@Override
public Response handleRequest(FolderRequest request) {
GetFileFolderRequest concreteRequest = (GetFileFolderRequest) request;
try {
FileHistoryId fileHistoryId = FileHistoryId.parseFileId(concreteRequest.getFileHistoryId());
long version = concreteRequest.getVersion();
FileVersion fileVersion = localDatabase.getFileVersion(fileHistoryId, version);
FileContent fileContent = localDatabase.getFileContent(fileVersion.getChecksum(), true);
Map<ChunkChecksum, MultiChunkId> multiChunks = localDatabase.getMultiChunkIdsByChecksums(fileContent.getChunks());