public ActionResult AddCart(string asin)
{
var cartId = string.Empty;
var hmac = string.Empty;
var authentication = this.GetConfig();
var wrapper = new AmazonWrapper(authentication, this._amazonEndpoint, this._associateTag);
AmazonCartItem item;
if (Session["cartId"] == null)
{
item = new AmazonCartItem(asin);
var cardCreateResponse = wrapper.CartCreate(new List <AmazonCartItem> {
item
});
Session["cartId"] = cardCreateResponse.Cart.CartId;
Session["hmac"] = cardCreateResponse.Cart.HMAC;
return(Json(new { Successful = true, cardCreateResponse.Cart.CartId }, JsonRequestBehavior.AllowGet));
}
cartId = Session["cartId"] as string;
hmac = Session["hmac"] as string;
item = new AmazonCartItem(asin);
var cardAddResponse = wrapper.CartAdd(item, cartId, hmac);
return(Json(new { Successful = true, cardAddResponse.Cart.CartId }, JsonRequestBehavior.AllowGet));
}
