/**
* Get a UUID from a given object.
*
* @param mixed $object The object either an ElggEntity, ElggRelationship or ElggExtender
*
* @return the UUID or false
*/
function get_uuid_from_object($object)
{
if ($object instanceof ElggEntity) {
return guid_to_uuid($object->guid);
} else {
if ($object instanceof ElggExtender) {
$type = $object->type;
if ($type == 'volatile') {
$uuid = guid_to_uuid($object->entity_guid) . $type . "/{$object->name}/";
} else {
$uuid = guid_to_uuid($object->entity_guid) . $type . "/{$object->id}/";
}
return $uuid;
} else {
if ($object instanceof ElggRelationship) {
return guid_to_uuid($object->guid_one) . "relationship/{$object->id}/";
}
}
}
return false;
}
if (!$entity) {
$query = "GUID:" . $guid . " could not be found, or you can not access it.";
throw new \InvalidParameterException($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 = "GUID:" . $guid . " could not be found, or you can not access it.";
throw new \InvalidParameterException($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 = "Sorry, '" . $id_or_name . "' does not exist for guid:" . $guid;
throw new \InvalidParameterException($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;
/**
* Get a UUID from a given object.
*
* @param mixed $object The object either an \ElggEntity, \ElggRelationship or \ElggExtender
*
* @return string|false the UUID or false
* @deprecated 1.9
*/
function get_uuid_from_object($object)
{
elgg_deprecated_notice(__FUNCTION__ . ' is deprecated', 1.9);
if ($object instanceof \ElggEntity) {
return guid_to_uuid($object->guid);
} else {
if ($object instanceof \ElggExtender) {
$type = $object->type;
if ($type == 'volatile') {
$uuid = guid_to_uuid($object->entity_guid) . $type . "/{$object->name}/";
} else {
$uuid = guid_to_uuid($object->entity_guid) . $type . "/{$object->id}/";
}
return $uuid;
} else {
if ($object instanceof \ElggRelationship) {
return guid_to_uuid($object->guid_one) . "relationship/{$object->id}/";
}
}
}
return false;
}
/**
* Export this object
*
* @return array
* @deprecated 1.9 Use toObject()
*/
public function export()
{
elgg_deprecated_notice(__METHOD__ . ' has been deprecated', 1.9);
$uuid = get_uuid_from_object($this);
$meta = new ODDMetaData($uuid, guid_to_uuid($this->entity_guid), $this->attributes['name'], $this->attributes['value'], $this->attributes['type'], guid_to_uuid($this->owner_guid));
$meta->setAttribute('published', date("r", $this->time_created));
return $meta;
}
/**
* Export this class into an array of ODD Elements containing all necessary fields.
* Override if you wish to return more information than can be found in
* $this->attributes (shouldn't happen)
*
* @return array
* @deprecated 1.9
*/
public function export()
{
elgg_deprecated_notice(__METHOD__ . ' has been deprecated', 1.9);
$tmp = array();
// Generate uuid
$uuid = guid_to_uuid($this->getGUID());
// Create entity
$odd = new ODDEntity($uuid, $this->attributes['type'], get_subtype_from_id($this->attributes['subtype']));
$tmp[] = $odd;
$exportable_values = $this->getExportableValues();
// Now add its attributes
foreach ($this->attributes as $k => $v) {
$meta = null;
if (in_array($k, $exportable_values)) {
switch ($k) {
case 'guid':
// Dont use guid in OpenDD
// Dont use guid in OpenDD
case 'type':
// Type and subtype already taken care of
// Type and subtype already taken care of
case 'subtype':
break;
case 'time_created':
// Created = published
$odd->setAttribute('published', date("r", $v));
break;
case 'site_guid':
// Container
$k = 'site_uuid';
$v = guid_to_uuid($v);
$meta = new ODDMetaData($uuid . "attr/{$k}/", $uuid, $k, $v);
break;
case 'container_guid':
// Container
$k = 'container_uuid';
$v = guid_to_uuid($v);
$meta = new ODDMetaData($uuid . "attr/{$k}/", $uuid, $k, $v);
break;
case 'owner_guid':
// Convert owner guid to uuid, this will be stored in metadata
$k = 'owner_uuid';
$v = guid_to_uuid($v);
$meta = new ODDMetaData($uuid . "attr/{$k}/", $uuid, $k, $v);
break;
default:
$meta = new ODDMetaData($uuid . "attr/{$k}/", $uuid, $k, $v);
}
// set the time of any metadata created
if ($meta) {
$meta->setAttribute('published', date("r", $this->time_created));
$tmp[] = $meta;
}
}
}
// Now we do something a bit special.
