protected void Page_Load(object sender, EventArgs e)
{
product = Request.QueryString["product"];
String category = Request.QueryString["category"];
String search = Request.QueryString["search"];
products = QueryClass.GetProductData();
categories = QueryClass.GetCategories();
//adds an item into the cart based on th addItem value
if (Request.QueryString["addItem"] != null)
{
//
int productID = Convert.ToInt32(Request.QueryString["addItem"]);
List <Product> cart = new List <Product>();
bool isCartNew = false;
//gets the cart or sets a new one
if (Session["cart"] == null)
{
isCartNew = true;
}
else
{
cart = (List <Product>)Session["cart"];
}
int productIndex = -1;
foreach (Product pTemp in products)
{
productIndex++;
if (pTemp.ID == productID)
{
break;
}
}
Product p = products[productIndex];
if (isCartNew)
{
cart.Add(p);
Session.Add("cart", cart);
}
else
{
int positionIndex = -1;
//find said product in the cart
for (int i = 0; i < cart.Count; i++)
{
if (cart[i].Name.Equals(p.Name))
{
positionIndex = i;
}
}
if (positionIndex == -1)
{
cart.Add(p);
}
//if found, only adds item if there is enought stock
else if (p.Stock > cart[positionIndex].Quantity)
{
cart[positionIndex].Quantity += 1;
}
Session["cart"] = cart;
}
}
//finds products by category
if (category != null)
{
products = QueryClass.GetProductsByCategory(category);
}
//finds products by search
if (search != null)
{
products = QueryClass.GetProductsBySearch(search);
}
}