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Lidarr/NzbDrone.Core/Providers/MediaFileProvider.cs

210 lines
8.1 KiB

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using NLog;
using NzbDrone.Core.Providers.Core;
using NzbDrone.Core.Repository;
using SubSonic.Repository;
namespace NzbDrone.Core.Providers
{
public class MediaFileProvider
{
private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
private static readonly string[] MediaExtentions = new[] { ".mkv", ".avi", ".wmv", ".mp4" };
private readonly DiskProvider _diskProvider;
private readonly EpisodeProvider _episodeProvider;
private readonly SeriesProvider _seriesProvider;
private readonly SeasonProvider _seasonProvider;
private readonly IRepository _repository;
public MediaFileProvider(IRepository repository, DiskProvider diskProvider,
EpisodeProvider episodeProvider, SeriesProvider seriesProvider, SeasonProvider seasonProvider)
{
_repository = repository;
_diskProvider = diskProvider;
_episodeProvider = episodeProvider;
_seriesProvider = seriesProvider;
_seasonProvider = seasonProvider;
}
public MediaFileProvider() { }
/// <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)
{
var mediaFileList = GetMediaFileList(series.Path);
var fileList = new List<EpisodeFile>();
foreach (var filePath in mediaFileList)
{
var file = ImportFile(series, filePath);
if (file != null)
fileList.Add(file);
}
series.LastDiskSync = DateTime.Now;
_seriesProvider.UpdateSeries(series);
return fileList;
}
public virtual EpisodeFile ImportFile(Series series, string filePath)
{
Logger.Trace("Importing file to database [{0}]", filePath);
try
{
var size = _diskProvider.GetSize(filePath);
//If Size is less than 50MB 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;
}
//Check to see if file already exists in the database
if (!_repository.Exists<EpisodeFile>(e => e.Path == Parser.NormalizePath(filePath)))
{
var parseResult = Parser.ParseEpisodeInfo(filePath);
if (parseResult == null)
return null;
parseResult.CleanTitle = series.Title;//replaces the nasty path as title to help with logging
//Stores the list of episodes to add to the EpisodeFile
var episodes = new List<Episode>();
//Check for daily shows
if (parseResult.EpisodeNumbers == null)
{
var episode = _episodeProvider.GetEpisode(series.SeriesId, parseResult.AirDate.Date);
if (episode != null)
{
episodes.Add(episode);
}
else
{
Logger.Warn("Unable to find [{0}] in the database.[{1}]", parseResult, filePath);
}
}
else
{
foreach (var episodeNumber in parseResult.EpisodeNumbers)
{
var episode = _episodeProvider.GetEpisode(series.SeriesId, parseResult.SeasonNumber,
episodeNumber);
if (episode != null)
{
episodes.Add(episode);
}
else
{
Logger.Warn("Unable to find [{0}] in the database.[{1}]", parseResult, filePath);
}
}
}
//Return null if no Episodes exist in the DB for the parsed episodes from file
if (episodes.Count <= 0)
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;
var fileId = (int)_repository.Add(episodeFile);
//This is for logging + updating the episodes that are linked to this EpisodeFile
string episodeList = String.Empty;
foreach (var ep in episodes)
{
ep.EpisodeFileId = fileId;
_episodeProvider.UpdateEpisode(ep);
episodeList += String.Format(", {0}", ep.EpisodeId).Trim(' ', ',');
}
Logger.Trace("File {0}:{1} attached to episode(s): '{2}'", episodeFile.EpisodeFileId, filePath,
episodeList);
return episodeFile;
}
Logger.Trace("[{0}] already exists in the database. skipping.", filePath);
}
catch (Exception ex)
{
Logger.ErrorException("An error has occurred while importing file " + filePath, ex);
throw;
}
return null;
}
/// <summary>
/// Removes files that no longer exist from the database
/// </summary>
/// <param name = "files">list of files to verify</param>
public virtual void CleanUp(List<EpisodeFile> files)
{
//TODO: remove orphaned files. in files table but not linked to from episode table.
foreach (var episodeFile in files)
{
if (!_diskProvider.FileExists(episodeFile.Path))
{
Logger.Trace("File {0} no longer exists on disk. removing from database.", episodeFile.Path);
_repository.Delete<EpisodeFile>(episodeFile.EpisodeFileId);
}
}
}
public virtual void Update(EpisodeFile episodeFile)
{
_repository.Update(episodeFile);
}
public virtual EpisodeFile GetEpisodeFile(int episodeFileId)
{
return _repository.Single<EpisodeFile>(episodeFileId);
}
public virtual List<EpisodeFile> GetEpisodeFiles()
{
return _repository.All<EpisodeFile>().ToList();
}
public virtual IEnumerable<EpisodeFile> GetSeasonFiles(int seasonId)
{
return _seasonProvider.GetSeason(seasonId).Episodes.Where(c => c.EpisodeFile != null).Select(c => c.EpisodeFile);
}
public virtual IEnumerable<EpisodeFile> GetSeriesFiles(int seriesId)
{
return _seriesProvider.GetSeries(seriesId).Episodes.Where(c => c.EpisodeFile != null).Select(c => c.EpisodeFile);
}
private List<string> GetMediaFileList(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.Debug("{0} media files were found in {1}", mediaFileList.Count, path);
return mediaFileList;
}
}
}