/// <summary>
/// Processes a location point.
/// If the point falls within a cluster (in danger), the user has to be notified.
/// </summary>
/// <param name="location">A location point that has to be processed</param>
/// TODO Consider making this async
public void ProcessLocation(Location location, string token)
{
string firebaseToken = _databaseEngine.Get_Firebase_Token(token);
int risk = 0;
var clusters = _clusterService.ClustersInRange(location, -1);
if (clusters != null)
{
if (clusters.Count > 0)
{
risk = RISK.MEDIUM_RISK;
clusters.ForEach(cluster =>
{
var coordinates = cluster.Coordinates;
for (int i = 0; i < coordinates.Count; i++)
{
if (Cluster.HaversineDistance(location, coordinates.ElementAt(i)) <= ProximityToCarrier)
{
_databaseEngine.Increment_Incidents(location.AccessToken);
risk = RISK.HIGH_RISK;
}
}
});
RiskDetected(token, firebaseToken, location, risk);
}
else
{
ProcessWithUnclusteredLocations(token, location, firebaseToken);
}
}
else
{
ProcessWithUnclusteredLocations(token, location, firebaseToken);
}
}
public ObjectResult Cluster_Test([FromBody] Token token_object)
{
Location location = JsonConvert.DeserializeObject <Location>(token_object.Object_To_Server);
return(Ok(JsonConvert.SerializeObject(Cluster_Service.ClustersInRange(location, -1))));
}
public ItineraryRiskWrapper ProcessItinerary(Itinerary userItinerary, string access_token)
{
double averageClusterDensity = 0;
ItineraryRisk itinerary = new ItineraryRisk(userItinerary.Created, access_token);
if (userItinerary.Locations != null)
{
if (itinerary.LocationItineraryRisks == null)
{
itinerary.LocationItineraryRisks = new Dictionary <Location, int>();
}
List <Location> locationList = userItinerary.Locations;
locationList.ForEach(location =>
{
var clusters = ClusterService.ClustersInRange(location, -1);
if (clusters != null)
{
averageClusterDensity = CalculateClusteringDensity(clusters);
if (averageClusterDensity == 0)
{
itinerary.LocationItineraryRisks.Add(location, RISK.NO_RISK);
}
else if (averageClusterDensity > HIGHDENSITY)
{
itinerary.LocationItineraryRisks.Add(location, RISK.HIGH_RISK);
}
else
{
itinerary.LocationItineraryRisks.Add(location, RISK.MEDIUM_RISK);
}
}
else
{
// Check unclustered current locations
var oldClusters = ClusterService.OldClustersInRange(location, -1);
if (oldClusters != null)
{
averageClusterDensity = CalculateClusteringDensity(clusters);
if (averageClusterDensity == 0)
{
itinerary.LocationItineraryRisks.Add(location, RISK.NO_RISK);
}
else if (averageClusterDensity > HIGHDENSITY)
{
itinerary.LocationItineraryRisks.Add(location, RISK.MODERATE_RISK);
}
else
{
itinerary.LocationItineraryRisks.Add(location, RISK.LOW_RISK);
}
}
else
{
// No clusters near this location
itinerary.LocationItineraryRisks.Add(location, RISK.NO_RISK);
}
}
});
itinerary.TotalItineraryRisk = CalculateTotalRisk(itinerary.LocationItineraryRisks);
/*itinerary.UserAccessToken = DatabaseEngine.GetUserEmail(access_token)*/;
if (access_token != WebAppToken)
{
var _id = DatabaseEngine.Insert_Itinerary_Risk(itinerary);
itinerary.ID = _id;
}
}
return(new ItineraryRiskWrapper(itinerary));
}