invoice numbering

[smnorris]

Just a clarification. The app specifies:

Remember that your invoice numbers should be continuous in the current year. Do not skip any in between and never use one twice.

Would this still apply if using a per client numbering system?
For example, I could get unique invoice names with numbering format X-YYYY-NN, producing invoices:

CLIENTA-2026-01
CLIENTA-2026-02
CLIENTB-2026-01
CLIENTB-2026-02
CLIENTB-2026-03

[simonlouschueler]

Currently, the Billy’s numbering system doesn’t allow for per-client number cycles, but I can file it as a feature request and try to add that in the future.

[smnorris]

Not a big priority. I'm mostly wondering whether the app/db will be corrupted if I do this myself now.

[simonlouschueler]

If you would do that manually via a variable in the number, that should work. In each invoice file on disk, there is still a counter that, for example, gets used for sorting the list of invoices, but that shouldn’t bother you.

[simonlouschueler]

Of course, you would miss out on features like the automatic creation of the next number when creating an invoice.