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Merge pull request #10592 from barronpm/librarychangednotifier-cleanup

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LibraryChangedNotifier Cleanup
pull/10619/head
Bond-009 7 months ago committed by GitHub
parent 2f87158e68 4e61c2b4ec
commit 547d8c07b3
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1 changed files with 285 additions and 383 deletions
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Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
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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>
/// The library changed sync lock.
/// </summary>
private readonly object _libraryChangedSyncLock = new object();
private readonly List<Folder> _foldersAddedTo = new List<Folder>();
private readonly List<Folder> _foldersRemovedFrom = new List<Folder>();
private readonly List<BaseItem> _itemsAdded = new List<BaseItem>();
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(
ILibraryManager libraryManager,
IServerConfigurationManager configurationManager,
ISessionManager sessionManager,
IUserManager userManager,
ILogger<LibraryChangedNotifier> logger,
IProviderManager providerManager)
{
_libraryManager = libraryManager;
_configurationManager = configurationManager;
_sessionManager = sessionManager;
_userManager = userManager;
_logger = logger;
_providerManager = providerManager;
}
/// <summary> /// <inheritdoc />
/// Gets or sets the library update timer. public Task RunAsync()
/// </summary> {
/// <value>The library update timer.</value> _libraryManager.ItemAdded += OnLibraryItemAdded;
private Timer LibraryUpdateTimer { get; set; } _libraryManager.ItemUpdated += OnLibraryItemUpdated;
_libraryManager.ItemRemoved += OnLibraryItemRemoved;
public Task RunAsync() _providerManager.RefreshCompleted += OnProviderRefreshCompleted;
{ _providerManager.RefreshStarted += OnProviderRefreshStarted;
_libraryManager.ItemAdded += OnLibraryItemAdded; _providerManager.RefreshProgress += OnProviderRefreshProgress;
_libraryManager.ItemUpdated += OnLibraryItemUpdated;
_libraryManager.ItemRemoved += OnLibraryItemRemoved;
_providerManager.RefreshCompleted += OnProviderRefreshCompleted; return Task.CompletedTask;
_providerManager.RefreshStarted += OnProviderRefreshStarted; }
_providerManager.RefreshProgress += OnProviderRefreshProgress;
return Task.CompletedTask; private void OnProviderRefreshProgress(object? sender, GenericEventArgs<Tuple<BaseItem, double>> e)
} {
var item = e.Argument.Item1;
private void OnProviderRefreshProgress(object sender, GenericEventArgs<Tuple<BaseItem, double>> e) if (!EnableRefreshMessage(item))
{ {
var item = e.Argument.Item1; return;
}
if (!EnableRefreshMessage(item)) var progress = e.Argument.Item2;
if (_lastProgressMessageTimes.TryGetValue(item.Id, out var lastMessageSendTime))
{
if (progress > 0 && progress < 100 && (DateTime.UtcNow - lastMessageSendTime).TotalMilliseconds < 1000)
{ {
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);
if (progress > 0 && progress < 100 && (DateTime.UtcNow - lastMessageSendTime).TotalMilliseconds < 1000) dict["Progress"] = progress.ToString(CultureInfo.InvariantCulture);
{
return;
}
}
_lastProgressMessageTimes.AddOrUpdate(item.Id, _ => DateTime.UtcNow, (_, _) => DateTime.UtcNow); try
{
_sessionManager.SendMessageToAdminSessions(SessionMessageType.RefreshProgress, dict, CancellationToken.None);
}
catch
{
}
var dict = new Dictionary<string, string>(); var collectionFolders = _libraryManager.GetCollectionFolders(item);
dict["ItemId"] = item.Id.ToString("N", CultureInfo.InvariantCulture);
dict["Progress"] = progress.ToString(CultureInfo.InvariantCulture); foreach (var collectionFolder in collectionFolders)
{
var collectionFolderDict = new Dictionary<string, string>
{
["ItemId"] = collectionFolder.Id.ToString("N", CultureInfo.InvariantCulture),
["Progress"] = (collectionFolder.GetRefreshProgress() ?? 0).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
{
_sessionManager.SendMessageToAdminSessions(SessionMessageType.RefreshProgress, collectionFolderDict, CancellationToken.None);
}
catch
{
}
}
}
private void OnProviderRefreshStarted(object sender, GenericEventArgs<BaseItem> e) _lastProgressMessageTimes.TryRemove(e.Argument.Id, out _);
{ }
OnProviderRefreshProgress(sender, new GenericEventArgs<Tuple<BaseItem, double>>(new Tuple<BaseItem, double>(e.Argument, 0)));
}
