public void TestSongInfoMerging(string title1, string artist1, string title2, string artist2, bool greedy,
string newTitle, string newArtists)
{
const char splitChar = '~';
var songInfo1 = new SongInfo {
Title = title1, Artists = artist1.Split(splitChar)
};
var songInfo2 = new SongInfo {
Title = title2, Artists = artist2.Split(splitChar)
};
var merged = new SongInfoMerger().Merge(songInfo1, songInfo2, greedy);
Assert.AreEqual(newTitle, merged.Title);
CollectionAssert.AreEqual(newArtists.Split(splitChar), merged.Artists);
}
private static void Main(string[] args)
{
var logRepository = LogManager.GetRepository(Assembly.GetEntryAssembly());
XmlConfigurator.Configure(logRepository, new FileInfo("log4net.config"));
var scheduler = new TelegramScheduler(new Executor(8, new ExternalSourceComparer()),
File.ReadAllText("telegram.token"));
var pipelineBuilder = new DataPipelineBuilder();
var extractor = new SongInfoExtractor(false);
GeniusSongInfoFetcher genius = null;
try {
string apiKey = null;
if (File.Exists("genius.token"))
{
apiKey = File.ReadAllText("genius.token");
}
genius = new GeniusSongInfoFetcher(apiKey);
}
catch (ArgumentException) {} // will be thrown if no token could be found
if (genius == null)
{
Log.Warn("Neither a genius.token file nor the corresponding environmental variable has been set. -Skipping genius");
}
var merger = new SongInfoMerger(); // a class that can merge multiple SongInfo instances
pipelineBuilder.Append(new LambdaProcessor(source =>
{
// load already stored ID3-tags (if any) from the specified file
var originalInfo = SongInfo.ReadFromFile(source.FileInfo.FullName);
// try to parse the filename and extract the title, and artist(s)
var parsedInfo = extractor.ExtractFromString(source.FileName);
// merge the metadata but ensure that they are (probably) identical
// greedy ensures that null values are overridden
originalInfo = merger.Merge(originalInfo, parsedInfo, greedy: true);
if (genius != null) // if a genius client is available
// search for the info on genius
{
parsedInfo = genius.ExtractAsyncTask(originalInfo).GetAwaiter().GetResult();
// since the fetched result could be completely different, non-greedy merging is important
originalInfo = merger.Merge(originalInfo, parsedInfo, greedy: false);
}
originalInfo.WriteToFile(source.FileInfo.FullName); // write new metadata back
return(source);
}));
// Move the finished files into the downloads folder
pipelineBuilder.Append(new SourceMover("/downloads", keepName: true));
scheduler.Add(pipelineBuilder);
scheduler.Start();
scheduler.Join();
}