static function get_by_user(midcom_core_user $user, $limit = 20, $offset = 0)
{
$actor = $user->get_storage();
$qb = midcom_helper_activitystream_activity_dba::new_query_builder();
$qb->add_constraint('actor', '=', $actor->id);
$qb->add_order('metadata.created', 'DESC');
$qb->set_limit($limit);
$qb->set_offset($offset);
return $qb->execute();
}
/**
* Checks the online state of a given user. You require the privilege midcom:isonline
* for the user you are going to check. The privilege is not granted by default,
* to allow users full control over their privacy.
*
* 'unknown' is returned in cases where you have insufficient permissions.
*
* @param midcom_core_user $user The user object which has been updated.
* @return string One of 'online', 'offline' or 'unknown', indicating the current online
* state.
*/
function is_user_online($user)
{
if (!$user->get_storage()->can_do('midcom:isonline')) {
return 'unknown';
}
$timed_out = time() - $GLOBALS['midcom_config']['auth_login_session_timeout'];
$qb = new midgard_query_builder('midcom_core_login_session_db');
$qb->add_constraint('userid', '=', $user->id);
$qb->add_constraint('timestamp', '>=', $timed_out);
$result = @$qb->execute();
if (!$result) {
return 'offline';
}
return 'online';
}
public static function &_get_cache($type, $id, &$request_data)
{
self::_verify_cache($type, $request_data);
if (!array_key_exists($id, $request_data['object_cache'][$type])) {
switch ($type) {
case 'users':
$core_user = new midcom_core_user($id);
$obj = $core_user->get_storage();
break;
case 'groups':
$obj = new org_openpsa_contacts_group_dba($id);
break;
default:
$method = "_get_cache_obj_{$type}";
$classname = __CLASS__;
if (!method_exists($classname, $method)) {
// TODO: generate error
debug_add("Method '{$method}' not in class '{$classname}'", MIDCOM_LOG_WARN);
return false;
}
$obj = call_user_func(array($classname, $method), $id);
break;
}
$request_data['object_cache'][$obj->guid] = $obj;
$request_data['object_cache'][$type][$obj->id] =& $request_data['object_cache'][$obj->guid];
} else {
$obj =& $request_data['object_cache'][$type][$id];
}
return $request_data['object_cache'][$type][$obj->id];
}
