/// <summary>
/// this method produces random numbers for both bookingId and bookingNumber.
/// </summary>
/// <returns></returns>
private BookingParametersModel GetBookingNumberAndId()
{
BookingParametersModel bookingParametersModel = new BookingParametersModel();
HashSet <string> bookingNumberSet = new HashSet <string>(); // set is created to prevent duplicate creation of booking number.
HashSet <int> bookingIdSet = new HashSet <int>(); // set is created to prevent duplicate creation of booking Id.
IEnumerable <Booking> bookingList = _BookingRepository.GetAll();
foreach (Booking aBooking in bookingList)
{
bookingNumberSet.Add(aBooking.Number);
bookingIdSet.Add(aBooking.Id);
}
//get random number for booking Id
Random generator = new Random();
bookingParametersModel.RandomBookingNumber = generator.Next(MINUMUM_FLIGHT_NUMBER, MAXIMUM_FLIGHT_NUMBER).ToString(); //assumption: 6 characters
while (bookingNumberSet.Contains(bookingParametersModel.RandomBookingNumber))
{
bookingParametersModel.RandomBookingNumber = generator.Next(MINUMUM_FLIGHT_NUMBER, MAXIMUM_FLIGHT_NUMBER).ToString();
}
//get random number for booking number
bookingParametersModel.RandomBookingId = generator.Next(MINUMUM_FLIGHT_ID, MAXIMUM_FLIGHT_ID); //assumption: 2 characters and they are unique
while (bookingIdSet.Contains(bookingParametersModel.RandomBookingId))
{
bookingParametersModel.RandomBookingId = generator.Next(MINUMUM_FLIGHT_ID, MAXIMUM_FLIGHT_ID);
}
return(bookingParametersModel);
}
/// <summary>
/// book a flight for an existing flight.
/// </summary>
/// <param name="flightId"></param>
/// <param name="personId"></param>
/// <returns></returns>
public Booking BookAFlight(int flightId, int personId)
{
BookingParametersModel bookingParametersModel = GetBookingNumberAndId();
Booking booking = new Booking()
{
Id = bookingParametersModel.RandomBookingId,
Number = "WO-" + bookingParametersModel.RandomBookingNumber,
DateBooking = DateTime.Now,
Flight = new FlightRepository().Get(flightId),
Customer = _PersonRepository.Get(personId),
Passengers = new List <Person>()
{
_PersonRepository.Get(personId)
}
};
_BookingRepository.Save(booking);
return(booking);
}
