/// <summary>
/// The CheckOut
/// </summary>
/// <param name="shoppingCartId">The shoppingCartId<see cref="int"/></param>
/// <returns>The <see cref="Receipt"/></returns>
public Receipt CheckOut(int shoppingCartId)
{
var shoppingCart = FindShoppingCart(shoppingCartId);
Receipt receipt = new Receipt
{
TransactionTime = DateTimeOffset.UtcNow,
ShoppingList = new List <TransactionItem>()
};
var items = receipt.ShoppingList;
foreach (var productItem in shoppingCart.ItemList)
{
var product = _marketRepository.FindProduct(productItem.ProductId);
items.Add(new TransactionItem
{
Id = productItem.ProductId,
Name = product.Name,
Price = product.Price,
Count = productItem.Count
});
_marketRepository.RemoveFromStock(productItem.ProductId, productItem.Count);
}
shoppingCart.ItemList.Clear();
return(AddNewReceipt(receipt));
}
/// <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);
}
