Merge pull request #10592 from barronpm/librarychangednotifier-cleanup

LibraryChangedNotifier Cleanup
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Bond-009 2023-11-22 12:57:41 +01:00 committed by GitHub
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@ -1,7 +1,3 @@
#nullable disable
#pragma warning disable CS1591
using System; using System;
using System.Collections.Concurrent; using System.Collections.Concurrent;
using System.Collections.Generic; using System.Collections.Generic;
@ -23,476 +19,382 @@ using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Session; using MediaBrowser.Model.Session;
using Microsoft.Extensions.Logging; using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.EntryPoints namespace Emby.Server.Implementations.EntryPoints;
/// <summary>
/// A <see cref="IServerEntryPoint"/> that notifies users when libraries are updated.
/// </summary>
public sealed class LibraryChangedNotifier : IServerEntryPoint
{ {
public class LibraryChangedNotifier : IServerEntryPoint private readonly ILibraryManager _libraryManager;
private readonly IServerConfigurationManager _configurationManager;
private readonly IProviderManager _providerManager;
private readonly ISessionManager _sessionManager;
private readonly IUserManager _userManager;
private readonly ILogger<LibraryChangedNotifier> _logger;
private readonly object _libraryChangedSyncLock = new();
private readonly List<Folder> _foldersAddedTo = new();
private readonly List<Folder> _foldersRemovedFrom = new();
private readonly List<BaseItem> _itemsAdded = new();
private readonly List<BaseItem> _itemsRemoved = new();
private readonly List<BaseItem> _itemsUpdated = new();
private readonly ConcurrentDictionary<Guid, DateTime> _lastProgressMessageTimes = new();
private Timer? _libraryUpdateTimer;
/// <summary>
/// Initializes a new instance of the <see cref="LibraryChangedNotifier"/> class.
/// </summary>
/// <param name="libraryManager">The <see cref="ILibraryManager"/>.</param>
/// <param name="configurationManager">The <see cref="IServerConfigurationManager"/>.</param>
/// <param name="sessionManager">The <see cref="ISessionManager"/>.</param>
/// <param name="userManager">The <see cref="IUserManager"/>.</param>
/// <param name="logger">The <see cref="ILogger"/>.</param>
/// <param name="providerManager">The <see cref="IProviderManager"/>.</param>
public LibraryChangedNotifier(
ILibraryManager libraryManager,
IServerConfigurationManager configurationManager,
ISessionManager sessionManager,
IUserManager userManager,
ILogger<LibraryChangedNotifier> logger,
IProviderManager providerManager)
{ {
private readonly ILibraryManager _libraryManager; _libraryManager = libraryManager;
private readonly IServerConfigurationManager _configurationManager; _configurationManager = configurationManager;
private readonly IProviderManager _providerManager; _sessionManager = sessionManager;
private readonly ISessionManager _sessionManager; _userManager = userManager;
private readonly IUserManager _userManager; _logger = logger;
private readonly ILogger<LibraryChangedNotifier> _logger; _providerManager = providerManager;
}
/// <summary> /// <inheritdoc />
/// The library changed sync lock. public Task RunAsync()
/// </summary> {
private readonly object _libraryChangedSyncLock = new object(); _libraryManager.ItemAdded += OnLibraryItemAdded;
_libraryManager.ItemUpdated += OnLibraryItemUpdated;
_libraryManager.ItemRemoved += OnLibraryItemRemoved;
private readonly List<Folder> _foldersAddedTo = new List<Folder>(); _providerManager.RefreshCompleted += OnProviderRefreshCompleted;
private readonly List<Folder> _foldersRemovedFrom = new List<Folder>(); _providerManager.RefreshStarted += OnProviderRefreshStarted;
private readonly List<BaseItem> _itemsAdded = new List<BaseItem>(); _providerManager.RefreshProgress += OnProviderRefreshProgress;
private readonly List<BaseItem> _itemsRemoved = new List<BaseItem>();
private readonly List<BaseItem> _itemsUpdated = new List<BaseItem>();
private readonly ConcurrentDictionary<Guid, DateTime> _lastProgressMessageTimes = new ConcurrentDictionary<Guid, DateTime>();
public LibraryChangedNotifier( return Task.CompletedTask;
ILibraryManager libraryManager, }
IServerConfigurationManager configurationManager,
ISessionManager sessionManager, private void OnProviderRefreshProgress(object? sender, GenericEventArgs<Tuple<BaseItem, double>> e)
IUserManager userManager, {
ILogger<LibraryChangedNotifier> logger, var item = e.Argument.Item1;
IProviderManager providerManager)
if (!EnableRefreshMessage(item))
{ {
_libraryManager = libraryManager; return;
_configurationManager = configurationManager;
_sessionManager = sessionManager;
_userManager = userManager;
_logger = logger;
_providerManager = providerManager;
} }
/// <summary> var progress = e.Argument.Item2;
/// Gets or sets the library update timer.
