public Task <uint> GetRandomSongID(CancellationToken cancellation)
{
var weights = this.voteCache.AllSongs.ToDictionary(
keySelector: summary => summary,
elementSelector: summary => Math.Max(summary.VoteSum, 0));
if (weights.Count == 0)
{
return(Task.FromResult(0u));
}
cancellation.ThrowIfCancellationRequested();
var weightedRandom = new WeightedRandom <SongSummary>(weights);
cancellation.ThrowIfCancellationRequested();
return(Task.FromResult(weightedRandom.GetRandom(ThreadSafeRandom.Instance).Song.ID));
}
public RandomSongProviderCombinator(WeightedRandom <IRandomSongProvider> providers,
ILogger <RandomSongProviderCombinator> logger)
{
this.providers = providers;
this.logger = logger;
}