shopify_api/lib/active_resource/connection_ext.rb

module ActiveResource
  class Connection
    attr_reader :response

    module ResponseCapture
      def handle_response(response)
        @response = super
      end
    end

    module RequestNotification
      def request(method, path, *arguments)
        super.tap do |response|
          notify_about_request(response, arguments)
        end
      rescue => e
        notify_about_request(e.response, arguments) if e.respond_to?(:response)
        raise
      end

      def notify_about_request(response, arguments)
        ActiveSupport::Notifications.instrument("request.active_resource_detailed") do |payload|
          payload[:response] = response
          payload[:data]     = arguments
        end
      end
    end

    prepend ResponseCapture
    prepend RequestNotification
  end
end