public VendingItem BuyItem(string userSelection) // buys the item, reducing balance by the item's cost and
{ // reducing the relevant inventory item by one.
VendingItem product = inventory[userSelection][0];
decimal productCost = product.Cost;
if (balance >= productCost)
{
VendingWriter vr = new VendingWriter(); // writing to/formatting log
string recordTransaction = (inventory[userSelection][0].Name + " ");
recordTransaction += userSelection + " $" + balance + " ";
balance -= productCost;
recordTransaction += "$" + balance; // more writing to the log
vr.WritingAFile(recordTransaction);
inventory[userSelection].RemoveAt(0);
return(product);
}
return(null);
}
/// <summary>
/// Vends the chosen item, if there are sufficient funds
/// </summary>
/// <param name="item">The item to vend</param>
/// <returns>Whether the item was vended</returns>
public bool Vend(VendingItem item)
{
// Initialize output variable
bool vending = false;
// If there are sufficient funds,
//
if (item.Price <= this.DepositedFunds)
{
this.DepositedFunds -= item.Price;
this.ItemsInTray.Add(item);
vending = true;
LogTransaction($"{item.Name} {item.Slot}", this.DepositedFunds + item.Price);
UpdateAudit(item.Price, item.Name);
this.Stock[item.Slot].Remove(item);
}
// Return whether the item was vended
return(vending);
}
public void Display()
{
while (true)
{
Console.WriteLine();
Console.WriteLine("(1) Feed Money");
Console.WriteLine("(2) Select Product");
Console.WriteLine("(3) Finish Transaction");
Console.WriteLine("Current Money Provided: $" + vm.Balance);
string userInput = Console.ReadLine();
if (userInput == "1")
{
Console.WriteLine("Please enter $1, $2, $5, or $10: "); //How to handle if entered with $?
Decimal.TryParse(Console.ReadLine(), out decimal cash);
if (cash == 1.00M || cash == 2.00M || cash == 5.00M || cash == 10.00M)
{
Console.WriteLine("Money Provided: $" + cash);
vm.AddMoney(cash);
Console.WriteLine("Your new balance is: $" + vm.Balance);
}
else
{
Console.WriteLine("Sorry, that's an invalid amount.");
}
}
else if (userInput == "2")
{
Console.WriteLine("Please enter your selection: ");
string input = (Console.ReadLine()).ToUpper();
if (!vm.IsValidSlot(input))
{
Console.WriteLine("Invalid product code. Please try again.");
}
else if (!vm.IsInStock(input))
{
Console.WriteLine("Sorry, item is sold out");
}
else
{
VendingItem userDesiredProduct = vm.GetItemAtSlot(input);
decimal cost = userDesiredProduct.Cost;
if (vm.Balance < cost)
{
Console.WriteLine("Please provide more cash");
}
else
{
boughtItems.Add(vm.BuyItem(input));
Console.WriteLine("Dispensing...");
Console.WriteLine("Current Balance: $" + vm.Balance);
}
}
}
else if (userInput == "3")
{
Console.WriteLine("Current Balance: $" + vm.Balance);
Console.WriteLine("Your change is " + vm.ReturnChange());
foreach (VendingItem item in boughtItems)
{
Console.WriteLine("Consuming item(s): " + item.MakeEatNoise());
}
boughtItems.Clear();
}
else
{
Console.WriteLine("Please try again.");
}
}
}
/// <summary>
///
/// </summary>
/// <param name="itemName"></param>
/// <param name="quantity"></param>
public InventoryItem(VendingItem itemName, int quantity)
{
ItemName = itemName;
Quantity = quantity;
}