[GNC] How to create a new Invoice report template

[Stein Erik Berget]

Thanks! I guess that I will go the XSLT route for now. Will see if it works
before trying to get it to work with bindings.

man. 17. apr. 2023 kl. 17:57 skrev john <jralls at ceridwen.us>:

>
>
> On Apr 17, 2023, at 12:27 AM, Stein Erik Berget <seberget at gmail.com>
> wrote:
>
> Hi all.
> I've been wondering how I can create a new invoice report for suppliers.
> The report is not to be created on paper, but to be delivered as email. The
> format is in XML and is known to be EHF - Elektronic Trade Format.
> https://anskaffelser.dev/postaward/g3/spec/current/billing-3.0/norway/
> shows how this would look like. The advantage in this format is direct
> handling of it, both at the supplier and you.
>
> How do I start with this? Where do I create the hooks and the driver to
> populate the report?
>
>
> The simplest way would be to write a program in the language of your
> choice to convert
> a GnuCash Invoice from HTML to XML complying with the EHF schema.
>
> For more flexibility you can query the GnuCash data using C/C++ or the
> Python/Guile
> bindings and write a program to format the XML directly from that, or
> write an external
> program to read the data directly from the GnuCash data file. Unless
> you're really
> proficient with XSLT or XQuery you'll probably prefer to save your file as
> SQL and query
> the resulting database. The SQL schema is described in
> https://wiki.gnucash.org/wiki/SQL and
> there's non-normative XML relax-ng schema and DTDs at
> https://github.com/Gnucash/gnucash/tree/stable/libgnucash/doc/xml.
>
> Regards,
> John Ralls
>
>