/*
* This provides a rendered view of the entity to foreign sites.
*/
elgg_set_viewtype('default');
$view = elgg_view_entity($this, array('full_view' => true));
elgg_set_viewtype();
$tmp[] = new ODDMetaData($uuid . "volatile/renderedentity/", $uuid, 'renderedentity', $view, 'volatile');
return $tmp;
}
/**
* Export this relationship
*
* @return array
*/
public function export()
{
$uuid = get_uuid_from_object($this);
$relationship = new ODDRelationship(guid_to_uuid($this->guid_one), $this->relationship, guid_to_uuid($this->guid_two));
$relationship->setAttribute('uuid', $uuid);
return $relationship;
}
/**
* Export this relationship
*
* @return array
* @deprecated 1.9 Use toObject()
*/
public function export()
{
elgg_deprecated_notice(__METHOD__ . ' has been deprecated', 1.9);
$uuid = get_uuid_from_object($this);
$relationship = new ODDRelationship(guid_to_uuid($this->guid_one), $this->relationship, guid_to_uuid($this->guid_two));
$relationship->setAttribute('uuid', $uuid);
return $relationship;
}
/**
* Export this object
*
* @return array
*/
public function export()
{
$uuid = get_uuid_from_object($this);
$meta = new ODDMetaData($uuid, guid_to_uuid($this->entity_guid), $this->attributes['name'], $this->attributes['value'], $this->attributes['type'], guid_to_uuid($this->owner_guid));
$meta->setAttribute('published', date("r", $this->time_created));
return $meta;
}
/**
* Extract entities from the system log and produce them as an OpenDD stream.
* This stream can be subscribed to and reconstructed on another system as an activity stream.
*
* @param int $by_user The user who initiated the event.
* @param string $relationship Limit return results to only those users who $by_user has $relationship with.
* @param int $limit Maximum number of events to show
* @param int $offset An offset
* @return ODDDocument
*/
function get_river_entries_as_opendd($by_user = "", $relationship = "", $limit = 10, $offset = 0)
{
global $CONFIG;
$limit = (int) $limit;
$offset = (int) $offset;
$relationship = sanitise_string($relationship);
if (is_array($by_user) && sizeof($by_user) > 0) {
foreach ($by_user as $key => $val) {
$by_user[$key] = (int) $val;
}
} else {
$by_user = array((int) $by_user);
}
// Get river data
$log_data = __get_river_from_log($by_user, $relationship, $limit, $offset);
// River objects
$river = new ODDDocument();
if ($log_data) {
foreach ($log_data as $log) {
$event = $log->event;
$class = $log->object_class;
$type = $log->object_type;
$subtype = $log->object_subtype;
$tmp = new $class();
$object = $tmp->getObjectFromID($log->object_id);
$by_user_obj = get_entity($log->performed_by_guid);
// Belts and braces
if ($object instanceof $class) {
$relationship_obj = NULL;
// Handle updates of entities
if ($object instanceof ElggEntity) {
$relationship_obj = new ODDRelationship(guid_to_uuid($log->performed_by_guid), $log->event, guid_to_uuid($log->object_id));
}
// Handle updates of metadata
if ($object instanceof ElggExtender) {
$odd = $object->export();
$relationship_obj = new ODDRelationship(guid_to_uuid($log->performed_by_guid), $log->event, $odd->getAttribute('uuid'));
}
// Handle updates of relationships
if ($object instanceof ElggRelationship) {
$odd = $object->export();
$relationship_obj = new ODDRelationship(guid_to_uuid($log->performed_by_guid), $log->event, $odd->getAttribute('uuid'));
}
// If we have handled it then add it to the document
if ($relationship_obj) {
$relationship_obj->setPublished($log->time_created);
$river->addElement($relationship_obj);
}
}
}
}
return $river;
}
