using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Controller.Collections;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Playlists;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Globalization;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Tasks;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.ScheduledTasks.Tasks;
///
/// Deletes path references from collections and playlists that no longer exists.
///
public class CleanupCollectionAndPlaylistPathsTask : IScheduledTask
{
private readonly ILocalizationManager _localization;
private readonly ICollectionManager _collectionManager;
private readonly IPlaylistManager _playlistManager;
private readonly ILogger _logger;
private readonly IProviderManager _providerManager;
private readonly IFileSystem _fileSystem;
///
/// Initializes a new instance of the class.
///
/// Instance of the interface.
/// Instance of the interface.
/// Instance of the interface.
/// The logger.
/// The provider manager.
/// The filesystem.
public CleanupCollectionAndPlaylistPathsTask(
ILocalizationManager localization,
ICollectionManager collectionManager,
IPlaylistManager playlistManager,
ILogger logger,
IProviderManager providerManager,
IFileSystem fileSystem)
{
_localization = localization;
_collectionManager = collectionManager;
_playlistManager = playlistManager;
_logger = logger;
_providerManager = providerManager;
_fileSystem = fileSystem;
}
///
public string Name => _localization.GetLocalizedString("TaskCleanCollectionsAndPlaylists");
///
public string Key => "CleanCollectionsAndPlaylists";
///
public string Description => _localization.GetLocalizedString("TaskCleanCollectionsAndPlaylistsDescription");
///
public string Category => _localization.GetLocalizedString("TasksMaintenanceCategory");
///
public async Task ExecuteAsync(IProgress progress, CancellationToken cancellationToken)
{
var collectionsFolder = await _collectionManager.GetCollectionsFolder(false).ConfigureAwait(false);
if (collectionsFolder is null)
{
_logger.LogDebug("There is no collection folder to be found");
}
else
{
var collections = collectionsFolder.Children.OfType().ToArray();
_logger.LogDebug("Found {CollectionLength} boxsets", collections.Length);
for (var index = 0; index < collections.Length; index++)
{
var collection = collections[index];
_logger.LogDebug("Checking boxset {CollectionName}", collection.Name);
CleanupLinkedChildren(collection, cancellationToken);
progress.Report(50D / collections.Length * (index + 1));
}
}
var playlistsFolder = _playlistManager.GetPlaylistsFolder();
if (playlistsFolder is null)
{
_logger.LogDebug("There is no collection folder to be found");
return;
}
var playlists = playlistsFolder.Children.OfType().ToArray();
_logger.LogDebug("Found {PlaylistLength} boxsets", playlists.Length);
for (var index = 0; index < playlists.Length; index++)
{
var playlist = playlists[index];
_logger.LogDebug("Checking playlist {PlaylistName}", playlist.Name);
CleanupLinkedChildren(playlist, cancellationToken);
progress.Report(50D / playlists.Length * (index + 1));
}
}
private void CleanupLinkedChildren(T folder, CancellationToken cancellationToken) where T : Folder
{
var itemsToRemove = new List();
foreach (var linkedChild in folder.LinkedChildren)
{
if (!File.Exists(folder.Path))
{
_logger.LogInformation("Item in {FolderName} cannot be found at {ItemPath}", folder.Name, linkedChild.Path);
itemsToRemove.Add(linkedChild);
}
}
if (itemsToRemove.Count != 0)
{
_logger.LogDebug("Updating {FolderName}", folder.Name);
folder.LinkedChildren = folder.LinkedChildren.Except(itemsToRemove).ToArray();
folder.UpdateToRepositoryAsync(ItemUpdateType.MetadataEdit, cancellationToken);
_providerManager.QueueRefresh(
folder.Id,
new MetadataRefreshOptions(new DirectoryService(_fileSystem))
{
ForceSave = true
},
RefreshPriority.High);
itemsToRemove.Clear();
}
}
///
public IEnumerable GetDefaultTriggers()
{
return new[] { new TaskTriggerInfo() { Type = TaskTriggerInfo.TriggerStartup } };
}
}