controller example

sso_controller.rb

module Api
  module V1
    class SsoController < ApiController
      before_action :authenticate

      def show
        service = ::Sso::Show.new(params_h.merge(current_user: current_user))
        service.execute!
        if service.success?
          render json: ::V1::SsoSerializer.new(current_user)
        else
          render_errors(service.errors)
        end
      end
    end
  end
end