IMix FromJsonMix(JsonMix jsonMix, string filename)
{
IEnumerable<Tuple<Track, double>> tracks = jsonMix
.Items.Select(i => Tuple.Create(GetOrCreateTrack(i), i.PlaybackSpeed));
return mixFactory.Create(tracks, filename);
}
public async Task WriteAsync(IMix mix, string filename)
{
if (mix == null) throw new ArgumentNullException("mix");
if (String.IsNullOrWhiteSpace(filename))
throw new ArgumentException("Invalid filename.", "filename");
var jsonMix = new JsonMix
{
Items = mix.Select(ToJsonItem).ToList(),
Comment = FormatComment()
};
try
{
Log.DebugFormat("Saving mix {0} ({1} tracks)...", filename, mix.Count);
long numberOfBytesWritten;
using (FileStream file = File.Open(filename, FileMode.Create, FileAccess.Write))
using (var writer = new StreamWriter(file))
{
string json = await JsonConvert.SerializeObjectAsync(
jsonMix, GlobalJsonSettings.Formatting, GlobalJsonSettings.Settings);
await writer.WriteAsync(json);
numberOfBytesWritten = file.Position;
}
Log.DebugFormat("Mix saved successfully ({0} bytes).", numberOfBytesWritten);
}
catch (Exception e)
{
Log.Error(String.Format("Error saving mix {0}.", filename), e);
}
}
