Exemplo n.º 1
0
        // Method to issue a boarding pass
        private static void IssueBoardingPass(Passenger NewPassenger, int NumberOfAllSeats)
        {
            string   Flight  = "QF61";                              // Flight number
            string   Depart  = "BNE";                               // Departure
            string   Arrive  = "TYO";                               // Arrival
            int      Gate    = 83;                                  // Departure gate
            DateTime DepTime = new DateTime(2019, 6, 2, 9, 35, 00); // Departure time

            bool CheckUserInput;
            bool Available = false; // Checks the availability of the selected seat



            Write("How many passengers are traveling? >> ");
            CheckUserInput = int.TryParse(ReadLine(), out int NumberOfPassengers);

            NewPassenger.CheckUserInput(ref CheckUserInput, ref NumberOfPassengers, NumberOfAllSeats);

            int SeatsNeeded = NumberOfPassengers;

            // SeatNeeded is the number of seats that are required for passengers in one invoice.
            // It decrements one by one in every iteration when the user input one passenger information.


            for (int i = 0; i < NumberOfPassengers; i++)
            {
                NewPassenger.SeatMapDisplay(NumberOfAllSeats);
                NewPassenger.NumberOfAvailableSeats(out int AvailableSeats, NumberOfAllSeats);

                if (AvailableSeats >= SeatsNeeded)
                {
                    CheckUserInput = int.TryParse(Passenger.GetInput("Please select a seat >> "), out int PreferredSeat);

                    do
                    {
                        NewPassenger.CheckUserInput(ref CheckUserInput, ref PreferredSeat, NumberOfAllSeats);
                        NewPassenger.CheckAvailability(ref PreferredSeat, ref Available, ref CheckUserInput);
                    }while (CheckUserInput == false || Available == false || PreferredSeat > NumberOfAllSeats);

                    // Ask passenger's first name and show an error message if the user input nothing
                    do
                    {
                        NewPassenger.FName[PreferredSeat - 1] = Passenger.GetName("first name");
                        if (NewPassenger.FName[PreferredSeat - 1].Length == 0)
                        {
                            WriteLine("Your input is invalid. Please try again.");
                        }
                    }while (NewPassenger.FName[PreferredSeat - 1].Length == 0);

                    // Ask passenger's last name and show an error message if the user input nothing
                    do
                    {
                        NewPassenger.LName[PreferredSeat - 1] = Passenger.GetName("last name");
                        if (NewPassenger.LName[PreferredSeat - 1].Length == 0)
                        {
                            WriteLine("Your input is invalid. Please try again.");
                        }
                    }while (NewPassenger.LName[PreferredSeat - 1].Length == 0);

                    // Assign a security number
                    NewPassenger.SecurityNumber[PreferredSeat - 1] = NewPassenger.GenerateSN(out NewPassenger.SecurityNumber[PreferredSeat - 1]);

                    // Get the time when the boarding pass is issued
                    NewPassenger.IssuingTime[PreferredSeat - 1] = NewPassenger.GetCurrentTime(out NewPassenger.IssuingTime[PreferredSeat - 1]);
                    WriteLine();

                    NewPassenger.TicketDisplay(Flight, Depart, Arrive, Gate, DepTime, PreferredSeat);

                    SeatsNeeded--; // Decrements as the user took one seat above

                    // Shows different messages depending on the number of passengers in one invoice
                    if (i == NumberOfPassengers - 1)
                    {
                        WriteLine("Press Enter to go back to the main menu...");
                    }
                    else
                    {
                        WriteLine("Press Enter to continue to the next passenger...");
                    }

                    ReadKey(); // Waits for user input to show the issued boarding pass
                }

                else
                {
                    WriteLine("I'm sorry, but the number of available seats is currently {0}. Please call for an assistance.", AvailableSeats);
                    i = NumberOfPassengers; // Immediately breaks the for loop and goes back to main menu since there are not enough seats for user input
                    ReadKey();
                }

                Clear();
            }
        }
Exemplo n.º 2
0
        static void Main(string[] args)
        {
            int  NumberOfAllSeats = 40;
            int  ErrorCounter;    // Counts the number of errors to limit the trial to three times
            int  MaxTrial = 3;    // Number of trials users can make at once
            int  Continue;        // Switch case label for the choice of a passenger/airline/exit
            int  Options;         // Switch case label for airline options
            bool CheckUserInput;



            // Create an array  whose length is 40
            Passenger NewPassenger = new Passenger(NumberOfAllSeats);

            do
            {
                ErrorCounter = 0; // Initialize and reset the counter

                WriteLine("WELCOME TO ABC AIRLINES BOARDING PASS SYSTEM!");
                WriteLine();
                WriteLine("Are you a passenger or an airline assistant?");
                WriteLine("1. Passenger");
                WriteLine("2. Airline Staff");
                WriteLine("3. Exit");
                Write(">> ");

                CheckUserInput = int.TryParse(ReadLine(), out Continue);


                // Switch sections for the choice of a passenger/airline/exit
                switch (Continue)
                {
                // For passengers
                case 1:
                    Clear();
                    IssueBoardingPass(NewPassenger, NumberOfAllSeats);
                    break;

                // For airline staffs
                case 2:
                    Clear();
                    do
                    {
                        WriteLine("The program goes back to the main menu if your input is invalid for three times.");
                        WriteLine("What do you want to do?");
                        WriteLine();
                        WriteLine("1. Issue a boarding pass");
                        WriteLine("2. See available seats");
                        WriteLine("3. See a list of passengers");
                        WriteLine("4. Go back to the main menu");
                        Write(">> ");

                        CheckUserInput = int.TryParse(ReadLine(), out Options);
                        Clear();


                        // Switch sections for airline options
                        switch (Options)
                        {
                        // Issue boarding passes
                        case 1:
                            IssueBoardingPass(NewPassenger, NumberOfAllSeats);
                            break;

                        // View a map of available seats
                        case 2:
                            NewPassenger.SeatMapDisplay(NumberOfAllSeats);
                            Write("Press Enter to go back to the main menu...");
                            ReadKey();
                            Clear();
                            break;

                        // View the list of boarding passengers
                        case 3:
                            NewPassenger.ListDisplay(NumberOfAllSeats);
                            Write("Press Enter to go back to the main menu...");
                            ReadKey();
                            Clear();
                            break;

                        // Go back to the main menu
                        case 4:
                            break;

                        // Displays an error message and asks another input
                        default:
                            ErrorCounter++;
                            WriteLine("Your input is invalid. Please try again.");
                            WriteLine();
                            break;
                        }
                    } while (ErrorCounter < MaxTrial && Options != 1 && Options != 2 && Options != 3 && Options != 4);
                    // Automatically goes back to the main menu if user input invalid value for three times

                    break;

                // Terminate the program
                case 3:
                    break;

                // Displays an error message and asks another input
                default:
                    Clear();
                    WriteLine("Your input is invalid. Please try again.");
                    WriteLine();
                    break;
                }
            } while (Continue != 3); // Terminates when user input is 3 (Exit)
        }