public void GetInput(BarCode barCode = null)
{
if (barCode != null)
GetProduct(barCode);
else
GetExitCode();
}
public void GetProduct(BarCode barCode)
{
BarCodeScanner = new BarCodeScanner(this.ProductRepository);
var productID = BarCodeScanner.GetProductID(barCode);
if (productID != -1)
{
var product = BarCodeScanner.GetProduct(productID);
if (product != null)
{
Products.Add(product);
var message = string.Format("{0}, {1}", product.ProductName, product.ProductPrice);
LCDisplayDevice.MessageToDisplay = message;
LCDisplayDevice.PrintMessage(message);
}
else
{
LCDisplayDevice.MessageToDisplay = "Product not found";
LCDisplayDevice.PrintMessage("Product not found");
}
}
else
{
LCDisplayDevice.MessageToDisplay = "Invalid bar-code";
LCDisplayDevice.PrintMessage("Invalid bar-code");
}
}
public int GetProductID(BarCode barCode)
{
int productID = -1;
if (barCode != null && barCode.ProductID.HasValue)
{
productID = barCode.ProductID.Value;
}
else
{
ErrorMessage = "Invalid bar-code";
}
return productID;
}
