Re: Pricing Routines to perform Unit Price conversions before used in sub/totaling

[Chris Müller <cmueller@polinet.ch>]

******    message to minivend-users from Chris =?iso-8859-1?Q?M=FCller?= <cmueller@polinet.ch>     ******

I may not understand your problem, but price conversion ist pretty well documented in
the section "Internationalization".  I run shops with five currencies and use the
price field plus a locale.asc database with a PriceDivide directive for each
currency.
Chris


Barry Treahy wrote:

> ******    message to minivend-users from Barry Treahy <treahy@mmaz.com>     ******
>
> Ok...  I've seen posted on the list many times on this list (and in the
> documentation) that if we start getting close, the experts that be may
> speak.
>
> I am attempting to do on the fly currency conversion to foreign prices
> from a US$ based price list.  Creating price lists for each supported
> currency is not an option nor dealing with the flucuations on a regular
> basis with a 'hard-coded' list will not work.
>
> We've been encouraged to try UserTag's but everything I've attempted
> fails to manipulate the item-subtotal or subtotal fields, I can only
> presume this will not work because the order of precedence is too late.
>
> I've been pouring through the code with two Perl books open, taking a
> crash course, and I came across an undocument reference in Data.pm
> regarding pricing which appears to be a configuration option;
> ItemPriceRoutine.
>
> >From the little that I have learned about Perl, this routine from
> Data.pm:
>
> sub item_price {
>         &{$Vend::Cfg->{ItemPriceRoutine}}(@_);
> }
>
> is being passed parameters, the item-code and the item-quantity as well
> as an optional pricing database.  I've also learned that the & in Perl
> is a reference pointer to a procedural routine entry point.  So it would
> seem that calls to item_price is just a generic dispatch to a
> configurable pricing routine.
>
> Great, but I have been unable to put together, based on looking at
> Config.pm, what the default pricing routine is, to use this as a
> template to construct a custom one nor do I know how to correctly
> reference it in the configuration file...
>
> How about some help now... Please?
>
> Barry
>
> Ps. I'm not the only one that will benefit from this.  I've had e-mails
> sent to me directly asking for the very same thing if I can get it
> going...
>
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