public async Task <int?> GetPossiblePositionForCurrentSkier(int raceId)
{
var current = await GetCurrentSkier(raceId);
if (current == null)
{
return(null);
}
var lastTimeData =
(await _timeDataDao.GetTimeDataForStartList(current.SkierId, current.RaceId))
.OrderByDescending(td => td?.Sensor?.SensorNumber)
.First();
var diff = await _statService.GetDifferenceToLeader(lastTimeData);
if (diff == null)
{
return(1);
}
var ranking = await _statService.GetFinishedSkierRanking(raceId);
return(1 + ranking
?.TakeWhile(raceRanking => (raceRanking?.TimeToLeader ?? 0) < diff.Value.TotalMilliseconds)
.Count());
}
