Sonarr/NzbDrone.Core/MediaFiles/DiskScanService.cs

167 lines
6.2 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using NLog;
using NzbDrone.Common;
using NzbDrone.Common.Messaging;
using NzbDrone.Core.MediaFiles.Commands;
using NzbDrone.Core.Parser;
using NzbDrone.Core.Providers;
using NzbDrone.Core.Tv;
using NzbDrone.Core.Tv.Events;
namespace NzbDrone.Core.MediaFiles
{
public interface IDiskScanService
{
EpisodeFile ImportFile(Series series, string filePath);
string[] GetVideoFiles(string path, bool allDirectories = true);
}
public class DiskScanService : IDiskScanService, IExecute<DiskScanCommand>, IHandle<EpisodeInfoAddedEvent>
{
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 IDiskProvider _diskProvider;
private readonly ISeriesService _seriesService;
private readonly IMediaFileService _mediaFileService;
private readonly IVideoFileInfoReader _videoFileInfoReader;
private readonly IParsingService _parsingService;
private readonly IMessageAggregator _messageAggregator;
public DiskScanService(IDiskProvider diskProvider, ISeriesService seriesService, IMediaFileService mediaFileService, IVideoFileInfoReader videoFileInfoReader,
IParsingService parsingService, IMessageAggregator messageAggregator)
{
_diskProvider = diskProvider;
_seriesService = seriesService;
_mediaFileService = mediaFileService;
_videoFileInfoReader = videoFileInfoReader;
_parsingService = parsingService;
_messageAggregator = messageAggregator;
}
private void Scan(Series series)
{
if (!_diskProvider.FolderExists(series.Path))
{
Logger.Warn("Series folder doesn't exist: {0}", series.Path);
return;
}
_messageAggregator.PublishCommand(new CleanMediaFileDb(series.Id));
var mediaFileList = GetVideoFiles(series.Path);
foreach (var filePath in mediaFileList)
{
try
{
ImportFile(series, filePath);
}
catch (Exception e)
{
Logger.ErrorException("Couldn't import file " + filePath, e);
}
}
//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)
}
public 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 parsedEpisode = _parsingService.GetEpisodes(filePath, series);
if (parsedEpisode == null || !parsedEpisode.Episodes.Any())
{
return null;
}
var size = _diskProvider.GetFileSize(filePath);
if (series.SeriesType == SeriesTypes.Daily || parsedEpisode.SeasonNumber > 0)
{
var runTime = _videoFileInfoReader.GetRunTime(filePath);
if (size < Constants.IgnoreFileSize && runTime.TotalMinutes < 3)
{
Logger.Trace("[{0}] appears to be a sample. skipping.", filePath);
return null;
}
}
if (parsedEpisode.Episodes.Any(e => e.EpisodeFileId != 0 && e.EpisodeFile.Value.Quality > parsedEpisode.Quality))
{
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.CleanPath();
episodeFile.Size = size;
episodeFile.Quality = parsedEpisode.Quality;
episodeFile.SeasonNumber = parsedEpisode.SeasonNumber;
episodeFile.SceneName = Path.GetFileNameWithoutExtension(filePath.CleanPath());
episodeFile.Episodes = parsedEpisode.Episodes;
//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);
return episodeFile;
}
public 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.ToArray();
}
public void Execute(DiskScanCommand message)
{
var seriesToScan = new List<Series>();
if (message.SeriesId.HasValue)
{
seriesToScan.Add(_seriesService.GetSeries(message.SeriesId.Value));
}
else
{
seriesToScan.AddRange(_seriesService.GetAllSeries());
}
foreach (var series in seriesToScan)
{
try
{
Scan(series);
}
catch (Exception e)
{
Logger.ErrorException("Diskscan failed for " + series.Title, e);
}
}
}
public void Handle(EpisodeInfoAddedEvent message)
{
Scan(message.Series);
}
}
}