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113 lines
4.5 KiB
113 lines
4.5 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.Metadata.Files;
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using NzbDrone.Core.Extras.Subtitles;
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using NzbDrone.Core.MediaFiles.EpisodeImport.Aggregation;
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using NzbDrone.Core.Parser.Model;
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using NzbDrone.Core.Tv;
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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 IAggregationService _aggregationService;
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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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IAggregationService aggregationService,
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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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_aggregationService = aggregationService;
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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(Series series, List<string> filesOnDisk, List<string> importedFiles, string fileNameBeforeRename)
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{
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_logger.Debug("Looking for existing metadata in {0}", series.Path);
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var metadataFiles = new List<MetadataFile>();
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var filterResult = FilterAndClean(series, filesOnDisk, importedFiles, fileNameBeforeRename is not null);
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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 (SubtitleFileExtensions.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(series, 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.EpisodeImage ||
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metadata.Type == MetadataType.EpisodeMetadata)
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{
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var localEpisode = new LocalEpisode
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{
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FileEpisodeInfo = Parser.Parser.ParsePath(possibleMetadataFile),
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Series = series,
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Path = possibleMetadataFile
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};
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try
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{
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_aggregationService.Augment(localEpisode, null);
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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 (localEpisode.Episodes.Empty())
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{
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_logger.Debug("Cannot find related episodes for: {0}", possibleMetadataFile);
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continue;
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}
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if (localEpisode.Episodes.DistinctBy(e => e.EpisodeFileId).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.SeasonNumber = localEpisode.SeasonNumber;
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metadata.EpisodeFileId = localEpisode.Episodes.First().EpisodeFileId;
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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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