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using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.FileOrganization;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.FileOrganization;
using MediaBrowser.Model.Logging;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Server.Implementations.FileOrganization
{
public class TvFolderOrganizer
{
private readonly ILibraryMonitor _libraryMonitor;
private readonly ILibraryManager _libraryManager;
private readonly ILogger _logger;
private readonly IFileSystem _fileSystem;
private readonly IFileOrganizationService _organizationService;
private readonly IServerConfigurationManager _config;
private readonly IProviderManager _providerManager;
public TvFolderOrganizer(ILibraryManager libraryManager, ILogger logger, IFileSystem fileSystem, ILibraryMonitor libraryMonitor, IFileOrganizationService organizationService, IServerConfigurationManager config, IProviderManager providerManager)
{
_libraryManager = libraryManager;
_logger = logger;
_fileSystem = fileSystem;
_libraryMonitor = libraryMonitor;
_organizationService = organizationService;
_config = config;
_providerManager = providerManager;
}
public async Task Organize(TvFileOrganizationOptions options, CancellationToken cancellationToken, IProgress<double> progress)
{
var minFileBytes = options.MinFileSizeMb * 1024 * 1024;
var watchLocations = options.WatchLocations.ToList();
var eligibleFiles = watchLocations.SelectMany(GetFilesToOrganize)
.OrderBy(_fileSystem.GetCreationTimeUtc)
.Where(i => _libraryManager.IsVideoFile(i.FullName) && i.Length >= minFileBytes)
.ToList();
progress.Report(10);
if (eligibleFiles.Count > 0)
{
var numComplete = 0;
foreach (var file in eligibleFiles)
{
var organizer = new EpisodeFileOrganizer(_organizationService, _config, _fileSystem, _logger, _libraryManager,
_libraryMonitor, _providerManager);
try
{
await organizer.OrganizeEpisodeFile(file.FullName, options, options.OverwriteExistingEpisodes, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error organizing episode {0}", ex, file);
}
numComplete++;
double percent = numComplete;
percent /= eligibleFiles.Count;
progress.Report(10 + (89 * percent));
}
}
cancellationToken.ThrowIfCancellationRequested();
progress.Report(99);
foreach (var path in watchLocations)
{
var deleteExtensions = options.LeftOverFileExtensionsToDelete
.Select(i => i.Trim().TrimStart('.'))
.Where(i => !string.IsNullOrEmpty(i))
.Select(i => "." + i)
.ToList();
if (deleteExtensions.Count > 0)
{
DeleteLeftOverFiles(path, deleteExtensions);
}
if (options.DeleteEmptyFolders)
{
foreach (var subfolder in GetDirectories(path).ToList())
{
DeleteEmptyFolders(subfolder);
}
}
}
progress.Report(100);
}
/// <summary>
/// Gets the directories.
/// </summary>
/// <param name="path">The path.</param>
/// <returns>IEnumerable{System.String}.</returns>
private IEnumerable<string> GetDirectories(string path)
{
try
{
return Directory
.EnumerateDirectories(path, "*", SearchOption.TopDirectoryOnly)
.ToList();
}
catch (IOException ex)
{
_logger.ErrorException("Error getting files from {0}", ex, path);
return new List<string>();
}
}
/// <summary>
/// Gets the files to organize.
/// </summary>
/// <param name="path">The path.</param>
/// <returns>IEnumerable{FileInfo}.</returns>
private IEnumerable<FileInfo> GetFilesToOrganize(string path)
{
try
{
return new DirectoryInfo(path)
.EnumerateFiles("*", SearchOption.AllDirectories)
.ToList();
}
catch (IOException ex)
{
_logger.ErrorException("Error getting files from {0}", ex, path);
return new List<FileInfo>();
}
}
/// <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
{
_fileSystem.DeleteFile(file.FullName);
}
catch (Exception 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
{
_logger.Debug("Deleting empty directory {0}", path);
Directory.Delete(path);
}
catch (UnauthorizedAccessException) { }
catch (DirectoryNotFoundException) { }
}
}
catch (UnauthorizedAccessException) { }
}
}
}
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