File Source for mdApiTest.php

<?php /*
*/
/**
==============================================================================
* Dokeos Metadata: MD API test and demo
*
* The API allows other Dokeos scripts to define & manipulate metadata
*
* In this example, MD is defined for 'Document.1001', 1002, 1003
*
* @package dokeos.metadata
==============================================================================
*/
require("../md_funcs.php");
define('EID_TYPE', 'Document');
require('../md_' . strtolower(EID_TYPE) . '.php');
// name of the language file that needs to be included
$language_file = 'Whatever';
require("../../inc/global.inc.php");
isset($_course) or give_up("Select a course first...");
$is_allowed_to_edit = isset($_user['user_id']) && $is_courseMember && is_allowed_to_edit();
if (!$is_allowed_to_edit) give_up("You're not allowed to edit...");
$mdStore = new mdstore($is_allowed_to_edit); // create table if needed
require(api_get_path(LIBRARY_PATH) . 'xmd.lib.php'); // mds_update_xml_and_mdt
require(api_get_path(LIBRARY_PATH) . 'xht.lib.php'); // mdo_generate_default_xml_metadata
$noPHP_SELF = TRUE;
Display::display_header($nameTools); echo "\n";
// if the language file in use is not 'md_' . EID_TYPE ...
$langMdTitle = 'Default Title (if doc not in DB)';
$langMdDescription = 'Default description (if doc has no comment)';
$langMdCoverage = 'bachelor of engineering';
$langMdCopyright = 'Ghent University';
foreach(array(1001, 1002, 1003) as $eid_id)
{
$mdObj = new mdobject($_course, $eid_id); // see 'md_' . EID_TYPE . '.php'
$eid = $mdObj->mdo_eid;
$titlePath = $mdObj->mdo_dcmap_v['Title']; // no IEEE dependencies here...
if (($mdt_rec = $mdStore->mds_get($eid)) === FALSE)
{
$mdt = $mdObj->mdo_generate_default_xml_metadata();
$xmlDoc = new xmddoc(explode("\n", $mdt));
if (!$xmlDoc->error)
{
echo htmlspecialchars($titlePath), ': ';
$mdTitle = $xmlDoc->xmd_value($titlePath);
if ($mdTitle == $langMdTitle)
{
$mdTitle = EID_TYPE . ' ' . $eid_id;
$xmlDoc->xmd_update($titlePath, $mdTitle);
$mdt = $xmlDoc->xmd_xml();
}
echo htmlspecialchars($mdTitle), ':';
}
$mdStore->mds_put($eid, $mdt, 'mdxmltext', FALSE);
echo '<a href="../index.php?eid=', urlencode($eid), '">',
htmlspecialchars($eid), '</a> ';
}
}
echo ' ';
$xmlDoc = new xmddoc(explode("\n", $mdStore->mds_get($eid = EID_TYPE . '.1002')));
if ($xmlDoc->error) give_up($xmlDoc->error);
$mdObj = new mdobject($_course, '1002');
$mda = "~~"; // delete metadata of 'Document.1002'
$mdt = $mdStore->mds_update_xml_and_mdt($mdObj, $xmlDoc, $mda, $eid, $trace);
// note: $xmlDoc and $trace are passed by reference...
$mdObj = new mdobject($_course, '1003');
$xmlDoc = new xmddoc(explode("\n", $mdStore->mds_get($eid = EID_TYPE . '.1003')));
if ($xmlDoc->error) give_up($xmlDoc->error);
$map_lang = 'string/@language';
$dcmap_e_kwplace = 'metadata/lom/general'; $dcmap_e_kwelem = 'keyword';
$dcmap_e_keyword = $dcmap_e_kwplace . '/' . $dcmap_e_kwelem;
$mda = $mdObj->mdo_dcmap_v['Description'] . '=Nouvelle description' .
"\n" . $mdObj->mdo_dcmap_e['Coverage'] . "~" .
"\n" . $dcmap_e_kwplace . '!' . $dcmap_e_kwelem .
"\n" . $dcmap_e_keyword . "[-1]!string=afrique" .
"\n" . $dcmap_e_keyword . "[-1]/" . $map_lang . "=en" .
"\n" . $mdObj->mdo_dcmap_e['Title'] . ',' .
$mdObj->mdo_dcmap_e['Description'] . ',' .
$dcmap_e_keyword . ";" . $map_lang . "=fr" .
""; // update metadata of 'Document.1003' - see md_funcs
// note we don't go far with IEEE independence...
$mdt = $mdStore->mds_update_xml_and_mdt($mdObj, $xmlDoc, $mda, $eid, $trace);
echo htmlspecialchars($trace), ' ';
// The simplest API calls: store and fetch DC metadata element values:
$mdObj = new mdobject($_course, '1003');
$mdStore->mds_put_dc_elements($mdObj, array('Coverage' => 'broad...', 'Type' => 'aggressive text'));
// Coverage won't work, because that element has been removed above...
$dcelem = $mdStore->mds_get_dc_elements($mdObj);
foreach (array('Identifier', 'Title', 'Language', 'Description', 'Coverage',
'Type', 'Date', 'Creator', 'Format', 'Rights') as $dce)
{
echo $dce, '= ', htmlspecialchars($dcelem[$dce]), ' ';
}
echo ' ';
$mdObj = new mdobject($_course, '1002');
$mdStore->mds_put_dc_elements($mdObj, array('Coverage' => 'broad...'));
$dcelem = $mdStore->mds_get_dc_elements($mdObj);
foreach (array('Identifier', 'Title', 'Language', 'Description', 'Coverage',
'Type', 'Date', 'Creator', 'Format', 'Rights') as $dce)
{
echo $dce, '= ', htmlspecialchars($dcelem[$dce]), ' ';
}
echo ' ';
$mdStore->mds_append(EID_TYPE . '.1001', ' search words');
$mdStore->mds_append(EID_TYPE . '.1001', ' more findable terms');
Display::display_footer();
?>

Source for file mdApiTest.php