getResourcesInContainer function

Future<({List<String> files, List<String> subDirs})> getResourcesInContainer(String containerUrl)

Get the list of sub-containers and files in a container Adapted from getContainerList() in gurriny/indi/lib/models/common/rest_api.dart

Implementation

Future<({List<String> subDirs, List<String> files})> getResourcesInContainer(
  String containerUrl,
) async {
  // The trailing "/" is essential for a directory
  final url = containerUrl.endsWith('/') ? containerUrl : '$containerUrl/';

  final (:accessToken, :dPopToken) = await getTokensForResource(url, 'GET');

  final profResponse = await http.get(
    Uri.parse(url),
    headers: <String, String>{
      'Accept': '*/*',
      'Authorization': 'DPoP $accessToken',
      'Connection': 'keep-alive',
      'DPoP': dPopToken,
    },
  );

  if (profResponse.statusCode == 200) {
    //debugPrint(profResponse.body.runtimeType as String); // String
    // NB: rdflib-0.2.8 (dart) is not able to parse this but
    //     rdflib-7.0.0 (python) can parse it
    //
    // final g = Graph();
    // g.parseTurtle(profResponse.body);

    final (:subDirs, :files) = _parseGetContainerResponse(profResponse.body);

    // debugPrint('SubDirs: |${subDirs.join(", ")}|');
    // debugPrint('Files  : |${files.join(", ")}|');

    return (subDirs: subDirs, files: files);
  } else if (profResponse.statusCode == 403) {
    // If the server returned a 403 response,
    // then throw a forbidden exception.
    throw AccessForbiddenException('Access to resource denied!');
  } else {
    // If the server did not return a 200 or 403 response,
    // then trow a fail exception.
    throw AccessFailedException('Access to resource failed!');
  }
}