trait.ilDclFileFieldHelper.php

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<?php
 
declare(strict_types=1);
 
use ILIAS\ResourceStorage\Revision\Revision;
use ILIAS\ResourceStorage\Identification\ResourceIdentification;
 
trait ilDclFileFieldHelper
{
    private function valueToRID(?string $value): ?ResourceIdentification
    {
        if ($value !== null && ($rid = $this->irss->manage()->find($value)) !== null) {
            return $rid;
        }
        return null;
    }
 
    private function valueToFileTitle(?string $value): string
    {
        return $this->valueToCurrentRevision($value)?->getTitle() ?? '';
    }
 
    private function valueToCurrentRevision(?string $value): ?Revision
    {
        $rid = $this->valueToRID($value);
        if ($rid !== null) {
            return $this->irss->manage()->getCurrentRevision($rid);
        }
 
        return null;
    }
}