/// <summary>
/// Writes out a option menu to the console
/// </summary>
public void Display()
{
// Main Menu presented to User
while (true)
{
// CLEAR console followed by display options
Console.Clear();
Console.WriteLine("Main Menu");
Console.WriteLine("-------------");
Console.WriteLine("(1) Display Vending Machine Items");
Console.WriteLine("(2) Purchase");
Console.WriteLine();
Console.Write("> Pick One: ");
// SAVE user choice
string choice = Console.ReadLine();
if (choice == "1")
{
this.DisplayProducts();
}
else if (choice == "2")
{
// Instantiate PurchaseMenu and pass to current vending machine
PurchaseMenu pm = new PurchaseMenu(this.VM, this);
pm.Display();
}
else
{
Console.WriteLine("Invalid Input. Try Again");
}
}
}
/// <summary>
/// Displays the main menu.
/// </summary>
public void Display()
{
PrintHeader();
while (true)
{
DisplayMenuOptions();
Console.Write("What option do you want to select? ");
string input = Console.ReadLine().ToUpper();
// Displays all items and their price to the user.
if (input == "1")
{
ItemDisplay items = new ItemDisplay(this.Vm);
items.Display();
}
// Takes the user to the purchase menu.
else if (input == "2")
{
PurchaseMenu purchase = new PurchaseMenu(this.Vm);
purchase.Display();
}
// Exits the program.
else if (input == "Q" || input == "q")
{
Console.WriteLine("Quitting");
break;
}
// Asks the user to try again if they entered an invalid input.
else
{
Console.WriteLine("Please try again");
}
}
}
public void Display()
{
Console.Clear();
//Display menu options
Console.WriteLine(@"
_______ ______ ___ __ __
/__ __// / ____// | || / //________________________/ //__(_))___________________
/ // / __// | || / // / _\\ / ___ \\ / __ // / // / ___ \\ / ___ `//
/ // / //___ | ||/ // / __// / // / // / //_/ // / // / // / // / //_/ //
/_// /_____// |____// \___// /_// /_// \___,_// /_// /_// /_// \__, //
/_____//
*************************************************
** Please choose from the following options: **
** 1. Display Vending Machine Items **
** 2. Purchase Menu **
** 3. Exit **
** **
*************************************************");
//Get user input
int selection;
Console.WriteLine();
Console.Write("Please enter your selection: ");
bool isValid = int.TryParse(Console.ReadLine(), out selection);
//Validate the user input
while (!isValid || selection < 1 || selection > 4)
{
Console.WriteLine("You did not enter a valid choice please enter the number corresponding to your selection");
isValid = int.TryParse(Console.ReadLine(), out selection);
}
// Choose which methods to call based on user selection
if (selection == 1)
{
// Clear the console and display Menu Items
Console.Clear();
DisplayItems.Display(vm);
Console.WriteLine();
Console.WriteLine("Press Enter to return to main menu");
Console.ReadLine();
Display();
}
else if (selection == 2)
{
// Display Purchase Menu by creating a new purchase menu object and passing the vending machine reference to its contructor
PurchaseMenu pm = new PurchaseMenu(vm);
pm.Display();
}
else if (selection == 3)
{
// Exit Program
return;
}
else if (selection == 4)
{
// Generate a sales report and print it to file.
vm.PrintSalesReport();
//Inform the user that a report was generated and return to main menu
Console.WriteLine();
Console.WriteLine("Sales report generated, check the SalesReport folder to view the report.");
Console.WriteLine("Press enter to continue...");
Console.ReadLine();
Display();
}
}
public void DisplaySubMenu(VendingMachine vendingMachine, List <VendingMachineItem> customer, MainMenu mainmenu, VendingMachineLogger logger)
{
PurchaseMenu purchaseMenu = new PurchaseMenu();
purchaseMenu.Display(vendingMachine, customer, mainmenu, purchaseMenu, logger);
}