/// <summary>
/// This method process the FullData. Once the last byte is received, we process the consolidated array.
/// </summary>
private void ProcessData()
{
//WeakHashMap don't need the Tomato Header part
byte[] data = Arrays.CopyOfRange(this.FullData, TOMATO_HEADER_LENGTH, TOMATO_HEADER_LENGTH + 344);
// MIAOMIAO PROTOCOL : The 4th byte is where the sensor status is.
// TODO : Quoi faire ici ? On abandonne la lecture ? Noon ... --> no one no oneeeeeee ne sait
if (!FreeStyleLibreUtils.IsSensorReady(data[4]))
{
Log.Debug(LOG_TAG, "MiaoMiaoProtocol.ProcessData: Sensor is not ready, we should Ignoring reading!");
}
// Here we are !! The show is about to begin :D
// MIAOMIAO Protocol
long now = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
ReadingSession.LastReadingTimestamp = now;
// MIAOMIAO Protocol. Trend index is at the 26th index
int indexTrend = data[26] & 0xFF;
// MIAOMIAO Protocol. History index is at the 27th index
int indexHistory = data[27] & 0xFF;
// MIAOMIAO Protocol. SensorTime is at 317th and 316th index
int sensorTime = 256 * (data[317] & 0xFF) + (data[316] & 0xFF);
long sensorStartTime = now - sensorTime * this.settings.MILLISECONDS_IN_MINUTE;
Log.Debug(LOG_TAG, "MiaoMiaoProtocol.ProcessFullData: sensorTime=[" + sensorTime + "]");
// option to use 13 bit mask
bool thirteen_bit_mask = true;
// loads history values (ring buffer, starting at index_trent. byte 124-315)
for (int index = 0; index < 32; index++)
{
int i = indexHistory - index - 1;
if (i < 0)
{
i += 32;
}
GlucoseMeasure measure = new GlucoseMeasure
{
GlucoseLevelRaw = FreeStyleLibreUtils.ExtractGlucoseRaw(new byte[] { data[(i * 6 + 125)], data[(i * 6 + 124)] }, thirteen_bit_mask),
};
// we don't need null values
if (measure.GlucoseLevelRaw == 0)
{
continue;
}
int time = Math.Max(0, Math.Abs((sensorTime - 3) / 15) * 15 - index * 15);
measure.Timestamp = sensorStartTime + time * this.settings.MILLISECONDS_IN_MINUTE;
measure.RealDateTimeOffset = DateTimeOffset.FromUnixTimeMilliseconds(sensorStartTime + time * this.settings.MILLISECONDS_IN_MINUTE);
measure.SensorTime = time;
measure.GlucoseLevelMGDL = (float)Math.Round((decimal)measure.GlucoseLevelRaw / 10);
measure.GlucoseLevelMMOL = (float)FreeStyleLibreUtils.ConvertMGDLToMMolPerLiter(this.settings, Math.Round((double)measure.GlucoseLevelRaw / 10));
ReadingSession.PushHistoryMeasure(measure);
}
// loads trend values (ring buffer, starting at index_trent. byte 28-123)
for (int index = 0; index < 16; index++)
{
int i = indexTrend - index - 1;
if (i < 0)
{
i += 16;
}
GlucoseMeasure measure = new GlucoseMeasure
{
GlucoseLevelRaw = FreeStyleLibreUtils.ExtractGlucoseRaw(new byte[] { data[(i * 6 + 29)], data[(i * 6 + 28)] }, thirteen_bit_mask)
};
// we don't need null values
if (measure.GlucoseLevelRaw == 0)
{
continue;
}
int time = Math.Max(0, sensorTime - index);
measure.RealDateTimeOffset = DateTimeOffset.FromUnixTimeMilliseconds(sensorStartTime + time * this.settings.MILLISECONDS_IN_MINUTE);
measure.Timestamp = sensorStartTime + time * this.settings.MILLISECONDS_IN_MINUTE;
measure.SensorTime = time;
measure.GlucoseLevelMGDL = (float)Math.Round((decimal)measure.GlucoseLevelRaw / 10);
measure.GlucoseLevelMMOL = (float)FreeStyleLibreUtils.ConvertMGDLToMMolPerLiter(this.settings, Math.Round((double)measure.GlucoseLevelRaw / 10));
ReadingSession.PushTrendMeasure(measure);
Log.Debug(LOG_TAG, $"MiaoMiaoProtocol.ProcessData: measure=[{measure.ToString()}");
}
// The current measure
if (ReadingSession.TrendMeasures.Count > 0)
{
ReadingSession.CurrentMeasure = ReadingSession.TrendMeasures[0];
}
ReadingSession.CalculateSmothedData5Points();
// At the end, we end the ReadingMesureSession
ReadingSession.End();
