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Sonarr/NzbDrone.Core/Providers/DiskScanProvider.cs
2013-03-25 23:19:51 -07:00

219 lines
8.5 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using NLog;
using NzbDrone.Common;
using NzbDrone.Core.MediaFiles;
using NzbDrone.Core.Tv;
using NzbDrone.Core.Model;
namespace NzbDrone.Core.Providers
{
public class DiskScanProvider
{
private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
private static readonly string[] MediaExtensions = new[] { ".mkv", ".avi", ".wmv", ".mp4", ".mpg", ".mpeg", ".xvid", ".flv", ".mov", ".rm", ".rmvb", ".divx", ".dvr-ms", ".ts", ".ogm", ".m4v", ".strm" };
private readonly DiskProvider _diskProvider;
private readonly IEpisodeService _episodeService;
private readonly ICleanGhostFiles _ghostFileCleaner;
private readonly IMediaFileService _mediaFileService;
private readonly RecycleBinProvider _recycleBinProvider;
private readonly MediaInfoProvider _mediaInfoProvider;
private readonly ISeriesRepository _seriesRepository;
private readonly IMoveEpisodeFiles _moveEpisodeFiles;
public DiskScanProvider(DiskProvider diskProvider, IEpisodeService episodeService, ICleanGhostFiles ghostFileCleaner, IMediaFileService mediaFileService,
RecycleBinProvider recycleBinProvider, MediaInfoProvider mediaInfoProvider, ISeriesRepository seriesRepository, IMoveEpisodeFiles moveEpisodeFiles)
{
_diskProvider = diskProvider;
_episodeService = episodeService;
_ghostFileCleaner = ghostFileCleaner;
_mediaFileService = mediaFileService;
_recycleBinProvider = recycleBinProvider;
_mediaInfoProvider = mediaInfoProvider;
_seriesRepository = seriesRepository;
_moveEpisodeFiles = moveEpisodeFiles;
}
public DiskScanProvider()
{
}
/// <summary>
/// Scans the specified series folder for media files
/// </summary>
/// <param name = "series">The series to be scanned</param>
public virtual List<EpisodeFile> Scan(Series series)
{
return Scan(series, series.Path);
}
/// <summary>
/// Scans the specified series folder for media files
/// </summary>
/// <param name = "series">The series to be scanned</param>
/// <param name="path">Path to scan</param>
public virtual List<EpisodeFile> Scan(Series series, string path)
{
if (!_diskProvider.FolderExists(path))
{
Logger.Warn("Series folder doesn't exist: {0}", path);
return new List<EpisodeFile>();
}
if (_episodeService.GetEpisodeBySeries(series.Id).Count == 0)
{
Logger.Debug("Series {0} has no episodes. skipping", series.Title);
return new List<EpisodeFile>();
}
_ghostFileCleaner.RemoveNonExistingFiles(series.Id);
var mediaFileList = GetVideoFiles(path);
var importedFiles = new List<EpisodeFile>();
foreach (var filePath in mediaFileList)
{
var file = ImportFile(series, filePath);
if (file != null)
{
importedFiles.Add(file);
}
}
//Todo: Find the "best" episode file for all found episodes and import that one
//Todo: Move the episode linking to here, instead of import (or rename import)
series.LastDiskSync = DateTime.Now;
_seriesRepository.Update(series);
return importedFiles;
}
public virtual EpisodeFile ImportFile(Series series, string filePath)
{
Logger.Trace("Importing file to database [{0}]", filePath);
if (_mediaFileService.Exists(filePath))
{
Logger.Trace("[{0}] already exists in the database. skipping.", filePath);
return null;
}
var parseResult = Parser.ParsePath(filePath);
if (parseResult == null)
return null;
var size = _diskProvider.GetSize(filePath);
var runTime = _mediaInfoProvider.GetRunTime(filePath);
if (series.SeriesType == SeriesTypes.Daily || parseResult.SeasonNumber > 0)
{
if (size < Constants.IgnoreFileSize && runTime < 180)
{
Logger.Trace("[{0}] appears to be a sample. skipping.", filePath);
return null;
}
}
if (!_diskProvider.IsChildOfPath(filePath, series.Path))
parseResult.SceneSource = true;
parseResult.SeriesTitle = series.Title; //replaces the nasty path as title to help with logging
parseResult.Series = series;
var episodes = _episodeService.GetEpisodesByParseResult(parseResult);
if (episodes.Count <= 0)
{
Logger.Debug("Can't find any matching episodes in the database. Skipping {0}", filePath);
return null;
}
//Make sure this file is an upgrade for ALL episodes already on disk
if (episodes.All(e => e.EpisodeFile == null || e.EpisodeFile.QualityModel <= parseResult.Quality))
{
Logger.Debug("Deleting the existing file(s) on disk to upgrade to: {0}", filePath);
//Do the delete for files where there is already an episode on disk
episodes.Where(e => e.EpisodeFile != null).Select(e => e.EpisodeFile.Path).Distinct().ToList().ForEach(p => _recycleBinProvider.DeleteFile(p));
}
else
{
//Skip this file because its not an upgrade
Logger.Trace("This file isn't an upgrade for all episodes. Skipping {0}", filePath);
return null;
}
var episodeFile = new EpisodeFile();
episodeFile.DateAdded = DateTime.Now;
episodeFile.SeriesId = series.Id;
episodeFile.Path = filePath.NormalizePath();
episodeFile.Size = size;
episodeFile.Quality = parseResult.Quality.Quality;
episodeFile.Proper = parseResult.Quality.Proper;
episodeFile.SeasonNumber = parseResult.SeasonNumber;
episodeFile.SceneName = Path.GetFileNameWithoutExtension(filePath.NormalizePath());
episodeFile.ReleaseGroup = parseResult.ReleaseGroup;
//Todo: We shouldn't actually import the file until we confirm its the only one we want.
//Todo: Separate episodeFile creation from importing (pass file to import to import)
_mediaFileService.Add(episodeFile);
//Link file to all episodes
foreach (var ep in episodes)
{
ep.EpisodeFile = episodeFile;
ep.PostDownloadStatus = PostDownloadStatusType.NoError;
_episodeService.UpdateEpisode(ep);
Logger.Debug("Linking [{0}] > [{1}]", filePath, ep);
}
return episodeFile;
}
public virtual void CleanUpDropFolder(string path)
{
//Todo: We should rename files before importing them to prevent this issue from ever happening
var filesOnDisk = GetVideoFiles(path);
foreach (var file in filesOnDisk)
{
try
{
var episodeFile = _mediaFileService.GetFileByPath(file);
if (episodeFile != null)
{
Logger.Trace("[{0}] was imported but not moved, moving it now", file);
_moveEpisodeFiles.MoveEpisodeFile(episodeFile, true);
}
}
catch (Exception ex)
{
Logger.WarnException("Failed to move epiosde file from drop folder: " + file, ex);
throw;
}
}
}
public virtual List<string> GetVideoFiles(string path, bool allDirectories = true)
{
Logger.Debug("Scanning '{0}' for video files", path);
var searchOption = allDirectories ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
var filesOnDisk = _diskProvider.GetFiles(path, searchOption);
var mediaFileList = filesOnDisk.Where(c => MediaExtensions.Contains(Path.GetExtension(c).ToLower())).ToList();
Logger.Trace("{0} video files were found in {1}", mediaFileList.Count, path);
return mediaFileList;
}
}
}