protected string AddCart(Cart cart)
{
try
{
var cartExist = Session["cart"] != null;
if (cartExist && IsInCart(cart) == false)
{
List<Cart> carts = (List<Cart>)Session["cart"];
carts.Add(cart);
Session["cart"] = carts;
}
else if (cartExist && IsInCart(cart))
{
List<Cart> carts = (List<Cart>)Session["cart"];
foreach (Cart p in carts)
{
if (p.ProductID == cart.ProductID)
{
p.Amount += cart.Amount;
Session["cart"] = carts;
break;
}
}
}
else
{
Session["cart"] = new List<Cart> { cart };
}
return "Order was succesfully added";
}
catch (Exception e)
{
return "Error:" + e;
}
}
private static Models.Cart RemoveReference(this Models.Cart item)
{
var obj = new Models.Cart();
if (item != null)
{
obj.Id = item.Id;
obj.IsActive = item.IsActive;
obj.AdditionalCost = item.AdditionalCost;
obj.IpAddress = item.IpAddress;
obj.IsConvertToCheckout = item.IsConvertToCheckout;
obj.OrderDate = item.OrderDate;
obj.OrderNumber = item.OrderNumber;
//obj.TotalAmount = item.TotalAmount;
obj.UserId = item.UserId;
obj.VendorId = item.VendorId;
}
return(obj);
}
protected void btnAdd_Click(object sender, EventArgs e)
{
if (!string.IsNullOrWhiteSpace(Request.QueryString["id"]))
{
string clientId = "-1";
int id = Convert.ToInt32(Request.QueryString["id"]);
int amount = Convert.ToInt32(ddlAmount.SelectedValue);
Cart cart = new Cart()
{
Amount = amount,
ClientID = clientId,
DatePurchased = DateTime.Now,
IsInChart = true,
ProductID = id
};
lblResult.Text = AddCart(cart);
Response.RedirectPermanent("~/Pages/Index.aspx");
}
}
public ActionResult AddCartItem(int bookId)
{
//string bookId = Request.QueryString["bookId"];
//得到当前用户
Customer customer = Session["user"] as Customer;
//判断当前用户是否有购物车
var cart = bse.Carts.Where(c => c.customerId == customer.id).FirstOrDefault();
if (cart == null)
{
//没有则创建购物车
customer = bse.Customers.Where(c => c.id == customer.id).FirstOrDefault();
cart = new Models.Cart(customer);
bse.Carts.Add(cart);
bse.SaveChanges();
}
var cartItem = cart.CartItems.Where(c => c.bookId == bookId).FirstOrDefault();
if (cartItem == null)
{
var book = bse.Books.Where(b => b.id == bookId).FirstOrDefault();
cartItem = new CartItem(book);
cart.CartItems.Add(cartItem);
}
//更新购物车明细的数量和价钱
cartItem.num += 1;
cartItem.price = cartItem.Book.price * cartItem.num;
//跟新购物车的明细和价钱
cart.num += 1;
cart.price += cartItem.Book.price;
bse.SaveChanges();
return(RedirectToAction("Cart", "Home"));
}
public ActionResult AddCartItem(int bookId)
{
//string bookId = Request.QueryString["bookId"];
//得到当前用户
Customer customer = Session["user"] as Customer;
//判断当前用户是否有购物车
var cart = bse.Carts.Where(c => c.customerId == customer.id).FirstOrDefault();
if (cart == null)
{
//没有则创建购物车
customer = bse.Customers.Where(c => c.id == customer.id).FirstOrDefault();
cart = new Models.Cart(customer);
bse.Carts.Add(cart);
bse.SaveChanges();
}
var cartItem = cart.CartItems.Where(c => c.bookId == bookId).FirstOrDefault();
if (cartItem == null)
{
var book = bse.Books.Where(b => b.id == bookId).FirstOrDefault();
cartItem = new CartItem(book);
cart.CartItems.Add(cartItem);
}
//更新购物车明细的数量和价钱
cartItem.num += 1;
cartItem.price = cartItem.Book.price * cartItem.num;
//跟新购物车的明细和价钱
cart.num += 1;
cart.price += cartItem.Book.price;
bse.SaveChanges();
return RedirectToAction("Cart", "Home");
}
private bool IsInCart(Cart cart)
{
List<Cart> carts = (List<Cart>) Session["cart"];
foreach (Cart c in carts)
{
if (c.ProductID == cart.ProductID)
return true;
}
return false;
}
