class SetEmailForNotes < ActiveRecord::DataMigration
  def up
    say "Setting #email for Notes..." 

    Note.find_each do |note|
      if note.user.present? && note.user.email.present?
        note.update_column(:email, note.user.email)
      end
    end

    say "Done."
  end
  
  def down
    say "Unsetting #email for Notes..." 

    Note.update_all(email: nil)

    say "Done."
  end
end