[ic] simple variable fetch for shipping mode cost

[interchange-users@interchange.redhat.com (Kevin Walsh)]

> 
> Is it possible to make a shipping mode that simply grabs the value of
> some variable (perhaps global) for the cost?
> 
> For instance, let's say I add a shipping mode like this:
> 
> CAN2	testomode	weight	0	0	e Nothing to ship!		{'ui_ship_type' =>
> "weight",'ups' => "0",'PriceDivide' => "1",}
> CAN2	testomode	weight	0	9999999	f [@@F2CAN@@]		{'PriceDivide' => "1",}
> 
> Will the checkout page grab the value of the global variable F2CAN and
> use it as the shipping cost for mode testomode? And what about sessions?
> If I have to use a global variable for this hypothetical scenario would
> I be able to have different values for each unique transaction?
> 
You could use [var F2CAN 1] to get the value of your @@F2CAN@@
variable.  If you want to just make up a value, using whatever
method you see fit, you could create your own UserTag and call it
as [myusertag].  For instance, you may have noticed the use of the
[ups-query] and [fedex-query] tags in the Foundation-supplied
shipping.asc file.

>
> I'm trying to do a ups style fetch from a different shipper to get some
> shipping costs. Where is the code that talks to ups and gets their
> prices? Perhaps this would be easier and more elegant if I could clone
> the ups system and adapt it to my needs.
>
The [ups-query] global UserTag is in a file called "ups_query.tag".
Which will be in your global usertags directory.

> 
> So far I have a globalsub that opens a socket, sends out the package
> info and receives a bunch of shipping options which I display on the
> checkout page. Am I re-inventing the wheel? Are there already functions
> similar to this built into interchange?
> 
I would personally build a (global) UserTag, rather than a GlobalSub,
as it would save having to switch nasty things like AllowGlobal on.
As far as your question is concerned, I have no idea.  Sorry.

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