public void TestInitialize()
{
var options = new DbContextOptionsBuilder <toprockContext>()
.UseInMemoryDatabase(Guid.NewGuid().ToString())
.Options;
_context = new toprockContext(options);
products = new List <Product>();
// 2. create mock data and add to in-memory database
Category mockCategory = new Category
{
CategoryId = 100,
Name = "A Fake Category"
};
products.Add(new Product
{
ProductId = 1,
Name = "Product A",
Price = 10,
Category = mockCategory
});
products.Add(new Product
{
ProductId = 2,
Name = "Product B",
Price = 5,
Category = mockCategory
});
products.Add(new Product
{
ProductId = 3,
Name = "Product C",
Price = 15,
Category = mockCategory
});
foreach (var p in products)
{
// add each product to in-memory db
_context.Product.Add(p);
}
_context.SaveChanges();
productsController = new ProductsController(_context);
}
public IActionResult AddToCart(int Quantity, int ProductId)
{
// identity product price
var product = _context.Product.SingleOrDefault(p => p.ProductId == ProductId);
var price = product.Price;
// determine the username;
var cartUsername = GetCartUsername();
// check if this user has this product is already in cart. If so, update quantity
var cartItem = _context.Cart.SingleOrDefault(c => c.ProductId == ProductId && c.Username == cartUsername);
if (cartItem == null)
{
// if product not already in cart, create and save a new Cart object
var cart = new Cart
{
ProductId = ProductId,
Quantity = Quantity,
Price = price,
Username = cartUsername
};
_context.Cart.Add(cart);
}
else
{
cartItem.Quantity += Quantity; // add the new quantity to the existing quantity
_context.Update(cartItem);
}
_context.SaveChanges();
//show the cart page
return(RedirectToAction("Cart"));
}