public List<MetadataDto> getDokumanMeta(BirimIdRequest birimIdRequest) {
    List<MetadataDto> documentDtoList = new ArrayList<>();

    List<String> anglageList = new ArrayList<>();
    List<String> binaIdList = new ArrayList<>();

    birimIdRequest.birimIdList().forEach(birimId -> {
        (birimId.contains("BN") ? binaIdList : anglageList).add(birimId);
    });

    Z_I_TESISAT_DOC_LIST docList = docListRepository.fetchDocListTest(anglageList, binaIdList);

    docList.getET_LIST().forEach(doc -> {
        Z_I_TESISAT_DOC_DISPLAY file = new Z_I_TESISAT_DOC_DISPLAY();
        file.setIV_ARC_DOC_ID(doc.getARC_DOC_ID());
        file.setName(doc.getOBJECTTEXT());
        file.setTip(doc.getAR_OBJECT());

        String birimId = (doc.getANLAGE() != null) ? doc.getANLAGE().substring(3) : doc.getBINAID().substring(3);

        MetadataDto metadataDto = documentDtoList.stream()
            .filter(document -> document.getBirimId().equals(birimId))
            .findFirst()
            .orElseGet(() -> {
                MetadataDto newMetadataDto = new MetadataDto();
                newMetadataDto.setFiles(new ArrayList<>());
                newMetadataDto.setBirimId(birimId);
                documentDtoList.add(newMetadataDto);
                return newMetadataDto;
            });

        metadataDto.getFiles().add(file);
    });

    return documentDtoList;
}