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1145 lines
41 KiB
1145 lines
41 KiB
using MediaBrowser.Common.Extensions;
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using MediaBrowser.Common.Progress;
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using MediaBrowser.Controller.Entities.TV;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Localization;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Entities;
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using MoreLinq;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Runtime.Serialization;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Controller.Entities
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{
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/// <summary>
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/// Class Folder
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/// </summary>
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public class Folder : BaseItem, IHasThemeMedia
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{
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public static IUserManager UserManager { get; set; }
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public List<Guid> ThemeSongIds { get; set; }
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public List<Guid> ThemeVideoIds { get; set; }
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public Folder()
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{
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LinkedChildren = new List<LinkedChild>();
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ThemeSongIds = new List<Guid>();
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ThemeVideoIds = new List<Guid>();
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}
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/// <summary>
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/// Gets a value indicating whether this instance is folder.
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/// </summary>
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/// <value><c>true</c> if this instance is folder; otherwise, <c>false</c>.</value>
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[IgnoreDataMember]
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public override bool IsFolder
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{
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get
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{
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return true;
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}
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}
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/// <summary>
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/// Gets or sets a value indicating whether this instance is physical root.
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/// </summary>
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/// <value><c>true</c> if this instance is physical root; otherwise, <c>false</c>.</value>
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public bool IsPhysicalRoot { get; set; }
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/// <summary>
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/// Gets or sets a value indicating whether this instance is root.
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/// </summary>
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/// <value><c>true</c> if this instance is root; otherwise, <c>false</c>.</value>
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public bool IsRoot { get; set; }
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/// <summary>
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/// Gets a value indicating whether this instance is virtual folder.
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/// </summary>
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/// <value><c>true</c> if this instance is virtual folder; otherwise, <c>false</c>.</value>
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[IgnoreDataMember]
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public virtual bool IsVirtualFolder
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{
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get
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{
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return false;
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}
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}
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public virtual List<LinkedChild> LinkedChildren { get; set; }
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protected virtual bool SupportsShortcutChildren
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{
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get { return true; }
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}
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/// <summary>
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/// Adds the child.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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/// <exception cref="System.InvalidOperationException">Unable to add + item.Name</exception>
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public async Task AddChild(BaseItem item, CancellationToken cancellationToken)
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{
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item.Parent = this;
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if (item.Id == Guid.Empty)
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{
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item.Id = item.Path.GetMBId(item.GetType());
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}
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if (ActualChildren.Any(i => i.Id == item.Id))
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{
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throw new ArgumentException(string.Format("A child with the Id {0} already exists.", item.Id));
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}
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if (item.DateCreated == DateTime.MinValue)
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{
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item.DateCreated = DateTime.UtcNow;
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}
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if (item.DateModified == DateTime.MinValue)
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{
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item.DateModified = DateTime.UtcNow;
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}
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AddChildInternal(item);
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await LibraryManager.CreateItem(item, cancellationToken).ConfigureAwait(false);
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await ItemRepository.SaveChildren(Id, ActualChildren.Select(i => i.Id).ToList(), cancellationToken).ConfigureAwait(false);
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}
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protected void AddChildrenInternal(IEnumerable<BaseItem> children)
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{
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lock (_childrenSyncLock)
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{
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var newChildren = ActualChildren.ToList();
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newChildren.AddRange(children);
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_children = newChildren;
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}
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}
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protected void AddChildInternal(BaseItem child)
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{
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lock (_childrenSyncLock)
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{
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var newChildren = ActualChildren.ToList();
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newChildren.Add(child);
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_children = newChildren;
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}
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}
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protected void RemoveChildrenInternal(IEnumerable<BaseItem> children)
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{
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var ids = children.Select(i => i.Id).ToList();
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lock (_childrenSyncLock)
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{
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_children = ActualChildren.Where(i => !ids.Contains(i.Id)).ToList();
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}
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}
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protected void ClearChildrenInternal()
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{
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lock (_childrenSyncLock)
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{
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_children = new List<BaseItem>();
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}
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}
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/// <summary>
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/// Never want folders to be blocked by "BlockNotRated"
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/// </summary>
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[IgnoreDataMember]
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public override string OfficialRatingForComparison
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{
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get
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{
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if (this is Series)
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{
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return base.OfficialRatingForComparison;
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}
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return !string.IsNullOrEmpty(base.OfficialRatingForComparison) ? base.OfficialRatingForComparison : "None";
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}
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}
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/// <summary>
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/// Removes the child.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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/// <exception cref="System.InvalidOperationException">Unable to remove + item.Name</exception>
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public Task RemoveChild(BaseItem item, CancellationToken cancellationToken)
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{
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RemoveChildrenInternal(new[] { item });
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item.Parent = null;
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return ItemRepository.SaveChildren(Id, ActualChildren.Select(i => i.Id).ToList(), cancellationToken);
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}
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/// <summary>
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/// Clears the children.
