diff options
Diffstat (limited to 'MediaBrowser.Controller/Entities/UserRootFolder.cs')
| -rw-r--r-- | MediaBrowser.Controller/Entities/UserRootFolder.cs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/MediaBrowser.Controller/Entities/UserRootFolder.cs b/MediaBrowser.Controller/Entities/UserRootFolder.cs index 4549d0d1d..d043cba47 100644 --- a/MediaBrowser.Controller/Entities/UserRootFolder.cs +++ b/MediaBrowser.Controller/Entities/UserRootFolder.cs @@ -16,6 +16,31 @@ namespace MediaBrowser.Controller.Entities /// </summary> public class UserRootFolder : Folder { + private List<Guid> _childrenIds = null; + private readonly object _childIdsLock = new object(); + protected override IEnumerable<BaseItem> LoadChildren() + { + lock (_childIdsLock) + { + if (_childrenIds == null) + { + var list = base.LoadChildren().ToList(); + _childrenIds = list.Select(i => i.Id).ToList(); + return list; + } + + return _childrenIds.Select(LibraryManager.GetItemById).Where(i => i != null).ToList(); + } + } + + private void ResetCachedChildren() + { + lock (_childIdsLock) + { + _childrenIds = null; + } + } + protected override async Task<QueryResult<BaseItem>> GetItemsInternal(InternalItemsQuery query) { if (query.Recursive) @@ -69,6 +94,8 @@ namespace MediaBrowser.Controller.Entities public override bool BeforeMetadataRefresh() { + ResetCachedChildren(); + var hasChanges = base.BeforeMetadataRefresh(); if (string.Equals("default", Name, StringComparison.OrdinalIgnoreCase)) @@ -82,6 +109,8 @@ namespace MediaBrowser.Controller.Entities protected override async Task ValidateChildrenInternal(IProgress<double> progress, CancellationToken cancellationToken, bool recursive, bool refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService) { + ResetCachedChildren(); + await base.ValidateChildrenInternal(progress, cancellationToken, recursive, refreshChildMetadata, refreshOptions, directoryService) .ConfigureAwait(false); |