public IHttpActionResult AddMobileDeviceLocations([FromBody] IList <MobileDeviceLocationModel> models, string deviceID)
{
using (var dbContext = new DataContext())
{
var mobileDevice = dbContext.MobileDevices.FirstOrDefault(f => f.DeviceID == deviceID);
if (mobileDevice == null)
{
return(this.BadRequestEx(Error.MobileDeviceDoesNotExist));
}
foreach (var mobileDeviceLocationModel in models)
{
var mobileDeviceLocation = new MobileDeviceLocation();
mobileDeviceLocation.GpsLongitude = mobileDeviceLocationModel.GpsLongitude;
mobileDeviceLocation.GpsLatitude = mobileDeviceLocationModel.GpsLatitude;
mobileDeviceLocation.LocationTimestamp = mobileDeviceLocationModel.LocationTimestamp;
mobileDeviceLocation.MobileDeviceID = mobileDevice.ID;
dbContext.MobileDeviceLocations.Add(mobileDeviceLocation);
}
dbContext.SaveChanges();
return(Ok());
}
}
public HttpResponseMessage PostLocation(Guid id, MobileDeviceLocation value)
{
if (id == null)
{
return(Request.CreateResponse(HttpStatusCode.BadRequest, "Não foram enviados dados."));
}
var mobileDevices = _database.GetCollection <MobileDevice>("MobileDevices");
MobileDevice device = mobileDevices.FindOneById(id);
var accessPoints = _database.GetCollection <AccessPoint>("AccessPoints");
//Para cada AP que o dispositivo enxerga
foreach (AccessPointSignal aps in value.APs)
{
//Se AP não existir, adiciona
if (aps.AP._id.Equals(Guid.Empty))
{
accessPoints.Insert(aps.AP);
}
//Calcula distancia
aps.Distance = Math.Pow(10, ((-32.44 - 20 * Math.Log10(aps.AP.Frequency) - aps.Signal) / 20));
}
//Para cada AP que o dispositivo enxerga
List <AccessPointSignal> lista = value.APs.ToList();
List <AccessPointIntersection> intersecs = new List <AccessPointIntersection>();
var next = 0;
for (int i = 0; i < lista.Count; i++)
{
next += 1;
if (next == lista.Count)
{
next = 0;
}
var inter = new AccessPointIntersection(lista[i], lista[next]);
if (inter.hasIntersection())
{
//Se existe intersecção
intersecs.Add(inter);
}
}
//Se temos pelo menos 3 intersecções
if (intersecs.Count >= 3)
{
double deltaX = 0, deltaY = 0;
foreach (AccessPointIntersection intersec in intersecs)
{
deltaX += intersec.Center._x;
deltaY += intersec.Center._y;
}
device.LastSeen = new Location()
{
_x = deltaX / intersecs.Count,
_y = intersecs.Count,
};
mobileDevices.Save(device);
}
return(Request.CreateResponse(HttpStatusCode.Created, device));
}
