class.InternalDomainService.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\LearningModule;
 
use ILIAS\DI\Container;
use ILIAS\Repository\GlobalDICDomainServices;
use ILIAS\ILIASObject\Properties\Translations\CachedRepository;
use ILIAS\ILIASObject\Properties\Translations\Translations;
 
class InternalDomainService
{
    use GlobalDICDomainServices;
 
    protected static array $instance = [];
 
    public function __construct(
        Container $DIC,
        protected InternalRepoService $repo,
        protected InternalDataService $data
    ) {
        $this->initDomainServices($DIC);
    }
 
    public function lmTree(int $lm_id): \ilLMTree
    {
        return self::$instance["tree"][$lm_id] ??= new \ilLMTree($lm_id);
    }
 
    public function subObjectRetrieval(
        int $lm_id,
        string $type,
        int $current_node,
        string $lang
    ): Editing\SubObjectRetrieval {
        return self::$instance["sub_obj_retrieval"][$lm_id][$type][$current_node] ??=
            new Editing\SubObjectRetrieval(
                $this->lmTree($lm_id),
                $type,
                $current_node,
                $lang
            );
    }
 
    public function translation(int $lm_id): Translations
    {
        return (new CachedRepository($this->database()))->getFor($lm_id);
    }
 
}