Session management rails

management.rb

class ApplicationController < ActionController::Base
	before_action :validate_session
	
	def validate_session
		if session[:user].nil?
			redirect_to new_session_path if controller_name != 'sessions'
		else
			redirect_to home_index_path if controller_name == 'sessions' && action_name != 'destroy'
		end
	end
end

class SessionsController < ApplicationController

  def new
  end

  def create
    session[:user] = { usuario: params[:usuario] }
    redirect_to home_index_path
  end

  def destroy
    session.delete(:user)
    redirect_to new_session_path
  end

end