//載入購物車
public ActionResult LoadCart()
{
//會員
if (Session["IsLogin"] != null || Request.Cookies["IsLogin"] != null)
{
List <CartItem> cart;
int uid = int.Parse(Request.Cookies["upid"].Value);
var usercart = db.Carts.Where(c => c.UserID == uid);
if (usercart.Count() > 0)
{
//把db.cart內容回傳cart>
cart = ProductMethod.Cart(uid).ToList();
return(Json(cart, JsonRequestBehavior.AllowGet));
}
else
{
return(Json(0, JsonRequestBehavior.AllowGet));
}
}
//非會員
else
{
if (Session["cart"] != null)
{
return(Json((List <CartItem>)Session["cart"], JsonRequestBehavior.AllowGet));
}
else
{
List <CartItem> empty = new List <CartItem>();
return(Json(empty, JsonRequestBehavior.AllowGet));
}
}
}
public ActionResult Detail()
{
if (Session["recent"] != null)
{
List <int> recent = (List <int>)Session["recent"];
List <CartItem> citems = new List <CartItem>();
CartItem citem;
foreach (var pd in recent)
{
decimal sprice;
string activityname;
if (db.ActivityProducts.Where(a => a.ProductID == pd).Count() > 0)
{
sprice = db.ActivityProducts.Where(a => a.ProductID == pd && a.Activity.EndDate >= DateTime.Now).FirstOrDefault().Activity.DiscountMethod.Discount;
activityname = db.ActivityProducts.Where(a => a.ProductID == pd && a.Activity.EndDate >= DateTime.Now).FirstOrDefault().Activity.ActivityName;
}
else
{
sprice = 0;
activityname = null;
}
citem = new CartItem()
{
ProductID = pd,
ProductName = db.Products.Find(pd).ProductName,
UnitPrice = db.Products.Find(pd).UnitPrice,
SUnitPrice = Convert.ToInt32(Math.Floor(sprice * db.Products.Find(pd).UnitPrice)),
ActivityName = activityname
};
citems.Add(citem);
}
ViewBag.recent = citems.ToList();
}
ViewBag.paymethod = db.PayMethods.ToList();
if (Session["IsLogin"] != null || Request.Cookies["IsLogin"] != null)
{
List <CartItem> cart;
int uid = int.Parse(Request.Cookies["upid"].Value);
var usercart = db.Carts.Where(c => c.UserID == uid).ToList();
if (usercart.Count() > 0)
{
cart = ProductMethod.Cart(uid);
Session.Add("check", cart);
return(View(cart));
}
else
{
cart = new List <CartItem>();
return(View(cart));
}
}
else
{
return(RedirectToAction("Index", "Login", new { area = "Members" }));
}
}
public ActionResult ChangeQty(int id, int cid, int sid, int qty)
{
List <CartItem> cart;
int uid = int.Parse(Request.Cookies["upid"].Value);
var sameitem = db.Carts.Where(c => c.UserID == uid && c.ProductID == id && c.ProductColorID == cid && c.ProductSizeID == sid).First();
sameitem.Quantity = qty;
db.Entry(sameitem).State = System.Data.Entity.EntityState.Modified;
db.SaveChanges();
cart = ProductMethod.Cart(uid);
return(Json(cart, JsonRequestBehavior.AllowGet));
}
public ActionResult RemoveCart(int id, int cid, int sid)
{
List <CartItem> cart;
int uid = int.Parse(Request.Cookies["upid"].Value);
var cartitem = db.Carts.Where(c => c.UserID == uid && c.ProductID == id && c.ProductColorID == cid && c.ProductSizeID == sid).First();
db.Carts.Remove(cartitem);
db.SaveChanges();
var usercart = db.Carts.Where(c => c.UserID == uid).ToList();
if (usercart.Count() > 0)
{
//把db.cart內容回傳cart>
cart = ProductMethod.Cart(uid);
return(Json(cart, JsonRequestBehavior.AllowGet));
}
else
{
return(Json(0, JsonRequestBehavior.AllowGet));
}
}
//加入購物車
public ActionResult AddCart(CartItem item)
{
List <CartItem> cart;
item.ProductName = db.Products.Find(item.ProductID).ProductName;
item.ColorName = db.Colors.Find(item.ColorID).ColorName;
item.SizeName = db.Sizes.Find(item.SizeID).SizeName;
//會員
if (Session["IsLogin"] != null || Request.Cookies["IsLogin"] != null)
{
int uid = int.Parse(Request.Cookies["upid"].Value);
int pcid = db.ProductColors.Where(c => c.ProductID == item.ProductID && c.ColorID == item.ColorID).First().ProductColorID;
int psid = db.ProductSizes.Where(c => c.ProductID == item.ProductID && c.SizeID == item.SizeID).First().ProductSizeID;
var sameitem = db.Carts.Where(c => c.UserID == uid && c.ProductID == item.ProductID && c.ProductColorID == pcid && c.ProductSizeID == psid).ToList();
//購物車內已有相同款式商品
if (sameitem.Count() > 0)
{
sameitem.First().Quantity += item.OrderQTY;
db.Entry(sameitem.First()).State = System.Data.Entity.EntityState.Modified;
}
//購物車內無相同款式
else
{
Cart cartitem = new Cart()
{
UserID = uid,
ProductID = item.ProductID,
ProductColorID = pcid,
ProductSizeID = psid,
Quantity = item.OrderQTY,
UnitPrice = item.UnitPrice
};
db.Carts.Add(cartitem);
}
db.SaveChanges();
//把db.cart內容回傳cart>
cart = ProductMethod.Cart(uid);
return(Json(cart, JsonRequestBehavior.AllowGet));
}
//非會員
else
{
////已有購物車(非購買第一件商品)
//if (Session["cart"] != null)
//{
// cart = (List<CartItem>)Session["cart"];
// var incart = cart.Where(c => c.ProductID == item.ProductID && c.ColorID == item.ColorID && c.SizeID == item.SizeID).ToList();
// //購物車內已有相同款式商品
// if (incart.Count() > 0)
// {
// incart.First().OrderQTY += item.OrderQTY;
// }
// //購物車內無相同款式
// else
// {
// cart.Add(item);
// }
// Session.Add("cart", cart);
//}
////尚未產生購物車(購買第一項商品)
//else
//{
// //建立購物車
// cart = new List<CartItem>();
// //加入商品
// cart.Add(item);
// Session.Add("cart", cart);
//}
return(Json("notmember", JsonRequestBehavior.AllowGet));
}
}
