public static Response UpdateCart(int userId, int productId, int qty)
{
int n = 0;
bool isNumeric = int.TryParse(qty.ToString(), out n);
Product p = ProductHandler.GetProduct(productId);
if (isNumeric == false)
{
return(new Response(false, "must be numeric"));
}
else if (qty > p.Stock)
{
return(new Response(false, "must be less than or equals to current stock"));
}
else if (qty < 0)
{
return(new Response(false, "input field cannot be inputted below 0"));
}
else
{
CartHandler.UpdateCart(userId, productId, qty);
return(new Response(true));
}
}
public static Response UpdateCart(int userId, int productId, string quantity)
{
if (quantity == "" || quantity.All(char.IsDigit) != true)
{
return(new Response(false, "Quantity cannot be empty or non numeric"));
}
int _quantity = Int32.Parse(quantity);
if (CartHandler.UpdateCart(userId, productId, _quantity))
{
return(new Response(true, "Cart has been updated"));
}
return(new Response(false, "Quantity invalid"));
}
public void UpdateCart(string productID, object userID, TextBox txtQuantity, Label lblErrorSubmit, Label Stock)
{
int ProductID = Int32.Parse(productID);
int UserID = Int32.Parse(userID.ToString());
Product currentProduct = new ProductHandler().GetProductByID(ProductID);
Cart currentCart = new CartHandler().GetCartByTwoId(UserID, ProductID);
int currentListTotal = new CartHandler().CountListByProductId(ProductID) + currentProduct.Stock;
if (Int32.Parse(txtQuantity.Text) > currentListTotal || Int32.Parse(txtQuantity.Text) == 0 || Int32.Parse(txtQuantity.Text) == currentCart.Quantity)
{
txtQuantity.Text = "";
lblErrorSubmit.Text = "Please input a valid quantity";
lblErrorSubmit.ForeColor = System.Drawing.Color.Red;
lblErrorSubmit.Visible = true;
}
else if (txtQuantity != null)
{
int Quantity = Int32.Parse(txtQuantity.Text);
if (Int32.Parse(txtQuantity.Text) > currentCart.Quantity)
{
int QuantityInput = Int32.Parse(txtQuantity.Text) - currentCart.Quantity;
new ProductHandler().SubstractProductStockById(ProductID, QuantityInput);
}
else
{
int QuantityInput = currentCart.Quantity - Int32.Parse(txtQuantity.Text);
new ProductHandler().AddProductStockById(ProductID, QuantityInput);
}
CartHandler.UpdateCart(UserID, ProductID, Quantity);
txtQuantity.Text = "";
lblErrorSubmit.ForeColor = System.Drawing.Color.Black;
lblErrorSubmit.Text = "Successfully updated cart.";
lblErrorSubmit.Visible = true;
Product NewProduct = new ProductHandler().GetProductByID(ProductID);
Stock.Text = NewProduct.Stock.ToString();
HttpContext.Current.Response.Redirect("ViewCart.aspx");
}
}
public static Response UpdateCart(int ProductID, int UserID, string QuantityTxt)
{
if (QuantityTxt == "")
{
return(new Response(false, "Quantity must be filled"));
}
int Quantity;
if (!int.TryParse(QuantityTxt, out Quantity))
{
return(new Response(false, "Quantity must be numeric"));
}
Quantity = int.Parse(QuantityTxt);
if (Quantity < 0)
{
return(new Response(false, "Quantity must be 0 or more than 0"));
}
Response response = CartHandler.UpdateCart(ProductID, UserID, Quantity);
return(response);
}
