public AudioFileViewModel(ITaggedAudioFile audioFile)
{
AudioFile = audioFile;
Metadata = new(audioFile.Metadata);
Metadata.PropertyChanged += (_, e) =>
{
if (e.PropertyName != null && e.PropertyName.Equals("Modified", StringComparison.Ordinal))
{
RevertCommand !.RaiseCanExecuteChanged();
}
};
SaveCommand = new(() =>
{
AudioFile.SaveMetadata(
ContainerLocator.Current.Resolve <IMetadataSettingService>()
[IO.Path.GetExtension(Path).TrimStart('.')]);
Metadata.UpdateModel(AudioFile.Metadata);
});
RevertCommand = new(() =>
{
AudioFile.LoadMetadata();
Metadata.UpdateModel(AudioFile.Metadata);
}, () => Metadata.Modified);
}
public FileInfo Extract([NotNull] ITaggedAudioFile audioFile)
{
if (audioFile == null)
{
throw new ArgumentNullException(nameof(audioFile));
}
if (audioFile.Metadata.CoverArt == null)
{
return(null);
}
// The output directory defaults to the AudioFile's current directory
var outputDirectory = _encodedDirectoryName?.ReplaceWith(audioFile.Metadata) ??
Path.GetDirectoryName(audioFile.Path);
// ReSharper disable once AssignNullToNotNullAttribute
var outputDirectoryInfo = Directory.CreateDirectory(outputDirectory);
// The output file names default to the input file names
var outputFileName = _encodedFileName?.ReplaceWith(audioFile.Metadata) ??
Path.GetFileNameWithoutExtension(audioFile.Path);
var result = new FileInfo(Path.Combine(outputDirectoryInfo.FullName,
outputFileName + audioFile.Metadata.CoverArt.FileExtension));
using (var fileStream = result.Open(Overwrite ? FileMode.Create : FileMode.CreateNew, FileAccess.Write))
{
#if NETSTANDARD2_0
var data = audioFile.Metadata.CoverArt.Data;
fileStream.Write(data.ToArray(), 0, data.Length);
#else
fileStream.Write(audioFile.Metadata.CoverArt.Data);
#endif
}
return(result);
}
