/// <summary>
/// Request shopping cart.
/// </summary>
/// <param name="request">Shopping cart request message.</param>
/// <returns>Shopping cart response message.</returns>
public CartResponse GetCart(CartRequest request)
{
CartResponse response = new CartResponse();
response.CorrelationId = request.RequestId;
// Validate client tag and access token
if (!ValidRequest(request, response, Validate.ClientTag | Validate.AccessToken))
return response;
// Always return recomputed shopping cart
response.Cart = Mapper.ToDataTransferObject(_shoppingCart);
return response;
}
/// <summary>
/// Sets (add, edit, delete) shopping cart data.
/// </summary>
/// <param name="request">Shopping cart request message.</param>
/// <returns>Shopping cart response message.</returns>
public CartResponse SetCart(CartRequest request)
{
CartResponse response = new CartResponse();
response.CorrelationId = request.RequestId;
// Validate client tag and access token
if (!ValidRequest(request, response, Validate.ClientTag | Validate.AccessToken))
return response;
if (request.Action == "Read")
{
// Do nothing, just return cart
}
else if (request.Action == "Create")
{
_shoppingCart.AddItem(request.CartItem.Id, request.CartItem.Name,
request.CartItem.Quantity, request.CartItem.UnitPrice);
}
else if (request.Action == "Update")
{
// Either shipping method or quantity requires update
if (!string.IsNullOrEmpty(request.ShippingMethod))
_shoppingCart.ShippingMethod = (ShippingMethod)Enum.Parse(typeof(ShippingMethod), request.ShippingMethod);
else
_shoppingCart.UpdateQuantity(request.CartItem.Id, request.CartItem.Quantity);
}
else if (request.Action == "Delete")
{
_shoppingCart.RemoveItem(request.CartItem.Id);
}
_shoppingCart.ReCalculate();
response.Cart = Mapper.ToDataTransferObject(_shoppingCart);
return response;
}