controller default scopes

clients_controller.rb

class ClientsController < CompanyScopedController
  before_filter :set_client, only: [:show, :edit, :update, :destroy]  
 
  def index
    @clients = clients_scoped.paginate(per_page: 20, page: params[:page])
  end

  private

  def set_client
    @client = clients_scoped.find(params[:id])
  end
end

company_scoped_controller.rb

class CompanyScopedController < ApplicationController

  def addresses_scoped
    Address.for_company(current_user)
  end

  def clients_scoped
    Client.for_company(current_user)
  end

  #... and so on for every model that we use at least once in our controllers

end