class.ilTestQuestionPoolExporter.php

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<?php

class ilTestQuestionPoolExporter extends ilXmlExporter
{
    private $ds;

    public function init(): void
    {
    }

    public static function lookupExportDirectory(string $a_obj_type, int $a_obj_id, string $a_export_type = 'xml', string $a_entity = ""): string
    {
        if ($a_export_type == 'xml') {
            return ilFileUtils::getDataDir() . "/qpl_data" . "/qpl_" . $a_obj_id . "/export_zip";
        }
        return ilFileUtils::getDataDir() . "/qpl_data" . "/qpl_" . $a_obj_id . "/export_" . $a_export_type;
    }


    public function getXmlRepresentation(string $a_entity, string $a_schema_version, string $a_id): string
    {
        $qpl = new ilObjQuestionPool($a_id, false);
        $qpl->loadFromDb();

        $qpl_exp = new ilQuestionpoolExport($qpl, 'xml');
        $qpl_exp->buildExportFile();

        global $DIC; /* @var ILIAS\DI\Container $DIC */
        $DIC['ilLog']->write(__METHOD__ . ': Created zip file');
        return ''; // sagt mjansen
    }

    public function getXmlExportTailDependencies(string $a_entity, string $a_target_release, array $a_ids): array
    {
        if ($a_entity == 'qpl') {
            $deps = [];

            $taxIds = $this->getDependingTaxonomyIds($a_ids);

            if (count($taxIds)) {
                $deps[] = [
                    'component' => 'components/ILIAS/Taxonomy',
                    'entity' => 'tax',
                    'ids' => $taxIds
                ];
            }

            $md_ids = [];
            foreach ($a_ids as $id) {
                $md_ids[] = $id . ':0:qpl';
            }
            if ($md_ids !== []) {
                $deps[] = [
                    'component' => 'components/ILIAS/MetaData',
                    'entity' => 'md',
                    'ids' => $md_ids
                ];
            }

            return $deps;
        }

        return parent::getXmlExportTailDependencies($a_entity, $a_target_release, $a_ids);
    }

    private function getDependingTaxonomyIds($poolObjIds): array
    {
        $taxIds = [];

        foreach ($poolObjIds as $poolObjId) {
            foreach (ilObjTaxonomy::getUsageOfObject($poolObjId) as $taxId) {
                $taxIds[$taxId] = $taxId;
            }
        }

        return $taxIds;
    }

    public function getValidSchemaVersions(string $a_entity): array
    {
        return [
            "4.1.0" => [
                "namespace" => "http://www.ilias.de/Modules/TestQuestionPool/htlm/4_1",
                "xsd_file" => "ilias_qpl_4_1.xsd",
                "uses_dataset" => false,
                "min" => "4.1.0",
                "max" => ""]
        ];
    }
}