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using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Controller.Resolvers;
using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
namespace MediaBrowser.Server.Implementations.FileSorting
{
public class TvFileSorter
{
private readonly ILibraryManager _libraryManager;
private readonly ILogger _logger;
public TvFileSorter(ILibraryManager libraryManager, ILogger logger)
{
_libraryManager = libraryManager;
_logger = logger;
}
public void Sort(string path, FileSortingOptions options)
{
var minFileBytes = options.MinFileSizeMb * 1024 * 1024;
var eligibleFiles = new DirectoryInfo(path)
.EnumerateFiles("*", SearchOption.AllDirectories)
.Where(i => EntityResolutionHelper.IsVideoFile(i.FullName) && i.Length >= minFileBytes)
.ToList();
if (eligibleFiles.Count == 0)
{
// Nothing to do
return;
}
var allSeries = _libraryManager.RootFolder
.RecursiveChildren.OfType<Series>()
.Where(i => i.LocationType == LocationType.FileSystem)
.ToList();
foreach (var file in eligibleFiles)
{
SortFile(file.FullName, options, allSeries);
}
if (options.LeftOverFileExtensionsToDelete.Length > 0)
{
DeleteLeftOverFiles(path, options.LeftOverFileExtensionsToDelete);
}
if (options.DeleteEmptyFolders)
{
DeleteEmptyFolders(path);
}
}
private void SortFile(string path, FileSortingOptions options, IEnumerable<Series> allSeries)
{
_logger.Info("Sorting file {0}", path);
var seriesName = TVUtils.GetSeriesNameFromEpisodeFile(path);
if (!string.IsNullOrEmpty(seriesName))
{
var season = TVUtils.GetSeasonNumberFromEpisodeFile(path);
if (season.HasValue)
{
// Passing in true will include a few extra regex's
var episode = TVUtils.GetEpisodeNumberFromFile(path, true);
if (episode.HasValue)
{
_logger.Debug("Extracted information from {0}. Series name {1}, Season {2}, Episode {3}", path, seriesName, season, episode);
SortFile(path, seriesName, season.Value, episode.Value, options, allSeries);
}
else
{
_logger.Warn("Unable to determine episode number from {0}", path);
}
}
else
{
_logger.Warn("Unable to determine season number from {0}", path);
}
}
else
{
_logger.Warn("Unable to determine series name from {0}", path);
}
}
private void SortFile(string path, string seriesName, int seasonNumber, int episodeNumber, FileSortingOptions options, IEnumerable<Series> allSeries)
{
var series = GetMatchingSeries(seriesName, allSeries);
if (series == null)
{
_logger.Warn("Unable to find series in library matching name {0}", seriesName);
return;
}
_logger.Info("Sorting file {0} into series {1}", path, series.Path);
// Proceed to sort the file
}
private Series GetMatchingSeries(string seriesName, IEnumerable<Series> allSeries)
{
int? yearInName;
var nameWithoutYear = seriesName;
NameParser.ParseName(nameWithoutYear, out nameWithoutYear, out yearInName);
return allSeries.Select(i => GetMatchScore(nameWithoutYear, yearInName, i))
.Where(i => i.Item2 > 0)
.OrderByDescending(i => i.Item2)
.Select(i => i.Item1)
.FirstOrDefault();
}
private Tuple<Series, int> GetMatchScore(string sortedName, int? year, Series series)
{
var score = 0;
// TODO: Improve this
if (string.Equals(sortedName, series.Name, StringComparison.OrdinalIgnoreCase))
{
score++;
if (year.HasValue)
{
if (series.ProductionYear.HasValue && year.Value == series.ProductionYear.Value)
{
score++;
}
}
}
return new Tuple<Series, int>(series, score);
}
/// <summary>
/// Deletes the left over files.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="extensions">The extensions.</param>
private void DeleteLeftOverFiles(string path, IEnumerable<string> extensions)
{
var eligibleFiles = new DirectoryInfo(path)
.EnumerateFiles("*", SearchOption.AllDirectories)
.Where(i => extensions.Contains(i.Extension, StringComparer.OrdinalIgnoreCase))
.ToList();
foreach (var file in eligibleFiles)
{
try
{
File.Delete(file.FullName);
}
catch (IOException ex)
{
_logger.ErrorException("Error deleting file {0}", ex, file.FullName);
}
}
}
/// <summary>
/// Deletes the empty folders.
/// </summary>
/// <param name="path">The path.</param>
private void DeleteEmptyFolders(string path)
{
try
{
foreach (var d in Directory.EnumerateDirectories(path))
{
DeleteEmptyFolders(d);
}
var entries = Directory.EnumerateFileSystemEntries(path);
if (!entries.Any())
{
try
{
Directory.Delete(path);
}
catch (UnauthorizedAccessException) { }
catch (DirectoryNotFoundException) { }
}
}
catch (UnauthorizedAccessException) { }
}
}
}
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