commentsToTurtle static method

Implementation

static String commentsToTurtle(Map<String, String> comments) {
  final triples = <URIRef, Map<URIRef, dynamic>>{};

  // Create the comments list resource.

  final commentsResource = localNS.withAttr('comments');
  triples[commentsResource] = {
    rdfType: movieListType,
    nameProperty: Literal('User Comments'),
  };

  // Add individual comment definitions.

  for (final entry in comments.entries) {
    final commentResource = localNS.withAttr('comment${entry.key}');
    triples[commentResource] = {
      rdfType: commentType,
      movieId: Literal(entry.key, datatype: XSD.int),
      text: Literal(_escapeString(entry.value)),
    };
  }

  // Define namespace bindings - only bind our custom namespaces.

  final bindNamespaces = {'': localNS};

  return tripleMapToTurtle(triples, bindNamespaces: bindNamespaces);
}