diff options
Diffstat (limited to 'MediaBrowser.Controller/Entities/Folder.cs')
| -rw-r--r-- | MediaBrowser.Controller/Entities/Folder.cs | 150 |
1 files changed, 122 insertions, 28 deletions
diff --git a/MediaBrowser.Controller/Entities/Folder.cs b/MediaBrowser.Controller/Entities/Folder.cs index b1f7f29bad..626bc0d5a1 100644 --- a/MediaBrowser.Controller/Entities/Folder.cs +++ b/MediaBrowser.Controller/Entities/Folder.cs @@ -43,11 +43,7 @@ namespace MediaBrowser.Controller.Entities public class Folder : BaseItem { private IEnumerable<BaseItem> _children; - - public Folder() - { - LinkedChildren = Array.Empty<LinkedChild>(); - } + private LinkedChild[] _linkedChildren = []; public static IUserViewManager UserViewManager { get; set; } @@ -63,7 +59,27 @@ namespace MediaBrowser.Controller.Entities /// Gets or sets the linked children. /// </summary> [JsonIgnore] - public LinkedChild[] LinkedChildren { get; set; } + public LinkedChild[] LinkedChildren + { + get => _linkedChildren; + set + { + _linkedChildren = value; + + // Assigning the collection means the caller knows the complete set of links. + LinkedChildrenLoaded = true; + } + } + + /// <summary> + /// Gets a value indicating whether <see cref="LinkedChildren"/> holds the stored set of links. + /// </summary> + /// <remarks> + /// An unloaded instance carries an empty array that means "unknown", not "no children" — + /// persisting it would delete every link the item has. + /// </remarks> + [JsonIgnore] + public bool LinkedChildrenLoaded { get; private set; } [JsonIgnore] public DateTime? DateLastMediaAdded { get; set; } @@ -270,6 +286,27 @@ namespace MediaBrowser.Controller.Entities return GetCachedChildren(); } + /// <summary> + /// Drops the children this folder has materialised, and the ones held by every folder below + /// it, without loading anything that is not already in memory. + /// </summary> + public void ReleaseCachedChildren() + { + // Cleared before descending, so a folder already on the way down is not walked twice. + var children = _children; + _children = null; + + if (children is null) + { + return; + } + + foreach (var child in children) + { + (child as Folder)?.ReleaseCachedChildren(); + } + } + public override double? GetRefreshProgress() { return ProviderManager.GetRefreshProgress(Id); @@ -300,7 +337,7 @@ namespace MediaBrowser.Controller.Entities var dictionary = new Dictionary<Guid, BaseItem>(); Children = null; // invalidate cached children. - var childrenList = Children.ToList(); + var childrenList = GetChildrenForValidation(); foreach (var child in childrenList) { @@ -354,6 +391,9 @@ namespace MediaBrowser.Controller.Entities { ProviderManager.OnRefreshComplete(this); } + + // The subtree is done with, so stop holding it. + ReleaseCachedChildren(); } } @@ -389,19 +429,23 @@ namespace MediaBrowser.Controller.Entities if (IsFileProtocol) { - IEnumerable<BaseItem> nonCachedChildren = []; + IEnumerable<BaseItem> nonCachedChildren; try { - nonCachedChildren = GetNonCachedChildren(directoryService); + // Finish enumeration before mutating the library. An I/O failure, including + // one partway through a lazy enumeration, must not look like removed files. + nonCachedChildren = GetNonCachedChildren(directoryService).ToArray(); } catch (IOException ex) { Logger.LogError(ex, "Error retrieving children from file system"); + return; } catch (SecurityException ex) { Logger.LogError(ex, "Error retrieving children from file system"); + return; } catch (Exception ex) { @@ -535,7 +579,7 @@ namespace MediaBrowser.Controller.Entities && primaryVideo.OwnerId.IsEmpty() && (primaryVideo.LocalAlternateVersions ?? []).Any(p => alternateVersionPaths.Contains(p))) { - var