get method
Get a DataPoint based on its id
from the CARP backend.
Implementation
Future<DataPoint> get(int id) async {
String url = "$dataEndpointUri/$id";
// GET the data point from the CARP web service
http.Response response =
await httpr.get(Uri.encodeFull(url), headers: headers);
int httpStatusCode = response.statusCode;
Map<String, dynamic> responseJson =
json.decode(response.body) as Map<String, dynamic>;
if (httpStatusCode == HttpStatus.ok) {
return DataPoint.fromJson(responseJson);
}
// All other cases are treated as an error.
throw CarpServiceException(
httpStatus: HTTPStatus(httpStatusCode, response.reasonPhrase),
message: responseJson["message"].toString(),
path: responseJson["path"].toString(),
);
}