/// </summary>
/// <value>The library update timer.</value>
private Timer LibraryUpdateTimer { get; set; }
public Task RunAsync() if (_lastProgressMessageTimes.TryGetValue(item.Id, out var lastMessageSendTime))
{ {
_libraryManager.ItemAdded += OnLibraryItemAdded; if (progress > 0 && progress < 100 && (DateTime.UtcNow - lastMessageSendTime).TotalMilliseconds < 1000)
_libraryManager.ItemUpdated += OnLibraryItemUpdated;
_libraryManager.ItemRemoved += OnLibraryItemRemoved;
_providerManager.RefreshCompleted += OnProviderRefreshCompleted;
_providerManager.RefreshStarted += OnProviderRefreshStarted;
_providerManager.RefreshProgress += OnProviderRefreshProgress;
return Task.CompletedTask;
}
private void OnProviderRefreshProgress(object sender, GenericEventArgs<Tuple<BaseItem, double>> e)
{
var item = e.Argument.Item1;
if (!EnableRefreshMessage(item))
{ {
return; return;
} }
}
var progress = e.Argument.Item2; _lastProgressMessageTimes.AddOrUpdate(item.Id, _ => DateTime.UtcNow, (_, _) => DateTime.UtcNow);
if (_lastProgressMessageTimes.TryGetValue(item.Id, out var lastMessageSendTime)) var dict = new Dictionary<string, string>();
dict["ItemId"] = item.Id.ToString("N", CultureInfo.InvariantCulture);
dict["Progress"] = progress.ToString(CultureInfo.InvariantCulture);
try
{
_sessionManager.SendMessageToAdminSessions(SessionMessageType.RefreshProgress, dict, CancellationToken.None);
}
catch
{
}
var collectionFolders = _libraryManager.GetCollectionFolders(item);
foreach (var collectionFolder in collectionFolders)
{
var collectionFolderDict = new Dictionary<string, string>
{ {
if (progress > 0 && progress < 100 && (DateTime.UtcNow - lastMessageSendTime).TotalMilliseconds < 1000) ["ItemId"] = collectionFolder.Id.ToString("N", CultureInfo.InvariantCulture),
{ ["Progress"] = (collectionFolder.GetRefreshProgress() ?? 0).ToString(CultureInfo.InvariantCulture)
return; };
}
}
_lastProgressMessageTimes.AddOrUpdate(item.Id, _ => DateTime.UtcNow, (_, _) => DateTime.UtcNow);
var dict = new Dictionary<string, string>();
dict["ItemId"] = item.Id.ToString("N", CultureInfo.InvariantCulture);
dict["Progress"] = progress.ToString(CultureInfo.InvariantCulture);
try try
{ {
_sessionManager.SendMessageToAdminSessions(SessionMessageType.RefreshProgress, dict, CancellationToken.None); _sessionManager.SendMessageToAdminSessions(SessionMessageType.RefreshProgress, collectionFolderDict, CancellationToken.None);
} }
catch catch
{ {
} }
}
}
var collectionFolders = _libraryManager.GetCollectionFolders(item); private void OnProviderRefreshStarted(object? sender, GenericEventArgs<BaseItem> e)
{
OnProviderRefreshProgress(sender, new GenericEventArgs<Tuple<BaseItem, double>>(new Tuple<BaseItem, double>(e.Argument, 0)));
}
foreach (var collectionFolder in collectionFolders) private void OnProviderRefreshCompleted(object? sender, GenericEventArgs<BaseItem> e)
{ {
var collectionFolderDict = new Dictionary<string, string> OnProviderRefreshProgress(sender, new GenericEventArgs<Tuple<BaseItem, double>>(new Tuple<BaseItem, double>(e.Argument, 100)));
{
["ItemId"] = collectionFolder.Id.ToString("N", CultureInfo.InvariantCulture),
["Progress"] = (collectionFolder.GetRefreshProgress() ?? 0).ToString(CultureInfo.InvariantCulture)
};
try _lastProgressMessageTimes.TryRemove(e.Argument.Id, out _);
{ }
_sessionManager.SendMessageToAdminSessions(SessionMessageType.RefreshProgress, collectionFolderDict, CancellationToken.None);
} private static bool EnableRefreshMessage(BaseItem item)