newPrimary = newItems + var newPrimary = validChildren .OfType<Video>() .FirstOrDefault(v => (v.LocalAlternateVersions ?? []) .Any(p => (primaryVideo.LocalAlternateVersions ?? []) @@ -577,6 +621,8 @@ namespace MediaBrowser.Controller.Entities newPrimary.Name, newPrimary.Id); + await PromoteToPrimaryVersionAsync(newPrimary, cancellationToken).ConfigureAwait(false); + // Reroute collection/playlist references from old primary to new primary await LibraryManager.RerouteLinkedChildReferencesAsync(oldPrimary.Id, newPrimary.Id).ConfigureAwait(false); @@ -605,9 +651,12 @@ namespace MediaBrowser.Controller.Entities LibraryManager.DeleteItem(oldPrimary, new DeleteOptions { DeleteFileLocation = false }, this, false); } - // Demote old primaries that are now alternate versions of newly created primaries. + // Demote old primaries that are now alternate versions of another primary. // This handles the case where a new file is added that becomes the new primary - // (e.g. movie-2 added, movie-3 was primary → movie-3 needs demotion). + // (e.g. movie-2 added, movie-3 was primary → movie-3 needs demotion), and the case + // where the file that takes over was already in the library and merely traded + // places with this one — so the new primary is looked up among all valid children + // rather than only the newly created ones. // Items in replacedPrimaries are excluded (already in actuallyRemoved). var oldPrimariesToDemote = new List<(Video OldPrimary, Video NewPrimary)>(); foreach (var item in itemsRemoved.Except(actuallyRemoved)) @@ -617,7 +666,7 @@ namespace MediaBrowser.Controller.Entities && !string.IsNullOrEmpty(item.Path) && alternateVersionPaths.Contains(item.Path)) { - var newPrimary = newItems + var newPrimary = validChildren .OfType<Video>() .FirstOrDefault(v => (v.LocalAlternateVersions ?? []) .Any(p => string.Equals(p, item.Path, StringComparison.OrdinalIgnoreCase))); @@ -637,10 +686,13 @@ namespace MediaBrowser.Controller.Entities newPrimary.Name, newPrimary.Id); + await PromoteToPrimaryVersionAsync(newPrimary, cancellationToken).ConfigureAwait(false); + // First: update old primary's alternate items to point to new primary. // Order matters — update alternates FIRST so they don't get orphan-deleted // when old primary's arrays are cleared. - var oldAlternateIds = LibraryManager.GetLocalAlternateVersionIds(oldPrimary) + var oldLocalAlternateIds = LibraryManager.GetLocalAlternateVersionIds(oldPrimary).ToHashSet(); + var oldAlternateIds = oldLocalAlternateIds .Concat(LibraryManager.GetLinkedAlternateVersions(oldPrimary).Select(v => v.Id)) .Distinct() .ToList(); @@ -650,7 +702,10 @@ namespace MediaBrowser.Controller.Entities if (LibraryManager.GetItemById(altId) is Video altVideo && !altVideo.Id.Equals(newPrimary.Id)) { altVideo.SetPrimaryVersionId(newPrimary.Id); - altVideo.OwnerId = newPrimary.Id; + + // Only a version stored next to the new primary is owned by it; one that + // was merged in by hand keeps its own row and must stay unowned. + altVideo.OwnerId = oldLocalAlternateIds.Contains(altVideo.Id) ? newPrimary.Id : Guid.Empty; await altVideo.UpdateToRepositoryAsync(ItemUpdateType.MetadataEdit, cancellationToken).ConfigureAwait(false); } } @@ -756,6 +811,23 @@ namespace MediaBrowser.Controller.Entities } } + private async Task PromoteToPrimaryVersionAsync(Video newPrimary, CancellationToken cancellationToken) + { + if (!newPrimary.PrimaryVersionId.HasValue && newPrimary.OwnerId.IsEmpty()) + { + return; + } + + Logger.LogInformation( + "Promoting {Name} ({Id}) to the primary version of its group", + newPrimary.Name, + newPrimary.Id); + + newPrimary.SetPrimaryVersionId(null); + newPrimary.OwnerId = Guid.Empty; + await