<?php
/**
 * \file
 * \brief Response to Verb GetRecord
 *
 * Retrieve a record based its identifier.
 *
 * Local variables <B>$metadataPrefix</B> and <B>$identifier</B> need to be provided through global array variable <B>$args</B> 
 * by their indexes 'metadataPrefix' and 'identifier'.
 * The reset of information will be extracted from database based those two parameters.
 */

debug_message("\nI am debuging". __FILE__) ;

$metadataPrefix = $args['metadataPrefix'];
// myhandler is a php file which will be included to generate metadata node.
// $inc_record  = $METADATAFORMATS[$metadataPrefix]['myhandler'];

if (is_array($METADATAFORMATS[$metadataPrefix]) && isset($METADATAFORMATS[$metadataPrefix]['myhandler'])) {
    $inc_record  = $METADATAFORMATS[$metadataPrefix]['myhandler'];
} else {
    $errors[] = oai_error('cannotDisseminateFormat', 'metadataPrefix', $metadataPrefix);
}

$identifier = $args['identifier'];
$query = selectallQuery($metadataPrefix, $identifier);

debug_message("Query: $query") ;

$res = $db->query($query);

if ($res===false) {
    if (SHOW_QUERY_ERROR) {
        echo __FILE__.','.__LINE__."<br />";
        echo "Query: $query<br />\n";
        die($db->errorInfo());
    } else {
        $errors[] = oai_error('idDoesNotExist', '', $identifier); 
    }
} elseif (!$res->rowCount()) { // based on PHP manual, it might only work for some DBs
    $errors[] = oai_error('idDoesNotExist', '', $identifier); 
}

if (!empty($errors)) {
    oai_exit();
}

$record = $res->fetch(PDO::FETCH_ASSOC);
if ($record===false) {
    if (SHOW_QUERY_ERROR) {
        echo __FILE__.','.__LINE__."<br />";
        echo "Query: $query<br />\n";
    }
    $errors[] = oai_error('idDoesNotExist', '', $identifier);	
}

$identifier = $record[$SQL['identifier']];;

$datestamp = formatDatestamp($record[$SQL['datestamp']]); 

$status_deleted = (isset($record[$SQL['deleted']]) && ($record[$SQL['deleted']] == 'true') && 
                   ($deletedRecord == 'transient' || $deletedRecord == 'persistent'));

$outputObj = new ANDS_Response_XML($args);
$cur_record = $outputObj->create_record();
$cur_header = $outputObj->create_header($identifier, $datestamp,$record[$SQL['set']],$cur_record);
// return the metadata record itself
if (!$status_deleted) {
    include($inc_record); // where the metadata node is generated.
    create_metadata($outputObj, $cur_record, $identifier, $record[$SQL['set']], $db);
}	else {
    $cur_header->setAttribute("status","deleted");
}