mirror of https://github.com/lidarr/Lidarr
297 lines
12 KiB
C#
297 lines
12 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using Ninject;
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using NLog;
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using NzbDrone.Common;
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using NzbDrone.Core.Model;
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using NzbDrone.Core.Providers.Core;
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using NzbDrone.Core.Repository;
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namespace NzbDrone.Core.Providers
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{
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public class DiskScanProvider
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{
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private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
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private static readonly string[] mediaExtentions = new[] { ".mkv", ".avi", ".wmv", ".mp4", ".mpg", ".mpeg", ".xvid", ".flv", ".mov", ".rm", ".rmvb", ".divx", ".dvr-ms", ".ts", ".ogm", ".m4v" };
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private readonly DiskProvider _diskProvider;
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private readonly EpisodeProvider _episodeProvider;
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private readonly MediaFileProvider _mediaFileProvider;
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private readonly SeriesProvider _seriesProvider;
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private readonly ExternalNotificationProvider _externalNotificationProvider;
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private readonly DownloadProvider _downloadProvider;
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private readonly SignalRProvider _signalRProvider;
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private readonly ConfigProvider _configProvider;
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[Inject]
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public DiskScanProvider(DiskProvider diskProvider, EpisodeProvider episodeProvider,
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SeriesProvider seriesProvider, MediaFileProvider mediaFileProvider,
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ExternalNotificationProvider externalNotificationProvider, DownloadProvider downloadProvider,
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SignalRProvider signalRProvider, ConfigProvider configProvider)
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{
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_diskProvider = diskProvider;
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_episodeProvider = episodeProvider;
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_seriesProvider = seriesProvider;
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_mediaFileProvider = mediaFileProvider;
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_externalNotificationProvider = externalNotificationProvider;
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_downloadProvider = downloadProvider;
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_signalRProvider = signalRProvider;
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_configProvider = configProvider;
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}
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public DiskScanProvider()
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{
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}
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/// <summary>
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/// Scans the specified series folder for media files
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/// </summary>
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/// <param name = "series">The series to be scanned</param>
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public virtual List<EpisodeFile> Scan(Series series)
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{
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return Scan(series, series.Path);
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}
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/// <summary>
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/// Scans the specified series folder for media files
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/// </summary>
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/// <param name = "series">The series to be scanned</param>
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/// <param name="path">Path to scan</param>
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public virtual List<EpisodeFile> Scan(Series series, string path)
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{
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_mediaFileProvider.CleanUpDatabase();
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if (!_diskProvider.FolderExists(path))
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{
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Logger.Warn("Series folder doesn't exist: {0}", path);
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return new List<EpisodeFile>();
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}
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if (_episodeProvider.GetEpisodeBySeries(series.SeriesId).Count == 0)
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{
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Logger.Debug("Series {0} has no episodes. skipping", series.Title);
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return new List<EpisodeFile>();
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}
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var seriesFile = _mediaFileProvider.GetSeriesFiles(series.SeriesId);
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CleanUp(seriesFile);
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var mediaFileList = GetVideoFiles(path);
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var importedFiles = new List<EpisodeFile>();
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foreach (var filePath in mediaFileList)
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{
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var file = ImportFile(series, filePath);
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if (file != null)
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{
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importedFiles.Add(file);
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}
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}
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series.LastDiskSync = DateTime.Now;
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_seriesProvider.UpdateSeries(series);
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return importedFiles;
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}
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public virtual EpisodeFile ImportFile(Series series, string filePath)
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{
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Logger.Trace("Importing file to database [{0}]", filePath);
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if (_mediaFileProvider.Exists(filePath))
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{
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Logger.Trace("[{0}] already exists in the database. skipping.", filePath);
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return null;
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}
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long size = _diskProvider.GetSize(filePath);
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//If Size is less than 40MB and contains sample. Check for Size to ensure its not an episode with sample in the title
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if (size < Constants.IgnoreFileSize && filePath.ToLower().Contains("sample"))
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{
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Logger.Trace("[{0}] appears to be a sample. skipping.", filePath);
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return null;
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}
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var parseResult = Parser.ParsePath(filePath);
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if (parseResult == null)
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return null;
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parseResult.SeriesTitle = series.Title; //replaces the nasty path as title to help with logging
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parseResult.Series = series;
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var episodes = _episodeProvider.GetEpisodesByParseResult(parseResult);
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if (episodes.Count <= 0)
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{
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Logger.Debug("Can't find any matching episodes in the database. Skipping {0}", filePath);
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return null;
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}
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//Make sure this file is an upgrade for ALL episodes already on disk
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if (episodes.All(e => e.EpisodeFile == null || e.EpisodeFile.QualityWrapper <= parseResult.Quality))
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{
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Logger.Debug("Deleting the existing file(s) on disk to upgrade to: {0}", filePath);
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//Do the delete for files where there is already an episode on disk
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episodes.Where(e => e.EpisodeFile != null).Select(e => e.EpisodeFile.Path).Distinct().ToList().ForEach(p => _diskProvider.DeleteFile(p));
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}
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else
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{
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//Skip this file because its not an upgrade
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Logger.Trace("This file isn't an upgrade for all episodes. Skipping {0}", filePath);
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return null;
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}
