app/controllers/sessions_controller.rb
class SessionsController < ApplicationController
def create
user = User.from_omniauth(env["omniauth.auth"])
session[:user_id] = user.id
redirect_to root_url, notice: "Signed in!"
end
def destroy
session[:user_id] = nil
redirect_to root_url, notice: "Signed out!"
end
def index
end
end