catch => item is Folder { IsRoot: false, IsTopParent: true }
{ and not (AggregateFolder or UserRootFolder or UserView or Channel);
}
} private void OnLibraryItemAdded(object? sender, ItemChangeEventArgs e)
=> OnLibraryChange(e.Item, e.Parent, _itemsAdded, _foldersAddedTo);
private void OnLibraryItemUpdated(object? sender, ItemChangeEventArgs e)
=> OnLibraryChange(e.Item, e.Parent, _itemsUpdated, null);
private void OnLibraryItemRemoved(object? sender, ItemChangeEventArgs e)
=> OnLibraryChange(e.Item, e.Parent, _itemsRemoved, _foldersRemovedFrom);
private void OnLibraryChange(BaseItem item, BaseItem parent, List<BaseItem> itemsList, List<Folder>? foldersList)
{
if (!FilterItem(item))
{
return;
} }
private void OnProviderRefreshStarted(object sender, GenericEventArgs<BaseItem> e) lock (_libraryChangedSyncLock)
{ {
OnProviderRefreshProgress(sender, new GenericEventArgs<Tuple<BaseItem, double>>(new Tuple<BaseItem, double>(e.Argument, 0))); var updateDuration = TimeSpan.FromSeconds(_configurationManager.Configuration.LibraryUpdateDuration);
if (_libraryUpdateTimer is null)
{
_libraryUpdateTimer = new Timer(LibraryUpdateTimerCallback, null, updateDuration, Timeout.InfiniteTimeSpan);
}
else
{
_libraryUpdateTimer.Change(updateDuration, Timeout.InfiniteTimeSpan);
}
if (foldersList is not null && parent is Folder folder)
{
foldersList.Add(folder);
}
itemsList.Add(item);
}
}
private async void LibraryUpdateTimerCallback(object? state)
{
List<Folder> foldersAddedTo;
List<Folder> foldersRemovedFrom;
List<BaseItem> itemsUpdated;
List<BaseItem> itemsAdded;
List<BaseItem> itemsRemoved;
lock (_libraryChangedSyncLock)
{
// Remove dupes in case some were saved multiple times
foldersAddedTo = _foldersAddedTo
.DistinctBy(x => x.Id)
.ToList();
foldersRemovedFrom = _foldersRemovedFrom
.DistinctBy(x => x.Id)
.ToList();
itemsUpdated = _itemsUpdated
.Where(i => !_itemsAdded.Contains(i))
.DistinctBy(x => x.Id)
.ToList();
itemsAdded = _itemsAdded.ToList();
itemsRemoved = _itemsRemoved.ToList();
if (_libraryUpdateTimer is not null)
{
_libraryUpdateTimer.Dispose();
_libraryUpdateTimer = null;
}
_itemsAdded.Clear();
_itemsRemoved.Clear();
_itemsUpdated.Clear();
_foldersAddedTo.Clear();
_foldersRemovedFrom.Clear();
} }
private void OnProviderRefreshCompleted(object sender, GenericEventArgs<BaseItem> e) await SendChangeNotifications(itemsAdded, itemsUpdated, itemsRemoved, foldersAddedTo, foldersRemovedFrom, CancellationToken.None).ConfigureAwait(false);
}
private async Task SendChangeNotifications(
List<BaseItem> itemsAdded,
List<BaseItem> itemsUpdated,
List<BaseItem> itemsRemoved,
List<Folder> foldersAddedTo,
List<Folder> foldersRemovedFrom,
CancellationToken cancellationToken)
{
var userIds = _sessionManager.Sessions
.Select(i => i.UserId)
.Where(i => !i.Equals(default))
.Distinct()
.ToArray();
foreach (var userId in userIds)
{ {
OnProviderRefreshProgress(sender, new GenericEventArgs<Tuple<BaseItem, double>>(new Tuple<BaseItem, double>(e.Argument, 100))); LibraryUpdateInfo info;
_lastProgressMessageTimes.TryRemove(e.Argument.Id, out _); try
}
private static bool EnableRefreshMessage(BaseItem item)
{
if (item is not Folder folder)
{ {
return false; info = GetLibraryUpdateInfo(itemsAdded, itemsUpdated, itemsRemoved, foldersAddedTo, foldersRemovedFrom, userId);
} }
catch (Exception ex)
if (folder.IsRoot)
{
return false;
}
if (folder is AggregateFolder || folder is UserRootFolder)
{
return false;
}
if (folder is UserView || folder is Channel)
{
return false;
}
if (!folder.IsTopParent)
{
