// GET: Product
public ActionResult Index()
{
//宣告回傳商品列表result
List <Models.Database.Product> result = new List <Models.Database.Product>();
//接收轉導的成功訊息
ViewBag.ResultMessage = TempData["ResultMessage"];
//使用CartsEntities類別，名稱為db
using (Models.Database._1MVC1Model db = new _1MVC1Model())
{
//使用LinQ語法抓取目前Products資料庫中所有資料
result = (from s in db.Products select s).ToList();
//將result傳送給檢視
return(View(result));
}
}
public bool AddProduct(int ProductId)
{
var findItem = this.cartItems
.Where(s => s.PSID == ProductId)
.Select(s => s)
.FirstOrDefault();
//判斷相同Id的CartItem是否已經存在購物車內
if (findItem == default(Models.Carts.CartItem))
{ //不存在購物車內，則新增一筆
using (Models.Database._1MVC1Model db = new _1MVC1Model())
{
var product = (
from ps in db.ProductSpecifications
where ps.ProductSpecificationID == ProductId
select new ChartViewModels
{
ProductSpecificationID = ps.ProductSpecificationID,
ProductID = ps.ProductID,
Price = ps.Price,
Colour = ps.Colour,
Image = ps.Image,
ProductName = ps.Product.ProductName,
Quantity = ps.Product.Quantity,
}).FirstOrDefault();
if (product != default(ViewModels.ChartViewModels))
{
this.AddProduct(product);
}
}
}
else
{ //存在購物車內，則將商品數量累加
findItem.Quantity += 1;
}
return(true);
}