public override IEnumerable <ExtraFile> ProcessFiles(Author author, List <string> filesOnDisk, List <string> importedFiles)
{
_logger.Debug("Looking for existing metadata in {0}", author.Path);
var metadataFiles = new List <MetadataFile>();
var filterResult = FilterAndClean(author, filesOnDisk, importedFiles);
foreach (var possibleMetadataFile in filterResult.FilesOnDisk)
{
foreach (var consumer in _consumers)
{
var metadata = consumer.FindMetadataFile(author, possibleMetadataFile);
if (metadata == null)
{
continue;
}
if (metadata.Type == MetadataType.BookImage || metadata.Type == MetadataType.BookMetadata)
{
var localBook = _parsingService.GetLocalBook(possibleMetadataFile, author);
if (localBook == null)
{
_logger.Debug("Extra file folder has multiple Books: {0}", possibleMetadataFile);
continue;
}
metadata.BookId = localBook.Id;
}
if (metadata.Type == MetadataType.BookMetadata)
{
var localTrack = new LocalBook
{
FileTrackInfo = Parser.Parser.ParseMusicPath(possibleMetadataFile),
Author = author,
Path = possibleMetadataFile
};
try
{
_augmentingService.Augment(localTrack, false);
}
catch (AugmentingFailedException)
{
_logger.Debug("Unable to parse extra file: {0}", possibleMetadataFile);
continue;
}
if (localTrack.Book == null)
{
_logger.Debug("Cannot find related book for: {0}", possibleMetadataFile);
continue;
}
}
metadata.Extension = Path.GetExtension(possibleMetadataFile);
metadataFiles.Add(metadata);
}
}
_logger.Info("Found {0} existing metadata files", metadataFiles.Count);
_metadataFileService.Upsert(metadataFiles);
// Return files that were just imported along with files that were
// previously imported so previously imported files aren't imported twice
return(metadataFiles.Concat(filterResult.PreviouslyImported));
}
