zammad/db/migrate/20180220000001_setting_attachment_preview.rb

class SettingAttachmentPreview < ActiveRecord::Migration[5.1]
  def up

    # return if it's a new setup
    return if !Setting.find_by(name: 'system_init_done')
    Setting.create_if_not_exists(
      title: 'Sidebar Attachments',
      name: 'ui_ticket_zoom_attachments_preview',
      area: 'UI::TicketZoom::Preview',
      description: 'Enables preview of attachments.',
      options: {
        form: [
          {
            display: '',
            null: true,
            name: 'ui_ticket_zoom_attachments_preview',
            tag: 'boolean',
            translate: true,
            options: {
              true  => 'yes',
              false => 'no',
            },
          },
        ],
      },
      state: false,
      preferences: {
        prio: 400,
        permission: ['admin.ui'],
      },
      frontend: true
    )
    Setting.create_if_not_exists(
      title: 'Sidebar Attachments',
      name: 'ui_ticket_zoom_sidebar_article_attachments',
      area: 'UI::TicketZoom::Preview',
      description: 'Enables a sidebar to show an overview of all attachments.',
      options: {
        form: [
          {
            display: '',
            null: true,
            name: 'ui_ticket_zoom_sidebar_article_attachments',
            tag: 'boolean',
            translate: true,
            options: {
              true  => 'yes',
              false => 'no',
            },
          },
        ],
      },
      state: false,
      preferences: {
        prio: 500,
        permission: ['admin.ui'],
      },
      frontend: true
    )
  end
end