public async Task ShouldReturnActiveCart()
{
var configBuilder = new ConfigurationBuilder()
.AddJsonFile("appsettings.json")
.Build();
var connectionString = configBuilder.GetConnectionString("SalesConnection");
var optionsBuilder = new DbContextOptionsBuilder <SalesContext>().UseSqlServer(connectionString).UseLoggerFactory(LoggerFactory.Create(builder => builder.AddDebug()));
var db = new SalesContext(optionsBuilder.Options);
var cartID = Guid.NewGuid();
var pID = Guid.NewGuid();
var amount = 10m;
var currency = "EUR";
var lastAmount = 5m;
db.Database.ExecuteSqlRaw("TRUNCATE TABLE Items");
db.Database.ExecuteSqlRaw("DELETE FROM Carts");
db.Carts.Add(new Cart(cartID)
{
State = CartState.Active, Items = new List <Item> {
new Item(pID, currentPrice: new Price(amount, currency), lastPrice: new Price(lastAmount, currency), 1)
}
});
db.SaveChanges();
var handler = new ActiveCartHandler(db);
var expected = new ActiveCart
{
CartID = cartID,
Items = new List <ActiveCart.Item>
{
new ActiveCart.Item
{
ProductID = pID,
Quantity = 1,
CurrentPrice = new ActiveCart.Price {
Amount = amount, Currency = currency
},
LastPrice = new ActiveCart.Price {
Amount = lastAmount, Currency = currency
}
}
}
};
var response = await handler.Handle(new ActiveCartQuery(), CancellationToken.None);
response.Should().Be(expected);
}
public IActionResult AddToCart([FromBody] CartItemViewModel model)
{
Product ProductToAdd = _context.product.Where(p => p.ProductId == model.ProductId).SingleOrDefault();
Cart ActiveCart;
Cart ExistingCart = _context.cart.Include(c => c.CartItems).Where(c => c.UserId == model.UserId && c.Status == "active").SingleOrDefault();
if (ExistingCart == null)
{
Cart NewCart = new Cart {
UserId = model.UserId, Status = "active"
};
_context.Add(NewCart);
_context.SaveChanges();
ActiveCart = NewCart;
}
else
{
ActiveCart = ExistingCart;
}
if (ActiveCart.ContainsCartItem(ProductToAdd) == false)
{
if (model.Quantity <= ProductToAdd.Quantity)
{
CartItem NewCartItem = new CartItem {
Quantity = model.Quantity, Cart = ActiveCart, Product = ProductToAdd
};
_context.Add(NewCartItem);
_context.SaveChanges();
return(StatusCode(201));
}
else
{
string response = "This quantity is not available";
return(Json(response));
}
}
else
{
string response = "This product is already in your cart. Please update quantity in cart.";
return(Json(response));
}
}
