There are a couple other threads on the topic of a direct entry of a price attribute. Rather than hijack any of those threads, I'm posting this here.
The purpose for me is to support additional donations or contributions along with purchases.
I constructed a prototype against my cart of a new base attribute type for "MONETARY". It's not a clean plugin or module and it's not even built against a clean 1.3.8a source collected.. having said that, if someone had left me these breadcrumbs I would have appreciated it, so..
I'm leaving these breadcrumbs for the next traveller into this space.
*PROTOTYPE EXPERIMENTAL CODE* ..so far it's working for me but has not received full testing yet.
It is not fully internationalized and doesn't use the built-in zen cart pricing and taxing code, but it does touch every single place I could find where a base attribute type is handled.
I will likely go forward with these changes even though they affect a significant number of core files. I'm posting things in this condition because I never know when I'll get another window of dedicated time to work on things like this.
[the forum only allows attaching ~40K zip file, mine in 90K, I'll have to find another way but I didn't want to add it to the contributions area because it's only half-baked and there's no "experimental" category].
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