public async Task <IHttpActionResult> GetLocation(int id)
        {
            SpacesHandler               SH      = new SpacesHandler(db);
            TrackerLocationsHandler     TLH     = new TrackerLocationsHandler(db);
            StoreysHandler              StH     = new StoreysHandler(db);
            TrackerLocation             loc     = TLH.GetTrackerLocation(id);
            Dictionary <string, double> Options = new Dictionary <string, double>();
            Stream          stream = new MemoryStream(loc.Options);
            BinaryFormatter binfor = new BinaryFormatter();

            Options = (Dictionary <string, double>)binfor.Deserialize(stream);
            List <Option> options = new List <Option>();

            foreach (KeyValuePair <string, double> kv in Options)
            {
                Space  space      = SH.GetSpace(Guid.Parse(kv.Key));
                Guid   spaceID    = space.ID;
                Guid   storeyID   = space.Storey.ID;
                Guid   buildingID = space.Storey.Building.ID;
                Option option     = new Option(spaceID, storeyID, buildingID, kv.Value);
                options.Add(option);
            }
            KeyValuePair <DateTime, List <Option> > result = new KeyValuePair <DateTime, List <Option> >(loc.TimeStamp, options);

            return(Json(result));
        }
        public async Task <IHttpActionResult> PostLocation()
        {
            DateTime                time = DateTime.Now;
            TrackersHandler         TH   = new TrackersHandler(db);
            TrackerLocationsHandler TLH  = new TrackerLocationsHandler(db);
            SpacesHandler           SH   = new SpacesHandler(db);
            KnnsHandler             KH   = new KnnsHandler(db);
            string resultString          = Request.Content.ReadAsStringAsync().Result.Trim();
            KeyValuePair <int, KeyValuePair <Guid, List <double> > > coordinates = LocationParser(resultString);
            Knn Knn = KH.GetKnn(coordinates.Value.Key);

            byte[]          options = Classify.ClassifyTemplate(coordinates.Value.Value, Knn);
            Tracker         tracker = TH.GetTracker(coordinates.Key);
            TrackerLocation loc     = new TrackerLocation(time, options, tracker);

            TLH.PostTrackerLocation(loc);
            return(Ok(Classify.ClassifyTemplate(coordinates.Value.Value, Knn)));
        }