private IEnumerable <string> GetUsers(DVDP.DVD dvd) { var watches = GetWatches(dvd); var users = watches.Select(GetUserName); return(users); }
internal static IEnumerable <DVDP.Event> GetWatches(DVDP.DVD dvd) => dvd.EventList.EnsureNotNull().Where(e => e.Type == DVDP.EventType.Watched);