// Student submenu public override void Menu() { Console.WriteLine("--------------------"); Console.WriteLine("--- Student menu --- "); do { Console.WriteLine("--------------------------------------------------------------------"); Console.WriteLine("1. List students 2.Staff availability 3.Make booking 4.Cancel booking 5.Exit"); //check input do { input = Console.ReadLine(); }while (!UtilTool.checkInput(input)); stSelection = int.Parse(input); if (stSelection == 1) { Console.WriteLine("--- List students ---"); foreach (Students s in Program.studentList) { Console.WriteLine(s.id + " " + s.name + " " + s.email); } Console.WriteLine("--------------------"); } else if (stSelection == 2) { Console.WriteLine("--- Staff availability---"); string date; string staffId; do { Console.WriteLine("Enter date for staff availability (dd-mm-yyyy): "); date = Console.ReadLine(); } while (!UtilTool.checkSlotDate(date)); do { Console.WriteLine("Enter staff ID: "); staffId = Console.ReadLine(); } while (!UtilTool.checkStaffId(staffId)); UtilTool.printAvailableStaff(date, staffId); Console.WriteLine("--------------------"); } else if (stSelection == 3) { Console.WriteLine("--- Make booking ---"); makeBooking(); Console.WriteLine("----------------------"); } else if (stSelection == 4) { Console.WriteLine("--- Cancel booking ---"); cancelBooking(); Console.WriteLine("--------------------"); } else if (stSelection == 5) { Console.WriteLine("--- Back to main menu --- "); Console.WriteLine("--------------------"); break; } } while (stSelection != 5); }