private void OnProviderRefreshCompleted(object sender, GenericEventArgs<BaseItem> e) private static bool EnableRefreshMessage(BaseItem item)
{ => item is Folder { IsRoot: false, IsTopParent: true }
OnProviderRefreshProgress(sender, new GenericEventArgs<Tuple<BaseItem, double>>(new Tuple<BaseItem, double>(e.Argument, 100))); and not (AggregateFolder or UserRootFolder or UserView or Channel);
_lastProgressMessageTimes.TryRemove(e.Argument.Id, out _); private void OnLibraryItemAdded(object? sender, ItemChangeEventArgs e)
} => OnLibraryChange(e.Item, e.Parent, _itemsAdded, _foldersAddedTo);
private static bool EnableRefreshMessage(BaseItem item) 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))
{ {
if (item is not Folder folder) return;
{ }
return false;
}
if (folder.IsRoot) lock (_libraryChangedSyncLock)
{ {
return false; var updateDuration = TimeSpan.FromSeconds(_configurationManager.Configuration.LibraryUpdateDuration);
}
if (folder is AggregateFolder || folder is UserRootFolder) if (_libraryUpdateTimer is null)
{ {
return false; _libraryUpdateTimer = new Timer(LibraryUpdateTimerCallback, null, updateDuration, Timeout.InfiniteTimeSpan);
} }
else
if (folder is UserView || folder is Channel)
{ {
return false; _libraryUpdateTimer.Change(updateDuration, Timeout.InfiniteTimeSpan);
} }
if (!folder.IsTopParent) if (foldersList is not null && parent is Folder folder)
{ {
return false; foldersList.Add(folder);
} }
return true; itemsList.Add(item);
} }
}
/// <summary> private async void LibraryUpdateTimerCallback(object? state)
/// Handles the ItemAdded event of the libraryManager control. {
/// </summary> List<Folder> foldersAddedTo;
/// <param name="sender">The source of the event.</param> List<Folder> foldersRemovedFrom;
/// <param name="e">The <see cref="ItemChangeEventArgs"/> instance containing the event data.</param> List<BaseItem> itemsUpdated;
private void OnLibraryItemAdded(object sender, ItemChangeEventArgs e) List<BaseItem> itemsAdded;
List<BaseItem> itemsRemoved;
lock (_libraryChangedSyncLock)
{ {
if (!FilterItem(e.Item)) // Remove dupes in case some were saved multiple times
{ foldersAddedTo = _foldersAddedTo
return; .DistinctBy(x => x.Id)
} .ToList();
lock (_libraryChangedSyncLock) 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)
{ {
if (LibraryUpdateTimer is null) _libraryUpdateTimer.Dispose();
{ _libraryUpdateTimer = 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.Item.GetParent() is Folder parent)
{
_foldersAddedTo.Add(parent);
}
_itemsAdded.Add(e.Item);
} }
_itemsAdded.Clear();
_itemsRemoved.Clear();
_itemsUpdated.Clear();
_foldersAddedTo.Clear();
_foldersRemovedFrom.Clear();
} }
/// <summary> await SendChangeNotifications(itemsAdded, itemsUpdated, itemsRemoved, foldersAddedTo, foldersRemovedFrom, CancellationToken.None).ConfigureAwait(false);
/// Handles the ItemUpdated event of the libraryManager control. }
/// </summary>
/// <param name="sender">The source of the event.</param> private async Task SendChangeNotifications(
/// <param name="e">The <see cref="ItemChangeEventArgs"/> instance containing the event data.</param> List<BaseItem> itemsAdded,
private void OnLibraryItemUpdated(object sender, ItemChangeEventArgs e) 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)
{ {
if (!FilterItem(e.Item)) LibraryUpdateInfo info;
{
return;
}
lock (_libraryChangedSyncLock) try
{ {
if (LibraryUpdateTimer is null) info = GetLibraryUpdateInfo(itemsAdded, itemsUpdated, itemsRemoved, foldersAddedTo, foldersRemovedFrom, userId);
{
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);
} }
} catch (Exception ex)
/// <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))
{ {
_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.Parent is Folder parent)
{
_foldersRemovedFrom.Add(parent);
}
_itemsRemoved.Add(e.Item);
} }
}
/// <summary> try
/// 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 await _sessionManager.SendMessageToUserSessions(
foldersAddedTo = _foldersAddedTo new List<Guid> { userId },
.DistinctBy(x => x.Id) SessionMessageType.LibraryChanged,
.ToList(); info,
cancellationToken)
foldersRemovedFrom = _foldersRemovedFrom .ConfigureAwait(false);
.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();
} }
catch (Exception ex)
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()
.ToArray();
foreach (var userId in userIds)
{ {
LibraryUpdateInfo info; _logger.LogError(ex, "Error sending LibraryChanged message");
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> private LibraryUpdateInfo GetLibraryUpdateInfo(
