public VendingMachineItem BuyItem(string code, TransactionSession session)
{
VendingMachineItem wantedItem = null;
foreach (VendingMachineItem item in items)
{
if (item.ItemCode == code)
{
decimal price = item.Price;
session.Deduct(price);
item.NumberInStock--;
wantedItem = item;
}
}
return(wantedItem);
}
public bool HaveEnoughToBuy(string code, TransactionSession session)
{
bool hasEnough = false;
foreach (VendingMachineItem item in items)
{
if (item.ItemCode == code)
{
if (session.Balance >= item.Price)
{
hasEnough = true;
}
}
}
return(hasEnough);
}
public void TransactionMenu()
{
TransactionSession session = new TransactionSession();
bool validTransInput = false;
while (!validTransInput)
{
Console.WriteLine("(1) Feed Money");
Console.WriteLine("(2) Select Product");
Console.WriteLine("(3) Finish Transaction");
Console.WriteLine($"Current Money Provided: ${session.Balance}");
Console.WriteLine();
Console.Write("Selection: ");
string transInput = Console.ReadLine();
switch (transInput)
{
case "1":
// Feed Money
Console.Clear();
Console.Write("Please enter an accepted dollar amount (1, 2, 5, 10): ");
decimal billValue = 0.0M;
string inputFeed = Console.ReadLine();
while (!decimal.TryParse(inputFeed, out billValue))
{
Console.Clear();
Console.WriteLine($"\'{inputFeed}\' is not an accepted dollar amount! Try again!");
Console.Write("Please enter an accepted dollar amount (1, 2, 5, 10): ");
inputFeed = Console.ReadLine();
}
while (!session.Deposit(billValue))
{
Console.Clear();
Console.WriteLine($"\'{billValue}\' is not an accepted dollar amount! Try again!");
Console.Write("Please enter an accepted dollar amount (1, 2, 5, 10): ");
billValue = decimal.Parse(Console.ReadLine());
}
Console.Clear();
vendingMachine.WriteLineToLog("FEED MONEY:", billValue, session.Balance);
// 10/01/2018 12:00:00 PM FEED MONEY: $5.00 $5.00
// Date Time "FEED MONEY:" amount_added balance
break;
case "2":
// Select Product
Console.Clear();
Display();
Console.Write("Select an item code: ");
string input = Console.ReadLine();
string inputCode = input.ToUpper();
if (!vendingMachine.IsValidCode(inputCode))
{
Console.Clear();
Console.WriteLine($"\'{input}\' is not a valid item code");
Console.WriteLine();
}
else
{
if (!vendingMachine.IsInStock(inputCode))
{
Console.Clear();
Console.WriteLine($"\'{inputCode}\' is out of stock");
Console.WriteLine();
}
else
{
// buy the item
if (vendingMachine.HaveEnoughToBuy(inputCode, session))
{
decimal startingBalance = session.Balance;
VendingMachineItem theItem = vendingMachine.BuyItem(inputCode, session);
Console.Clear();
Console.WriteLine($"User obtained one (1) {theItem.Name}");
Console.WriteLine();
Console.WriteLine(theItem.Text);
Console.WriteLine();
vendingMachine.WriteLineToLog($"{theItem.Name} {theItem.ItemCode}", startingBalance, session.Balance);
}
else
{
Console.Clear();
Console.WriteLine("Funds not sufficient ;(");
Console.WriteLine();
}
}
}
// 10/01/2018 12:00:20 PM Crunchie B4 $10.00 $8.50
// Date Time itemName itemCode balanceBefore balanceAfter
break;
case "3":
// Finish Transaction
Console.Clear();
if (session.Balance > 0)
{
decimal changeBack = session.Balance;
string change = session.FinishTransaction();
Console.WriteLine("Change returned:");
Console.WriteLine();
Console.WriteLine(change);
Console.WriteLine();
vendingMachine.WriteLineToLog("GIVE CHANGE:", changeBack, session.Balance);
}
validTransInput = true;
// 10/01/2018 12:01:35 PM GIVE CHANGE: $7.50 $0.00
// Date Time "GIVE CHANGE:" balanceBefore balanceAfter
break;
default:
// If input is not 1, 2, or 3
Console.Clear();
Console.WriteLine($"\'{transInput}\' is not a valid selection dammit! Try again!");
Console.WriteLine();
Console.WriteLine("(1) Feed Money");
Console.WriteLine("(2) Select Product");
Console.WriteLine("(3) Finish Transaction");
Console.WriteLine($"Current Money Provided: ${session.Balance}");
transInput = Console.ReadLine();
break;
}
}
}