app/controllers/admin/ranks_controller.rb
class Admin::RanksController < Admin::StandardAuthorizationController
protected
def collection
@ranks ||= end_of_association_chain.order(:taxonomic_position).page(params[:page])
end
private
def rank_params
params.require(:rank).permit(
# attributes were in model `attr_accessible`.
:name, :display_name_en, :display_name_es, :display_name_fr, :taxonomic_position, :fixed_order
)
end
end