metadata->isbn;
	print
	"<tr><td>" . $items[$key]['reading_list_id'] . "</td><td>" . $items[$key]['reading_list_name'] . "</td><td>" . $items[$key]['title'] . "</td><td>" . $items[$key]['author'] . "</td><td>" . $items[$key]['isbn'] . "</td></tr>";

	}
	}
	}

	getItems();

	?>

	</table>
	</body>
	</html>