// Finds the item that corresponds with id and decrements quantity, or removes if quantity == 1;
protected void RemoveFromCart(int id)
{
// Gets list of type ProductCart from session data
List <Models.ProductCart> ProductCartList = (List <Models.ProductCart>)Session["ProductCart"];
// If there is a productcart item with matching id
Models.ProductCart CartItem = ProductCartList.Find(i => i.ID == id);
if (CartItem != null)
{
// If quantity > 1, decrement quantity by 1
if (CartItem.Quantity > 1)
{
System.Diagnostics.Debug.WriteLine("Decrementing ProductCart item quantity");
CartItem.Quantity -= 1;
}
// Else if quantity == 1, remove productcart item from list
else if (CartItem.Quantity == 1)
{
System.Diagnostics.Debug.WriteLine("Removing ProductCart item");
ProductCartList.Remove(CartItem);
}
}
// Else weird error, console log
else if (CartItem == null)
{
System.Diagnostics.Debug.WriteLine("Error: Could not find item to remove with id: " + id);
}
// Stores list back into session data
Session["ProductCart"] = ProductCartList;
// Removes 1 from session cart count
Session["CartCount"] = (int)Session["CartCount"] - 1;
System.Diagnostics.Debug.WriteLine("Cart count: " + (int)Session["CartCount"]);
}
//Add products to cart
protected void AddToCart(int id)
{
// Gets list of type ProductCart from session data
List <Models.ProductCart> ProductCartList = (List <Models.ProductCart>)Session["ProductCart"];
// If there exists a productcart item with matching id, increment quantity by 1
Models.ProductCart CartItem = ProductCartList.Find(i => i.ID == id);
if (CartItem != null)
{
System.Diagnostics.Debug.WriteLine("Incrementing ProductCart item quantity");
CartItem.Quantity += 1;
}
// Else if null (no matching id), create productcart item with quantity 1 and add to list
else if (CartItem == null)
{
System.Diagnostics.Debug.WriteLine("Creating new ProductCart item");
CartItem = new Models.ProductCart(id, 1);
ProductCartList.Add(CartItem);
}
// Stores list back into session data
Session["ProductCart"] = ProductCartList;
// Adds 1 to session cart count
Session["CartCount"] = (int)Session["CartCount"] + 1;
System.Diagnostics.Debug.WriteLine("Cart count: " + (int)Session["CartCount"]);
}
