CaptivePortal/Aplikasi-Mikrotik/app/Http/Controllers/Auth/LoginController.php

<?php

namespace App\Http\Controllers\Auth;

use App\Models\UserAccount;
use App\Http\Controllers\Controller;
use Illuminate\Support\Facades\Auth;
use App\Providers\RouteServiceProvider;
use Exception;
use Laravel\Socialite\Facades\Socialite;
use Illuminate\Foundation\Auth\AuthenticatesUsers;

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 = RouteServiceProvider::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();
    }

   /**
     * @param $provider
     * @return \Illuminate\Http\RedirectResponse
     */
    public function handleProvideCallback($provider)
    {
        try {

            $user = Socialite::driver($provider)->user();

        }catch (Exception $e) {
            return redirect()->back();
        }

        $authUser = $this->findOrCreateUser($user, $provider);

        Auth()->login($authUser, true);

        return redirect()->route('home');

    }

    /**
     * @param $socialUser
     * @param $provider
     * @return mixed
     */
    public function findOrCreateUser($socialUser, $provider)
    {
        $socialAccount = UserAccount::where('provider_id', $socialUser->getId())
            ->where('provider_name', $provider)
            ->first();

        if ($socialAccount) {

            return $socialAccount->user;

        } else {

            $user = UserAccount::where('email', $socialUser->getEmail())->first();

            if (! $user) {
                $user = UserAccount::create([
                    'name'  => $socialUser->getName(),
                    'email' => $socialUser->getEmail(),
                    'provider_id'   => $socialUser->getId(),
                    'provider_name' => $provider
                ]);
            }
            return $user;

        }
    }
}