Call actions on ActiveRecord fields before update or create.
action_field strip: [:first_name, :last_name]
The above code will call strip method on first_name, and last_name to field before update or create.
action_field strip: [:first_name, :last_name], on: [:create]
The above code will call strip method on first_name, and last_name to field before create.
The code is on MIT license, feel free to use it or fork it. Or even send me a PR.