foo.rb

class SchoolsController < ApplicationController
  respond_to :html

  def add_user
    run School::AddUser
    redirect_to school_path current_school
  end

  def index
    present School::Index
  end

  def show
    present School::Show
  end

  def new
    form School::Create
  end

  def edit
    form School::Update
  end

  def create
    respond School::Create
  end

  def update
    respond School::Update
  end

  def destroy
    respond School::Destroy
  end
end