return false;
}
return true;
}
/// <summary>
/// Handles the ItemAdded event of the libraryManager control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="ItemChangeEventArgs"/> instance containing the event data.</param>
private void OnLibraryItemAdded(object sender, ItemChangeEventArgs e)
{
if (!FilterItem(e.Item))
{ {
_logger.LogError(ex, "Error in GetLibraryUpdateInfo");
return; return;
} }
lock (_libraryChangedSyncLock) if (info.IsEmpty)
{ {
if (LibraryUpdateTimer is null) continue;
{ }
LibraryUpdateTimer = new Timer(
LibraryUpdateTimerCallback,
null,
TimeSpan.FromSeconds(_configurationManager.Configuration.LibraryUpdateDuration),
Timeout.InfiniteTimeSpan);
}
else
{
LibraryUpdateTimer.Change(TimeSpan.FromSeconds(_configurationManager.Configuration.LibraryUpdateDuration), Timeout.InfiniteTimeSpan);
}
if (e.Item.GetParent() is Folder parent) try
{ {
_foldersAddedTo.Add(parent); await _sessionManager.SendMessageToUserSessions(
} new List<Guid> { userId },
SessionMessageType.LibraryChanged,
_itemsAdded.Add(e.Item); info,
cancellationToken)
.ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error sending LibraryChanged message");
} }
} }
}
/// <summary> private LibraryUpdateInfo GetLibraryUpdateInfo(
/// Handles the ItemUpdated event of the libraryManager control. List<BaseItem> itemsAdded,
/// </summary> List<BaseItem> itemsUpdated,
/// <param name="sender">The source of the event.</param> List<BaseItem> itemsRemoved,
/// <param name="e">The <see cref="ItemChangeEventArgs"/> instance containing the event data.</param> List<Folder> foldersAddedTo,
private void OnLibraryItemUpdated(object sender, ItemChangeEventArgs e) List<Folder> foldersRemovedFrom,
Guid userId)
{
var user = _userManager.GetUserById(userId);
ArgumentNullException.ThrowIfNull(user);
var newAndRemoved = new List<BaseItem>();
newAndRemoved.AddRange(foldersAddedTo);
newAndRemoved.AddRange(foldersRemovedFrom);
var allUserRootChildren = _libraryManager.GetUserRootFolder()
.GetChildren(user, true)
.OfType<Folder>()
.ToList();
return new LibraryUpdateInfo
{ {
if (!FilterItem(e.Item)) ItemsAdded = itemsAdded.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user))
{ .Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture))
return;
}
lock (_libraryChangedSyncLock)
{
if (LibraryUpdateTimer is null)
{
LibraryUpdateTimer = new Timer(LibraryUpdateTimerCallback, null, TimeSpan.FromSeconds(_configurationManager.Configuration.LibraryUpdateDuration), Timeout.InfiniteTimeSpan);
}
else
{
LibraryUpdateTimer.Change(TimeSpan.FromSeconds(_configurationManager.Configuration.LibraryUpdateDuration), Timeout.InfiniteTimeSpan);
}
_itemsUpdated.Add(e.Item);
}
}
/// <summary>
/// Handles the ItemRemoved event of the libraryManager control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="ItemChangeEventArgs"/> instance containing the event data.</param>
private void OnLibraryItemRemoved(object sender, ItemChangeEventArgs e)
{
if (!FilterItem(e.Item))
{
return;
}
lock (_libraryChangedSyncLock)
{
if (LibraryUpdateTimer is null)
{
LibraryUpdateTimer = new Timer(LibraryUpdateTimerCallback, null, TimeSpan.FromSeconds(_configurationManager.Configuration.LibraryUpdateDuration), Timeout.InfiniteTimeSpan);
}
else
{
LibraryUpdateTimer.Change(TimeSpan.FromSeconds(_configurationManager.Configuration.LibraryUpdateDuration), Timeout.InfiniteTimeSpan);
}
if (e.Parent is Folder parent)
{
_foldersRemovedFrom.Add(parent);
}
_itemsRemoved.Add(e.Item);
}
}
/// <summary>
/// Libraries the update timer callback.
