Dirty graceful method overriding approach

app__lib__importer__preloadable.rb

# frozen_string_literal: true

module Importer
  module Preloadable
    extend ActiveSupport::Concern

    included do
      delegate :preloader_settings, to: :class
      delegate :preloaded_records_manager, to: :import_service

      def self.method_added(method_name)
        return if method_name != :initialize
        return if 'preloadable'.in?(Array(instance_method(:initialize).source_location).first)

        class_exec do
          alias_method :original_initialize, :initialize

          def initialize(...)
            original_initialize(...)
            preload_referenced_records!
          end
        end
      end
    end

    private

    def preloader = @preloader ||= preloaded_records_manager.preloader_by(self)

    def preload_referenced_records!
      preloaded_records_manager.register_preloader(self)&.preload
    end

    class_methods do
      attr_reader :preloader_settings

      private

      def preload_existing_records_by(settings) = @preloader_settings = settings
    end
  end
end