public void Test_Initialize()
{
users = JsonConvert.DeserializeObject<List<User>>(File.ReadAllText(@"Data/Users.json"));
products = JsonConvert.DeserializeObject<List<Product>>(File.ReadAllText(@"Data/Products.json"));
ui = new ConsoleUserInterface();
}
public Store(List<Product> products, UserInterface ui)
{
if (products == null)
throw new ArgumentException();
if (ui == null)
throw new ArgumentException();
}
public LoginManager(IEnumerable<User> users, UserInterface ui)
{
if (users == null)
throw new ArgumentException();
if (ui == null)
throw new ArgumentException();
this.users = users;
this.ui = ui;
}
public static void Start(List<User> users, List<Product> products, UserInterface ui)
{
// Write welcome message
ui.displayBanner("Welcome to TUSC");
LoginManager loginManager = new LoginManager(users, ui);
User loggedInUser = loginManager.login();
if (loggedInUser == null)
{
ui.promptUserToExit();
return;
}
// Show welcome message
ui.displayNotices("Login successful! Welcome " + loggedInUser.Name + "!");
// Show balance
Console.WriteLine();
Console.WriteLine("Your balance is " + loggedInUser.Balance.ToString("C"));
// Show product list
while (true)
{
// Prompt for user input
Console.WriteLine();
Console.WriteLine("What would you like to buy?");
for (int i = 0; i < 7; i++)
{
Product product = products[i];
Console.WriteLine(i + 1 + ": " + product.Name + " (" + product.Price.ToString("C") + ")");
}
Console.WriteLine(products.Count + 1 + ": Exit");
// Prompt for user input
string answer = ui.getStringInputFromUser("Enter a number:");
int selectedProductIndex = Convert.ToInt32(answer);
selectedProductIndex = selectedProductIndex - 1;
// Check if user entered number that equals product count
if (selectedProductIndex == products.Count)
{
ui.promptUserToExit();
return;
}
else
{
Product selectedProduct = products[selectedProductIndex];
Console.WriteLine();
Console.WriteLine("You want to buy: " + selectedProduct.Name);
Console.WriteLine("Your balance is " + loggedInUser.Balance.ToString("C"));
// Prompt for user input
answer = ui.getStringInputFromUser("Enter amount to purchase:");
int quantityToPurchase = Convert.ToInt32(answer);
// Check if balance - quantity * price is less than 0
if (loggedInUser.Balance - selectedProduct.Price * quantityToPurchase < 0)
{
ui.displayErrors("You do not have enough money to buy that.");
continue;
}
// Check if quantity is less than quantity
if (selectedProduct.Quantity <= quantityToPurchase)
{
ui.displayErrors("Sorry, " + selectedProduct.Name + " is out of stock");
continue;
}
if (quantityToPurchase > 0)
{
// Balance = Balance - Price * Quantity
loggedInUser.Balance = loggedInUser.Balance - selectedProduct.Price * quantityToPurchase;
// Quanity = Quantity - Quantity
selectedProduct.Quantity = selectedProduct.Quantity - quantityToPurchase;
ui.displayNotices("You bought " + quantityToPurchase + " " + selectedProduct.Name, "Your new balance is " + loggedInUser.Balance.ToString("C"));
}
else
{
ui.displayWarnings("Purchase cancelled");
}
}
}
}