public void RegisterCaregiver(string ID)
{
Trace.TraceInformation(String.Format("Attempting to register cargiver: {0}", ID));
try
{
Trace.AutoFlush = true;
string deadConnectionId;
string ConnID = Context.ConnectionId;
ConnectionDictionary.mapUidToConnection.TryRemove(ID, out deadConnectionId);
ConnectionDictionary.mapUidToConnection[ID] = ConnID;
Trace.TraceInformation(String.Format("Added caregiver: {0} connectionId {1}", ID,
ConnectionDictionary.mapUidToConnection[ID]));
Caregiver currCaregiver = CaregiverController.GetCaregiverObject(ID);
Patient currPatient = PatientController.GetPatientObjectbyGroupID(currCaregiver.GroupID);
//send patient ID to caregiver
SampleController sampleController = new SampleController();
if (SampleController.GetSampleCountforPatientID(currPatient.Id) == 0)
{
Trace.TraceInformation("No samples found for patient");
Message message = new Message()
{
ID = currPatient.Id,
status = AlgoUtils.Status.Learning,
name = "",
lat = 32.0808800F,
lon = 34.7805700F
};
Clients.Client(ConnectionDictionary.mapUidToConnection[ID]).receiveNotification(message);
WanderingAlgo algo = new WanderingAlgo();
Trace.TraceInformation("Starting Detection Algo for Patient {0} due to caregiver registration",
currPatient.Id);
algo.wanderingDetectionAlgo(currPatient.Id);
}
else
{
Sample latestSample = sampleController.GetLatestSampleForPatient(currPatient.Id);
Trace.TraceInformation("Sending message back to caregiver with patient ID");
Message message = new Message()
{
ID = currPatient.Id, status = AlgoUtils.Status.Safety, name = "", lat = latestSample.Latitude, lon = latestSample.Longitude
};
Clients.Client(ConnectionDictionary.mapUidToConnection[ID]).receiveNotification(message);
WanderingAlgo algo = new WanderingAlgo();
Trace.TraceInformation("Starting Detection Algo for Patient {0} due to caregiver registration", currPatient.Id);
algo.wanderingDetectionAlgo(currPatient.Id);
}
}
catch (Exception e)
{
Trace.TraceError("Registration of " + ID + " failed or Exception in wandering Algo: " + e.Message);
}
}
public void sendHelpButtonNotificationToCareGivers(string patientID)
{
PatientController patientController = new PatientController();
string patientName = patientController.GetPatientName(patientID);
Trace.TraceInformation(String.Format("Patient {0} pressed Help Button sending alerts to all caregivers",
patientName));
CaregiverController caregiverController = new CaregiverController();
IEnumerable <Caregiver> caregiversArr = caregiverController.GetCaregiversforPatientID(patientID);
static_send(patientID, patientName, caregiversArr, AlgoUtils.Status.NeedsAssistance);
}
/// Step A - PREPROCESS
public void preprocessAlgoData(string currentPatientID)
{
Trace.TraceInformation(String.Format("Current PatientID is {0}", currentPatientID));
/// 1. Get latest sample
SampleController sampleController = new SampleController();
latestSample = sampleController.GetLatestSampleForPatient(currentPatientID);
Trace.TraceInformation(String.Format("Latest sample timestamp is {0}", latestSample.CreatedAt));
//insert caregivers to caregiversArr
PatientController patientController = new PatientController();
CaregiverController caregiverController = new CaregiverController();
caregiversArr = caregiverController.GetCaregiversforPatientID(currentPatientID);
patientName = patientController.GetPatientName(currentPatientID);
Trace.TraceInformation(String.Format("Patient name is {0}", patientName));
Trace.TraceInformation(String.Format("Caregivers array first email is {0}", (caregiversArr.First()).Email));
//extract patient's known locations
LocationController locationController = new LocationController();
knownLocations = locationController.GetKnownLocationsforPatientID(currentPatientID);
Trace.TraceInformation(String.Format("Found {0} known locations for this patient", knownLocations.Length));
Trace.TraceInformation(String.Format("First known location is {0}", knownLocations[0].Description));
//set currentLoc and closestKnowLocation
currentLoc = new GeoCoordinate(latestSample.Latitude, latestSample.Longitude);
closestKnownLocation = AlgoUtils.closestKnownLocation(currentLoc, knownLocations);
Trace.TraceInformation(String.Format("Current location is {0}", currentLoc.ToString()));
