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Sonarr/NzbDrone.Core/Providers/MediaFileProvider.cs
2011-06-19 18:59:31 -07:00

397 lines
16 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Ninject;
using NLog;
using NzbDrone.Core.Helpers;
using NzbDrone.Core.Model.Notification;
using NzbDrone.Core.Providers.Core;
using NzbDrone.Core.Repository;
using NzbDrone.Core.Repository.Quality;
using PetaPoco;
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 ConfigProvider _configProvider;
private readonly IDatabase _database;
[Inject]
public MediaFileProvider(DiskProvider diskProvider, EpisodeProvider episodeProvider,
SeriesProvider seriesProvider, ConfigProvider configProvider,
IDatabase database)
{
_diskProvider = diskProvider;
_episodeProvider = episodeProvider;
_seriesProvider = seriesProvider;
_configProvider = configProvider;
_database = database;
}
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)
{
if (_episodeProvider.GetEpisodeBySeries(series.SeriesId).Count == 0)
{
Logger.Debug("Series {0} has no episodes. skipping", series.Title);
return new List<EpisodeFile>();
}
var mediaFileList = GetVideoFiles(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 (!_database.Exists<EpisodeFile>("Path =@0", 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;
episodeFile.SeasonNumber = parseResult.SeasonNumber;
var fileId = Convert.ToInt32(_database.Insert(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);
//Set the EpisodeFileId for each episode attached to this file to 0
foreach (var episode in episodeFile.Episodes)
{
episode.EpisodeFileId = 0;
_episodeProvider.UpdateEpisode(episode);
}
//Delete it from the DB
_database.Delete<EpisodeFile>(episodeFile.EpisodeFileId);
}
}
}
public virtual void Update(EpisodeFile episodeFile)
{
_database.Update(episodeFile);
}
public virtual EpisodeFile GetEpisodeFile(int episodeFileId)
{
return _database.Single<EpisodeFile>(episodeFileId);
}
public virtual List<EpisodeFile> GetEpisodeFiles()
{
return _database.Fetch<EpisodeFile>();
}
public virtual IList<EpisodeFile> GetSeriesFiles(int seriesId)
{
return _database.Fetch<EpisodeFile>("WHERE seriesId= @0", seriesId);
}
public virtual Tuple<int, int> GetEpisodeFilesCount(int seriesId)
{
var allEpisodes = _episodeProvider.GetEpisodeBySeries(seriesId).ToList();
var episodeTotal = allEpisodes.Where(e => !e.Ignored && e.AirDate <= DateTime.Today && e.AirDate.Year > 1900).ToList();
var avilableEpisodes = episodeTotal.Where(e => e.EpisodeFileId > 0).ToList();
return new Tuple<int, int>(avilableEpisodes.Count, episodeTotal.Count);
}
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.Debug("{0} media files were found in {1}", mediaFileList.Count, path);
return mediaFileList;
}
public virtual List<EpisodeFile> ImportNewFiles(string path, Series series)
{
var result = new List<EpisodeFile>();
//Get all the files except those that are considered samples
var files = GetVideoFiles(path).Where(f => _diskProvider.GetSize(f) > 40000000 || !f.ToLower().Contains("sample")).ToList();
foreach (var file in files)
{
try
{
//Parse the filename
var parseResult = Parser.ParseEpisodeInfo(Path.GetFileName(file));
parseResult.Series = series;
parseResult.Episodes = _episodeProvider.GetEpisodes(parseResult);
if (parseResult.Episodes.Count == 0)
{
Logger.Error("File '{0}' contains invalid episode information, skipping import", file);
continue;
}
var ext = _diskProvider.GetExtension(file);
var filename = GetNewFilename(parseResult.Episodes, series.Title, parseResult.Quality.QualityType) + ext;
var folder = series.Path + Path.DirectorySeparatorChar;
if (_configProvider.UseSeasonFolder)
folder += _configProvider.SeasonFolderFormat
.Replace("%0s", parseResult.SeasonNumber.ToString("00"))
.Replace("%s", parseResult.SeasonNumber.ToString())
+ Path.DirectorySeparatorChar;
_diskProvider.CreateDirectory(folder);
//Get a list of episodeFiles that we need to delete and cleanup
var episodeFilesToClean = new List<EpisodeFile>();
foreach (var episode in parseResult.Episodes)
{
if (episode.EpisodeFileId > 0)
episodeFilesToClean.Add(episode.EpisodeFile);
}
if (episodeFilesToClean.Count != episodeFilesToClean.Where(e => parseResult.Quality.QualityType >= e.Quality).Count())
{
Logger.Debug("Episode isn't an upgrade for all episodes in file: [{0}]. Skipping.", file);
continue;
}
//Delete the files and then cleanup!