/// </summary>
/// <param name="state">The state.</param>
private async void LibraryUpdateTimerCallback(object state)
{
List<Folder> foldersAddedTo;
List<Folder> foldersRemovedFrom;
List<BaseItem> itemsUpdated;
List<BaseItem> itemsAdded;
List<BaseItem> itemsRemoved;
lock (_libraryChangedSyncLock)
{
// Remove dupes in case some were saved multiple times
foldersAddedTo = _foldersAddedTo
.DistinctBy(x => x.Id)
.ToList();
foldersRemovedFrom = _foldersRemovedFrom
.DistinctBy(x => x.Id)
.ToList();
itemsUpdated = _itemsUpdated
.Where(i => !_itemsAdded.Contains(i))
.DistinctBy(x => x.Id)
.ToList();
itemsAdded = _itemsAdded.ToList();
itemsRemoved = _itemsRemoved.ToList();
if (LibraryUpdateTimer is not null)
{
LibraryUpdateTimer.Dispose();
LibraryUpdateTimer = null;
}
_itemsAdded.Clear();
_itemsRemoved.Clear();
_itemsUpdated.Clear();
_foldersAddedTo.Clear();
_foldersRemovedFrom.Clear();
}
await SendChangeNotifications(itemsAdded, itemsUpdated, itemsRemoved, foldersAddedTo, foldersRemovedFrom, CancellationToken.None).ConfigureAwait(false);
}
/// <summary>
/// Sends the change notifications.
/// </summary>
/// <param name="itemsAdded">The items added.</param>
/// <param name="itemsUpdated">The items updated.</param>
/// <param name="itemsRemoved">The items removed.</param>
/// <param name="foldersAddedTo">The folders added to.</param>
/// <param name="foldersRemovedFrom">The folders removed from.</param>
/// <param name="cancellationToken">The cancellation token.</param>
private async Task SendChangeNotifications(List<BaseItem> itemsAdded, List<BaseItem> itemsUpdated, List<BaseItem> itemsRemoved, List<Folder> foldersAddedTo, List<Folder> foldersRemovedFrom, CancellationToken cancellationToken)
{
var userIds = _sessionManager.Sessions
.Select(i => i.UserId)
.Where(i => !i.Equals(default))
.Distinct() .Distinct()
.ToArray(); .ToArray(),
ItemsUpdated = itemsUpdated.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user))
.Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture))
.Distinct()
.ToArray(),
ItemsRemoved = itemsRemoved.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user, true))
.Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture))
.Distinct()
.ToArray(),
FoldersAddedTo = foldersAddedTo.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user))
.Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture))
.Distinct()
.ToArray(),
FoldersRemovedFrom = foldersRemovedFrom.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user))
.Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture))
.Distinct()
.ToArray(),
CollectionFolders = GetTopParentIds(newAndRemoved, allUserRootChildren).ToArray()
};
}
foreach (var userId in userIds) private static bool FilterItem(BaseItem item)
{ {
LibraryUpdateInfo info; if (!item.IsFolder && !item.HasPathProtocol)
try
{
info = GetLibraryUpdateInfo(itemsAdded, itemsUpdated, itemsRemoved, foldersAddedTo, foldersRemovedFrom, userId);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error in GetLibraryUpdateInfo");
return;
}
if (info.IsEmpty)
{
continue;
}
try
{
await _sessionManager.SendMessageToUserSessions(new List<Guid> { userId }, SessionMessageType.LibraryChanged, info, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error sending LibraryChanged message");
}
}
}
/// <summary>
/// Gets the library update info.