// send the event to notify that the reading is over
this.EventAggregator.GetEvent <EndReadingEvent>().Publish("");
// Notify the GlucoseService that it's done
this.GlucoseService.HandleReadingSession(ReadingSession);
}
/// <summary>
/// This method processes the glucose measures
/// </summary>
/// <param name="userId">The userId</param>
/// <param name="freshMeasures">The list of the fresh measures</param>
public void ProcessMeasuresData(string userId, MeasureReadingSession readingSession)
{
var currentUser = this.userRepository.GetCurrentUser();
var userSettings = this.userSettingsRepository.GetCurrentUserSettings();
bool isCreation = false;
// first, we check the age of the sensor
var currentSensor = this.sensorRepository.GetCurrentSensor();
long newSensorAge = readingSession.TrendMeasures[readingSession.TrendMeasures.Count - 1].SensorTime;
long savedSensorAge = currentSensor.Age;
if (newSensorAge > savedSensorAge)
{
Log.Debug(LOG_TAG, GetType() + ".ProcessMeasuresData: Sensor age has advanced. Try to insert measures" + savedSensorAge);
savedSensorAge = newSensorAge;
this.sensorRepository.UpdateSensorAge(currentSensor, savedSensorAge);
}
else if (newSensorAge == savedSensorAge)
{
Log.Debug(LOG_TAG, GetType() + ".ProcessMeasuresData: Sensor age has not advanced. sensorAge=[" + savedSensorAge + "]");
return; // do not try to insert again
}
else
{
Log.Debug(LOG_TAG, GetType() + ".ProcessMeasuresData: Sensor age has gone backwards!!! " + savedSensorAge);
savedSensorAge = newSensorAge;
this.sensorRepository.UpdateSensorAge(currentSensor, savedSensorAge);
}
GlucoseMeasure lastInsertedMeasure = this.glucoseMeasureRepository.GetLastMeasureByUser(userId);
// create each GlucoseMeasure
foreach (GlucoseMeasure measure in readingSession.GetAllMeasures())
{
if (lastInsertedMeasure != null && lastInsertedMeasure.Timestamp > measure.Timestamp)
{
continue;
}
// possibly, the trend measures interval could be one minute
// we only want 5 minutes interval
if (measure.SensorTime % appSettings.MEASURE_NOTIFICATION_INTERVAL != 0)
{
continue;
}
isCreation = true;
// creation first
measure.Id = Guid.NewGuid().ToString();
this.glucoseMeasureRepository.Create(measure, userId);
// then updates
// measureoffset
this.glucoseMeasureRepository.UpdateMeasureOffset(measure, userSettings.MeasureOffset, appSettings);
// In The medical zone
//medical zone
this.glucoseMeasureRepository.ChangeIsInTheMedicalZone(measure, InTheMedicalZone(measure));
Log.Debug(LOG_TAG, GetType() + ".ProcessMeasuresData: Creating measure " + measure.ToString());
}
GlucoseMeasure lastGlucoseMeasure = readingSession.CurrentMeasure;
//Last glucose measure additionnal setup
if (lastGlucoseMeasure.Id == null)
{
//Add to the last glucose measure an generatedId
lastGlucoseMeasure.Id = Guid.NewGuid().ToString();
//Save the last glucose measure into the database
this.glucoseMeasureRepository.Create(lastGlucoseMeasure, userId);
}
if (lastGlucoseMeasure.UserId == null)
{
//Add to the last glucose measure an userId
this.glucoseMeasureRepository.ChangeUserId(lastGlucoseMeasure, userId);
}
//Check if the measure is in the medical zone
this.glucoseMeasureRepository.ChangeIsInTheMedicalZone(lastGlucoseMeasure, InTheMedicalZone(lastGlucoseMeasure));
//Apply the offset
lastGlucoseMeasure = this.glucoseMeasureRepository.UpdateMeasureOffset(lastGlucoseMeasure, userSettings.MeasureOffset, appSettings);
Log.Debug(LOG_TAG, GetType() + ".ProcessMeasuresData: lastMeasure = " + lastGlucoseMeasure.ToString());
var toPublish = this.appSettings.HANDLE_MGDL_MEASURE ? lastGlucoseMeasure.GlucoseLevelMGDL : lastGlucoseMeasure.GlucoseLevelMMOL;
// Spread the current last glucose measure
this.eventAggregator.GetEvent <LastMeasureReceivedEvent>().Publish(toPublish);
}
