/// <summary>
/// The AddtoCart
/// </summary>
/// <param name="productId">The productId<see cref="int"/></param>
/// <param name="count">The count<see cref="int"/></param>
public void AddtoCart(int productId, int count = 1)
{
CheckLoginStatus();
ProductItem stock = _marketRepository.GetStock(productId);
if (stock == null)
{
throw new InvalidOperationException($"Product {productId} is out of stock.");
}
if (count <= 0)
{
throw new ArgumentOutOfRangeException("count", "Count cannot less than 1.");
}
if (stock.Count < count)
{
throw new ArgumentOutOfRangeException("count", $"There is no enough product in stock. left {stock.Count}, need {count}");
}
var locker = LockFile("cart.lk");
_customerRepository.AddToCart(ShoppingCartId, productId, count);
UnlockFile(locker);
}
/// <summary>
/// The RemoveProduct
/// </summary>
/// <param name="productID">The productID<see cref="int"/></param>
public void RemoveProduct(int productID)
{
var locker = LockFile("product.lk");
var product = _marketRepository.FindProduct(productID);
if (product == null)
{
UnlockFile(locker);
throw new InvalidOperationException("This product does not exist.");
}
var locker2 = LockFile("stock.lk");
var stock = _marketRepository.GetStock(productID);
if (stock != null)
{
UnlockFile(locker2);
UnlockFile(locker);
throw new InvalidOperationException($"There are still some {product.Name}({stock.Count}) in the stock.");
}
_marketRepository.RemoveProduct(product);
UnlockFile(locker2);
UnlockFile(locker);
}
