ruby on rails - Active Admin before filter for namespace only -

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i have namespace admin. apply before_filter namespace (not default one, superuser).

i can add following code in active_admin.rb

ns.before_filter :is_subscribed?

but then, superuser gets filter too.

i tried adding before_filter inside namespace configuration :

config.namespace :admin |ns|   ...   ns.before_filter :is_subscribed? end

but rails throws error : 

undefined method `before_filter' #<activeadmin::namespace:0x007fa2e0f75f00>

you add controller before_filter in controllers in namespace inherit controller?

ie. adminbasecontroller.


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