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Lidarr/NzbDrone.Core/Providers/DiskScanProvider.cs

207 lines
7.7 KiB

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Ninject;
using NLog;
using NzbDrone.Core.Providers.Core;
using NzbDrone.Core.Repository;
using PetaPoco;
namespace NzbDrone.Core.Providers
{
public class DiskScanProvider
{
private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
private static readonly string[] MediaExtentions = new[] { ".mkv", ".avi", ".wmv", ".mp4", ".mpg", ".mpeg", ".xvid", ".flv", ".mov", ".vob", ".ts", ".rm", ".rmvb", ".xvid", ".dvr-ms" };
private readonly DiskProvider _diskProvider;
private readonly EpisodeProvider _episodeProvider;
private readonly MediaFileProvider _mediaFileProvider;
private readonly SeriesProvider _seriesProvider;
[Inject]
public DiskScanProvider(DiskProvider diskProvider, EpisodeProvider episodeProvider,
SeriesProvider seriesProvider, MediaFileProvider mediaFileProvider)
{
_diskProvider = diskProvider;
_episodeProvider = episodeProvider;
_seriesProvider = seriesProvider;
_mediaFileProvider = mediaFileProvider;
}
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)
{
_mediaFileProvider.DeleteOrphaned();
_mediaFileProvider.RepairLinks();
if (_episodeProvider.GetEpisodeBySeries(series.SeriesId).Count == 0)
{
Logger.Debug("Series {0} has no episodes. skipping", series.Title);
return new List<EpisodeFile>();
}
var seriesFile = _mediaFileProvider.GetSeriesFiles(series.SeriesId);
CleanUp(seriesFile);
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);
}
series.LastDiskSync = DateTime.Now;
_seriesProvider.UpdateSeries(series);
return importedFiles;
}
public virtual EpisodeFile ImportFile(Series series, string filePath)
{
Logger.Trace("Importing file to database [{0}]", filePath);
if (_mediaFileProvider.Exists(filePath))
{
Logger.Trace("[{0}] already exists in the database. skipping.", filePath);
return null;
}
long size = _diskProvider.GetSize(filePath);
//If Size is less than 40MB and contains sample. Check for Size to ensure its not an episode with sample in the title
if (size < 40000000 && filePath.ToLower().Contains("sample"))
{
Logger.Trace("[{0}] appears to be a sample. skipping.", filePath);
return null;
}
var parseResult = Parser.ParsePath(filePath);
if (parseResult == null)
return null;
parseResult.CleanTitle = series.Title; //replaces the nasty path as title to help with logging
parseResult.Series = series;
var episodes = _episodeProvider.GetEpisodesByParseResult(parseResult);
if (episodes.Count <= 0)
{
Logger.Debug("Can't find any matching episodes in the database. skipping. {0}", filePath);
return null;
}
if (episodes.Any(e => e.EpisodeFile != null && e.EpisodeFile.QualityWrapper > parseResult.Quality))
{
Logger.Trace("File with better quality is already attached. skipping {0}", filePath);
return null;
}
var episodeFile = new EpisodeFile();
episodeFile.DateAdded = DateTime.Now;
episodeFile.SeriesId = series.SeriesId;
episodeFile.Path = Parser.NormalizePath(filePath);
episodeFile.Size = size;
episodeFile.Quality = parseResult.Quality.QualityType;
episodeFile.Proper = parseResult.Quality.Proper;
episodeFile.SeasonNumber = parseResult.SeasonNumber;
var fileId = _mediaFileProvider.Add(episodeFile);
//Link file to all episodes
foreach (var ep in episodes)
{
ep.EpisodeFileId = fileId;
_episodeProvider.UpdateEpisode(ep);
Logger.Debug("Linking [{0}] > [{1}]", filePath, ep);
}
return episodeFile;
}
public virtual bool MoveEpisodeFile(EpisodeFile episodeFile)
{
if (episodeFile == null)
throw new ArgumentNullException("episodeFile");
var series = _seriesProvider.GetSeries(episodeFile.SeriesId);
var episodes = _episodeProvider.GetEpisodesByFileId(episodeFile.EpisodeFileId);
string newFileName = _mediaFileProvider.GetNewFilename(episodes, series.Title, episodeFile.Quality);
var newFile = _mediaFileProvider.CalculateFilePath(series, episodes.First().SeasonNumber, newFileName, Path.GetExtension(episodeFile.Path));
//Ensure the folder Exists before trying to move it (No error is thrown if the folder already exists)
_diskProvider.CreateDirectory(newFile.DirectoryName);
//Do the rename
Logger.Debug("Moving [{0}] > [{1}]", episodeFile.Path, newFile.FullName);
_diskProvider.MoveFile(episodeFile.Path, newFile.FullName);
//Update the filename in the DB
episodeFile.Path = newFile.FullName;
_mediaFileProvider.Update(episodeFile);
return true;
}
/// <summary>
/// Removes files that no longer exist on disk from the database
/// </summary>
/// <param name = "files">list of files to verify</param>
public virtual void CleanUp(IList<EpisodeFile> files)
{
foreach (var episodeFile in files)
{
if (!_diskProvider.FileExists(episodeFile.Path))
{
Logger.Trace("File [{0}] no longer exists on disk. removing from db", episodeFile.Path);
//Set the EpisodeFileId for each episode attached to this file to 0
foreach (var episode in _episodeProvider.GetEpisodesByFileId(episodeFile.EpisodeFileId))
{
episode.EpisodeFileId = 0;
_episodeProvider.UpdateEpisode(episode);
}
//Delete it from the DB
_mediaFileProvider.Delete(episodeFile.EpisodeFileId);
}
}
}
private List<string> GetVideoFiles(string path)
{
Logger.Debug("Scanning '{0}' for episodes", path);
var filesOnDisk = _diskProvider.GetFiles(path, SearchOption.AllDirectories);
var mediaFileList = filesOnDisk.Where(c => MediaExtentions.Contains(Path.GetExtension(c).ToLower())).ToList();
Logger.Trace("{0} video files were found in {1}", mediaFileList.Count, path);
return mediaFileList;
}
}
}