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/// </summary>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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public Task ClearChildren(CancellationToken cancellationToken)
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{
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var items = ActualChildren.ToList();
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ClearChildrenInternal();
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foreach (var item in items)
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{
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LibraryManager.ReportItemRemoved(item);
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}
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return ItemRepository.SaveChildren(Id, ActualChildren.Select(i => i.Id).ToList(), cancellationToken);
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}
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#region Indexing
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/// <summary>
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/// Returns the valid set of index by options for this folder type.
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/// Override or extend to modify.
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/// </summary>
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/// <returns>Dictionary{System.StringFunc{UserIEnumerable{BaseItem}}}.</returns>
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protected virtual IEnumerable<string> GetIndexByOptions()
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{
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return new List<string> {
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{LocalizedStrings.Instance.GetString("NoneDispPref")},
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{LocalizedStrings.Instance.GetString("PerformerDispPref")},
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{LocalizedStrings.Instance.GetString("GenreDispPref")},
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{LocalizedStrings.Instance.GetString("DirectorDispPref")},
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{LocalizedStrings.Instance.GetString("YearDispPref")},
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{LocalizedStrings.Instance.GetString("StudioDispPref")}
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};
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}
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/// <summary>
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/// Get the list of indexy by choices for this folder (localized).
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/// </summary>
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/// <value>The index by option strings.</value>
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[IgnoreDataMember]
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public IEnumerable<string> IndexByOptionStrings
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{
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get { return GetIndexByOptions(); }
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}
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#endregion
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/// <summary>
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/// The children
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/// </summary>
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private IReadOnlyList<BaseItem> _children;
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/// <summary>
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/// The _children sync lock
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/// </summary>
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private readonly object _childrenSyncLock = new object();
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/// <summary>
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/// Gets or sets the actual children.
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/// </summary>
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/// <value>The actual children.</value>
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protected virtual IEnumerable<BaseItem> ActualChildren
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{
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get
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{
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return _children ?? (_children = LoadChildrenInternal());
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}
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}
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/// <summary>
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/// thread-safe access to the actual children of this folder - without regard to user
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/// </summary>
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/// <value>The children.</value>
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[IgnoreDataMember]
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public IEnumerable<BaseItem> Children
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{
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get { return ActualChildren.Where(i => !i.IsHidden); }
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}
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/// <summary>
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/// thread-safe access to all recursive children of this folder - without regard to user
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/// </summary>
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/// <value>The recursive children.</value>
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[IgnoreDataMember]
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public IEnumerable<BaseItem> RecursiveChildren
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{
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get { return GetRecursiveChildren(); }
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}
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public override bool IsVisible(User user)
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{
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if (this is ICollectionFolder)
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{
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if (user.Configuration.BlockedMediaFolders.Contains(Name, StringComparer.OrdinalIgnoreCase))
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{
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return false;
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}
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}
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return base.IsVisible(user);
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}
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private List<BaseItem> LoadChildrenInternal()
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{
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return LoadChildren().ToList();
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}
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/// <summary>
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/// Loads our children. Validation will occur externally.
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/// We want this sychronous.
