private bool ContainsMusic(
IEnumerable <FileSystemMetadata> list,
bool allowSubfolders,
IDirectoryService directoryService,
ILogger <MusicAlbumResolver> logger,
IFileSystem fileSystem,
ILibraryManager libraryManager)
{
// check for audio files before digging down into directories
var foundAudioFile = list.Any(fileSystemInfo => !fileSystemInfo.IsDirectory && libraryManager.IsAudioFile(fileSystemInfo.FullName));
if (foundAudioFile)
{
// at least one audio file exists
return(true);
}
if (!allowSubfolders)
{
// not music since no audio file exists and we're not looking into subfolders
return(false);
}
var discSubfolderCount = 0;
var namingOptions = ((LibraryManager)_libraryManager).GetNamingOptions();
var parser = new AlbumParser(namingOptions);
var directories = list.Where(fileSystemInfo => fileSystemInfo.IsDirectory);
var result = Parallel.ForEach(directories, (fileSystemInfo, state) =>
{
var path = fileSystemInfo.FullName;
var hasMusic = ContainsMusic(directoryService.GetFileSystemEntries(path), false, directoryService, logger, fileSystem, libraryManager);
if (hasMusic)
{
if (parser.IsMultiPart(path))
{
logger.LogDebug("Found multi-disc folder: " + path);
Interlocked.Increment(ref discSubfolderCount);
}
else
{
// If there are folders underneath with music that are not multidisc, then this can't be a multi-disc album
state.Stop();
}
}
});
if (!result.IsCompleted)
{
return(false);
}
return(discSubfolderCount > 0);
}
private bool IsMultiDiscAlbumFolder(string path)
{
var parser = new AlbumParser(new NamingOptions());
return(parser.IsMultiPart(path));
}
/// <summary>
/// Determine if the supplied list contains what we should consider music.
/// </summary>
private bool ContainsMusic(
IEnumerable <FileSystemMetadata> list,
bool allowSubfolders,
IDirectoryService directoryService,
ILogger logger,
IFileSystem fileSystem,
ILibraryManager libraryManager)
{
var discSubfolderCount = 0;
var notMultiDisc = false;
var namingOptions = ((LibraryManager)_libraryManager).GetNamingOptions();
var parser = new AlbumParser(namingOptions);
foreach (var fileSystemInfo in list)
{
if (fileSystemInfo.IsDirectory)
{
if (allowSubfolders)
{
if (notMultiDisc)
{
continue;
}
var path = fileSystemInfo.FullName;
var hasMusic = ContainsMusic(directoryService.GetFileSystemEntries(path), false, directoryService, logger, fileSystem, libraryManager);
if (hasMusic)
{
if (parser.IsMultiPart(path))
{
logger.LogDebug("Found multi-disc folder: " + path);
discSubfolderCount++;
}
else
{
// If there are folders underneath with music that are not multidisc, then this can't be a multi-disc album
notMultiDisc = true;
}
}
}
}
else
{
var fullName = fileSystemInfo.FullName;
if (libraryManager.IsAudioFile(fullName))
{
return(true);
}
}
}
if (notMultiDisc)
{
return(false);
}
return(discSubfolderCount > 0);
}
public void AlbumParser_MultidiscPath_Identifies(string path, bool result)
{
var parser = new AlbumParser(_namingOptions);
Assert.Equal(result, parser.IsMultiPart(path));
}