OmniAuth Identity - Sessions Controller

sessions_controller.rb

class SessionsController < ApplicationController

  # to avoid a redirect loop, need to skip (exclude) it validating the autentication in this controller
  skip_before_action :require_authentication

  def create

    user = User.from_omniauth(auth, params)

    if logged_out?

        # Run function to set cookies to remember the user logged in
        remember_me(user)

        # Actually log in the user
        login(user)
        redirect_to root_path

    else # Already logged in
      redirect_to root_path
      return
    end

 end

  def new

    # if the user is NOT logged in,
    # see if the cookies are set that should allow them to be logged in
    if logged_out?
      check_if_remembered
    end

    if logged_in?
      redirect_to root_path
      return
    end
    
  end


  def failure
    redirect_to login_path , alert: 'Invalid Login'
  end


  def destroy
    session[:user_id] = nil
    forget_me
    redirect_to login_path , notice: 'Logged out!'
  end

  private

  def auth
    request.env['omniauth.auth']
  end

end