//delete user product
public ActionResult deleteCart(int?id)
{
MemberShop memsp = db.MemberShops.Find(id);
db.MemberShops.Remove(memsp);
Product proaa = db.Products.Find(memsp.productId);
proaa.productStore += (int)memsp.shopNumber;
db.SaveChanges();
return(RedirectToAction("cart"));
}
//use to chang shop number and chage product store
public ActionResult changeProductNumber(int?id, int?shopNumber)
{
Session["errorShop"] = "";
MemberShop memsp = db.MemberShops.Find(id);
Product product = db.Products.Find(memsp.productId);
product.productStore -= ((int)shopNumber - (int)memsp.shopNumber);
if (product.productStore >= 0)
{
memsp.shopNumber = shopNumber;
memsp.totalMoney = shopNumber * product.productPrice;
db.SaveChanges();
return(RedirectToAction("cart"));
}
Session["errorShop"] = "庫存不足";
return(RedirectToAction("cart"));
}
public ActionResult productDetail(int productId, int shopNumber, int productStore, int id, int totalMoney)
{
if (shopNumber != 0 && shopNumber <= productStore)
{
Product product_Strore = db.Products.Find(id);
product_Strore.productStore -= shopNumber;
MemberShop memShop = new MemberShop();
memShop.memberId = (int)Session["memberId"];
memShop.productId = productId;
memShop.payState = "未結帳";
memShop.shopNumber = shopNumber;
memShop.shopDate = DateTime.Now.ToString("yyyy/MM/dd");
memShop.memberShopID = DateTime.Now.ToString("yyyyMMdd") + String.Format("{0:00}", Session["memberId"]);
memShop.totalMoney = totalMoney * shopNumber;
db.MemberShops.Add(memShop);
db.SaveChanges();;
return(RedirectToAction("convertProduct"));
}
Session["errorShop"] = "不能為0或大於庫存量";
;
Product pro = db.Products.Find(id);
return(View(pro));
}
