ActiveSupport::CallbacksでRubyクラスにコールバックを差し込む
ActiveRecordじゃなくてもコールバックは使えるんやで。
class Article include ActiveSupport::Callbacks define_callbacks :before_submit set_callback :before_submit, :before, :validation def validation puts 'Check!!!' end def submit puts 'SubmitStart' run_callbacks :before_submit do puts 'Submitting....' end puts "SubmitEnd" end end Article.new.submit # SubmitStart # Check!!! # Submitting.... # SubmitEnd