fetchPath static method
Implementation
static Future<Path> fetchPath(
String apiKey, {
required String startStationCode,
required String destinationStationCode,
}) async {
final String host = _buildUrl(
startStationCode: startStationCode,
destinationStationCode: destinationStationCode,
);
final response = await http.get(
Uri.parse(host),
headers: {"api_key": apiKey},
);
Map<String, dynamic> responseArr = readJson(response.body);
if (responseArr.isEmpty) return Path.empty();
if (responseArr[ApiFields.path] == null) return Path.empty();
return Path.fromJson(responseArr);
}