update multiple code

  def update_multiple
    # mark all recipients of postal mail
    @people = Person.find(params[:person_ids])
    @sent_at = Person.find(params[:sent_at])
    @people.each do |person|
      @mailing = Mailing.new
      @mailing.sent_at = @sent_at
      @mailing.recipient_id = person
      unless person.relationship == "03-attorney"
        @mailing.boiler_plate_id = BoilerPlate.find_by_target_audience('other')
      else
        @mailing.boiler_plate_id = BoilerPlate.find_by_target_audience('attorney')
      end
      @mailing.sender_id = current_user
      @mailing.save!
      ## @letter = Letter.create(:body => ' ' )
      ## person.letters << @letter
    end
    flash[:notice] = "Successfully created letters."
    redirect_to people_path
  end