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<?php
/**
* Export handler.
*
* @package Elgg.Core
* @subpackage Export
*/
require_once(dirname(dirname(__FILE__)) . "/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, relationship
$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) {
$query = elgg_echo('InvalidParameterException:GUIDNotFound', array($guid));
throw new InvalidParameterException($query);
}
$title = "GUID:$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) {
$msg = elgg_echo('InvalidParameterException:GUIDNotFound', array($guid));
throw new InvalidParameterException($msg);
}
$uuid = guid_to_uuid($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) {
$msg = elgg_echo('InvalidParameterException:IdNotExistForGUID', array($id_or_name, $guid));
throw new InvalidParameterException($msg);
}
$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' :
$m = elgg_get_metadata_from_id($id_or_name);
break;
case 'annotation' :
$m = elgg_get_annotation_from_id($id_or_name);
break;
case 'relationship' :
$r = get_relationship($id_or_name);
break;
case 'volatile' :
$m = elgg_trigger_plugin_hook('volatile', 'metadata',
array('guid' => $guid, 'varname' => $id_or_name));
break;
default :
$msg = elgg_echo('InvalidParameterException:CanNotExportType', array($type));
throw new InvalidParameterException($msg);
}
// Render metadata or relationship
if ((!$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'));
}
$content = elgg_view_title($title) . $body;
$body = elgg_view_layout('one_sidebar', array('content' => $content));
echo elgg_view_page($title, $body);
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