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Re: autoincrementing invoices numbers

by Nathan Gray :: Rate this Message:

On 6-May-09, at 5:55 AM, <cotanda@...> <cotanda@...>
wrote:

> One simple question (and maybe a little naive: :$:$)
> When you make an invoice, you don't call the post method on
> class.ReceivableInvoice.inc.php ??

"Make" is a little ambiguous.
The post method is only called when the {Receivable | Payable}Invoice
is posted.
There is a common Invoice class, in perp_api, where everything common
to invoices is kept.
ReceivableInvoice and PayableInvoice extend Invoice, and change things
to be AP or AR specific.

> I am trying to do the next thing:
> *When you add a new invoice you give it its invoice number, which
> won't
> be necesarily definitive.
> *When you post an invoice (you make it definitive) and you give as
> invoice number the first "non posted" invoice number available. That
> way,
> you swap both numbers.

I think you lost me. Could you spell it out with an example?

> It's maybe a little weird, but this way you won't have to change
> posted
> invoices (which is suposed to be imposible) when you delete an
> invoice, and
> you won't get any jump in your posted (or not) invoices, even if the
> number
> order will be the posting one and the invoice numbering could dance
> before
> you post an invoice. It's posible to put messages informing the user
> when
> adding a new invoice.
> What do you thing... too weird???

Could be. I think some of the other reference numbers can change when
saving, so it's not unprecedented.

Invoices, however, are a little different in that you can save them
(for a quote, for example), print them out, and give them to a
client. My concern is about confusion. If the client accepts the
quote, somebody brings up that invoice and posts it, the reference
number may jump.

It may not be avoidable in a multi-user system, with multiple invoices
being entered at the same time. If you want, I can try to run it past
accounting here, and see what they say.

Thanks,
Nathan Gray
nathan at goarctic dot com

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