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var episodeFile = new EpisodeFile();
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episodeFile.DateAdded = DateTime.Now;
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episodeFile.SeriesId = series.SeriesId;
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episodeFile.Path = filePath.NormalizePath();
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episodeFile.Size = size;
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episodeFile.Quality = parseResult.Quality.QualityType;
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episodeFile.Proper = parseResult.Quality.Proper;
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episodeFile.SeasonNumber = parseResult.SeasonNumber;
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var fileId = _mediaFileProvider.Add(episodeFile);
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//Link file to all episodes
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foreach (var ep in episodes)
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{
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ep.EpisodeFileId = fileId;
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ep.PostDownloadStatus = PostDownloadStatusType.NoError;
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_episodeProvider.UpdateEpisode(ep);
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Logger.Debug("Linking [{0}] > [{1}]", filePath, ep);
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}
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return episodeFile;
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}
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public virtual bool MoveEpisodeFile(EpisodeFile episodeFile, bool newDownload = false)
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{
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if (episodeFile == null)
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throw new ArgumentNullException("episodeFile");
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var series = _seriesProvider.GetSeries(episodeFile.SeriesId);
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var episodes = _episodeProvider.GetEpisodesByFileId(episodeFile.EpisodeFileId);
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string newFileName = _mediaFileProvider.GetNewFilename(episodes, series.Title, episodeFile.Quality, episodeFile.Proper);
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var newFile = _mediaFileProvider.CalculateFilePath(series, episodes.First().SeasonNumber, newFileName, Path.GetExtension(episodeFile.Path));
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//Only rename if existing and new filenames don't match
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if (DiskProvider.PathEquals(episodeFile.Path, newFile.FullName))
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{
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Logger.Debug("Skipping file rename, source and destination are the same: {0}", episodeFile.Path);
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return false;
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}
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_diskProvider.CreateDirectory(newFile.DirectoryName);
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Logger.Debug("Moving [{0}] > [{1}]", episodeFile.Path, newFile.FullName);
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_diskProvider.MoveFile(episodeFile.Path, newFile.FullName);
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_diskProvider.InheritFolderPermissions(newFile.FullName);
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episodeFile.Path = newFile.FullName;
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_mediaFileProvider.Update(episodeFile);
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var parseResult = Parser.ParsePath(episodeFile.Path);
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parseResult.Series = series;
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parseResult.Quality = new Quality{ QualityType = episodeFile.Quality, Proper = episodeFile.Proper };
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var message = _downloadProvider.GetDownloadTitle(parseResult);
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if (newDownload)
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{
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_externalNotificationProvider.OnDownload(message, series);
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foreach(var episode in episodes)
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_signalRProvider.UpdateEpisodeStatus(episode.EpisodeId, EpisodeStatusType.Ready, parseResult.Quality);
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}
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else
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{
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_externalNotificationProvider.OnRename(message, series);
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}
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return true;
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}
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/// <summary>
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/// Removes files that no longer exist on disk from the database
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/// </summary>
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/// <param name = "files">list of files to verify</param>
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public virtual void CleanUp(IList<EpisodeFile> files)
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{
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foreach (var episodeFile in files)
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{
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try
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{
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if(!_diskProvider.FileExists(episodeFile.Path))
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{
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Logger.Trace("File [{0}] no longer exists on disk. removing from db", episodeFile.Path);
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//Set the EpisodeFileId for each episode attached to this file to 0
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foreach(var episode in _episodeProvider.GetEpisodesByFileId(episodeFile.EpisodeFileId))
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{
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Logger.Trace("Setting EpisodeFileId for Episode: [{0}] to 0", episode.EpisodeId);
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episode.EpisodeFileId = 0;
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episode.Ignored = _configProvider.AutoIgnorePreviouslyDownloadedEpisodes;
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episode.GrabDate = null;
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episode.PostDownloadStatus = PostDownloadStatusType.Unknown;
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_episodeProvider.UpdateEpisode(episode);
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}
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//Delete it from the DB
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Logger.Trace("Removing EpisodeFile from DB.");
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_mediaFileProvider.Delete(episodeFile.EpisodeFileId);
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}
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}
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catch (Exception ex)
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{
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var message = String.Format("Unable to cleanup EpisodeFile in DB: {0}", episodeFile.EpisodeFileId);
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Logger.ErrorException(message, ex);
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}
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}
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}
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public virtual void CleanUpDropFolder(string path)
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{
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//Todo: We should rename files before importing them to prevent this issue from ever happening
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var filesOnDisk = GetVideoFiles(path);
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foreach(var file in filesOnDisk)
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{
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try
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{
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var episodeFile = _mediaFileProvider.GetFileByPath(file);
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if (episodeFile != null)
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{
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Logger.Trace("[{0}] was imported but not moved, moving it now", file);
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MoveEpisodeFile(episodeFile, true);
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}
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}
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catch (Exception ex)
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{
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Logger.WarnException("Failed to move epiosde file from drop folder: " + file, ex);
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throw;
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}
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}
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}
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private List<string> GetVideoFiles(string path)
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{
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Logger.Debug("Scanning '{0}' for video files", path);
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var filesOnDisk = _diskProvider.GetFiles(path, SearchOption.AllDirectories);
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var mediaFileList = filesOnDisk.Where(c => mediaExtentions.Contains(Path.GetExtension(c).ToLower())).ToList();
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Logger.Trace("{0} video files were found in {1}", mediaFileList.Count, path);
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return mediaFileList;
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}
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}
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} |