public RiverLevelMeasurement GetRiverLevel(string stationId)
{
try
{
Trace.TraceInformation("EARiverLevelScraper:GetRiverLevel() - {0}", stationId);
using (WebClient client = new WebClient())
{
string response = client.DownloadString(
$"http://environment.data.gov.uk/flood-monitoring/id/stations/{stationId}/readings?_sorted&_limit=2");
if (string.IsNullOrWhiteSpace(response) == false)
{
var json = JsonConvert.DeserializeObject <dynamic>(response);
RiverLevelMeasurement level = new RiverLevelMeasurement()
{
Measurement = Convert.ToDouble(json["items"][0]["value"].ToString()),
LastMeasurement = Convert.ToDouble(json["items"][1]["value"].ToString()),
MeasurementDateTime = DateTime.Parse(json["items"][0]["dateTime"].ToString())
};
// grab extra station details
string stationDetails = client.DownloadString(
$"http://environment.data.gov.uk/flood-monitoring/id/stations/{stationId}.json");
if (string.IsNullOrWhiteSpace(stationDetails) == false)
{
var stationJson = JsonConvert.DeserializeObject <dynamic>(stationDetails);
level.StationName = stationJson["items"]["label"].ToString();
level.StationRLOIid = stationJson["items"]["RLOIid"].ToString();
}
return(level);
}
else
{
Trace.TraceError("EAApiRiverLevelScraper:GetRiverLevel() - response was null");
return(null);
}
}
}
catch (Exception Ex)
{
Trace.TraceError("EAApiRiverLevelScraper:GetRiverLevel() - Error. Ex {0}. {1}", Ex.Message, Ex.StackTrace);
return(null);
}
}
public List <RiverLevelMeasurement> GetRiverLevels(string stationId, int count = 10)
{
try
{
List <RiverLevelMeasurement> levels = new List <RiverLevelMeasurement>();
Trace.TraceInformation("EARiverLevelScraper:GetRiverLevels() - {0}", stationId);
using (WebClient client = new WebClient())
{
string response = client.DownloadString(
$"http://environment.data.gov.uk/flood-monitoring/id/stations/{stationId}/readings?_sorted&_limit={count}");
if (string.IsNullOrWhiteSpace(response) == false)
{
var json = JsonConvert.DeserializeObject <dynamic>(response);
foreach (var item in json["items"])
{
RiverLevelMeasurement level = new RiverLevelMeasurement()
{
Measurement = Convert.ToDouble(item["value"].ToString()),
MeasurementDateTime = DateTime.Parse(item["dateTime"].ToString())
};
levels.Add(level);
}
return(levels);
}
else
{
Trace.TraceError("EAApiRiverLevelScraper:GetRiverLevels() - response was null");
return(null);
}
}
}
catch (Exception Ex)
{
Trace.TraceError("EAApiRiverLevelScraper:GetRiverLevels() - Error. Ex {0}. {1}", Ex.Message, Ex.StackTrace);
return(null);
}
}
