/// <summary>
/// Delegate function to cancel reservation
/// this function will delegate the reservation ID to the appropriate seller.
/// if seller doesn't exist or reservation ID is invalid an exception will be thrown
/// </summary>
/// <param name="seller">Seller to delegate this request</param>
/// <param name="reservationID">re</param>
public void CancelReservation(string seller, string reservationID)
{
int resID;
try
{
resID = Convert.ToInt32(reservationID);
}
catch (FormatException)
{
throw new FlightSearchServerReservationMalformed(); //FlightSearchServerException("bad reservation ID: " + e.Message);
}
if (!sellers.ContainsKey(seller))
{
throw new FlightSearchServerSellerNotFound();
}
FlightSearchReservationRequest fsrr =
new FlightSearchReservationRequest();
try
{
sellers[seller].CancelReservation(resID);
}
catch (FaultException e)
{
if (e.Reason.ToString().Equals("no such reservation"))
{
throw new FlightSearchServerReservationNotFound();
}
else
{
throw new FlightSearchServerException(e.Reason.ToString());
}
}
catch (CommunicationException e)
{
Console.WriteLine("==================== Cancel reservation - BEGIN =====================");
Console.WriteLine("Seller {0} Communication error, dropping him from FlightSearch.", seller);
Console.WriteLine(e.Message.ToString());
Console.WriteLine("==================== Cancel reservation - END =======================");
ITicketSellingQueryService victim;
sellers.TryRemove(seller, out victim);
throw new FlightSearchServerSellerDropped();
}
catch (Exception e)
{
Console.WriteLine("Seller {0} {1} malfunction: \n{2}", seller, "Cancel reservation", e.Message.ToString());
ITicketSellingQueryService victim;
sellers.TryRemove(seller, out victim);
throw new FlightSearchServerSellerDropped();
}
}
/// <summary>
/// Delegate function to make reservation.
/// this function will make a reservation with the requested seller
/// if seller doesn't exist or ReservationRequest is invalid on seller's
/// server an excetion will be throwed.
/// </summary>
/// <param name="seller">Seller to order from</param>
/// <param name="request">Request parameters to the sellers</param>
/// <returns>sucessfull reservation ID</returns>
public int MakeReservation(string seller, ReservationRequest request)
{
if (!sellers.ContainsKey(seller))
{
throw new FlightSearchServerSellerNotFound();
}
FlightSearchReservationRequest fsrr =
new FlightSearchReservationRequest();
// Prepare data
fsrr.date = request.date;
fsrr.flightNumber = request.flightNumber;
int reservationID = 0;
try
{
reservationID = sellers[seller].MakeReservation(fsrr);
}
catch (FaultException e)
{
//throw new FlightSearchServerException(e.Reason.ToString());
/* We should differentiate between two types of error:
* 1. Request wasn't found (no such flight exists) - 404
* 2. Flight is fully booked - 403 ("The server understood the request, but is refusing to fulfill it")
* - Using strings here was worng
*/
if (e.Reason.ToString().Equals("no such flight"))
{
throw new FlightSearchServerFlightNotFound();
}
else if (e.Reason.ToString().Equals("no seats available"))
{
throw new FlightSearchServerNoSeats();
}
else
{
throw new FlightSearchServerException(e.Reason.ToString()); // Legacy
}
}
catch (CommunicationException e) /* This MIGHT look redundant but its NOT, these are different kinds of errors */
{
Console.WriteLine("==================== Make reservation - BEGIN =====================");
Console.WriteLine("Seller {0} Communication error, dropping him from FlightSearch.", seller);
Console.WriteLine(e.Message.ToString());
Console.WriteLine("==================== Make reservation - END =======================");
ITicketSellingQueryService victim;
sellers.TryRemove(seller, out victim);
throw new FlightSearchServerSellerDropped();
}
catch (Exception e)
{
Console.WriteLine("Seller {0} {1} malfunction: \n{2}", seller, "Make reservation", e.Message.ToString());
ITicketSellingQueryService victim;
sellers.TryRemove(seller, out victim);
throw new FlightSearchServerSellerDropped();
}
return(reservationID);
}
