class.ilHTLMExportOptionHTML.php

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<?php

declare(strict_types=1);

use ILIAS\Data\ObjectId;
use ILIAS\Export\ExportHandler\Consumer\ExportOption\BasicLegacyHandler as ilLegacyExportOption;
use ILIAS\Export\ExportHandler\I\Consumer\Context\HandlerInterface as ilExportHandlerConsumerContextInterface;
use ILIAS\ResourceStorage\Services as IRSS;
use ILIAS\DI\Container;
use ILIAS\Filesystem\Filesystem;
use ILIAS\Filesystem\Util\LegacyPathHelper;

class ilHTLMExportOptionHTML extends ilLegacyExportOption
{
    protected ilCtrl $ctrl;
    protected ilLanguage $lng;
    protected IRSS $irss;
    protected Filesystem $storage;

    public function init(Container $DIC): void
    {
        $this->ctrl = $DIC->ctrl();
        $this->lng = $DIC->language();
        $this->irss = $DIC->resourceStorage();
        $this->storage = $DIC->filesystem()->storage();
        parent::init($DIC);
    }

    public function getExportType(): string
    {
        return "html";
    }

    public function getExportOptionId(): string
    {
        return "htlm_exp_option_html";
    }

    public function getSupportedRepositoryObjectTypes(): array
    {
        return ["htlm"];
    }

    public function getLabel(): string
    {
        $this->lng->loadLanguageModule('exp');
        return $this->lng->txt("exp_format_dropdown-html");
    }

    public function onExportOptionSelected(
        ilExportHandlerConsumerContextInterface $context
    ): void {
        $object = $context->exportObject();

        ilExport::_createExportDirectory(
            $object->getId(),
            "html",
            $object->getType()
        );
        $export_dir = ilExport::_getExportDirectory(
            $object->getId(),
            "html",
            $object->getType()
        );

        // write files as zip to legacy storage
        $date = time();
        $zip_file = LegacyPathHelper::createRelativePath(
            $export_dir . "/" . $date . "__" . IL_INST_ID . "__" .
            $object->getType() . "_" . $object->getId() . ".zip"
        );

        $stream = $this->irss->consume()->stream($object->getResource()->getIdentification())->getStream();
        $this->storage->writeStream($zip_file, $stream);

        $this->ctrl->redirect($context->exportGUIObject(), $context->exportGUIObject()::CMD_LIST_EXPORT_FILES);
    }
}