public BeaconEventType ResolveBeaconState(Beacon b)
{
lock (KnownBeacons)
{
if (KnownBeacons.ContainsKey(b))
{
KnownBeacons[b] = DateTimeOffset.Now;
return(BeaconEventType.None);
}
KnownBeacons[b] = DateTimeOffset.Now;
}
return(BeaconEventType.Enter);
}
public List <Beacon> ResolveBeaconExits()
{
lock (KnownBeacons)
{
DateTimeOffset temp = DateTimeOffset.Now;
DateTimeOffset end = DateTimeOffset.Now.AddMilliseconds(-ExitTimeout);
List <Beacon> removeBeacons = new List <Beacon>();
foreach (KeyValuePair <Beacon, DateTimeOffset> beacon in KnownBeacons)
{
if (beacon.Value < end)
{
removeBeacons.Add(beacon.Key);
}
}
foreach (Beacon b in removeBeacons)
{
KnownBeacons.Remove(b);
}
return(removeBeacons);
}
}