newPrimary.UpdateToRepositoryAsync(ItemUpdateType.MetadataEdit, cancellationToken).ConfigureAwait(false); + } + private async Task RefreshMetadataRecursive(IList<BaseItem> children, MetadataRefreshOptions refreshOptions, bool recursive, IProgress<double> progress, CancellationToken cancellationToken) { await RunTasks( @@ -791,7 +863,14 @@ namespace MediaBrowser.Controller.Entities if (recursive && child is Folder folder) { folder.Children = null; // invalidate cached children. - await folder.RefreshMetadataRecursive(folder.Children.Except([this, child]).ToList(), refreshOptions, true, progress, cancellationToken).ConfigureAwait(false); + try + { + await folder.RefreshMetadataRecursive(folder.Children.Except([this, child]).ToList(), refreshOptions, true, progress, cancellationToken).ConfigureAwait(false); + } + finally + { + folder.ReleaseCachedChildren(); + } } } } @@ -860,6 +939,17 @@ namespace MediaBrowser.Controller.Entities }); } + private IReadOnlyList<BaseItem> GetChildrenForValidation() + { + return ItemRepository.GetItemList(new InternalItemsQuery + { + Parent = this, + GroupByPresentationUniqueKey = false, + IncludeAlternateVersions = true, + DtoOptions = new DtoOptions(true) + }); + } + public virtual int GetChildCount(User user) { if (LinkedChildren.Length > 0) @@ -1085,15 +1175,7 @@ namespace MediaBrowser.Controller.Entities items = ApplyNameFilter(items, query); } - var filteredItems = items as IReadOnlyList<BaseItem> ?? items.ToList(); - var result = UserViewBuilder.SortAndPage(filteredItems, null, query, LibraryManager); - - if (query.EnableTotalRecordCount) - { - result.TotalRecordCount = filteredItems.Count; - } - - return result; + return UserViewBuilder.SortAndPage(items, null, query, LibraryManager); } private static IEnumerable<BaseItem> ApplyNameFilter(IEnumerable<BaseItem> items, InternalItemsQuery query) @@ -1605,7 +1687,17 @@ namespace MediaBrowser.Controller.Entities /// <returns>IEnumerable{BaseItem}.</returns> public List<BaseItem> GetLinkedChildren() { - var resolved = ResolveLinkedChildren(LinkedChildren); + return GetLinkedChildren(new DtoOptions()); + } + + /// <summary> + /// Gets the linked children, populating only what <paramref name="options"/> asks for. + /// </summary> + /// <param name="options">Fields to populate on the resolved children.</param> + /// <returns>The resolved children.</returns> + public List<BaseItem> GetLinkedChildren(DtoOptions options) + { + var resolved = ResolveLinkedChildren(LinkedChildren, options); var list = new List<BaseItem>(resolved.Count); foreach (var (_, item) in resolved) { @@ -1722,8 +1814,9 @@ namespace MediaBrowser.Controller.Entities /// path (legacy path-based resolution). /// </summary> /// <param name="linkedChildren">Linked children to resolve.</param> + /// <param name="options">Fields to populate on the resolved items; all fields when null.</param> /// <returns>Each input entry paired with its resolved item; entries that fail to resolve are dropped.</returns> - private List<(LinkedChild Info, BaseItem Item)> ResolveLinkedChildren(IReadOnlyList<LinkedChild> linkedChildren) + private List<(LinkedChild Info, BaseItem Item)> ResolveLinkedChildren(IReadOnlyList<LinkedChild> linkedChildren, DtoOptions options = null) { var resolved = new List<(LinkedChild Info, BaseItem Item)>(linkedChildren.Count); if (linkedChildren.Count == 0) @@ -1745,7 +1838,8 @@ namespace MediaBrowser.Controller.Entities { var batched = LibraryManager.GetItemList(new InternalItemsQuery { - ItemIds = [.. idsToBatch] + ItemIds = [.. idsToBatch], + DtoOptions = options ?? new DtoOptions() }); byId = new Dictionary<Guid, BaseItem>(batched.Count); foreach (var item in batched) |