makeGraphQLRequest method

Future<Map<String, dynamic>> makeGraphQLRequest(String body, [ String? url ])

Implementation

Future<Map<String, dynamic>> makeGraphQLRequest(String body, [String? url]) async {
  final request = http.Request('GET', Uri.parse(url ?? leetcodeApiUrl));
  request.body = body;
  request.headers['Content-Type'] = 'application/json; charset=UTF-8';
  request.headers['Cookie'] = 'LEETCODE_SESSION=$session; csrftoken=$csrfToken';
  request.headers['X-csrf-token'] = csrfToken;
  final response = await request.send();

  if (response.statusCode >= 400 && response.statusCode < 499) {
    throw LeetcodeApiError([response.reasonPhrase ?? 'Access denied'], response.statusCode);
  }

  final bytes = await response.stream.toBytes();
  final stringBody = utf8.decode(bytes);

  if (stringBody.isEmpty) {
    throw LeetcodeApiError(['No data returned'], response.statusCode);
  }

  final jsonBody = jsonDecode(stringBody) as Map<String, dynamic>;

  if (jsonBody.containsKey('errors')) {
    final messages = (jsonBody['errors'] as List).cast<Map<String, dynamic>>();
    throw LeetcodeApiError(
      messages.map((e) => e['message'] as String).toList(),
      response.statusCode,
    );
  }
  return jsonBody;
}