Future _handleFile()

in lib/src/static_handler.dart [179:203]

• 22 lines of code
• 5 McCabe index (conditional complexity)

Future<Response> _handleFile(Request request, File file,
    FutureOr<String?> Function() getContentType) async {
  final stat = file.statSync();
  final ifModifiedSince = request.ifModifiedSince;

  if (ifModifiedSince != null) {
    final fileChangeAtSecResolution = toSecondResolution(stat.modified);
    if (!fileChangeAtSecResolution.isAfter(ifModifiedSince)) {
      return Response.notModified();
    }
  }

  final contentType = await getContentType();
  final headers = {
    HttpHeaders.lastModifiedHeader: formatHttpDate(stat.modified),
    HttpHeaders.acceptRangesHeader: 'bytes',
    if (contentType != null) HttpHeaders.contentTypeHeader: contentType,
  };

  return _fileRangeResponse(request, file, headers) ??
      Response.ok(
        request.method == 'HEAD' ? null : file.openRead(),
        headers: headers..[HttpHeaders.contentLengthHeader] = '${stat.size}',
      );
}