mirror of https://github.com/Radarr/Radarr
242 lines
9.0 KiB
C#
242 lines
9.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using Ninject;
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using NLog;
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using NzbDrone.Core.Providers.Core;
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using NzbDrone.Core.Repository;
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using PetaPoco;
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namespace NzbDrone.Core.Providers
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{
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public class DiskScanProvider
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{
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private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
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private static readonly string[] MediaExtentions = new[] { ".mkv", ".avi", ".wmv", ".mp4" };
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private readonly IDatabase _database;
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private readonly DiskProvider _diskProvider;
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private readonly EpisodeProvider _episodeProvider;
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private readonly MediaFileProvider _mediaFileProvider;
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private readonly SeriesProvider _seriesProvider;
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[Inject]
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public DiskScanProvider(DiskProvider diskProvider, EpisodeProvider episodeProvider,
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SeriesProvider seriesProvider, MediaFileProvider mediaFileProvider,
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IDatabase database)
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{
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_diskProvider = diskProvider;
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_episodeProvider = episodeProvider;
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_seriesProvider = seriesProvider;
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_mediaFileProvider = mediaFileProvider;
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_database = database;
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}
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public DiskScanProvider()
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{
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}
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/// <summary>
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/// Scans the specified series folder for media files
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/// </summary>
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/// <param name = "series">The series to be scanned</param>
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public virtual List<EpisodeFile> Scan(Series series)
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{
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return Scan(series, series.Path);
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}
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/// <summary>
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/// Scans the specified series folder for media files
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/// </summary>
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/// <param name = "series">The series to be scanned</param>
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/// <param name="path">Path to scan</param>
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public virtual List<EpisodeFile> Scan(Series series, string path)
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{
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_mediaFileProvider.DeleteOrphaned();
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_mediaFileProvider.RepairLinks();
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if (_episodeProvider.GetEpisodeBySeries(series.SeriesId).Count == 0)
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{
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Logger.Debug("Series {0} has no episodes. skipping", series.Title);
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return new List<EpisodeFile>();
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}
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var seriesFile = _mediaFileProvider.GetSeriesFiles(series.SeriesId);
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CleanUp(seriesFile);
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var mediaFileList = GetVideoFiles(path);
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var importedFiles = new List<EpisodeFile>();
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foreach (var filePath in mediaFileList)
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{
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var file = ImportFile(series, filePath);
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if (file != null)
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importedFiles.Add(file);
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}
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series.LastDiskSync = DateTime.Now;
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_seriesProvider.UpdateSeries(series);
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return importedFiles;
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}
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public virtual EpisodeFile ImportFile(Series series, string filePath)
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{
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Logger.Trace("Importing file to database [{0}]", filePath);
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if (_database.Exists<EpisodeFile>("WHERE Path =@0", Parser.NormalizePath(filePath)))
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{
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Logger.Trace("[{0}] already exists in the database. skipping.", filePath);
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return null;
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}
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long size = _diskProvider.GetSize(filePath);
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//If Size is less than 40MB and contains sample. Check for Size to ensure its not an episode with sample in the title
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if (size < 40000000 && filePath.ToLower().Contains("sample"))
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{
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Logger.Trace("[{0}] appears to be a sample. skipping.", filePath);
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return null;
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}
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var parseResult = Parser.ParseEpisodeInfo(filePath);
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if (parseResult == null)
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return null;
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parseResult.CleanTitle = series.Title; //replaces the nasty path as title to help with logging
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//Stores the list of episodes to add to the EpisodeFile
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var episodes = new List<Episode>();
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//Check for daily shows
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if (parseResult.EpisodeNumbers == null)
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{
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var episode = _episodeProvider.GetEpisode(series.SeriesId, parseResult.AirDate.Date);
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if (episode != null)
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{
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episodes.Add(episode);
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}
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else
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{
