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93 lines
3.6 KiB
93 lines
3.6 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.Disk;
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using NzbDrone.Common.Extensions;
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using NzbDrone.Core.MediaFiles;
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using NzbDrone.Core.MediaFiles.Events;
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using NzbDrone.Core.Messaging.Events;
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using NzbDrone.Core.Metadata.Files;
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using NzbDrone.Core.Parser;
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namespace NzbDrone.Core.Metadata
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{
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public class ExistingMetadataService : IHandle<SeriesScannedEvent>
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{
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private readonly IDiskProvider _diskProvider;
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private readonly IMetadataFileService _metadataFileService;
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private readonly IParsingService _parsingService;
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private readonly Logger _logger;
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private readonly List<IMetadata> _consumers;
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public ExistingMetadataService(IDiskProvider diskProvider,
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IEnumerable<IMetadata> consumers,
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IMetadataFileService metadataFileService,
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IParsingService parsingService,
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Logger logger)
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{
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_diskProvider = diskProvider;
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_metadataFileService = metadataFileService;
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_parsingService = parsingService;
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_logger = logger;
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_consumers = consumers.ToList();
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}
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public void Handle(SeriesScannedEvent message)
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{
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if (!_diskProvider.FolderExists(message.Series.Path)) return;
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_logger.Debug("Looking for existing metadata in {0}", message.Series.Path);
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var filesOnDisk = _diskProvider.GetFiles(message.Series.Path, SearchOption.AllDirectories);
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var possibleMetadataFiles = filesOnDisk.Where(c => !MediaFileExtensions.Extensions.Contains(Path.GetExtension(c).ToLower()) &&
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!c.StartsWith(Path.Combine(message.Series.Path, "EXTRAS"))).ToList();
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var filteredFiles = _metadataFileService.FilterExistingFiles(possibleMetadataFiles, message.Series);
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var metadataFiles = new List<MetadataFile>();
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foreach (var possibleMetadataFile in filteredFiles)
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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(message.Series, possibleMetadataFile);
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if (metadata == null) continue;
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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 = _parsingService.GetLocalEpisode(possibleMetadataFile, message.Series);
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if (localEpisode == null)
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{
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_logger.Debug("Unable to parse meta data file: {0}", possibleMetadataFile);
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break;
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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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break;
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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("Metadata file: {0} does not match existing files.", possibleMetadataFile);
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break;
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}
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metadata.EpisodeFileId = localEpisode.Episodes.First().EpisodeFileId;
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}
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metadataFiles.Add(metadata);
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}
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}
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_metadataFileService.Upsert(metadataFiles);
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}
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}
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}
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