Class method include module

prostore_file.rb

class ProstoreFile < ActiveRecord::Base
  ... 
  include ProstoreFile::UrlHelpers
  ...
end

url_helpers.rb

class ProstoreFile
  module UrlHelpers
    def self.included(base)
      base.extend ClassMethods
      base.class_eval do
        scope :disabled, -> { where(disabled: true) }
      end
    end

    module ClassMethods
      # https://gist.github.com/Manfred/be551053857be12763a58afbb30c0d49
      def url(profile: 'default', purpose: 'general', key:, uuid:)
        return procore_url("utilities", "prostore_local", key) if profile == "local" # NOTE: this is to support future work

        bucket = S3Store.new(profile)[purpose].bucket

        if binder_enabled?
          binder_client.signed_url(
            uuid: uuid,
            key: key,
            bucket: bucket.name,
          )
        else
          bucket.objects[key].url_for(:read, force_path_style: true, expires: 20.years.from_now).to_s
        end
      end

      def binder_enabled?
        ENV.fetch("BINDER_ENABLED", "true") == "true"
      end

      private

      def binder_client
        Binder::Client.new(
          secret: Rails.application.secrets.binder_secret,
          base_url: Rails.application.config.binder_host,
        )
      end
    end
  end
end