public async Task ApplyMetadata(string filePath, string filename, Track metadata)
{
try
{
string fullPath = Path.Combine(filePath, filename);
using (MemoryStream modifiedFlac = new MemoryStream())
{
using (FileStream originalFile = File.Open(fullPath, FileMode.Open))
{
FlacFile flac = new FlacFile(originalFile);
string albumArtLocation = Path.Combine(filePath, $"{metadata.Album}{Path.GetExtension(metadata.AlbumArtUrl)}");
if (File.Exists(albumArtLocation))
{
_logger.LogInformation("Album art was discovered. Adding it to the flac.");
using (FileStream stream = File.Open(albumArtLocation, FileMode.Open))
{
flac.AddPicture(stream);
}
}
flac.VorbisComment.CommentList[VorbisCommentType.Title] = metadata?.Title;
flac.VorbisComment.CommentList[VorbisCommentType.TrackNumber] = metadata.TrackNumber?.ToString();
flac.VorbisComment.CommentList[VorbisCommentType.TrackTotal] = metadata.TrackTotal?.ToString();
flac.VorbisComment.CommentList[VorbisCommentType.Year] = metadata.Year;
flac.VorbisComment.CommentList[VorbisCommentType.Album] = metadata.Album;
flac.VorbisComment.CommentList[VorbisCommentType.Artist] = metadata.Artist;
flac.VorbisComment.CommentList[VorbisCommentType.Composer] = metadata.Composer;
flac.VorbisComment.CommentList[VorbisCommentType.Copyright] = metadata.Copyright;
flac.VorbisComment.CommentList[VorbisCommentType.DiscNumber] = metadata.DiscNumber?.ToString();
flac.VorbisComment.CommentList[VorbisCommentType.DiscTotal] = metadata.DiscTotal?.ToString();
flac.VorbisComment.CommentList[VorbisCommentType.Genre] = metadata.Genre;
flac.VorbisComment.CommentList[VorbisCommentType.Lyricist] = metadata.Lyricist;
flac.VorbisComment.CommentList[VorbisCommentType.Lyrics] = metadata.Lyrics;
await flac.SaveAsync(modifiedFlac);
}
modifiedFlac.Position = 0;
using (FileStream originalFile = File.Open(fullPath, FileMode.Create))
{
await modifiedFlac.CopyToAsync(originalFile);
}
}
}
catch (Exception e)
{
_logger.LogError(e, $"Failed to apply metadata.");
}
return;
}
public async Task TestBasicFlacFileFromStream()
{
var stream = await KnownFolders.MusicLibrary.GetFileAsync("test1.flac");
var png = await KnownFolders.MusicLibrary.GetFileAsync("300367.png");
var stream2 = await KnownFolders.MusicLibrary.CreateFileAsync("test2.flac", CreationCollisionOption.ReplaceExisting);
var file = new FlacFile(await stream.OpenStreamForWriteAsync());
file.AddPicture(PictureType.CoverFront, await png.OpenStreamForReadAsync());
file.VorbisComment.CommentList[VorbisCommentType.Album] = "test";
await file.SaveAsync(await stream2.OpenStreamForWriteAsync());
}