private async Task <TrueskillRating> GetOrAddRating(ulong userId)
{
var rating = await _ratings.GetRating(userId);
if (rating.HasValue)
{
return(rating.Value);
}
rating = new TrueskillRating(userId, uint.MaxValue, _gameInfo.DefaultRating.Mean, _gameInfo.DefaultRating.StandardDeviation);
await _ratings.SetRating(userId, rating.Value.Mean, rating.Value.StdDev);
return(rating.Value);
}
private static Rating Convert(TrueskillRating rating)
{
return(new Rating(rating.Mean, rating.StdDev));
}