public void LoadData(bool forceRefresh)
{
if (IsLoading)
{
return;
}
// Don't download new data if current is less than a minute old
if (!forceRefresh)
{
if (LastUpdated != DateTime.MinValue)
{
TimeSpan difference = DateTime.UtcNow - LastUpdated;
if (difference.TotalMinutes < 1)
{
return;
}
}
}
new Thread(delegate()
{
Application.Current.Dispatcher.Invoke(delegate
{ DataDownloadStarted?.Invoke(this, new EventArgs()); });
bool reportError = false;
bool graphError = false;
DateTime dataTime = DateTime.UtcNow;
string utc = dataTime.ToString("yyyy-MM-dd'T'HH-mm-00");
// Download and deserialise report for current time
try
{
string reportUrl = Path.Combine(Properties.Settings.Default
.DataEndpoint + "/", "data/reports.php?time=" + utc);
string reportData = RequestURL(reportUrl);
if (reportData == "1")
{
throw new Exception("Server-side error");
}
Report reportJson = JsonConvert.DeserializeObject <Report>(reportData);
// Recalibrate time to returned record time
dataTime = DateTime.Parse(reportJson.Time);
dataTime = DateTime.SpecifyKind(dataTime, DateTimeKind.Utc);
utc = dataTime.ToString("yyyy-MM-dd'T'HH-mm-ss");
Application.Current.Dispatcher.Invoke(delegate
{
if (reportJson.AirT != null)
{
LabelAirT.Content = ((double)reportJson.AirT).ToString("0.0") + "°C";
}
else
{
LabelAirT.Content = "No Data";
}
if (reportJson.RelH != null)
{
LabelRelH.Content = ((double)reportJson.RelH).ToString("0.0") + "%";
}
else
{
LabelRelH.Content = "No Data";
}
if (reportJson.DewP != null)
{
LabelDewP.Content = ((double)reportJson.DewP).ToString("0.0") + "°C";
}
else
{
LabelDewP.Content = "No Data";
}
if (reportJson.WSpd != null)
{
LabelWSpd.Content = ((double)reportJson.WSpd).ToString("0.0") + " mph";
}
else
{
LabelWSpd.Content = "No Data";
}
if (reportJson.WDir != null)
{
LabelWDir.Content = reportJson.WDir.ToString()
+ "° (" + DegreesToCompass((int)reportJson.WDir) + ")";
}
else
{
LabelWDir.Content = "No Data";
}
if (reportJson.WGst != null)
{
LabelWGst.Content = ((double)reportJson.WGst).ToString("0.0") + " mph";
}
else
{
LabelWGst.Content = "No Data";
}
if (reportJson.SunD_PHr != null)
{
TimeSpan ts = TimeSpan.FromSeconds((double)reportJson.SunD_PHr);
LabelSunDPHr.Content = new DateTime(ts.Ticks).ToString("HH:mm:ss");
}
else
{
LabelSunDPHr.Content = "No Data";
}
if (reportJson.Rain_PHr != null)
{
LabelRainPHr.Content =
((double)reportJson.Rain_PHr).ToString("0.00") + " mm";
}
else
{
LabelRainPHr.Content = "No Data";
}
if (reportJson.MSLP != null)
{
LabelMSLP.Content = ((double)reportJson.MSLP).ToString("0.0") + " hPa";
}
else
{
LabelMSLP.Content = "No Data";
}
if (reportJson.StaP_PTH != null)
{
LabelStaPPTH.Content =
((double)reportJson.StaP_PTH).ToString("+0.0;-0.0") + " hPa";
}
else
{
LabelStaPPTH.Content = "No Data";
}
if (reportJson.ST10 != null)
{
LabelST10.Content = ((double)reportJson.ST10).ToString("0.0") + "°C";
}
else
{
LabelST10.Content = "No Data";
}
if (reportJson.ST30 != null)
{
LabelST30.Content = ((double)reportJson.ST30).ToString("0.0") + "°C";
}
else
{
LabelST30.Content = "No Data";
}
if (reportJson.ST00 != null)
{
LabelST00.Content = ((double)reportJson.ST00).ToString("0.0") + "°C";
}
else
{
LabelST00.Content = "No Data";
}
});
}
catch
{
reportError = true;
Application.Current.Dispatcher.Invoke(delegate
{
LabelAirT.Content = "No Data";
LabelRelH.Content = "No Data";
LabelDewP.Content = "No Data";
LabelWSpd.Content = "No Data";
LabelWDir.Content = "No Data";
LabelWGst.Content = "No Data";
LabelSunDPHr.Content = "No Data";
LabelRainPHr.Content = "No Data";
LabelMSLP.Content = "No Data";
LabelStaPPTH.Content = "No Data";
LabelST10.Content = "No Data";
LabelST30.Content = "No Data";
LabelST00.Content = "No Data";
});
}
// Download and deserialise chart data for current day
try
{
string graphUrl = Path.Combine(Properties.Settings.Default.DataEndpoint
+ "/", "data/graph-day.php?time=" + utc + "&fields=AirT");
string graphData = RequestURL(graphUrl);
if (graphData == "1")
{
throw new Exception("Server-side error");
}
graphData = graphData.Replace("[[", "[").Replace("]]", "]");
List <ChartPoint> graphJson = JsonConvert.DeserializeObject <List <
ChartPoint> >(graphData);
Application.Current.Dispatcher.Invoke(delegate
{
ChartModel.ClearPoints();
foreach (var item in graphJson)
{
if (item.Y != null)
{
ChartModel.AddPoint(UTCToLocal(item.X), (double)item.Y);
}
}
// Calculate chart boundaries
var bounds = GetDayBounds(UTCToLocal(dataTime));
DateTimeAxisAirTX.Minimum = DateTimeAxis.ToDouble(bounds.Item1);
DateTimeAxisAirTX.Maximum = DateTimeAxis.ToDouble(bounds.Item2);
SetYAxisSettings();
PlotAirT.InvalidatePlot();
});
}
catch
{
graphError = true;
Application.Current.Dispatcher.Invoke(delegate
{ ChartModel.ClearPoints(); });
}
// If any request succeeded, set the loaded time
if (!reportError || !graphError)
{
LastUpdated = dataTime;
DataTime = dataTime;
}
Application.Current.Dispatcher.Invoke(delegate
{ DataDownloadCompleted?.Invoke(this, new EventArgs()); });
}).Start();
}