Response _handler()

in lib/server.dart [24:79]

• 50 lines of code
• 6 McCabe index (conditional complexity)

Response _handler(Request request) {
  _stopwatch.start();

  if (request.requestedUri.pathSegments.length == 1) {
    switch (request.requestedUri.pathSegments.single) {
      case 'robots.txt':
        _robotTxt++;
        return Response.ok(
          r'''
User-agent: *
Allow: /
''',
        );
      case '\$info':
        _infoRequests++;

        final data = {
          'since boot': _stopwatch.elapsed.toString(),
          'redirects': _redirects,
          'notFounds': _notFound,
          'info': _infoRequests,
          'robot.txt': _robotTxt,
          'Dart version': Platform.version,
          'request headers': SplayTreeMap.of(request.headers),
        };

        return Response.ok(
          const JsonEncoder.withIndent(' ').convert(data),
          headers: {'Content-Type': 'application/json'},
        );
      case 'favicon.ico':
        return Response.ok(
          File('static/favicon.ico').readAsBytesSync(),
          headers: {'Content-Type': 'image/x-icon'},
        );
    }
  }

  final location = findRedirect(request.requestedUri);
  if (location != null) {
    _redirects++;
    return Response.movedPermanently(location);
  } else {
    _notFound++;
    return Response.notFound(
      """
I don't support redirecting path '${request.requestedUri.path}'

Check out my source at https://github.com/dart-lang/dartbug.com

Supported routes:
${routes.map((r) => '  $r').join('\n')}
""",
    );
  }
}