class ShixunInfo < ApplicationRecord
  belongs_to :shixun
  validates_uniqueness_of :shixun_id
  validates_presence_of :shixun_id

  after_commit :create_diff_record

  private

  def create_diff_record
    return unless description_previously_changed?
    CreateDiffRecordJob.perform_later(User.current.id, id, 'ShixunInfo', 'description', description_before_last_save, description)
  end
end