Trace.TraceInformation(String.Format("Closest known location is {0}", closestKnownLocation.Description));
Trace.TraceInformation(String.Format("Current world time is {0}", DateTime.Now));
//get latest sample time
sampleTime = latestSample.CreatedAt.Value;
Trace.TraceInformation(String.Format("Latest sample time is {0}", sampleTime));
//get avg patient's HR, and set our limits
AVG_PATIENT_HR = AlgoUtils.avgHeartRate(currentPatientID);
HEART_RATE_TOP_LIMIT = 1.4 * AVG_PATIENT_HR;
HEART_RATE_BOTTOM_LIMIT = 0.5 * AVG_PATIENT_HR;
Trace.TraceInformation(String.Format("Avg patient heartrate is {0}", AVG_PATIENT_HR));
Trace.TraceInformation(String.Format("BottomLimit patient heartrate is {0}", HEART_RATE_BOTTOM_LIMIT));
Trace.TraceInformation(String.Format("TopLimit patient heartrate is {0}", HEART_RATE_TOP_LIMIT));
}
/// **notice: T1>T2>T3**
///////////////TO BE CALLED FROM SERVER//////////////
public void wanderingDetectionAlgo(string currentPatientID)
{
Trace.AutoFlush = true;
patientID = currentPatientID;
if (AlgoUtils.learningStage(currentPatientID)) //if less than 200 samples
{
//case Learning
Trace.TraceInformation(String.Format("Patient status is {0}", AlgoUtils.Status.Learning.ToString()));
PatientController patientController = new PatientController();
CaregiverController caregiverController = new CaregiverController();
caregiversArr = caregiverController.GetCaregiversforPatientID(currentPatientID);
patientName = patientController.GetPatientName(currentPatientID);
NotificationHub.static_send(patientID, patientName, caregiversArr, AlgoUtils.Status.Learning);
return;
}
preprocessAlgoData(currentPatientID); //update latest sample for our patient & his caregiversArr
Trace.TraceInformation(String.Format("Preprocess stage is finished"));
AlgoUtils.Status patientStatus = monitorAndAlert(currentPatientID); //main business logic
Trace.TraceInformation(String.Format("Monitor and alert stage is done"));
Trace.TraceInformation(String.Format("Patient status is {0}", patientStatus));
//Call2Action
switch (patientStatus)
{
case AlgoUtils.Status.Safety:
{
NotificationHub.static_send(patientID, patientName, caregiversArr, patientStatus);
//AlgoUtils.sendSMS(caregiversArr, patientStatus);
//TODO:SAFETY stuff
break;
}
case AlgoUtils.Status.Wandering:
{
NotificationHub.static_send(patientID, patientName, caregiversArr, patientStatus);
//AlgoUtils.sendSMS(caregiversArr, patientStatus);
//TODO:WANDERING stuff
/// Step C - POSSIBLE_WANDERING_MODE
/// 1. send PUSH to caregiver - "Do you know your beloved John is currently at (sample.location)?
/// It's a strange time for him to be there"
/// 1.1 if caregiver knows then
/// 1.1.1 add sample.time to sample.location (if it's not happening automatically)
/// 1.1.2 enter MONITORING_MODE
/// 1.2 else if caregiver marks patient as wandering then enter POSSIBLE_RISK_MODE
break;
}
case AlgoUtils.Status.Distress:
{
NotificationHub.static_send(patientID, patientName, caregiversArr, patientStatus);
//AlgoUtils.sendSMS(caregiversArr, patientStatus);
//TODO:DISTRESS stuff
/// Step D - POSSIBLE_DISTRESS_MODE
/// 1. send PUSH to caregiver - "Your beloved John is currently at (sample.location)?
/// His heartrate is a bit abnormal - please contact him"
/// 2. after 2 minutes send PUSH to caregiver - "Is your beloved John okay?"
/// 1.1 if caregiver says he's okay, enter MONITORING_MODE
/// 1.2 else enter POSSIBLE_RISK_MODE
break;
}
case AlgoUtils.Status.Risk:
{
NotificationHub.static_send(patientID, patientName, caregiversArr, patientStatus);
//AlgoUtils.sendSMS(caregiversArr, patientStatus);
//TODO:RISK stuff
/// Step E - POSSIBLE_RISK_MODE
/// 1. Speed up sample rate (?) - every 1-3 minutes
/// 2. Notify all patient's caregivers
/// 3. Speak to patient (?)
/// 4. Open patient's microphone and transmit to caregivers
/// 5. Make alarm sounds - "I need help" - so passbyers can quickly assist (?)
/// 6. When caregiver hits "I'm safe" button - enter MONITORING_MODE (can also mark I'm safe remotely?)
break;
}
case AlgoUtils.Status.ConnectionLost:
{
NotificationHub.static_send(patientID, patientName, caregiversArr, patientStatus);
//TODO: connectionLost stuff
break;
}
}
}
