ActiveRecord::Callbacks

Active Record Callbacks Callbacks are hooks into the life cycle of an Active Record object that allow you to trigger logic before or after a change in the object state. This can be used to make sure that associated and dependent objects are deleted when ActiveRecord::Base#destroy is called (by overwriting before_destroy) or to massage attributes before they’re validated (by overwriting before_vali

[side_tana]

読んでる

[animist]

before_save

[takenory]

これで保存前に暗号化できそう！

[udzura]

[for:fujisan]

[mogwaing]

callbacks, before_save, after_save