//TODO: Create check cart function for code efficiency
// GET: Orders/ViewCart
public ActionResult ViewCart()
{
string email = User.Identity.GetUserName();
Order cart = db.Orders.FirstOrDefault(i => i.Email == email);
if (cart == null)
{
cart = new Order();
cart.Email = email;
cart.Total = 0;
cart.OrderDate = DateTime.Now;
db.Orders.Add(cart);
db.SaveChanges();
}
return Redirect("/Orders/Details/" + cart.OrderId);
}
// GET: /Order/AddToCart/5
public ActionResult AddToCart(int id, int quantity)
{
string email = User.Identity.GetUserName();
//find the product
Product product = db.Products.First(i => i.ProductId == id);
//create a temporary order detail instance based on the provided product id and quantity
OrderDetail currentOrder = new OrderDetail();
currentOrder.Quantity = quantity;
currentOrder.Total = quantity * product.DiscountedPrice;
currentOrder.ProductId = product.ProductId;
if(email == null || email == "")
{
return Redirect("/Account/Register");
}
//if the user does not have a cart setup yet, create one
//otherwise, update the user's cart
Order cart = db.Orders.FirstOrDefault(i => i.Email == email);
if (cart == null)
{
cart = new Order();
cart.Email = email;
cart.Total = product.DiscountedPrice * quantity;
cart.OrderDate = DateTime.Now;
//cart.OrderDetails = new List<OrderDetail>();
//cart.OrderDetails.Add(currentOrder);
db.Orders.Add(cart);
db.OrderDetails.Add(currentOrder);
db.SaveChanges();
}
else
{
//check if the cart has the same item
//if it does, update the old order detail
//if not, add the current order detail
OrderDetail orderDetail = db.OrderDetails
.Where(i => i.OrderId == cart.OrderId)
.Where(j => j.ProductId == currentOrder.ProductId)
.FirstOrDefault();
if(orderDetail == null)
{
currentOrder.OrderId = cart.OrderId;
db.OrderDetails.Add(currentOrder);
}
else
{
orderDetail.Quantity += currentOrder.Quantity;
orderDetail.Total += currentOrder.Total;
db.Entry(orderDetail).State = EntityState.Modified;
db.Entry(cart).State = EntityState.Modified;
}
cart.Total += currentOrder.Total;
db.SaveChanges();
}
cart = db.Orders.FirstOrDefault(i => i.Email == email);
// Go back to the products page
return Redirect("/Orders/Details/" + cart.OrderId);
}