service object example

sso_show.rb

module Sso
  class Show < ApplicationService
    schema do
      required(:sso).filled(:str?)
      required(:sig).filled(:str?)
    end

    def execute!
      current_user.build_sso_url(query_string)
      success!
    rescue StandardError => e
      fail!(errors: { sso: [e.message] })
    end

    private

    def query_string
      "sso=#{sso}&sig=#{sig}"
    end
  end
end