from pdf.views import PDFView

class InvoicePDFView(PDFView):
    template_name = "payment/invoice.html"

    def get_context_data(self, **kwargs):
        kwargs.setdefault('type', "Rechnung")
        kwargs.setdefault('title', f'{kwargs["type"]} #{kwargs["object"].id}')
        return super().get_context_data(**kwargs)