View file app/Controllers/Forum/BookmarkController.php

<?php

declare(strict_types=1);

namespace App\Controllers\Forum;

use App\Classes\Validator;
use App\Controllers\BaseController;
use App\Models\Bookmark;
use App\Models\Topic;
use Exception;
use Illuminate\Http\Request;

class BookmarkController extends BaseController
{
    /**
     * Конструктор
     */
    public function __construct()
    {
        parent::__construct();

        if (! getUser()) {
            abort(403, __('main.not_authorized'));
        }
    }

    /**
     * Главная страница
     *
     * @return string
     */
    public function index(): string
    {
        $topics = Bookmark::query()
            ->select('bookmarks.count_posts as bookmark_posts', 'bookmarks.topic_id', 'topics.*')
            ->where('bookmarks.user_id', getUser('id'))
            ->leftJoin('topics', 'bookmarks.topic_id', 'topics.id')
            ->with('topic.user', 'topic.lastPost.user')
            ->orderByDesc('updated_at')
            ->paginate(setting('forumtem'));

        return view('forums/bookmarks', compact('topics'));
    }

    /**
     * Добавление / удаление закладок
     *
     * @param Request   $request
     * @param Validator $validator
     * @return string
     * @throws Exception
     */
    public function perform(Request $request, Validator $validator): string
    {
        if (! $request->ajax()) {
            redirect('/');
        }

        $token = check($request->input('token'));
        $tid   = int($request->input('tid'));

        $validator->equal($token, $_SESSION['token'], __('validator.token'));

        /** @var Topic $topic */
        $topic = Topic::query()->find($tid);
        $validator->true($topic, __('forums.topic_not_exist'));

        if ($validator->isValid()) {
            $bookmark = Bookmark::query()
                ->where('topic_id', $tid)
                ->where('user_id', getUser('id'))
                ->first();

            if ($bookmark) {
                $bookmark->delete();
                return json_encode(['status' => 'deleted', 'message' => __('forums.bookmark_success_deleted')]);
            }

            Bookmark::query()->create([
                'user_id'     => getUser('id'),
                'topic_id'    => $tid,
                'count_posts' => $topic->count_posts,
            ]);
            return json_encode(['status' => 'added', 'message' => __('forums.bookmark_success_added')]);
        }

        return json_encode(['status' => 'error', 'message' => current($validator->getErrors())]);
    }

    /**
     * Удаление закладок
     *
     * @param Request   $request
     * @param Validator $validator
     * @return void
     */
    public function delete(Request $request, Validator $validator): void
    {
        $token    = check($request->input('token'));
        $topicIds = intar($request->input('del'));
        $page     = int($request->input('page'));

        $validator->equal($token, $_SESSION['token'], __('validator.token'))
            ->notEmpty($topicIds, __('forums.bookmarks_missing'));

        if ($validator->isValid()) {
            Bookmark::query()
                ->whereIn('topic_id', $topicIds)
                ->where('user_id', getUser('id'))
                ->delete();

            setFlash('success', __('forums.bookmarks_selected_deleted'));
        } else {
            setFlash('danger', $validator->getErrors());
        }

        redirect('/forums/bookmarks?page=' . $page);
    }
}