app/Http/Controllers/Admin/UserController.php

<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\User;
use Illuminate\Http\Request;

class UserController extends Controller
{
    public function index(Request $request)
    {
        $query = User::query();

        if ($request->filled('role')) {
            $query->where('role', $request->role);
        }
        if ($request->filled('q')) {
            $s = $request->q;
            $query->where(fn($q) => $q->where('name', 'like', "%{$s}%")->orWhere('email', 'like', "%{$s}%"));
        }

        $users = $query->latest()->paginate(20);
        return view('admin.users.index', compact('users'));
    }

    public function update(Request $request, User $user)
    {
        $request->validate(['role' => 'required|in:admin,organizer,customer']);
        $user->update(['role' => $request->role]);
        return back()->with('success', "Role user \"{$user->name}\" berhasil diupdate ke {$request->role}.");
    }

    public function destroy(User $user)
    {
        if ($user->id === auth()->id()) {
            return back()->with('error', 'Tidak bisa menghapus akun sendiri.');
        }
        $user->delete();
        return back()->with('success', 'User berhasil dihapus.');
    }
}