CategoryBanProvider.php

См. документацию.

<?php
 
namespace Bitrix\Calendar\OpenEvents\Provider;
 
use Bitrix\Calendar\OpenEvents\Internals\OpenEventCategoryBannedTable;
use Bitrix\Main\Engine\CurrentUser;
 
final class CategoryBanProvider
{
    protected static array $cache = [];
 
    protected int $userId;
 
    public function __construct(?int $userId = null)
    {
        $this->userId = $userId ?? (int)CurrentUser::get()->getId();
    }

    public function listIds(): array
    {
        if (empty(self::$cache[$this->userId]))
        {
            self::$cache[$this->userId] = OpenEventCategoryBannedTable::query()
                ->setSelect(['CATEGORY_ID'])
                ->where('USER_ID', $this->userId)
                ->fetchCollection()
                ->getCategoryIdList()
            ;
        }
 
        return self::$cache[$this->userId];
    }

    public function getUsersWhoBannedTheCategory(array $userIds, int $categoryId): array
    {
        if (empty($userIds))
        {
            return [];
        }
 
        $bannedQuery = OpenEventCategoryBannedTable::query()
            ->setSelect(['USER_ID', 'CATEGORY_ID'])
            ->whereIn('USER_ID', $userIds)
            ->where('CATEGORY_ID', $categoryId)
        ;
 
        $bannedQueryResult = $bannedQuery->exec();
 
        $usersWhoBanned = [];
        while($ban = $bannedQueryResult->fetchObject())
        {
            $usersWhoBanned[$ban->getUserId()] = true;
        }
 
        $bans = array_map(static fn(int $userId) => !empty($usersWhoBanned[$userId]), $userIds);
 
        return array_combine($userIds, $bans);
    }
}