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126 lines
5.0 KiB
126 lines
5.0 KiB
using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using NLog;
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using NzbDrone.Common.Extensions;
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using NzbDrone.Core.Extras.Files;
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using NzbDrone.Core.Extras.Lyrics;
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using NzbDrone.Core.Extras.Metadata.Files;
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using NzbDrone.Core.MediaFiles.TrackImport.Aggregation;
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using NzbDrone.Core.Music;
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using NzbDrone.Core.Parser;
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using NzbDrone.Core.Parser.Model;
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namespace NzbDrone.Core.Extras.Metadata
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{
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public class ExistingMetadataImporter : ImportExistingExtraFilesBase<MetadataFile>
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{
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private readonly IExtraFileService<MetadataFile> _metadataFileService;
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private readonly IParsingService _parsingService;
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private readonly IAugmentingService _augmentingService;
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private readonly Logger _logger;
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private readonly List<IMetadata> _consumers;
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public ExistingMetadataImporter(IExtraFileService<MetadataFile> metadataFileService,
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IEnumerable<IMetadata> consumers,
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IParsingService parsingService,
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IAugmentingService augmentingService,
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Logger logger)
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: base(metadataFileService)
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{
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_metadataFileService = metadataFileService;
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_parsingService = parsingService;
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_augmentingService = augmentingService;
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_logger = logger;
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_consumers = consumers.ToList();
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}
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public override int Order => 0;
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public override IEnumerable<ExtraFile> ProcessFiles(Artist artist, List<string> filesOnDisk, List<string> importedFiles)
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{
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_logger.Debug("Looking for existing metadata in {0}", artist.Path);
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var metadataFiles = new List<MetadataFile>();
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var filterResult = FilterAndClean(artist, filesOnDisk, importedFiles);
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foreach (var possibleMetadataFile in filterResult.FilesOnDisk)
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{
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// Don't process files that have known Subtitle file extensions (saves a bit of unnecessary processing)
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if (LyricFileExtensions.Extensions.Contains(Path.GetExtension(possibleMetadataFile)))
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{
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continue;
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}
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foreach (var consumer in _consumers)
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{
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var metadata = consumer.FindMetadataFile(artist, possibleMetadataFile);
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if (metadata == null)
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{
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continue;
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}
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if (metadata.Type == MetadataType.AlbumImage || metadata.Type == MetadataType.AlbumMetadata)
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{
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var localAlbum = _parsingService.GetLocalAlbum(possibleMetadataFile, artist);
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if (localAlbum == null)
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{
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_logger.Debug("Extra file folder has multiple Albums: {0}", possibleMetadataFile);
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continue;
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}
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metadata.AlbumId = localAlbum.Id;
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}
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if (metadata.Type == MetadataType.TrackMetadata)
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{
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var localTrack = new LocalTrack
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{
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FileTrackInfo = Parser.Parser.ParseMusicPath(possibleMetadataFile),
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Artist = artist,
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Path = possibleMetadataFile
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};
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try
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{
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_augmentingService.Augment(localTrack, false);
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}
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catch (AugmentingFailedException)
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{
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_logger.Debug("Unable to parse extra file: {0}", possibleMetadataFile);
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continue;
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}
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if (localTrack.Tracks.Empty())
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{
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_logger.Debug("Cannot find related tracks for: {0}", possibleMetadataFile);
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continue;
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}
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if (localTrack.Tracks.DistinctBy(e => e.TrackFileId).Count() > 1)
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{
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_logger.Debug("Extra file: {0} does not match existing files.", possibleMetadataFile);
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continue;
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}
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metadata.TrackFileId = localTrack.Tracks.First().TrackFileId;
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}
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metadata.Extension = Path.GetExtension(possibleMetadataFile);
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metadataFiles.Add(metadata);
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}
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}
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_logger.Info("Found {0} existing metadata files", metadataFiles.Count);
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_metadataFileService.Upsert(metadataFiles);
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// Return files that were just imported along with files that were
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// previously imported so previously imported files aren't imported twice
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return metadataFiles.Concat(filterResult.PreviouslyImported);
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}
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}
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}
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