<?php
public static function getLegacyAutocoolPlaylistID($user, $object = 'Playlist')
{
    $db = DB::getInstance();
    $userName = 'My';
    $userID = Widget::ANONYMOUS_USERID;
    if ($user instanceof User) {
        $userName = $user->getUsername();
        $userID = $user->getUserID();
    }
    $userName = ($userName=='My') ? $userName : CommonObj_String::possessive($userName);
    $dbSafeUserName = $db->quote($userName);
    $sql = "SELECT Name FROM Playlists WHERE
        UserID = '$userID'
        AND Name LIKE '$dbSafeUserName $object %'
        AND NOT Playlists.IsDeleted
        ORDER BY PlaylistID DESC
        LIMIT 1";
    $regs = array();
    if ($row = $db->getOne($sql)) {
        $plName = $row;
        preg_match("@$userName $object (\d+)$@", $plName, $regs);
    }
    if (isset($regs[1])) {
        $plNumber = $regs[1];
    } else {
        $plNumber = 0;
    }
    return $plNumber;
}

public static function getAutoCoolPlaylistName($user, $object = 'Playlist')
{
    $userName = 'My';
    $userID = Widget::ANONYMOUS_USERID;

    if ($user instanceof User) {
        $userName = $user->getUsername();
        $userID = $user->getUserID();
    }

    // if the sequence for the given user doesn't exist create it
    // using the legacy method as a basis if necessary
    if (!GMongo_Sequence::getID(PlaylistMongo::CLUSTER, 'autocool', $userID) > 0) {
        $autocoolInc = self::getLegacyAutocoolPlaylistID($user);
        GMongo_Sequence::setID(PlaylistMongo::CLUSTER, 'autocool', $userID, $autocoolInc);
    }

    $plNumber = GMongo_Sequence::nextID(PlaylistMongo::CLUSTER, 'autocool', $userID);
    $userName = ($userName=='My') ? $userName : CommonObj_String::possessive($userName);

    $plName = "$userName $object $plNumber";
    return $plName;
}
?>