Readable.php

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<?php

declare(strict_types=1);

namespace ILIAS\Modules\Test;

use Closure;
use ilAccessHandler;
use ilObject;

class Readable
{
    private readonly Closure $references_of;
    private readonly Incident $incident;

    public function __construct(
        private readonly ilAccessHandler $access,
        $references_of = [ilObject::class, '_getAllReferences'],
        Incident $incident = null
    ) {
        $this->references_of = Closure::fromCallable($references_of);
        $this->incident = $incident ?? new Incident();
    }

    public function references(array $references): bool
    {
        return $this->incident->any(fn(int $ref_id): bool => (
            $this->access->checkAccess('read', '', $ref_id)
        ), $references);
    }

    public function objectId(int $obj_id): bool
    {
        return $this->references(($this->references_of)($obj_id));
    }
}