/**
* Get Item Statuses
*
* This is responsible for printing the holdings information for a
* collection of records in XML format.
*
* @access public
* @author Chris Delis <*****@*****.**>
*/
function GetItemStatuses()
{
global $configArray;
require_once ROOT_DIR . '/CatalogConnection.php';
// Try to find a copy that is available
$catalog = new CatalogConnection($configArray['Catalog']['driver']);
$result = $catalog->getStatuses($_GET['id']);
// In order to detect IDs missing from the status response, create an
// array with a key for every requested ID. We will clear keys as we
// encounter IDs in the response -- anything left will be problems that
// need special handling.
$missingIds = array_flip($_GET['id']);
// Loop through all the status information that came back
foreach ($result as $record) {
// If we encountered errors, skip those problem records.
if (PEAR_Singleton::isError($record)) {
continue;
}
$available = false;
$location = '';
$recordId = '';
$reserve = '';
$callnumber = '';
if (count($record)) {
foreach ($record as $info) {
if ($recordId == '') {
$recordId = $info['id'];
}
if ($reserve == '') {
$reserve = $info['reserve'];
}
if ($callnumber == '') {
$callnumber = $info['callnumber'];
}
// Find an available copy
if ($info['availability']) {
$available = true;
}
// Has multiple locations?
if ($location != 'Multiple Locations') {
if ($location != '') {
if ($info['location'] != $location) {
$location = 'Multiple Locations';
} else {
$location = htmlspecialchars($info['location']);
}
} else {
$location = htmlspecialchars($info['location']);
}
}
}
// The current ID is not missing -- remove it from the missing list.
unset($missingIds[$recordId]);
echo ' <item id="' . htmlspecialchars($recordId) . '">';
if ($available) {
echo ' <availability>true</availability>';
} else {
echo ' <availability>false</availability>';
}
echo ' <location>' . htmlspecialchars($location) . '</location>';
echo ' <reserve>' . htmlspecialchars($reserve) . '</reserve>';
echo ' <callnumber>' . htmlspecialchars($callnumber) . '</callnumber>';
echo ' </item>';
}
}
// If any IDs were missing, send back appropriate dummy data
foreach ($missingIds as $missingId => $junk) {
echo ' <item id="' . htmlspecialchars($missingId) . '">';
echo ' <availability>false</availability>';
echo ' <location>Unknown</location>';
echo ' <reserve>N</reserve>';
echo ' <callnumber></callnumber>';
echo ' </item>';
}
}
