/**
* Get a specific metadata object by its id.
* If you want multiple metadata objects, use
* {@link elgg_get_metadata()}.
*
* @param int $id The id of the metadata object being retrieved.
*
* @return ElggMetadata|false false if not found
*/
function elgg_get_metadata_from_id($id)
{
return _elgg_get_metastring_based_object_from_id($id, 'metadata');
}
/**
* Deletes a metastring-based object by its id
*
* @param int $id The object's ID
* @param string $type The object's metastring type: annotation or metadata
* @return bool
* @access private
*/
function _elgg_delete_metastring_based_object_by_id($id, $type)
{
$id = (int) $id;
$db_prefix = elgg_get_config('dbprefix');
switch ($type) {
case 'annotations':
case 'annotation':
$table = $db_prefix . 'annotations';
$type = 'annotation';
break;
case 'metadata':
$table = $db_prefix . 'metadata';
$type = 'metadata';
break;
default:
return false;
}
$obj = _elgg_get_metastring_based_object_from_id($id, $type);
if ($obj) {
// Tidy up if memcache is enabled.
// @todo only metadata is supported
if ($type == 'metadata') {
static $metabyname_memcache;
if (!$metabyname_memcache && is_memcache_available()) {
$metabyname_memcache = new \ElggMemcache('metabyname_memcache');
}
if ($metabyname_memcache) {
// @todo why name_id? is that even populated?
$metabyname_memcache->delete("{$obj->entity_guid}:{$obj->name_id}");
}
}
if ($obj->canEdit()) {
// bc code for when we triggered 'delete', 'annotations' #4770
$result = true;
if ($type == "annotation") {
$result = elgg_trigger_event('delete', 'annotations', $obj);
if ($result === false) {
elgg_deprecated_notice("Use the event 'delete', 'annotation'", 1.9);
}
}
if (elgg_trigger_event('delete', $type, $obj) && $result) {
return (bool) delete_data("DELETE FROM {$table} WHERE id = {$id}");
}
}
}
return false;
}
/**
* Get a specific annotation by its id.
* If you want multiple annotation objects, use
* {@link elgg_get_annotations()}.
*
* @param int $id The id of the annotation object being retrieved.
*
* @return \ElggAnnotation|false
*/
function elgg_get_annotation_from_id($id)
{
return _elgg_get_metastring_based_object_from_id($id, 'annotation');
}
public function testGetMetastringObjectFromIDWithDisabledAnnotation()
{
$name = 'test_annotation_name' . rand();
$value = 'test_annotation_value' . rand();
$id = create_annotation($this->object->guid, $name, $value);
$annotation = elgg_get_annotation_from_id($id);
$this->assertTrue($annotation->disable());
$test = _elgg_get_metastring_based_object_from_id($id, 'annotation');
$this->assertEqual(false, $test);
$prev = access_get_show_hidden_status();
access_show_hidden_entities(true);
$this->assertTrue(_elgg_delete_metastring_based_object_by_id($id, 'annotation'));
access_show_hidden_entities($prev);
}
