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<?php
/**
* Open Document Definition Handler.
* This file acts as the endpoint for ODD UUID url requests, exporting the requested data as an
* OpenDD XML file.
*
* @package Elgg
* @subpackage Core
*/
require_once("../../engine/start.php");
// Get input values, these will be mapped via modrewrite
$guid = get_input("guid"); // guid of the entity
// For attributes eg http://example.com/odd/73/attr/owner_uuid/ or http://example.com/odd/73/metadata/86/
$type = get_input("type"); // attr, metadata, annotation, rekationship
$id_or_name = get_input("idname"); // Either a number or the key name (if attribute)
$body = "";
$title = "";
// Only export the GUID
if (($guid!="") && ($type=="") && ($id_or_name=="")) {
$entity = get_entity($guid);
if (!$entity) {
throw new InvalidParameterException(sprintf(elgg_echo('InvalidParameterException:GUIDNotFound'), $guid));
}
$title = "GUID:$guid";
$body = elgg_view("export/entity", array("entity" => $entity, "uuid" => guid_to_uuid($guid)));
}
// Export an individual attribute
else if (($guid!="") && ($type!="") && ($id_or_name!="")) {
// Get a uuid
$entity = get_entity($guid);
if (!$entity) {
throw new InvalidParameterException(sprintf(elgg_echo('InvalidParameterException:GUIDNotFound'), $guid));
}
$uuid = guid_to_uuid($entity->getGUID()) . "$type/$id_or_name/";
switch ($type) {
case 'attr' : // @todo: Do this better? - This is a bit of a hack...
$v = $entity->get($id_or_name);
if (!$v) {
throw new InvalidParameterException(sprintf(elgg_echo('InvalidParameterException:IdNotExistForGUID'), $id_or_name, $guid));
}
$m = new ElggMetadata();
$m->value = $v;
$m->name = $id_or_name;
$m->entity_guid = $guid;
$m->time_created = $entity->time_created;
$m->time_updated = $entity->time_updated;
$m->owner_guid = $entity->owner_guid;
$m->id = $id_or_name;
$m->type = "attr";
break;
case 'metadata' :
$m = get_metadata($id_or_name);
break;
case 'annotation' :
$m = get_annotation($id_or_name);
break;
case 'relationship' :
$r = get_relationship($id_or_name);
break;
case 'volatile' :
$m = trigger_plugin_hook('volatile', 'metadata', array('guid' => $guid, 'varname' => $id_or_name));
break;
default :
throw new InvalidParameterException(sprintf(elgg_echo('InvalidParameterException:CanNotExportType'), $type));
}
// Render metadata or relationship
if ((!$m) && (!$r)) {
throw new InvalidParameterException(elgg_echo('InvalidParameterException:NoDataFound'));
}
// Exporting metadata?
if ($m) {
if ($m->entity_guid!=$entity->guid) {
throw new InvalidParameterException(elgg_echo('InvalidParameterException:DoesNotBelong'));
}
$title = "$type:$id_or_name";
$body = elgg_view("export/metadata", array("metadata" => $m, "uuid" => $uuid));
}
// Exporting relationship
if ($r) {
if (($r->guid_one!=$entity->guid) && ($r->guid_two!=$entity->guid)) {
throw new InvalidParameterException(elgg_echo('InvalidParameterException:DoesNotBelongOrRefer'));
}
$title = "$type:$id_or_name";
$body = elgg_view("export/relationship", array("relationship" => $r, "uuid" => $uuid));
}
}
// Something went wrong
else {
throw new InvalidParameterException(elgg_echo('InvalidParameterException:MissingParameter'));
}
page_draw($title, elgg_view_layout('one_column_with_sidebar', elgg_view_title($title) . $body));
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