toMultipartFileChunked method
Convert to multipart with chunked upload
Implementation
MultipartFile toMultipartFileChunked(
int start,
int end,
) {
assert(
!fromExternalUrl,
'toMultipartFileChunked() not available when uploading from external urls',
);
Stream<List<int>> chunkStream;
if (byteData != null) {
chunkStream = Stream.fromIterable(
[byteData!.buffer.asUint8List(start, end - start)],
);
} else if (bytesData != null) {
chunkStream = Stream.fromIterable(
[bytesData!.sublist(start, end)],
);
} else {
chunkStream = File(filePath!).openRead(start, end);
}
return MultipartFile.fromStream(
() => chunkStream,
end - start,
filename: identifier,
);
}