HelperImpl.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\Search\Presentation\Result\Copyright;
 
use ILIAS\MetaData\Services\ServicesInterface as LOMServices;
use ILIAS\MetaData\Paths\PathInterface;
 
class HelperImpl implements Helper
{
    public function __construct(
        protected LOMServices $lom_services
    ) {
    }
 
    public function readPresentableCopyright(int $obj_id, int $sub_id, string $type): string
    {
        if (!$this->supportsLOM($obj_id, $sub_id, $type)) {
            return '';
        }
 
        $copyright_path = $this->lom_services->paths()->copyright();
        $reader = $this->lom_services->read($obj_id, $sub_id, $type, $copyright_path);
        if ($this->lom_services->copyrightHelper()->hasPresetCopyright($reader)) {
            return $this->lom_services->copyrightHelper()->readPresetCopyright($reader)->title();
        } else {
            return $this->lom_services->copyrightHelper()->readCustomCopyright($reader);
        }
    }
 
    protected function supportsLOM(int $obj_id, int $sub_id, string $type): bool
    {
        $title_path = $this->lom_services->paths()->title();
        $reader = $this->lom_services->read($obj_id, $sub_id, $type, $title_path);
        if ($reader->allData($title_path)->current() !== null) {
            return true;
        }
        return false;
    }
}