route_update_profite.rb

    on("profile") do
      render("/profile", title: "Profile", current_user: current_user)
      on post, param("user") do |params|

        update_profile = UpdateProfile.new(params)
        update_profile.current_email = current_user.email

        on update_profile.valid? do
          user       = current_user
          user.name  = update_profile.name
          user.email = update_profile.email
          user.save
          res.redirect("/profile")
        end
      end

      on get do
        render("profile/show", title: "Profile", current_user: current_user)
      end
    end
  end
end