public CartCheckedOut(ShoppingCart cart)
{
Id = cart.Id;
var items = from line in cart.Lines
group line by line.ProductId
into lines
select new {productId = lines.Key, quantity = lines.Sum(x => x.Quantity)};
Items = items.ToDictionary(x => x.productId, x => (uint) x.quantity);
}
protected IHttpActionResult ShoppingCart(ShoppingCart cart, string error = null)
{
var response = new ShoppingCartResponse(cart, Url, error);
AddLink(new HttpMethod("PATCH"), "add-items", response.Resource, "add-items", null);
if (cart.Lines.Any())
AddLink(HttpMethod.Post, "checkout", response.Resource, "CO", null);
if (response.Error != null)
LogResponseError(response.Error);
return Ok(response);
}
async Task IShoppingCarts.SaveCartAsync(ShoppingCart cart)
{
var json = JsonConvert.SerializeObject(cart);
store.AddOrUpdate(cart.Id, json, (id, s) => json);
}
public Item(ShoppingCart.Line line, UrlHelper urlHelper)
{
Product = new ResourceReference(urlHelper.GetProductDetailsUri(line.ProductId), line.ProductName);
Quantity = line.Quantity;
}
private Item Map(ShoppingCart.Line line)
{
return new Item(line, urlHelper);
}
public ShoppingCartState(ShoppingCart cart, UrlHelper urlHelper)
{
this.urlHelper = urlHelper;
Id = cart.Id;
Items = Map(cart.Lines);
}
private string GetStorageId(ShoppingCart cart)
{
return GetStorageId(cart.Id);
}
public Task SaveCartAsync(ShoppingCart cart)
{
return storage.SaveAsync(GetStorageId(cart), cart);
}
