public static SingletonFileHandler Instance(Booking booking, Customer cust, List <Guest> guests, Extras extra)
{
if (_instance == null)
{
_instance = new SingletonFileHandler(booking, cust, guests, extra);
}
return(_instance);
}
protected SingletonFileHandler(Booking booking, Customer cust, List <Guest> guests, Extras extra)
{
int guestRef = 0;
if (System.IO.File.ReadAllText(@"D:\cust.csv").Contains(MainWindow.cust.Name + "," + MainWindow.cust.Address)) //if customer already exists
{
//if Customer already created get guestRef
System.IO.StreamReader file = new System.IO.StreamReader(@"D:\cust.csv");
string line;
while ((line = file.ReadLine()) != null)
{
if (line.Contains(MainWindow.cust.Name + "," + MainWindow.cust.Address))
{
string [] l = line.Split(',');
guestRef = int.Parse(l[2]);
}
}
file.Close();
GC.Collect();
}
else
{
//if Customer not created
guestRef = (int.Parse(File.ReadLines(@"D:\guestno.txt").Last()) + 1);
System.IO.File.AppendAllText(@"D:\cust.csv", (MainWindow.cust.Name + "," + MainWindow.cust.Address + "," + guestRef.ToString() + "\n"));
}
//Get booking & guest string
string tmp = booking.ReferenceNumber + "," + guestRef.ToString() + "," + booking.ArrivalDate.ToString().Substring(0, 10) + "," + booking.DepartureDate.ToString().Substring(0, 10) + "," + booking.StayLength + "," + booking.guestNum + "," + extra.GetTotalCost + "," + booking.getCost + "," + (extra.GetTotalCost + booking.getCost) + "," + extra.Breakfast + "," + extra.BreakfastDietry + "," + extra.Tea + "," + extra.TeaDietry + "," + extra.carHired + "," + extra.DriverName + "," + extra.StartDate.ToString().Substring(0, 10) + "," + extra.EndDate.ToString().Substring(0, 10) + "\n";
string tmpg = guestRef.ToString() + "," + booking.ReferenceNumber;
foreach (Guest x in guests)
{
tmpg += "," + x.Name + "," + x.PassNum + "," + x.Age;
}
tmpg += "\n";
System.IO.File.AppendAllText(@"D:\tmp.csv", tmp); //write booking info
System.IO.File.AppendAllText(@"D:\refno.txt", (booking.ReferenceNumber.ToString() + "\n")); //write refno
System.IO.File.AppendAllText(@"D:\guest.csv", tmpg); //write guests
System.IO.File.AppendAllText(@"D:\guestno.txt", (guestRef.ToString() + "\n")); //write guestno
}
