Services.php

Go to the documentation of this file.

<?php
 
declare(strict_types=1);
 
namespace ILIAS\MetaData\XML\Services;
 
use ILIAS\DI\Container as GlobalContainer;
use ILIAS\MetaData\XML\Writer\Standard\Standard as StandardWriter;
use ILIAS\MetaData\XML\Writer\WriterInterface;
use ILIAS\MetaData\XML\Dictionary\LOMDictionaryInitiator;
use ILIAS\MetaData\XML\Dictionary\TagFactory;
use ILIAS\MetaData\Paths\Services\Services as PathServices;
use ILIAS\MetaData\Structure\Services\Services as StructureServices;
use ILIAS\MetaData\XML\Copyright\CopyrightHandler;
use ILIAS\MetaData\XML\Reader\Standard\Standard as StandardReader;
use ILIAS\MetaData\XML\Reader\ReaderInterface;
use ILIAS\MetaData\Elements\Markers\MarkerFactory;
use ILIAS\MetaData\Manipulator\Services\Services as ManipulatorServices;
use ILIAS\MetaData\XML\Reader\Standard\StructurallyCoupled;
use ILIAS\MetaData\XML\Reader\Standard\Legacy;
use ILIAS\MetaData\Copyright\Services\Services as CopyrightServices;
use ILIAS\MetaData\XML\Writer\SimpleDC\SimpleDCInterface;
use ILIAS\MetaData\XML\Writer\SimpleDC\SimpleDC;
use ILIAS\MetaData\XML\Copyright\Links\LinkGenerator;
use ILIAS\Export\ExportHandler\Factory as ExportService;
use ILIAS\Data\Factory as DataFactory;
 
class Services
{
    protected GlobalContainer $dic;
    protected WriterInterface $standard_writer;
    protected ReaderInterface $standard_reader;
    protected SimpleDCInterface $simple_dc_writer;
 
    protected PathServices $path_services;
    protected StructureServices $structure_services;
    protected ManipulatorServices $manipulator_services;
    protected CopyrightServices $copyright_services;
 
    public function __construct(
        GlobalContainer $dic,
        PathServices $path_services,
        StructureServices $structure_services,
        ManipulatorServices $manipulator_services,
        CopyrightServices $copyright_services
    ) {
        $this->dic = $dic;
        $this->path_services = $path_services;
        $this->structure_services = $structure_services;
        $this->manipulator_services = $manipulator_services;
        $this->copyright_services = $copyright_services;
    }
 
    public function standardWriter(): WriterInterface
    {
        if (isset($this->standard_writer)) {
            return $this->standard_writer;
        }
        $dictionary = (new LOMDictionaryInitiator(
            new TagFactory(),
            $this->path_services->pathFactory(),
            $this->path_services->navigatorFactory(),
            $this->structure_services->structure()
        ))->get();
        return $this->standard_writer = new StandardWriter(
            $dictionary,
            new CopyrightHandler(
                $this->copyright_services->repository(),
                $this->copyright_services->identifiersHandler(),
                \ilMDSettings::_getInstance()
            ),
            $this->path_services->pathFactory(),
            $this->manipulator_services->manipulator()
        );
    }
 
    public function standardReader(): ReaderInterface
    {
        if (isset($this->standard_reader)) {
            return $this->standard_reader;
        }
        $dictionary = (new LOMDictionaryInitiator(
            new TagFactory(),
            $this->path_services->pathFactory(),
            $this->path_services->navigatorFactory(),
            $this->structure_services->structure()
        ))->get();
        $marker_factory = new MarkerFactory();
        $copyright_handler = new CopyrightHandler(
            $this->copyright_services->repository(),
            $this->copyright_services->identifiersHandler(),
            \ilMDSettings::_getInstance()
        );
        return $this->standard_reader = new StandardReader(
            new StructurallyCoupled(
                $marker_factory,
                $this->manipulator_services->scaffoldProvider(),
                $dictionary,
                $copyright_handler
            ),
            new Legacy(
                $marker_factory,
                $this->manipulator_services->scaffoldProvider(),
                $copyright_handler
            )
        );
    }
 
    public function simpleDCWriter(): SimpleDCInterface
    {
        if (isset($this->simple_dc_writer)) {
            return $this->simple_dc_writer;
        }
 
        /*
         * This should be replaced by a proper export API
         * when it is available.
         */
        $export_service = new ExportService();
        $data_factory = new DataFactory();
 
        return $this->simple_dc_writer = new SimpleDC(
            $this->path_services->pathFactory(),
            $this->path_services->navigatorFactory(),
            $data_factory,
            new CopyrightHandler(
                $this->copyright_services->repository(),
                $this->copyright_services->identifiersHandler(),
                \ilMDSettings::_getInstance()
            ),
            new LinkGenerator(
                $this->dic['static_url'],
                $export_service,
                $data_factory
            )
        );
    }
}