ItemState.php

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<?php

declare(strict_types=1);
namespace ILIAS\GlobalScreen\Client;

use ILIAS\GlobalScreen\Identification\IdentificationInterface;
use ILIAS\GlobalScreen\Scope\MainMenu\Collector\Renderer\Hasher;
use ILIAS\HTTP\Wrapper\WrapperFactory;
use ILIAS\Refinery\Factory;

class ItemState
{
    use Hasher;

    public const LEVEL_OF_TOOL = 1;
    public const COOKIE_NS_GS = 'gs_active_items';
    private $identification;
    private $storage;

    protected $wrapper;
    protected $refinery;

    public function __construct(IdentificationInterface $identification)
    {
        $this->identification = $identification;
        $this->storage = $this->getStorage();
        \ilInitialisation::initILIAS();
        global $DIC;
        $this->wrapper = $DIC->http()->wrapper();
        $this->refinery = $DIC->refinery();
    }

    public function isItemActive() : bool
    {
        $hash = $this->hash($this->identification->serialize());
        $b = isset($this->storage[$hash]) && $this->storage[$hash] == true;

        return $b;
    }

    public function getStorage() : array
    {
        static $json_decode;
        if (!isset($json_decode)) {
            $cookie_value = $this->wrapper->cookie()->has(self::COOKIE_NS_GS)
                ? $this->wrapper->cookie()->retrieve(self::COOKIE_NS_GS, $this->refinery->to()->string())
                : '{}';

            $json_decode = json_decode($cookie_value, true, 512);
            $json_decode = is_array($json_decode) ? $json_decode : [];
        }

        return $json_decode;
    }
}