/// Gets the library update info. List<BaseItem> itemsAdded,
/// </summary> List<BaseItem> itemsUpdated,
/// <param name="itemsAdded">The items added.</param> List<BaseItem> itemsRemoved,
/// <param name="itemsUpdated">The items updated.</param> List<Folder> foldersAddedTo,
/// <param name="itemsRemoved">The items removed.</param> List<Folder> foldersRemovedFrom,
/// <param name="foldersAddedTo">The folders added to.</param> Guid userId)
/// <param name="foldersRemovedFrom">The folders removed from.</param> {
/// <param name="userId">The user id.</param> var user = _userManager.GetUserById(userId);
/// <returns>LibraryUpdateInfo.</returns> ArgumentNullException.ThrowIfNull(user);
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);
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(), var newAndRemoved = new List<BaseItem>();
newAndRemoved.AddRange(foldersAddedTo);
newAndRemoved.AddRange(foldersRemovedFrom);
FoldersRemovedFrom = foldersRemovedFrom.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(), var allUserRootChildren = _libraryManager.GetUserRootFolder()
.GetChildren(user, true)
.OfType<Folder>()
.ToList();
CollectionFolders = GetTopParentIds(newAndRemoved, allUserRootChildren).ToArray() return new LibraryUpdateInfo
};
}
private static bool FilterItem(BaseItem item)
{ {
if (!item.IsFolder && !item.HasPathProtocol) ItemsAdded = itemsAdded.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user))
{ .Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture))
return false; .Distinct()
} .ToArray(),
ItemsUpdated = itemsUpdated.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user))
if (item is IItemByName && item is not MusicArtist) .Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture))
{ .Distinct()
return false; .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()
};
}
return item.SourceType == SourceType.Library; private static bool FilterItem(BaseItem item)
{
if (!item.IsFolder && !item.HasPathProtocol)
{
return false;
} }
private IEnumerable<string> GetTopParentIds(List<BaseItem> items, List<Folder> allUserRootChildren) if (item is IItemByName && item is not MusicArtist)
{ {
var list = new List<string>(); return false;
}
foreach (var item in items) return item.SourceType == SourceType.Library;
{ }
// If the physical root changed, return the user root
if (item is AggregateFolder)
{
continue;
}
foreach (var folder in allUserRootChildren)
{
list.Add(folder.Id.ToString("N", CultureInfo.InvariantCulture));
}
}
return list.Distinct(StringComparer.Ordinal); private IEnumerable<string> GetTopParentIds(List<BaseItem> items, List<Folder> allUserRootChildren)
} {
var list = new List<string>();
/// <summary> foreach (var item in items)
/// 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>(); return list.Distinct(StringComparer.Ordinal);
}
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)
{
return _libraryManager.GetUserRootFolder() is T t ? new[] { t } : Array.Empty<T>();
} }
/// <summary> // Return it only if it's in the user's library
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources. if (includeIfNotFound || item.IsVisibleStandalone(user))
/// </summary>
public void Dispose()
{ {
Dispose(true); return new[] { item };
GC.SuppressFinalize(this);
} }
/// <summary> return Array.Empty<T>();
/// Releases unmanaged and - optionally - managed resources. }
/// </summary>
/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param> /// <inheritdoc />
protected virtual void Dispose(bool dispose) public void Dispose()
{
_libraryManager.ItemAdded -= OnLibraryItemAdded;
_libraryManager.ItemUpdated -= OnLibraryItemUpdated;
_libraryManager.ItemRemoved -= OnLibraryItemRemoved;
_providerManager.RefreshCompleted -= OnProviderRefreshCompleted;
_providerManager.RefreshStarted -= OnProviderRefreshStarted;
_providerManager.RefreshProgress -= OnProviderRefreshProgress;
if (_libraryUpdateTimer is not null)
{ {
if (dispose) _libraryUpdateTimer.Dispose();
{ _libraryUpdateTimer = null;
if (LibraryUpdateTimer is not null)
{
LibraryUpdateTimer.Dispose();
LibraryUpdateTimer = null;
}
_libraryManager.ItemAdded -= OnLibraryItemAdded;
_libraryManager.ItemUpdated -= OnLibraryItemUpdated;
_libraryManager.ItemRemoved -= OnLibraryItemRemoved;
_providerManager.RefreshCompleted -= OnProviderRefreshCompleted;
_providerManager.RefreshStarted -= OnProviderRefreshStarted;
_providerManager.RefreshProgress -= OnProviderRefreshProgress;
}
} }
} }
} }

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