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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
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
* @author Marcus Povey
* @copyright Curverider Ltd 2008
* @link http://elgg.org/
*/
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',elgg_view_title($title) . $body));
?>
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