zammad/db/migrate/20171123000001_email_process_customer_selection_based_on_sender_recipient.rb

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

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

    Setting.create_if_not_exists(
      title: 'Customer selection based on sender and receiver list',
      name: 'postmaster_sender_is_agent_search_for_customer',
      area: 'Email::Base',
      description: 'If the sender is an agent, set the first user in the recipient list as a customer.',
      options: {
        form: [
          {
            display: '',
            null: true,
            name: 'postmaster_sender_is_agent_search_for_customer',
            tag: 'boolean',
            options: {
              true  => 'yes',
              false => 'no',
            },
          },
        ],
      },
      state: true,
      preferences: {
        permission: ['admin.channel_email'],
      },
      frontend: false
    )
  end

end