public ActionResult Scan(string items)
{
//create our cart
Cart cart = new Cart();
//items sku's are single chars - split the input string into them
char[] skuList = items.ToCharArray();
//loop through each sku and find it's item from the db
foreach (char sku in skuList)
{
string strSku = sku.ToString().ToUpper();
Item item = Db.GetItemBySKU(sku);
//only process the item if it exists in the database
if (item != null)
{
//if the sku is already in the cart - increase the qty
if (cart.CartItems.Any(c => c.Item.SKU == strSku))
{
cart.CartItems.First(c => c.Item.SKU == strSku).ItemQty++;
}
else
{
//new sku for the cart - add it
cart.CartItems.Add(new CartItem
{
Item = item,
ItemQty = 1
});
}
}
//this is our helper method to apply the discounts to each item and update the cart total
cart.UpdateCartTotal();
}
CartViewModel cartViewModel = new CartViewModel(cart);
//send the user back to the cart index page where we can display the cart details.
return View("Index", cartViewModel);
}
//
// GET: /Cart/
public ActionResult Index(CartViewModel model)
{
return View(model);
}