public Return.LocationDate[] GetHistory(string id)
{
LocationDateDb[] locs = new LocationDateDb[] { };
Return.LocationDate[] ret;
using (UserContext context = new UserContext())
{
User user = context.Users.FirstOrDefault(u => u.Name.Equals(id));
if (user != null)
{
user.Locations.Sort(new LocationDateComparer());
int floor = user.Locations[user.Locations.Count - 1].F;
int i = 1;
for (; i < user.Locations.Count; i++)
{
if (user.Locations[user.Locations.Count - i].F != floor)
{
i++;
break;
}
}
locs = user.Locations.Skip(user.Locations.Count - i).ToArray();
}
ret = locs.Select(x => new Return.LocationDate()
{
Dat = new Date()
{
Year = x.Year,
Month = x.Month,
Day = x.Day,
Hour = x.Hour,
Minute = x.Minute,
Second = x.Second
},
Loc = new Location()
{
X = x.X,
Y = x.Y,
Z = x.Z,
F = x.F
},
}).ToArray();
}
return(ret);
}
public LocationDate GetLocation(string id, WirelessSignal[] signals)
{
ILocationPredictable pred = new RandomForest(CzyPrzemek ? RdataPrzemek : RdataPawel);
foreach (var sig in signals)
{
sig.Id = sig.Id.Replace(":", ".");
sig.Id = String.Concat("BSSID_", sig.Id);
}
int[] signal = new int[pred.Inputs.Length];
for (int i = 0; i < pred.Inputs.Length; i++)
{
bool isSet = false;
int index = -1;
for (int j = 0; j < signals.Length; j++)
{
if (pred.Inputs[i].Equals(signals[j].Id))
{
isSet = true;
index = j;
}
}
if (isSet)
{
signal[i] = signals[index].Value;
}
else
{
signal[i] = pred.NAValue;
}
}
Interfaces.Location loca = pred.PredictLocation(signal);
loca.Y *= -1;
LocationDateDb loc;
DateTime now;
using (UserContext context = new UserContext())
{
User user = context.Users.FirstOrDefault(u => u.Name.Equals(id));
if (user == null)
{
user = new User();
user.Name = id;
user.Locations = new List <LocationDateDb>();
context.Users.Add(user);
context.SaveChanges();
}
user = context.Users.First(u => u.Name.Equals(id));
now = DateTime.Now;
loc = new LocationDateDb()
{
X = loca.X,
Y = loca.Y,
Z = loca.Z,
F = loca.F,
Year = now.Year,
Month = now.Month,
Day = now.Day,
Hour = now.Hour,
Minute = now.Minute,
Second = now.Second,
UserId = user.Id,
};
user.Locations.Add(loc);
context.SaveChanges();
}
//return loca;
return(new LocationDate()
{
Loc = new Location()
{
X = loc.X, Y = loc.Y, Z = loc.Z, F = loc.F
},
Dat = new Date()
{
Year = now.Year, Month = now.Month, Hour = now.Hour, Minute = now.Minute, Second = now.Second
}
});
#region not used
//int smallest = -1, biggest = -1;
//smallest = signals.Min(a => a.Value);
//biggest = signals.Max(a => a.Value);
//LocationDateDb l = new LocationDateDb()
//{
// Year = 1991,
// Month = 5,
// Day = 29,
// Hour = 21,
// Minute = 40,
// Second = 0,
// X = 1.0,
// Y = 2.0,
// Z = biggest,
// F = smallest
//};
//using (var context = new UserContext())
//{
// User user = context.Users.FirstOrDefault(u => u.Name.Equals(id));
// if (user == null)
// {
// user = new User();
// user.Locations = new List<LocationDateDb> {l};
// }
// else
// {
// user.Locations.Add(l);
// }
// context.Users.Add(user);
// context.SaveChanges();
//}
//return l;
#endregion
}
