public bool BuyProduct(string productName)
{
foreach (Product product in productsList)
{
if (product.Name == productName)
{
if (product.Stock > 0)
{
// New order for the last task
Order newOrder = new Order(orderIdGenerator++, product.Name, DateTime.Now);
orderList.Add(newOrder);
product.Stock--;
// Instance of the current client
IWebshopEvents clientCallback = OperationContext.Current.GetCallbackChannel <IWebshopEvents>();
// We remove it to prevent dealock
StockChanged -= clientCallback.OnStockChanged;
// Add the new full course
StockChanged(GetAllProducts().ToArray());
// Add the current cliet back
StockChanged += clientCallback.OnStockChanged;
return(true);
}
}
}
return(false);
}
public void UnsubscribeEvent()
{
IWebshopEvents clientCallback = OperationContext.Current.GetCallbackChannel <IWebshopEvents>();
StockChanged -= clientCallback.OnStockChanged;
}
