}// End AddMoney
private void MakePurchase(string selection)
{
decimal startBalance = VendOMatic.Balance;
// This is a placeholder Item
// If the slotID in selection is valid, this will be overwritten with that item's information
Item purchaseItem = new Item("ID", "Item Name", 0.0M, "Item Category");
string slotID = "";
// Using this variable to keep track of our transaction's validity
// Makes each 'if' statement decoupled from the others
// Otherwise we have a bunch of nested if/else statements that got super messy
bool validTransaction = true;
if (selection.Length < 2)
{
Console.WriteLine("Invalid slot ID, transaction denied.");
validTransaction = false;
}
if (validTransaction)
{
slotID = selection.Substring(0, 2).ToUpper();
}
if (validTransaction && !VendOMatic.Stock.ContainsKey(slotID))
{
Console.WriteLine("Invalid slot ID, transaction denied.");
validTransaction = false;
}
if (validTransaction && VendOMatic.Stock[slotID].Count < 1)
{
Console.WriteLine("This item is sold out.");
validTransaction = false;
}
// If validTransaction is still true, we know we have a valid key
// And that the item is not sold out
if (validTransaction)
{
purchaseItem = VendOMatic.Stock[slotID][0];
}
if (validTransaction && VendOMatic.Balance < purchaseItem.Price)
{
Console.WriteLine("Insufficient funds, transaction denied.");
validTransaction = false;
}
// if validTransaction is still true here, then every condition above must also be true
if (validTransaction)
{
Customer.Cart.Add(purchaseItem);
VendOMatic.Purchase(slotID);
FileLog.Log(purchaseItem.ItemName, startBalance, VendOMatic.Balance);
FileLog.TransactionHistory(purchaseItem);
Console.WriteLine($"You bought {purchaseItem.ItemName}. Enjoy!");
}
Console.ReadKey();
}// End MakePurchase
protected override bool ExecuteSelection(string choice)
{
string selection = "";
switch (choice)
{
case "1": // Feed money option
Console.Clear();
Console.WriteLine("*** Feed money ***");
Console.WriteLine($"*** Current balance: {VendOMatic.Balance:C} ***");
Console.WriteLine("1. Add 1¢");
Console.WriteLine("2. Add 5¢");
Console.WriteLine("3. Add 10¢");
Console.WriteLine("4. Add 25¢");
Console.WriteLine("5. Add $1");
Console.WriteLine("6. Add $2");
Console.WriteLine("7. Add $5");
Console.WriteLine("8. Add $10");
Console.WriteLine("Q. Quit");
selection = Console.ReadLine().Trim();
selection = selection.Substring(0, 1).ToUpper();
if (selection != "Q")
{
this.AddMoney(selection);
}
Console.WriteLine();
return(true);
case "2": // Purchase
VendOMatic.ShowContents();
Console.Write("Please enter a slot ID: ");
selection = Console.ReadLine().Trim();
this.MakePurchase(selection);
return(true);
case "3": // Finish transaction
// Print out the change we recieve using our change object
Console.WriteLine(this.TotalChange.TotalValue(VendOMatic.Balance));
// Restock the vending machine
Stocker stocker = new Stocker();
FileLog.Log("GIVE CHANGE", VendOMatic.Balance, 0.0M);
VendOMatic.Load(stocker.Restock());
// Eat everything
this.Customer.Eat();
Console.ReadKey();
return(false);
case "Q":
return(false);
} // End switch
return(true);
} // End ExecuteSelection
/// <summary>
/// The override of ExecuteSelection handles whatever selection was made by the user.
/// This is where any business logic is executed.
/// </summary>
/// <param name="choice">"Key" of the user's menu selection</param>
/// <returns>True if we want to stay in the menu loop, false otherwise</returns>
protected override bool ExecuteSelection(string choice)
{
switch (choice)
{
case "1":
// Print out the stock of our vending machine
VendOMatic.ShowContents();
Console.ReadKey();
return(true);
case "2":
// The purchase sub menu
{
PurchaseMenu purchaseMenu = new PurchaseMenu();
purchaseMenu.Receive(VendOMatic, this.Customer);
purchaseMenu.Run();
}
return(true);
}
return(true);
}
} // End ExecuteSelection
private void AddMoney(string choice)
{
decimal startBalance = VendOMatic.Balance;
switch (choice)
{
case "1":
VendOMatic.FeedMoney(0.01M);
break;
case "2":
VendOMatic.FeedMoney(0.05M);
break;
case "3":
VendOMatic.FeedMoney(0.1M);
break;
case "4":
VendOMatic.FeedMoney(0.25M);
break;
case "5":
VendOMatic.FeedMoney(1.0M);
break;
case "6":
VendOMatic.FeedMoney(2.0M);
break;
case "7":
VendOMatic.FeedMoney(5.0M);
break;
case "8":
VendOMatic.FeedMoney(10.0M);
break;
}
FileLog.Log("FEED MONEY", startBalance, VendOMatic.Balance);
}// End AddMoney
