private void updAvailListInOptimisticScenario(DropDownList ddl, int prodAttrId, int alreadyInCart, int newQuantity, LinkButton lnk)
{
List <int> qtyList;
PRODUCT_ATTRIBUTE prodAttr = ApplicationContext.Current.Products.GetProductAvailability(prodAttrId, out qtyList, alreadyInCart);
if (!qtyList.Contains(newQuantity))
{
ddl.SelectedValue = alreadyInCart.ToString();
lnk.Text = alreadyInCart.ToString();
lblMessage.Text = Resources.Lang.InsufficientAvailabilityMessage;
CartSession.Find(c => c.ProductAttributeId == prodAttrId).Quantity = alreadyInCart;
}
}
protected void ddlQty_SelectedIndexChanged(object sender, EventArgs e)
{
DropDownList ddl = sender as DropDownList;
int selectedQty;
if (Int32.TryParse(ddl.SelectedValue, out selectedQty))
{
RepeaterItem item = (RepeaterItem)ddl.NamingContainer;
HiddenField field = (HiddenField)item.FindControl("ProdAttrID");
int prodAttrId;
if (Int32.TryParse(field.Value, out prodAttrId))
{
SessionCart cart = CartSession.Find(c => c.ProductAttributeId == prodAttrId);
if (cart != null)
{
// we already have the right version in the session variable cartsession
int oldQuantity = cart.Quantity;
SHOPPING_CART shopping = new SHOPPING_CART()
{
ID = cart.Id, ProdAttrID = prodAttrId
};
// session var
cart.Quantity = selectedQty;
cart.DateAdded = DateTime.Now;
shopping.Quantity = selectedQty;
shopping.DateAdded = DateTime.Now;
shopping.ProductAttributeVersion = cart.ProductAttributeVersion;
LinkButton lnk = (LinkButton)item.FindControl("lnkEdit");
try
{
ApplicationContext.Current.Carts.Update(shopping, oldQuantity);
lblMessage.Text = String.Empty;
}
catch (Exception ex)
{
BasePage.Log(ex, ex.Message, ex.StackTrace, "Cart Control");
updAvailListInOptimisticScenario(ddl, prodAttrId, oldQuantity, selectedQty, lnk);
}
finally
{
DataBind();
ddl.Visible = false;
lnk.Visible = true;
}
}
}
}
}
protected void rptDetails_ItemCommand(object source, RepeaterCommandEventArgs e)
{
if (e.CommandSource is LinkButton)
{
LinkButton lnk = e.CommandSource as LinkButton;
if (!String.IsNullOrWhiteSpace(lnk.CommandArgument))
{
int prodAttrID;
if (Int32.TryParse(lnk.CommandArgument, out prodAttrID))
{
if (lnk.ID == "lnkEdit")
{
RepeaterItem item = (RepeaterItem)lnk.NamingContainer;
DropDownList ddlQty = (DropDownList)item.FindControl("ddlQty");
ddlQty.Visible = true;
lnk.Visible = false;
List <int> qtyList;
PRODUCT_ATTRIBUTE prodAttr = ApplicationContext.Current.Products.GetProductAvailability(prodAttrID, out qtyList, Int32.Parse(lnk.Text));
// updating version
SessionCart cart = CartSession.Find(c => c.ProductAttributeId == prodAttrID);
cart.ProductAttributeVersion = prodAttr.Version;
ddlQty.DataSource = qtyList;
ddlQty.DataBind();
ddlQty.SelectedValue = lnk.Text;
}
else if (lnk.ID == "lnkRemove")
{
ApplicationContext.Current.Carts.DeleteById(CartSession.First().Id, prodAttrID);
DataBind();
}
if (CartSession == null || CartSession.Count == 0)
{
lblMessage.Text = Resources.Lang.EmptyCartLabel;
rptDetails.Visible = false;
}
else
{
lblMessage.Text = String.Empty;
}
}
}
}
}
protected void lnkAddToBasket_Click(object sender, EventArgs e)
{
string CartID = String.Empty;
Guid g = Guid.NewGuid();
UniqueIdGenerator unique = UniqueIdGenerator.GetInstance();
string cartId = unique.GetBase32UniqueId(g.ToByteArray(), 20).ToLower();
if (CartSession == null || CartSession.Count == 0)
{
CartID = cartId;
CartSession = new List <SessionCart>();
}
else
{
List <SessionCart> cSession = CartSession.OrderByDescending(c => c.DateAdded).ToList();
SessionCart sessionCart = cSession.First();
if (sessionCart.DateAdded.AddMinutes(Configuration.CartExpirationValue) < DateTime.Now)
{
RefreshCart();
CartID = cartId;
}
else
{
CartID = CartSession.First().Id;
}
}
SHOPPING_CART cart = new SHOPPING_CART();
cart.ID = CartID;
cart.FrontEnd = true;
cart.CampaignID = CampaignID;
cart.CustomerID = CurrentCustomer.Id;
cart.DateAdded = DateTime.Now;
cart.ProductID = ProductID;
int num = 0;
if (!Int32.TryParse(ddlSize.SelectedValue, out num))
{
return;
}
cart.ProdAttrID = num;
num = 0;
if (!Int32.TryParse(ddlQuantity.SelectedValue, out num) || num == 0)
{
return;
}
cart.Quantity = num;
// the versions list of lists is created each time the product popup is shown, and destroyed each time it is closed
if (Version != null)
{
cart.ProductAttributeVersion = Version;
}
else
{
throw new ApplicationException("Session is compromised! Cannot proceed.");
}
SessionCart sC;
try
{
// already in the cart
if (CartSession != null && CartSession.Count > 0 && (sC = CartSession.Find(c => c.ProductAttributeId == cart.ProdAttrID)) != null)
{
// sum with old quantity
cart.Quantity += sC.Quantity;
ApplicationContext.Current.Carts.Update(cart, sC.Quantity);
// updating session with last quantity and last prod-attr version
sC.Quantity = cart.Quantity;
sC.ProductAttributeVersion = cart.ProductAttributeVersion;
}
else
{
ApplicationContext.Current.Carts.Insert(cart);
sC = new SessionCart(cart);
CartSession.Add(sC);
}
TotalAmount = ApplicationContext.Current.Carts.GetShoppingCartTotalAmount(CartID);
}
catch (Exception ex)
{
//TODO log error
Log(ex, ex.Message, ex.StackTrace, "Product.AddToCart");
List <int> qtyList;
PRODUCT_ATTRIBUTE prodAttr = ApplicationContext.Current.Products.GetProductAvailability(cart.ProdAttrID, out qtyList);
Version = prodAttr.Version;
ddlQuantity.DataSource = qtyList;
ddlQuantity.DataBind();
if (!qtyList.Contains(cart.Quantity))
{
lblMessage.Text = Resources.Lang.InsufficientAvailabilityMessage;
}
if (qtyList.Count == 0)
{
ddlQuantity.Enabled = false;
lnkAddToBasket.Enabled = false;
loadProductAttributes();
}
//refreshing the size ddl
loadProductAttributes();
updPanelDDL.Update();
return;
}
Version = null;
Response.Redirect("/cart/mycart/");
}
