metamaps--metamaps/app/serializers/api/v1/topic_serializer.rb

module Api
  module V1
    class TopicSerializer < ApplicationSerializer
      attributes :id,
        :name,
        :desc,
        :link,
        :permission,
        :created_at,
        :updated_at

      def self.embeddable
        {
          user: {},
          metacode: {}
        }
      end

      self.class_eval do
        embed_dat
      end
    end
  end
end