Jobhero_back/app/Http/Controllers/Auth/LoginController.php

<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use Illuminate\Foundation\Auth\AuthenticatesUsers;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Auth;
use Socialite;
use Route;
use App\Models\User;

class LoginController extends Controller
{
    /*
    |--------------------------------------------------------------------------
    | Login Controller
    |--------------------------------------------------------------------------
    |
    | This controller handles authenticating users for the application and
    | redirecting them to your home screen. The controller uses a trait
    | to conveniently provide its functionality to your applications.
    |
    */

    use AuthenticatesUsers;

    /**
     * Where to redirect users after login.
     *
     * @var string
     */
    protected $redirectTo = '/home';

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('guest')->except('logout');
    }

    public function redirectToProvider($provider)
    {
      return Socialite::driver($provider)->redirect();
    }

    public function handleProviderCallback($provider)
    {
      $user = Socialite::driver($provider)->user();
      $authUser = $this->findUser($user, $provider);

      Auth::login($authUser, true);
      return redirect($this->redirectTo);
    }
    public function findUser($user, $provider) {
      $authUser = User::where('social_id', $user->id . '_' . $provider)->first();
        if($authUser) {
          return $authUser;
        }
        return User::create([
          'name' => $user->getName(),
          'email' => $user->getEmail(),
          'social_id' => $user->getId() . '_' . $provider,
        ]);
    }

}