/**
* returns a list of OI's we need for the query
* @param int $pUserId
* @param int $pFriendId
*/
public static function getRelevantOnlineIdentityIdsForQuery($pUserId, $pFriendId)
{
$pOiArray = array();
if (is_null($pFriendId)) {
// get own items and items of all friends
$pOiArray = self::getIdsOfFriendsByUserId($pUserId);
$pOiArray = array_merge($pOiArray, OnlineIdentityTable::retrieveIdsByUserId($pUserId));
} else {
// get all items from a specific friend
$pOiArray = OnlineIdentityTable::retrieveIdsByUserId($pFriendId);
}
return $pOiArray;
}
