AlchemyCMS/alchemy_cms

# frozen_string_literal: true

module Alchemy
  # If the model has a +elements+ association,
  # it updates all their timestamps after save.
  #
  # Should only be used on bottom to top relations,
  # e.g. +Alchemy::Picture+ or +Alchemy::Attachment+
  # not on top to bottom ones like +Alchemy::Page+.
  #
  module TouchElements
    def self.included(base)
      base.after_update(:touch_elements)
    end

    private

    def touch_elements
      return unless respond_to?(:elements)

      elements.touch_all
    end
  end
end