// Attache the PDF.
        def f = request.getFile('invoiceFile')
        if(!f.empty) {
            newOrder.invoiceFile = "${generator.nextInt(1000000)}.pdf"
            f.transferTo(new File(servletContext.getAttribute("InvoicesFolder") + newOrder.invoiceFile))
        } else {
            newOrder.invoiceFile = null
        }