private void OnDoWork(object sender, DoWorkEventArgs e)
{
backgroundWorker.ReportProgress(0, "Initialising parser");
var songParser = new SongParser();
backgroundWorker.ReportProgress(10, "Enumerating files");
var files = Directory.EnumerateFiles(musicDirectory, "*", System.IO.SearchOption.AllDirectories)
.Where(x => new[] { ".aac", ".flac", ".mp3", ".ogg", ".wav", ".wma" }.Contains(Path.GetExtension(x)))
.ToImmutableList();
backgroundWorker.ReportProgress(40, "Parsing songs");
var parsedSongs = songParser.ParseSongs(files);
backgroundWorker.ReportProgress(70, $"Picking songs from {parsedSongs.Count} found songs");
var songPicker = new SongPicker(playlistSize, artistAndSongSpacing);
var pickedSongs = songPicker.PickSongs(parsedSongs);
backgroundWorker.ReportProgress(100, "Finished picking songs");
e.Result = pickedSongs;
}
public void Tests()
{
const int PlaylistSize = 500;
const int ArtistAndSongSpacing = 100;
var paths = Examples.GetAll();
var songParser = new SongParser();
var songs = songParser.ParseSongs(paths);
for (var i = 0; i < 1; i++)
{
var songPicker = new SongPicker(PlaylistSize, ArtistAndSongSpacing);
var pickedSongs = songPicker.PickSongs(songs);
Assert.That(pickedSongs.Count, Is.EqualTo(PlaylistSize));
var artists = new Queue <string>();
var names = new Queue <string>();
foreach (var song in pickedSongs)
{
Assert.That(artists.Contains(song.Artist), Is.False);
Assert.That(names.Contains(song.Name), Is.False);
artists.Enqueue(song.Artist);
names.Enqueue(song.Name);
if (artists.Count > ArtistAndSongSpacing)
{
artists.Dequeue();
}
if (names.Count > ArtistAndSongSpacing)
{
names.Dequeue();
}
}
}
}
static void Main(string[] args)
{
// documentation https://github.com/anthonyreilly/ConsoleArgs/
var app = new CommandLineApplication();
// This should be the name of the executable itself.
// the help text line "Usage: ConsoleArgs" uses this
app.Name = "Playlist generator for DirEttore (.dpl files)";
app.Description = $"Program to generate long playlists for the DirEttore software based on a directory structure.";
app.ExtendedHelpText = $"{Environment.NewLine}This app can generate playlists for the DirEttore software which observe a distance between artists and songs played.{Environment.NewLine}Only files with an .mp3 extension will be considered for the playlist.";
app.HelpOption("-?|-h|--help");
app.VersionOption("-v|--version", () => {
return(string.Format("Version {0}", Assembly.GetEntryAssembly().GetCustomAttribute <AssemblyInformationalVersionAttribute>().InformationalVersion));
});
var musicDirectory = app.Option("-d|--directory <musicdirectory>",
"Required, this needs to point to the directory that is being searched for mp3 files",
CommandOptionType.SingleValue);
var outputOption = app.Option("-o|--output <playlistoutput>",
$"Optional, if specified this will be the file to which the new playlist will be written, needs to end in .dpl. If not specified a random file name will be generated.",
CommandOptionType.SingleValue);
var playListSizeOption = app.Option("-ps|--size <playlistsize>",
$"Optional, this will determine the size of the playlist to generate, set to {DefaultPlaylistSize} by default.",
CommandOptionType.SingleValue);
var artistSongSpacingOption = app.Option("-as|--spacing <artistsongspacing>",
$"Optional, this will determine the distance observed between artists and songs, set to {DefaultArtistSongSpacing} by default.",
CommandOptionType.SingleValue);
app.OnExecute(() =>
{
// TODO: add sweepers directory option
// TODO: add option to define pattern (JINGLE / SWEEPERS / MUSIC, etc.)
var outputFileName = outputOption.HasValue() ? outputOption.Value() : $"{Path.GetFileNameWithoutExtension(Path.GetRandomFileName())}.dpl";
if (!musicDirectory.HasValue() || string.IsNullOrWhiteSpace(musicDirectory.Value()))
{
Console.Error.WriteLine("The directory from which songs are sourced needs to be specified.");
app.ShowHint();
return(-1);
}
if (outputOption.HasValue() && Path.GetExtension(outputOption.Value()) != ".dpl")
{
Console.Error.WriteLine("The output filename needs to end in '.dpl'.");
app.ShowHint();
return(-1);
}
int playListSize = DefaultPlaylistSize;
if (playListSizeOption.HasValue() && !int.TryParse(playListSizeOption.Value(), out playListSize))
{
Console.Error.WriteLine("Invalid playlist size specified.");
app.ShowHint();
return(-1);
}
int artistSongSpacing = DefaultArtistSongSpacing;
if (artistSongSpacingOption.HasValue() && !int.TryParse(artistSongSpacingOption.Value(), out artistSongSpacing))
{
Console.Error.WriteLine("Invalid artist and song spacing specified.");
app.ShowHint();
return(-1);
}
Console.WriteLine("Source of music files: {0}", musicDirectory.Value());
Console.WriteLine("Playlist to write to: {0}", outputFileName);
Console.WriteLine("Searching for mp3 files...");
var allFiles = Directory.EnumerateFiles(musicDirectory.Value(), "*.mp3", SearchOption.AllDirectories).ToArray();
Console.WriteLine($"Found {allFiles.Length} to consider for playlist generation.");
var songParser = new SongParser();
Console.WriteLine($"Splitting mp3 files into artist and song name...");
var songs = songParser.ParseSongs(allFiles);
Console.WriteLine($"Generating playlist of size {playListSize} and not repeating artist or song name for the last {artistSongSpacing} songs.");
var songPicker = new SongPicker(playListSize, artistSongSpacing);
var pickedSongs = songPicker.PickSongs(songs);
Console.WriteLine($"Saving {pickedSongs.Count} songs to directory {outputFileName}.");
var enc1252 = CodePagesEncodingProvider.Instance.GetEncoding(1252);
using (var writer = new StreamWriter(outputFileName, false, enc1252))
{
var songPersister = new SongPersister();
songPersister.PersistSongs(writer, pickedSongs);
}
Console.WriteLine($"Saving finished.");
return(0);
});
try
{
Console.WriteLine("Executing Playlist generator...");
app.Execute(args);
}
catch (Exception ex)
{
Console.WriteLine();
Console.Error.WriteLine("ERROR: {0}", ex.Message);
}
}
