public PlaylistInfo CreateNewShuffle(Playlist playlist)
{
int[] order = Enumerable.Range(0, playlist.Tracks.Count).OrderBy(x => this.random.Next()).ToArray();
var info = new PlaylistInfo()
{
ShuffleOrder = order,
CurrentIndex = 0,
};
this.shuffles[playlist.Name] = info;
this.Save();
return info;
}
public PlaylistInfo GetInfo(Playlist playlist)
{
PlaylistInfo order;
if (this.shuffles.TryGetValue(playlist.Name, out order))
{
if (order.ShuffleOrder.Length == playlist.Tracks.Count)
{
return order;
}
}
return this.CreateNewShuffle(playlist);
}