public static void UpdateStock(TicketSaleRq ticketSaleRq) { StringBuilder sb = new StringBuilder(""); string[] lines = File.ReadAllLines(festivalsFile); string oldValue, newValue, output = ""; foreach (string _line in lines) { if (!_line.Contains(ticketSaleRq.FestivalName)) { sb.Append("\r" + _line); } else { oldValue = _line.Split(',').Last(); newValue = (Int32.Parse(oldValue) + Int32.Parse(ticketSaleRq.TicketNumber)).ToString(); output = _line.Replace(oldValue.ToString(), newValue + "\r"); sb.Append("\r" + output); } } if (File.Exists(festivalsFile)) { File.Delete(festivalsFile); } using (FileStream fs = new FileStream(festivalsFile, FileMode.OpenOrCreate, FileAccess.Write, FileShare.Write)) { StreamWriter sw = new StreamWriter(fs); sw.BaseStream.Seek(0, SeekOrigin.Begin); sw.Write(sb.ToString()); sw.Flush(); sw.Close(); } /* * while ((line = file.ReadLine()) != null) * { * if (line.Contains(ticketSaleRq.FestivalName)) * { * oldValue = int.Parse(line.Split(',').Last()); * newValue = (oldValue + int.Parse(ticketSaleRq.TicketNumber)).ToString(); * string output = "\r" + line.Replace(oldValue.ToString(), newValue + "\r"); * * line.Remove(0); * file.Close(); * using (StreamWriter writer = new StreamWriter(festivalsFile, true)) * { * { * writer.Write(output); * } * writer.Close(); * break; * } * } * } */ }
public static int CalculateTicketPrice(TicketSaleRq ticketSaleRq) { string actualTicketPrice = DataAccess.GetFestivalTicketPrice(ticketSaleRq.FestivalName); int totalPrice; try { totalPrice = int.Parse(actualTicketPrice) * int.Parse(ticketSaleRq.TicketNumber); } catch (Exception) { throw; } return(totalPrice); }