SemanticScuttle/www/api/export_sioc.php
2009-10-03 14:00:33 +00:00

91 lines
3.0 KiB
PHP

<?php
/* Export data with semantic format (SIOC: http://sioc-project.org/, FOAF, SKOS, Annotea Ontology) */
require_once('../header.inc.php');
header('Content-Type: text/xml; charset=utf-8'); //we change headers html defined in headers.inc.php
/* Service creation: only useful services are created */
$userservice =& ServiceFactory::getServiceInstance('UserService');
$bookmarkservice =& ServiceFactory::getServiceInstance('BookmarkService');
?>
<?php echo "<?xml version=\"1.0\" encoding=\"utf-8\"\n?>"; ?>
<rdf:RDF
xmlns="http://xmlns.com/foaf/0.1/"
xmlns:foaf="http://xmlns.com/foaf/0.1/"
xmlns:rss="http://purl.org/rss/1.0/"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:dcterms="http://purl.org/dc/terms/"
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:sioc="http://rdfs.org/sioc/ns#"
xmlns:sioc_t="http://rdfs.org/sioc/types#"
xmlns:bm="http://www.w3.org/2002/01/bookmark#"
xmlns:skos="http://www.w3.org/2004/02/skos/core#">
<?php
//site and community are described using FOAF and SIOC ontology
?>
<sioc:Site rdf:about="<?php echo ROOT?>" >
<rdf:label><?php echo $GLOBALS['sitename']?></rdf:label>
</sioc:Site>
<?php //<sioc_t:BookmarkFolder />?>
<?php
//users are described using FOAF and SIOC ontology
$users = $userservice->getObjectUsers();
$usersArray = array(); // useful for bookmarks display
foreach($users as $user) {
$usersArray[$user->getId()] = $user->getUserName();
}
?>
<?php foreach($users as $user) :?>
<sioc:User rdf:about="<?php echo createUrl('profile', $user->getUserName())?>">
<sioc:name><?php echo $user->getUserName() ?></sioc:name>
<sioc:member_of rdf:resource="<?php echo ROOT?>" />
</sioc:User>
<?php endforeach; ?>
<?php
/*
No page for usergroup (users/admin) for the moment
<sioc:Usergroup rdf:ID="authors">
<sioc:name>Authors at PlanetRDF.com</sioc:name>
<sioc:has_member rdf:nodeID="sioc-id2245901" />
</sioc:Usergroup>
*/
?>
<?php
//bookmarks are described using Annotea ontology
$bookmarks =& $bookmarkservice->getBookmarks(0, NULL, NULL, NULL);
?>
<?php foreach($bookmarks['bookmarks'] as $bookmark): ?>
<bm:Bookmark rdf:about="<?php echo createUrl('history', $bookmark['bHash']) ?>">
<dc:title><?php echo filter($bookmark['bTitle']) ?></dc:title>
<dc:created><?php echo filter($bookmark['bCreated']) ?></dc:created>
<dc:description><?php echo filter(strip_tags($bookmark['bDescription'])) ?></dc:description>
<dc:date><?php echo $bookmark['bDateTime'] ?></dc:date>
<bm:recalls rdf:resource="<?php echo filter($bookmark['bAddress']) ?>"/>
<sioc:owner_of rdf:resource="<?php echo createUrl('profile', $usersArray[$bookmark['uId']]) ?>"/>
<?php foreach($bookmark['tags'] as $tag): ?>
<sioc:topic>
<skos:concept rdf:about="<?php echo createUrl('bookmarks', $usersArray[$bookmark['uId']].'/'.$tag) ?>" />
</sioc:topic>
<?php endforeach; ?>
</bm:Bookmark>
<?php endforeach; ?>
<?php
// tags and concepts are described using SKOS ontology
//concept for user/admins, preflabel, definition, top concept
?>
</rdf:RDF>