module Gummi
  module Repository
    extend ActiveSupport::Concern

   included do
     include Repobahn::Repository
     after_conversion :set_id_and_version
   end


    module ClassMethods

      def get(id)
        record = db_model.get id
        to_entity_from_db record if record
      end

      def overwrite(entity)
        return false unless entity.valid?
        db_record = db_model.new(entity.attributes)
        db_record.overwrite
      end

      def set_id_and_version(entity, db)
        entity.id = db.id
        entity.version = db.version
      end
    end
  end
end