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Logger.Warn("Unable to find [{0}] in the database.[{1}]", parseResult, filePath);
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}
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}
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else
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{
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foreach (var episodeNumber in parseResult.EpisodeNumbers)
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{
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var episode = _episodeProvider.GetEpisode(series.SeriesId, parseResult.SeasonNumber,
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episodeNumber);
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if (episode != null)
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{
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episodes.Add(episode);
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}
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else
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{
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Logger.Warn("Unable to find [{0}] in the database.[{1}]", parseResult, filePath);
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}
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}
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}
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//Return null if no Episodes exist in the DB for the parsed episodes from file
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if (episodes.Count <= 0)
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return null;
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if (episodes.Any(e => e.EpisodeFile != null && e.EpisodeFile.QualityWrapper > parseResult.Quality))
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{
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Logger.Info("File with better quality is already attached. skipping {0}", filePath);
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return null;
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}
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var episodeFile = new EpisodeFile();
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episodeFile.DateAdded = DateTime.Now;
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episodeFile.SeriesId = series.SeriesId;
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episodeFile.Path = Parser.NormalizePath(filePath);
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episodeFile.Size = size;
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episodeFile.Quality = parseResult.Quality.QualityType;
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episodeFile.Proper = parseResult.Quality.Proper;
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episodeFile.SeasonNumber = parseResult.SeasonNumber;
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int fileId = Convert.ToInt32(_database.Insert(episodeFile));
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//This is for logging + updating the episodes that are linked to this EpisodeFile
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string episodeList = String.Empty;
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foreach (var ep in episodes)
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{
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ep.EpisodeFileId = fileId;
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_episodeProvider.UpdateEpisode(ep);
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episodeList += String.Format(", {0}", ep.EpisodeId).Trim(' ', ',');
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}
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Logger.Trace("File {0}:{1} attached to episode(s): '{2}'", episodeFile.EpisodeFileId, filePath,
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episodeList);
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return episodeFile;
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}
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public virtual bool RenameEpisodeFile(EpisodeFile episodeFile)
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{
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if (episodeFile == null)
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throw new ArgumentNullException("episodeFile");
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var series = _seriesProvider.GetSeries(episodeFile.SeriesId);
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var episodes = _episodeProvider.GetEpisodesByFileId(episodeFile.EpisodeFileId);
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string newFileName = _mediaFileProvider.GetNewFilename(episodes, series.Title, episodeFile.Quality);
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var newFile = _mediaFileProvider.CalculateFilePath(series, episodes.First().SeasonNumber, newFileName, Path.GetExtension(episodeFile.Path));
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//Do the rename
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Logger.Trace("Attempting to rename {0} to {1}", episodeFile.Path, newFile.FullName);
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_diskProvider.RenameFile(episodeFile.Path, newFile.FullName);
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//Update the filename in the DB
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episodeFile.Path = newFile.FullName;
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_mediaFileProvider.Update(episodeFile);
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return true;
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}
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/// <summary>
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/// Removes files that no longer exist on disk from the database
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/// </summary>
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/// <param name = "files">list of files to verify</param>
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public virtual void CleanUp(IList<EpisodeFile> files)
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{
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foreach (var episodeFile in files)
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{
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if (!_diskProvider.FileExists(episodeFile.Path))
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{
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Logger.Trace("File {0} no longer exists on disk. removing from database.", episodeFile.Path);
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//Set the EpisodeFileId for each episode attached to this file to 0
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foreach (var episode in episodeFile.Episodes)
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{
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episode.EpisodeFileId = 0;
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_episodeProvider.UpdateEpisode(episode);
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}
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//Delete it from the DB
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_database.Delete<EpisodeFile>(episodeFile.EpisodeFileId);
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}
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}
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}
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private List<string> GetVideoFiles(string path)
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{
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Logger.Debug("Scanning '{0}' for episodes", path);
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var filesOnDisk = _diskProvider.GetFiles(path, "*.*", SearchOption.AllDirectories);
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var mediaFileList = filesOnDisk.Where(c => MediaExtentions.Contains(Path.GetExtension(c).ToLower())).ToList();
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Logger.Debug("{0} media files were found in {1}", mediaFileList.Count, path);
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return mediaFileList;
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}
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}
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} |