animexe/app/Http/Controllers/Admin/AuthController.php

<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;

class AuthController extends Controller
{
    public function showLogin()
    {
        if (Auth::check() && Auth::user()->isAdmin()) {
            return redirect()->route('admin.dashboard');
        }
        return view('admin.auth.login');
    }

    public function login(Request $request)
    {
        $request->validate([
            'email'    => 'required|email',
            'password' => 'required',
        ]);

        if (Auth::attempt($request->only('email', 'password'), $request->boolean('remember'))) {
            if (!Auth::user()->isAdmin() && !Auth::user()->isModerator()) {
                Auth::logout();
                return back()->withErrors(['email' => 'Bu hesabın yönetici yetkisi yok.']);
            }
            return redirect()->route('admin.dashboard');
        }

        return back()->withErrors(['email' => 'E-posta veya şifre hatalı.']);
    }

    public function logout(Request $request)
    {
        Auth::logout();
        $request->session()->invalidate();
        return redirect()->route('admin.login');
    }
}