/// </summary>
/// <param name="itemsAdded">The items added.</param>
/// <param name="itemsUpdated">The items updated.</param>
/// <param name="itemsRemoved">The items removed.</param>
/// <param name="foldersAddedTo">The folders added to.</param>
/// <param name="foldersRemovedFrom">The folders removed from.</param>
/// <param name="userId">The user id.</param>
/// <returns>LibraryUpdateInfo.</returns>
private LibraryUpdateInfo GetLibraryUpdateInfo(List<BaseItem> itemsAdded, List<BaseItem> itemsUpdated, List<BaseItem> itemsRemoved, List<Folder> foldersAddedTo, List<Folder> foldersRemovedFrom, Guid userId)
{ {
var user = _userManager.GetUserById(userId); return false;
var newAndRemoved = new List<BaseItem>();
newAndRemoved.AddRange(foldersAddedTo);
newAndRemoved.AddRange(foldersRemovedFrom);
var allUserRootChildren = _libraryManager.GetUserRootFolder().GetChildren(user, true).OfType<Folder>().ToList();
return new LibraryUpdateInfo
{
ItemsAdded = itemsAdded.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
ItemsUpdated = itemsUpdated.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
ItemsRemoved = itemsRemoved.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user, true)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
FoldersAddedTo = foldersAddedTo.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
FoldersRemovedFrom = foldersRemovedFrom.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
CollectionFolders = GetTopParentIds(newAndRemoved, allUserRootChildren).ToArray()
};
} }
private static bool FilterItem(BaseItem item) if (item is IItemByName && item is not MusicArtist)
{ {
if (!item.IsFolder && !item.HasPathProtocol) return false;
{
return false;
}
if (item is IItemByName && item is not MusicArtist)
{
return false;
}
return item.SourceType == SourceType.Library;
} }
private IEnumerable<string> GetTopParentIds(List<BaseItem> items, List<Folder> allUserRootChildren) return item.SourceType == SourceType.Library;
{ }
var list = new List<string>();
foreach (var item in items) private IEnumerable<string> GetTopParentIds(List<BaseItem> items, List<Folder> allUserRootChildren)
{ {
// If the physical root changed, return the user root var list = new List<string>();
if (item is AggregateFolder)
{
continue;
}
foreach (var folder in allUserRootChildren) foreach (var item in items)
{
list.Add(folder.Id.ToString("N", CultureInfo.InvariantCulture));
}
}
return list.Distinct(StringComparer.Ordinal);
}
/// <summary>
/// Translates the physical item to user library.
/// </summary>
/// <typeparam name="T">The type of item.</typeparam>
/// <param name="item">The item.</param>
/// <param name="user">The user.</param>
/// <param name="includeIfNotFound">if set to <c>true</c> [include if not found].</param>
/// <returns>IEnumerable{``0}.</returns>
private IEnumerable<T> TranslatePhysicalItemToUserLibrary<T>(T item, User user, bool includeIfNotFound = false)
where T : BaseItem
{ {
// If the physical root changed, return the user root // If the physical root changed, return the user root
if (item is AggregateFolder) if (item is AggregateFolder)
{ {
return new[] { _libraryManager.GetUserRootFolder() as T }; continue;
} }
// Return it only if it's in the user's library foreach (var folder in allUserRootChildren)
if (includeIfNotFound || item.IsVisibleStandalone(user))
{ {
return new[] { item }; list.Add(folder.Id.ToString("N", CultureInfo.InvariantCulture));
} }
return Array.Empty<T>();
} }
/// <summary> return list.Distinct(StringComparer.Ordinal);
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources. }
/// </summary>
public void Dispose() private IEnumerable<T> TranslatePhysicalItemToUserLibrary<T>(T item, User user, bool includeIfNotFound = false)
where T : BaseItem
{
// If the physical root changed, return the user root
if (item is AggregateFolder)
{ {
Dispose(true); return _libraryManager.GetUserRootFolder() is T t ? new[] { t } : Array.Empty<T>();
GC.SuppressFinalize(this);
} }
/// <summary> // Return it only if it's in the user's library
/// Releases unmanaged and - optionally - managed resources. if (includeIfNotFound || item.IsVisibleStandalone(user))
/// </summary>
/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected virtual void Dispose(bool dispose)
{ {
if (dispose) return new[] { item };
{ }
if (LibraryUpdateTimer is not null)
{
LibraryUpdateTimer.Dispose();
LibraryUpdateTimer = null;
}
_libraryManager.ItemAdded -= OnLibraryItemAdded; return Array.Empty<T>();
_libraryManager.ItemUpdated -= OnLibraryItemUpdated; }
_libraryManager.ItemRemoved -= OnLibraryItemRemoved;
_providerManager.RefreshCompleted -= OnProviderRefreshCompleted; /// <inheritdoc />
_providerManager.RefreshStarted -= OnProviderRefreshStarted; public void Dispose()
_providerManager.RefreshProgress -= OnProviderRefreshProgress; {
} _libraryManager.ItemAdded -= OnLibraryItemAdded;
_libraryManager.ItemUpdated -= OnLibraryItemUpdated;
_libraryManager.ItemRemoved -= OnLibraryItemRemoved;
_providerManager.RefreshCompleted -= OnProviderRefreshCompleted;
_providerManager.RefreshStarted -= OnProviderRefreshStarted;
_providerManager.RefreshProgress -= OnProviderRefreshProgress;
if (_libraryUpdateTimer is not null)
{
_libraryUpdateTimer.Dispose();
_libraryUpdateTimer = null;
} }
} }
} }