foreach (var e in episodeFilesToClean)
{
if (_diskProvider.FileExists(e.Path))
_diskProvider.DeleteFile(e.Path);
}
CleanUp(episodeFilesToClean);
//Move the file
_diskProvider.RenameFile(file, folder + filename);
//Import into DB
result.Add(ImportFile(series, folder + filename));
}
catch (Exception ex)
{
Logger.WarnException("Error importing new download: " + file, ex);
}
}
//If we have imported all the non-sample files, delete the folder, requires a minimum of 1 file to be imported.
if (files.Count() > 0 && files.Count() == result.Count)
{
Logger.Debug("All non-sample files have been processed, deleting folder: {0}", path);
_diskProvider.DeleteFolder(path, true);
}
return result;
}
public virtual string GetNewFilename(IList<Episode> episodes, string seriesName, QualityTypes quality)
{
var separatorStyle = EpisodeSortingHelper.GetSeparatorStyle(_configProvider.SeparatorStyle);
var numberStyle = EpisodeSortingHelper.GetNumberStyle(_configProvider.NumberStyle);
var episodeNames = episodes[0].Title;
var result = String.Empty;
if (_configProvider.SeriesName)
{
result += seriesName + separatorStyle.Pattern;
}
result += numberStyle.Pattern.Replace("%0e", String.Format("{0:00}", episodes[0].EpisodeNumber));
if (episodes.Count > 1)
{
var multiEpisodeStyle = EpisodeSortingHelper.GetMultiEpisodeStyle(_configProvider.MultiEpisodeStyle);
foreach (var episode in episodes.OrderBy(e => e.EpisodeNumber).Skip(1))
{
if (multiEpisodeStyle.Name == "Duplicate")
{
result += separatorStyle.Pattern + numberStyle.Pattern;
}
else
{
result += multiEpisodeStyle.Pattern;
}
result = result.Replace("%0e", String.Format("{0:00}", episode.EpisodeNumber));
episodeNames += String.Format(" + {0}", episode.Title);
}
}
result = result
.Replace("%s", String.Format("{0}", episodes.First().SeasonNumber))
.Replace("%0s", String.Format("{0:00}", episodes.First().SeasonNumber))
.Replace("%x", numberStyle.EpisodeSeparator)
.Replace("%p", separatorStyle.Pattern);
if (_configProvider.EpisodeName)
{
episodeNames = episodeNames.TrimEnd(' ', '+');
result += separatorStyle.Pattern + episodeNames;
}
if (_configProvider.AppendQuality)
result += String.Format(" [{0}]", quality);
if (_configProvider.ReplaceSpaces)
result = result.Replace(' ', '.');
Logger.Debug("New File Name is: {0}", result.Trim());
return result.Trim();
}
public virtual bool RenameEpisodeFile(EpisodeFile episodeFile)
{
if (episodeFile == null)
throw new ArgumentNullException("episodeFile");
var series = _seriesProvider.GetSeries(episodeFile.SeriesId);
var folder = new FileInfo(episodeFile.Path).DirectoryName;
var ext = _diskProvider.GetExtension(episodeFile.Path);
var episodes = _episodeProvider.GetEpisodesByFileId(episodeFile.EpisodeFileId);
var newFileName = GetNewFilename(episodes, series.Title, episodeFile.Quality);
var newFile = folder + Path.DirectorySeparatorChar + newFileName + ext;
//Do the rename
_diskProvider.RenameFile(episodeFile.Path, newFile);
//Update the filename in the DB
episodeFile.Path = newFile;
Update(episodeFile);
return true;
}
}
}