Roman Schmid

Where did that issue arise? Single-Step- or Multi-Step-Checkout?

That is a general SilverStripe "issue" or limitation. DataObjects can never be edited by non-admins if permissions aren't explicitly granted. Not sure if we should introduce explicit permissions for variations...

@wilr Looks like a great library. I guess tax calculation should be left to a module, or what do you think?

# Separately defined prices per product The `Product` shouldn't get any additional field (easier upgrade-path). Every additional price/currency will be added as a `has_many` relation to product (`Product has_many Prices`)....

# Currency conversion Convert prices to other currencies via conversion-rates. The conversion-rates could be hard-coded in config files, or looked up via an existing API (with caching to always have...

# Roadmap & Implementation Since this will most likely break existing APIs, this feature has to go into a new major release. We're going to have to create a new...

@a2nt That would be great. Is it already open-source? It seems like you've implemented the use-case of separately defined prices per currency? How did you solve the problems such as...

Number formatter is part of the PHP intl extension. This extension will be a requirement for SilverStripe 4, so we can start using NumberFormatter there.

I don't like the `updateActionsForm` extension point. It's being called from an extension and applied to a form… that's really confusing. I think it would be safe to remove `updateActionsForm`,...

What other forms are you talking about? This issue is about `OrderManipulation` and `updateActionsForm`, or am I missing something?