Synonyms for custom indexers not working

[valentin-]

Hi, I've set up synonyms in the project which works fine for documents.

There are also custom indexers for records like jobs, products extending ApacheSolrForTypo3\Solr\IndexQueue\Indexer, but there are no synonym results for those items.

Do I have to change something in the custom indexers to make it work?

Here's an example showing the current job indexer.

protected function indexItem(Item $item, int $language = 0): bool
    {
        $itemIndexed = false;

        $documents = [];

        $itemRecord = $this->getFullItemRecord($item, $language);
        $itemDocument = $this->getBaseDocument($item, $itemRecord);

        if (null === $itemDocument) {
            return true;
        }

        $recordId = $item->getRecordUid();
        $jobRepository = SymfonyBootstrap::getKernel()?->getContainer()->get(JobRepository::class);

        if(!$jobRepository) {
            return true;
        }

        /** @var Job $job */
        $job = $jobRepository->findByUid($recordId);

        if(!$job) {
            return true;
        }

        $itemDocument->setField('pageType_stringS', 'job');
        $itemDocument->setField('pageSorting_intS', 0);
        $itemDocument->setField('title', $job->getJobTitle());

        $content = $job->getDescription() . $job->getTasks() . $job->getProfile() . $job->getLocation();
        $content = HtmlContentExtractor::cleanContent($content);
        $content = IndexerHelper::cleanFromMarkers($content);

        $itemDocument->setField('content', $content);

        $documents[] = $itemDocument;
        $documents = array_merge($documents, $this->getAdditionalDocuments($item, $language, $itemDocument));
        $documents = $this->processDocuments($item, $documents);
        $documents = $this->preAddModifyDocuments($item, $language, $documents);

        $response = $this->solr->getWriteService()->addDocuments($documents);
        if (200 === (int) $response->getHttpStatus()) {
            $itemIndexed = true;
        }

        $this->log($item, $documents, $response);

        return $itemIndexed;
    }

Thanks,
Valentin