private void SaveToDatabase()
{
try
{
if (_hrQueue.Count > 0)
{
_isConnectedToBluetoothDevice = true;
var measurements = new List <HeartRateMeasurement>();
HeartRateMeasurement measurement = null;
while (!_hrQueue.IsEmpty)
{
_hrQueue.TryDequeue(out measurement);
if (measurement != null)
{
if (!double.IsNaN(_previousRR))
{
measurement.RRDifference = Math.Abs(measurement.RRInterval - _previousRR);
}
_previousRR = measurement.RRInterval;
measurements.Add(measurement);
}
}
if (Settings.IsDetailedCollectionEnabled)
{
DatabaseConnector.AddHeartMeasurementsToDatabase(measurements, false);
}
var ts = (measurements.Count >= 0) ? measurements[0].Timestamp : string.Empty;
var heartRateValues = measurements.Where(x => !double.IsNaN(x.HeartRateValue)).Select(x => x.HeartRateValue);
var rrdifferences = measurements.Where(x => !double.IsNaN(x.RRDifference)).Select(x => x.RRDifference);
var rrintervals = measurements.Where(x => !double.IsNaN(x.RRInterval)).Select(x => x.RRInterval);
var averages = new HeartRateMeasurement()
{
HeartRateValue = (heartRateValues.Count() == 0) ? double.NaN : heartRateValues.Average(),
RRDifference = (rrdifferences.Count() == 0) ? double.NaN : rrdifferences.Average(),
RRInterval = (rrintervals.Count() == 0) ? double.NaN : rrintervals.Average(),
Timestamp = ts
};
DatabaseConnector.AddHeartMeasurementsToDatabase(new List <HeartRateMeasurement>()
{
averages
}, true);
}
else
{
_isConnectedToBluetoothDevice = false;
Logger.WriteToConsole("Nothing to save...");
}
}
catch (Exception e)
{
Logger.WriteToLogFile(e);
}
}