class ApplicationController < ActionController::Base # Prevent CSRF attacks by raising an exception. # For APIs, you may want to use :null_session instead. protect_from_forgery with: :exception def current_user return unless session[:remember_token] @current_user ||= User.find_by(remember_token: session[:remember_token]) end def login_required return true if current_user redirect_to new_sessions_path end end