laravel-app/app/Http/Controllers/Admin/CommentController.php

<?php

namespace App\Http\Controllers\Admin;

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

use App\Models\Comment;

class CommentController extends Controller
{
    //
    public function index()
    {
        //
        $comments = Comment::where('is_approved', false)->latest()->get();

        return view('admin.comments.index', compact('comments'));
    }

    public function approve(Comment $comment)
    {
        //
        $comment->update([
            'is_approved' => true,
        ]);

        return back()->with('success', 'Комментарий одобрен!');
    }

    public function destroy(Comment $comment)
    {
        //
        $comment->delete();

        return back()->with('success', 'Комментарий удален!');
    }
}