private void AddNewItemsToCart(string userId, string session_UserId) // session_UserId should be the real user ID converteid to from int to string
{
List <CartItem> cart = db.Cart.Where(x => x.UserId == userId).ToList(); // userId should be the DeviceName
foreach (CartItem item in cart)
{
item.UserId = session_UserId;
db.Update(item);
db.SaveChanges();
}
}
//receive JSON data from Add.js. (When an item is added to the cart from gallery)
public JsonResult AddItemToCart([FromBody] Addinput product)
{
string sessionId; try { sessionId = HttpContext.Request.Cookies["sessionId"]; } catch (NullReferenceException) { sessionId = null; }
string userId; if (sessionId != null)
{
userId = HttpContext.Request.Cookies["userId"];
}
else
{
userId = Environment.MachineName;
}
CartItem item = db.Cart.FirstOrDefault(x => x.UserId == userId && x.pId == product.ProductId);
if (item == null)
{
item = new CartItem();
item.UserId = userId;
item.pId = product.ProductId;
item.Quantity = 1;
item.product = db.Products.FirstOrDefault(x => x.ProductId == int.Parse(product.ProductId));
db.Add(item);
}
else
{
item.Quantity += 1;
db.Update(item);
}
db.SaveChanges();
List <CartItem> cart = db.Cart.Where(x => x.UserId == userId).ToList();
int total = 0;
foreach (CartItem x in cart)
{
total += x.Quantity;
}
return(Json(new
{
status = "success",
total = total
}));
}