/** * @brief check if the given class is in the given user's blacklist * @param string $uid user * @param string $class class id * @return true if the class is blocked by the user, otherwise false */ private static function isBlacklisted($uid, $class) { if (!isset(self::$isBlockedStmt)) { self::$isBlockedStmt = OCP\DB::prepare("SELECT COUNT(*) FROM *PREFIX*notification_blacklist WHERE uid = ? AND class = ?"); } return (bool) self::$isBlockedStmt->execute(array($uid, $class))->fetchOne(); }