Laravel Socialite Github Login Demo

GithubAuthController.php

<?php
/**
 * Created by PhpStorm.
 * User: Seth Phat
 * Date: 5/4/2019
 * Time: 3:41 PM
 */

namespace App\Http\Controllers\Social;


use App\Http\Controllers\Controller;
use App\User;
use Illuminate\Support\Facades\Auth;
use Socialite;

class GithubAuthController extends Controller
{
    const SERVICE = "github";

    public function redirectLogin()
    {
        return Socialite::driver(static::SERVICE)->redirect();
    }

    public function handleCallback() {
        try {
            // get user information
            /**
             * @var $user \Laravel\Socialite\Two\User
             */
            $user = Socialite::driver(static::SERVICE)->user();

            // check if user registered or not in the system
            $userDB = User::query()->where('email', $user->getEmail())->first();

            // if not registered yet, create a new user record
            if (empty($userDB)) {
                $userDB = new User;
                $userDB->name = $user->getName();
                $userDB->email = $user->getEmail();
                // more info if you have any

                // if db error
                if (!$userDB->save()) {
                    throw new \Exception('Create user failed due to DB Error...');
                }
                // ok, it saved. login now
            }

            // login to the system now
            Auth::loginUsingId($userDB->id);

            // redirect back to homepage with success
            return redirect()
                    ->to('/')
                    ->with('success', 'Login successfully!');
        } catch (\Exception $e) {
            return redirect()
                ->to('/')
                ->with('error', 'Login via Github failed. Please try again.');
        }
    }
}