Builder.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\MetaData\Services\Paths;
 
use ILIAS\MetaData\Paths\PathInterface;
use ILIAS\MetaData\Paths\Filters\FilterType;
use ILIAS\MetaData\Paths\BuilderInterface as InternalBuilderInterface;
 
class Builder implements BuilderInterface
{
    protected InternalBuilderInterface $internal_builder;
 
    public function __construct(InternalBuilderInterface $internal_builder)
    {
        $internal_builder->withRelative(false)
                         ->withLeadsToExactlyOneElement(false);
        $this->internal_builder = $internal_builder;
    }
 
    public function withNextStep(string $name): BuilderInterface
    {
        $clone = clone $this;
        $clone->internal_builder = $clone->internal_builder->withNextStep($name);
        return $clone;
    }
 
    public function withNextStepToSuperElement(): BuilderInterface
    {
        $clone = clone $this;
        $clone->internal_builder = $clone->internal_builder->withNextStepToSuperElement();
        return $clone;
    }
 
    public function withAdditionalFilterAtCurrentStep(
        FilterType $type,
        string ...$values
    ): BuilderInterface {
        $clone = clone $this;
        try {
            $clone->internal_builder = $clone->internal_builder->withAdditionalFilterAtCurrentStep(
                $type,
                ...$values
            );
        } catch (\ilMDPathException $e) {
            throw new \ilMDServicesException($e->getMessage());
        }
 
        return $clone;
    }
 
    public function get(): PathInterface
    {
        try {
            return $this->internal_builder->get();
        } catch (\ilMDPathException $e) {
            throw new \ilMDServicesException($e->getMessage());
        }
 
    }
}