static void Main(string[] args)
{
//Boolean to repeat or stop doWhile
bool startOver = false;
do
{
//Clearing the Console mainly for the second order
Console.Clear();
//Generating Lists to hold products and items you are shopping for
List <Product> productList = new List <Product>();
List <Product> shoppingCart = new List <Product>();
//Assigning Products to ProductList
productList = Product.GetProductList();
int inputValue = 0, itemSelected = 0, quantity = 0, cartQuantity = 0;
string userInput;
bool accessGranted = false;
Console.WriteLine("Welcome to GC Electronics!");
Console.WriteLine("\nWhat would you like to do today?");
//Calling Method to Display the actions a user can take
DisplayActionList();
inputValue = Validation.ValidInput(Console.ReadLine());
//If user enters a 1, they will go into the shopping area
if (inputValue == 1)
{
bool continueShopping = false;
do
{
//Clearing the screen of the previous code to keep it looking neat
Console.Clear();
Console.WriteLine("Welcome to the shop!\n");
//Sends the Product List to a void method containing a foreach to iterate through the list that will also sort it
DisplayItems(productList);
//Displays the number of items user has in their shopping cart if they are adding more than a single item
if (shoppingCart.Count > 0)
{
cartQuantity = 0;
foreach (var item in shoppingCart)
{
cartQuantity = cartQuantity + item.Quantity;
}
Console.WriteLine($"\nCurrent Item(s) in Shopping Cart: {cartQuantity}");
}
//Asking user to select product
Console.WriteLine("\nPlease add an item to your cart by typing in the number to the left of the item");
itemSelected = Validation.ValItemFromList(Console.ReadLine(), productList.Count);
//Asking user to input quantity
Console.WriteLine("\nHow many would you like to add?");
quantity = Validation.ValidAmount();
//Adding item and quantity selected to shopping cart
shoppingCart.Add(AddToCart(productList, itemSelected, quantity));
//Allowing user to add more items or head to checkout
Console.WriteLine("\nWould you like to add another item to your cart or proceed to checkout?\nPlease type in \"continue\" or \"checkout\"");
continueShopping = Validation.ToContinue(Console.ReadLine());
} while (continueShopping == true);
//Sends shopping cart to payment selections and payment screen
PaymentChoice(shoppingCart);
//Allows user to create another transaction or close pos
Console.WriteLine("\nWould you like to make another transaction or close the terminal?\nPlease type in \"Restart\" or \"Close\"");
startOver = Validation.RestartOrClose(Console.ReadLine());
}
//allows user to add or remove product if they have the admin password
else if (inputValue == 2)
{
//this section only allows 3 attempts to put in password else it returns to main menu
for (int i = 1; i < 4; i++)
{
Console.WriteLine("Please enter the administrative password");
userInput = Console.ReadLine();
if (userInput == "gcAdmin")
{
i = 50;
accessGranted = true;
}
else
{
Console.WriteLine($"Password was incorrect. You have {3-i} attempt(s) left");
}
}
if (accessGranted == true)
{
Product.ModifyProductList(productList);
startOver = true;
}
else
{
Console.WriteLine("Access denied. You will be returned to the main menu in 5 seconds");
startOver = true;
Thread.Sleep(5000);
}
}
else
{
startOver = false;
}
} while (startOver == true);
Console.WriteLine("Thank you for using the POS");
}
public static void PaymentChoice(List <Product> shoppingCart)
{
decimal subTotal = 0m, salesTax = 0m, grandTotal = 0m, change = 0m;
bool valid = false;
Console.WriteLine();
//displays users totals
foreach (Product item in shoppingCart)
{
subTotal = Math.Round((Payment.STotal(item.Quantity, item.PriceEach) + subTotal), 2, MidpointRounding.ToZero);
salesTax = Math.Round((Payment.Tax(subTotal) + salesTax), 2, MidpointRounding.ToZero);
}
grandTotal = Math.Round((Payment.GrandTotal(subTotal, salesTax)), 2, MidpointRounding.ToZero);
//displays users shopping cart
Console.WriteLine("You have selected the following items:\n");
foreach (var product in shoppingCart)
{
Console.WriteLine($"{product.Quantity} x {product.Name} @ {product.PriceEach.ToString("C2")}");
}
Console.WriteLine($"\nSubtotal: {subTotal.ToString("C2")}\nSales Tax: {salesTax.ToString("C2")}\n\nGrand Total: {grandTotal.ToString("C2")}\n");
Console.WriteLine("Continuing to Checkout screen in 5 seconds");
Thread.Sleep(5000);
do
{
//clearing screen to make it neat
Console.Clear();
//displays grand total to be paid
Console.WriteLine($"Grand Total: {grandTotal.ToString("C2")}\n");
//allows user to select method of payment
Console.WriteLine("\nPayment choice: Cash, Credit, Check..");
string paymentType = Validation.ValidPaymentType(Console.ReadLine());
if (paymentType == "cash")
{
//sends grandtotal to PayCash method and allows user to enter exact amount or more than needed to return change. Will not allow partial payments
change = Payment.PayCash(grandTotal);
Thread.Sleep(5000);
Console.Clear();
//sends items and change to receipt list
Receipt.DisplayCashReceipt(shoppingCart, change);
}
else if (paymentType == "credit" || paymentType == "credit card" || paymentType == "card")
{
//user enters cc number
Console.WriteLine("Please enter your credit card number");
string ccNumber = Validation.ValidCreditCard(Console.ReadLine());
//sends cc number to Payment class to gather remaining info to validate
Payment.CCPayment(ccNumber);
Console.WriteLine("Successful! Please wait for your receipt");
Thread.Sleep(5000);
Console.Clear();
//sends items and cc number to receipt
Receipt.DisplayCreditCardReceipt(shoppingCart, ccNumber);
}
else if (paymentType == "check")
{
//validates check number
Console.WriteLine("Please enter your check number");
int checknum = Validation.ValidCheck(Console.ReadLine());
Console.WriteLine("Please wait");
Thread.Sleep(5000);
Console.Clear();
//sends items and check number to receipt
Receipt.DisplayCheckReceipt(shoppingCart, checknum);
}
} while (valid == true);
}