ruby on rails - Why resources on collection has different routing helper then regular post -


in routes.rb had resource

resources :home_screen_buttons     post :update_multiple, :on => :collection end

update_multiple helper update_multiple_home_screen_buttons

then decided remove resource because need update_multiple method in controller, changed routes.rb to

post "home_screen_buttons/update_multiple"

it create helper home_screen_buttons_update_multiple instead of update_multiple_home_screen_buttons

why has different routing helper name?

it makes sense :on => :collection has different helper :on => :member, there other way adding :as => :update_multiple_home_screen_buttons post method same behavior?

this how rails this. when match used, maps uri action , creates corresponding helper path controller_action_path
when used collection, becomes restful action resource , rails gives logical name relating collection. quoted example here: 

resources :photos   collection     'search'   end end

generates search_photos_path.

you have done this: 

resources :home_screen_buttons, :only => [:update_multiple]     post :update_multiple, :on => :collection end

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