AuthorizationAdapter in ActiveAdmin
I'm trying to set up 2 admins privileges in ActiveAdmin gem in Rails 4: "global admin" as AdminUser who will manage all, and see all pages in ActiveAdmin menu and "Service" - as AdminUser with is_service attribute set to true who only see few pages and can manage few models. ActionAdmin documentation for AuthorizationAdapter is terrible. Please help me, and explain how to do that from scratch.
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