public static string[] GetCheckedInRoomIds(this EventStore store)
 => store.Read(0, int.MaxValue)
 .Select(x => x.Content)
 .OfType <IRoomEvent>()
 .GroupBy(o => o.RoomId)
 .Where(o => o.Last() is RoomCheckedIn)
 .Select(o => o.Key)
 .ToArray();
예제 #2
0
 public static string[] GetRoomsToClean(this EventStore store)
 => store.Read(0, int.MaxValue)
 .Select(x => x.Content)
 .OfType <IRoomEvent>()
 .GroupBy(o => o.RoomId)
 .Where(o => o.Last() is RoomCleaningRequested)
 .Select(o => o.Key)
 .ToArray();