postFile method
Implementation
Future<Response> postFile(
String url,
File file, {
HttpOptions? options,
}) async {
var request = MultipartRequest(
'POST',
Uri.parse(url),
onUploadProgress: options?.onUploadProgress,
);
var part = await http.MultipartFile.fromPath('file', file.path);
Map<String, String> headers = await getHeaders(options, isFile: true);
for (var key in headers.keys) {
request.headers[key] = headers[key]!;
}
request.files.add(part);
http.StreamedResponse response = await request.send();
var jsonString = await response.stream.bytesToString();
Map<String, dynamic> json = jsonDecode(jsonString);
return Response.fromJson(json);
}