public int GetPlayerCash(string steamId = null)
        {
            if (string.IsNullOrEmpty(steamId))
            {
                throw new CustomException(
                          ErrorCodes.Codes.NullSteamId);
            }
            playerHandler.CheckNewPLayerExistence(steamId);

            List <object> playerInfo = new List <object>();
            int           cash       = 0;

            try
            {
                playerInfo = dataWorker.ReadData(DataConfig.Lists.Main)
                             .Single(item => item.First().ToString() == steamId);

                cash = Convert.ToInt32(playerInfo.ElementAt(2));
            }
            catch
            {
                throw new CustomException(
                          ErrorCodes.Codes.NotExistingData);
            }

            return(cash);
        }