View file app/Http/Controllers/Forum/BookmarkController.php

<?php

declare(strict_types=1);

namespace App\Http\Controllers\Forum;

use App\Classes\Validator;
use App\Http\Controllers\Controller;
use App\Models\Bookmark;
use App\Models\Topic;
use Exception;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class BookmarkController extends Controller
{
    /**
     * Конструктор
     */
    public function __construct()
    {
        $this->middleware('check.user');
    }

    /**
     * Главная страница
     *
     * @return View
     */
    public function index(): View
    {
        $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 TODO json |RedirectResponse
     * @throws Exception
     */
    public function perform(Request $request, Validator $validator)
    {
        if (! $request->ajax()) {
            return redirect('/');
        }

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

        $validator->equal($request->input('_token'), csrf_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 RedirectResponse
     */
    public function delete(Request $request, Validator $validator): RedirectResponse
    {
        $topicIds = intar($request->input('del'));

        $validator->equal($request->input('_token'), csrf_token(), __('validator.token'))
            ->notEmpty($topicIds, __('forums.bookmarks_missing'));

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

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

        return redirect('forums/bookmarks?page=' . int($request->input('page')));
    }
}