Standard Controller Actions

Ruby on Rails defines seven standard controller actions can be used to do common things such as display and modify data.

👁 Seven actions

If you want to create routes for all seven actions in your app, you can add a resource route to your routes file. This resource route below maps URLs to the Messages controller’s seven actions (index, show, new, create, edit, update, and destroy):

resources :messages
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If you only want to create routes for specific actions, you can use :only to fine tune the resource route. This line maps URLs only to the Message controller’s index and show actions.

resources :messages,only:[:index,:show]
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