ruby on rails - Customize "view" action in ActiveAdmin -


i new ruby on rails , working on project ruby on rails 4th version. right changing view of order in active admin getting errors.

activeadmin.register order     permit_params :id, :order_completed, :approved      # changing visual of view action, admin user can able see complete order details     show |order|         attributes_table             row :id # order id             row 'name' params[:user].first_name # not working, not showing user first_name assiated order id              # should user name. although user first_name in users table , user model availble.             row 'adress' params[:user].address # not working, not showing user address assiated order id             # should user address. although user first_name in users table , user model availble.         end     end      controller         def show              order_id = order.find(params[:id]).user_id             params[:user] = user.find(order_id)             show!         end     end end

my goal show order associated user's details address, name etc.

order table consists of 

 - id  - user_id  - order_completed (boolean)  - approved  - order_status (string) [in process, done]

user table consists of

 - id  - first_name  - last_name  - address  - membership_id


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