zammad/db/migrate/20170516000001_trigger_recipient_update.rb

class TriggerRecipientUpdate < ActiveRecord::Migration[4.2]
  def up

    # return if it's a new setup
    return if !Setting.find_by(name: 'system_init_done')

    ['auto reply (on new tickets)', 'auto reply (on follow up of tickets)'].each do |name|
      begin
        trigger = Trigger.find_by(name: name)
        next if trigger.blank?
        next if trigger.perform.blank?
        next if trigger.perform['notification.email'].blank?
        next if trigger.perform['notification.email']['recipient'].blank?
        next if trigger.perform['notification.email']['recipient'] != 'ticket_customer'
        trigger.perform['notification.email']['recipient'] = 'article_last_sender'
        trigger.save!
      rescue => e
        Rails.logger.error "Unable to update Trigger.find(#{trigger.id}) '#{trigger.inspect}': #{e.message}"
      end
    end

  end
end