Lidarr/NzbDrone.Core/Providers/MediaFileProvider.cs

173 lines
6.5 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using NLog;
using NzbDrone.Core.Model;
using NzbDrone.Core.Repository;
using SubSonic.Repository;
namespace NzbDrone.Core.Providers
{
public class MediaFileProvider : IMediaFileProvider
{
private readonly IRepository _repository;
private readonly IConfigProvider _configProvider;
private readonly IDiskProvider _diskProvider;
private readonly IEpisodeProvider _episodeProvider;
private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
private static readonly string[] MediaExtentions = new[] { "*.mkv", "*.avi", "*.wmv" };
public MediaFileProvider(IRepository repository, IConfigProvider _configProvider, IDiskProvider diskProvider, IEpisodeProvider episodeProvider)
{
_repository = repository;
this._configProvider = _configProvider;
_diskProvider = diskProvider;
_episodeProvider = episodeProvider;
}
/// <summary>
/// Scans the specified series folder for media files
/// </summary>
/// <param name="series">The series to be scanned</param>
public void Scan(Series series)
{
var mediaFileList = GetMediaFileList(series.Path);
foreach (var filePath in mediaFileList)
{
ImportFile(series, filePath);
}
}
public EpisodeFile ImportFile(Series series, string filePath)
{
Logger.Trace("Importing file to database [{0}]", filePath);
if (!_repository.Exists<EpisodeFile>(e => e.Path == Parser.NormalizePath(filePath)))
{
var episodesInFile = Parser.ParseEpisodeInfo(filePath);
//Stores the list of episodes to add to the EpisodeFile
var episodes = new List<Episode>();
foreach (var parsedEpisode in episodesInFile)
{
EpisodeParseResult closureEpisode = parsedEpisode;
var episode = _episodeProvider.GetEpisode(series.SeriesId, closureEpisode.SeasonNumber,
closureEpisode.EpisodeNumber);
if (episode != null)
{
episodes.Add(episode);
}
else
Logger.Warn("Unable to find Series:{0} Season:{1} Episode:{2} in the database. File:{3}", series.Title, closureEpisode.SeasonNumber, closureEpisode.EpisodeNumber, filePath);
}
//Return null if no Episodes exist in the DB for the parsed episodes from file
if (episodes.Count < 1)
return null;
var episodeFile = new EpisodeFile();
episodeFile.DateAdded = DateTime.Now;
episodeFile.SeriesId = series.SeriesId;
episodeFile.Path = Parser.NormalizePath(filePath);
episodeFile.Size = _diskProvider.GetSize(filePath);
episodeFile.Quality = Parser.ParseQuality(filePath);
episodeFile.Proper = Parser.ParseProper(filePath);
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);
return null;
}
/// <summary>
/// Removes files that no longer exist from the database
/// </summary>
/// <param name="files">list of files to verify</param>
public void CleanUp(List<EpisodeFile> files)
{
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);
}
}
}
public string GenerateEpisodePath(EpisodeModel episode)
{
var episodeNamePattern = _configProvider.EpisodeNameFormat;
episodeNamePattern = episodeNamePattern.Replace("{series}", "{0}");
episodeNamePattern = episodeNamePattern.Replace("{episode", "{1");
episodeNamePattern = episodeNamePattern.Replace("{season", "{2");
episodeNamePattern = episodeNamePattern.Replace("{title}", "{3}");
episodeNamePattern = episodeNamePattern.Replace("{quality}", "{4}");
return String.Format(episodeNamePattern, episode.SeriesTitle, episode.EpisodeNumber, episode.SeasonNumber, episode.EpisodeTitle, episode.Quality);
}
public void DeleteFromDb(int fileId)
{
_repository.Delete<EpisodeFile>(fileId);
}
public void DeleteFromDisk(int fileId, string path)
{
_diskProvider.DeleteFile(path);
_repository.Delete<EpisodeFile>(fileId);
}
public void Update(EpisodeFile episodeFile)
{
_repository.Update(episodeFile);
}
public EpisodeFile GetEpisodeFile(int episodeFileId)
{
return _repository.Single<EpisodeFile>(episodeFileId);
}
public List<EpisodeFile> GetEpisodeFiles()
{
return _repository.All<EpisodeFile>().ToList();
}
private List<string> GetMediaFileList(string path)
{
Logger.Debug("Scanning '{0}' for episodes", path);
var mediaFileList = new List<string>();
foreach (var ext in MediaExtentions)
{
mediaFileList.AddRange(_diskProvider.GetFiles(path, ext, SearchOption.AllDirectories));
}
Logger.Trace("{0} media files were found in {1}", mediaFileList.Count, path);
return mediaFileList;
}
}
}