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using System;
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using System.Collections.Generic;
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using System.IO;
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using NLog;
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using NzbDrone.Common;
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using NzbDrone.Common.Extensions;
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using NzbDrone.Core.Tv;
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namespace NzbDrone.Core.MediaFiles
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{
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public interface IMediaFileTableCleanupService
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{
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void Clean(Series series, List<string> filesOnDisk);
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}
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public class MediaFileTableCleanupService : IMediaFileTableCleanupService
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{
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private readonly IMediaFileService _mediaFileService;
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private readonly IEpisodeService _episodeService;
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private readonly Logger _logger;
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public MediaFileTableCleanupService(IMediaFileService mediaFileService,
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IEpisodeService episodeService,
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Logger logger)
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{
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_mediaFileService = mediaFileService;
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_episodeService = episodeService;
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_logger = logger;
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}
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public void Clean(Series series, List<string> filesOnDisk)
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{
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var seriesFiles = _mediaFileService.GetFilesBySeries(series.Id);
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var episodes = _episodeService.GetEpisodeBySeries(series.Id);
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var filesOnDiskKeys = new HashSet<string>(filesOnDisk, PathEqualityComparer.Instance);
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foreach (var seriesFile in seriesFiles)
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{
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var episodeFile = seriesFile;
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var episodeFilePath = Path.Combine(series.Path, episodeFile.RelativePath);
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try
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{
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if (!filesOnDiskKeys.Contains(episodeFilePath))
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{
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_logger.Debug("File [{0}] no longer exists on disk, removing from db", episodeFilePath);
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_mediaFileService.Delete(seriesFile, DeleteMediaFileReason.MissingFromDisk);
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continue;
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}
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if (episodes.None(e => e.EpisodeFileId == episodeFile.Id))
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{
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_logger.Debug("File [{0}] is not assigned to any episodes, removing from db", episodeFilePath);
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_mediaFileService.Delete(episodeFile, DeleteMediaFileReason.NoLinkedEpisodes);
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continue;
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}
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// var localEpsiode = _parsingService.GetLocalEpisode(episodeFile.Path, series);
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//
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// if (localEpsiode == null || episodes.Count != localEpsiode.Episodes.Count)
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// {
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// _logger.Debug("File [{0}] parsed episodes has changed, removing from db", episodeFile.Path);
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// _mediaFileService.Delete(episodeFile);
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// continue;
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// }
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}
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catch (Exception ex)
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{
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var errorMessage = string.Format("Unable to cleanup EpisodeFile in DB: {0}", episodeFile.Id);
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_logger.Error(ex, errorMessage);
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}
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}
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foreach (var e in episodes)
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{
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var episode = e;
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if (episode.EpisodeFileId > 0 && seriesFiles.None(f => f.Id == episode.EpisodeFileId))
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{
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episode.EpisodeFileId = 0;
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_episodeService.UpdateEpisode(episode);
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}
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}
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}
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}
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}
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