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/// </summary>
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protected virtual IEnumerable<BaseItem> LoadChildren()
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{
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//just load our children from the repo - the library will be validated and maintained in other processes
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return GetCachedChildren();
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}
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public Task ValidateChildren(IProgress<double> progress, CancellationToken cancellationToken)
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{
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return ValidateChildren(progress, cancellationToken, new MetadataRefreshOptions());
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}
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/// <summary>
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/// Validates that the children of the folder still exist
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/// </summary>
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/// <param name="progress">The progress.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="metadataRefreshOptions">The metadata refresh options.</param>
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/// <param name="recursive">if set to <c>true</c> [recursive].</param>
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/// <returns>Task.</returns>
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public Task ValidateChildren(IProgress<double> progress, CancellationToken cancellationToken, MetadataRefreshOptions metadataRefreshOptions, bool recursive = true)
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{
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metadataRefreshOptions.DirectoryService = metadataRefreshOptions.DirectoryService ?? new DirectoryService(Logger);
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return ValidateChildrenWithCancellationSupport(progress, cancellationToken, recursive, true, metadataRefreshOptions, metadataRefreshOptions.DirectoryService);
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}
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private Task ValidateChildrenWithCancellationSupport(IProgress<double> progress, CancellationToken cancellationToken, bool recursive, bool refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService)
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{
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return ValidateChildrenInternal(progress, cancellationToken, recursive, refreshChildMetadata, refreshOptions, directoryService);
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}
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private Dictionary<Guid, BaseItem> GetActualChildrenDictionary()
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{
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var dictionary = new Dictionary<Guid, BaseItem>();
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foreach (var child in ActualChildren)
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{
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var id = child.Id;
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if (dictionary.ContainsKey(id))
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{
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Logger.Error("Found folder containing items with duplicate id. Path: {0}, Child Name: {1}",
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Path ?? Name,
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child.Path ?? child.Name);
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}
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else
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{
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dictionary[id] = child;
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}
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}
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return dictionary;
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}
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private bool IsValidFromResolver(BaseItem current, BaseItem newItem)
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{
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var currentAsPlaceHolder = current as ISupportsPlaceHolders;
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if (currentAsPlaceHolder != null)
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{
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var newHasPlaceHolder = newItem as ISupportsPlaceHolders;
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if (newHasPlaceHolder != null)
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{
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if (currentAsPlaceHolder.IsPlaceHolder != newHasPlaceHolder.IsPlaceHolder)
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{
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return false;
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}
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}
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}
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return current.IsInMixedFolder == newItem.IsInMixedFolder;
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}
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/// <summary>
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/// Validates the children internal.
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/// </summary>
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/// <param name="progress">The progress.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="recursive">if set to <c>true</c> [recursive].</param>
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/// <param name="refreshChildMetadata">if set to <c>true</c> [refresh child metadata].</param>
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/// <param name="refreshOptions">The refresh options.</param>
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/// <param name="directoryService">The directory service.</param>
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/// <returns>Task.</returns>
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protected async virtual Task ValidateChildrenInternal(IProgress<double> progress, CancellationToken cancellationToken, bool recursive, bool refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService)
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{
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var locationType = LocationType;
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cancellationToken.ThrowIfCancellationRequested();
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var validChildren = new List<BaseItem>();
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if (locationType != LocationType.Remote && locationType != LocationType.Virtual)
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{
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IEnumerable<BaseItem> nonCachedChildren;
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try
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{
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nonCachedChildren = GetNonCachedChildren(directoryService);
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}
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catch (IOException ex)
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{
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nonCachedChildren = new BaseItem[] { };
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Logger.ErrorException("Error getting file system entries for {0}", ex, Path);
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}
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if (nonCachedChildren == null) return; //nothing to validate
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progress.Report(5);
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//build a dictionary of the current children we have now by Id so we can compare quickly and easily
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var currentChildren = GetActualChildrenDictionary();
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//create a list for our validated children
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var newItems = new List<BaseItem>();
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cancellationToken.ThrowIfCancellationRequested();
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foreach (var child in nonCachedChildren)
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{
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BaseItem currentChild;
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if (currentChildren.TryGetValue(child.Id, out currentChild) && IsValidFromResolver(currentChild, child))
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{
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var currentChildLocationType = currentChild.LocationType;
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if (currentChildLocationType != LocationType.Remote &&
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currentChildLocationType != LocationType.Virtual)
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{
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currentChild.DateModified = child.DateModified;
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}
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currentChild.IsOffline = false;
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}
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else
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{
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//brand new item - needs to be added
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newItems.Add(child);
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}
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validChildren.Add(currentChild);
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}
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// If any items were added or removed....
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if (newItems.Count > 0 || currentChildren.Count != validChildren.Count)
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{
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// That's all the new and changed ones - now see if there are any that are missing
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var itemsRemoved = currentChildren.Values.Except(validChildren).ToList();
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var actualRemovals = new List<BaseItem>();
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foreach (var item in itemsRemoved)
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{
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if (item.LocationType == LocationType.Virtual ||
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item.LocationType == LocationType.Remote)
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{
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// Don't remove these because there's no way to accurately validate them.
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validChildren.Add(item);
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}
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else if (!string.IsNullOrEmpty(item.Path) && IsPathOffline(item.Path))
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{
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item.IsOffline = true;
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validChildren.Add(item);
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}
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else
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{
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item.IsOffline = false;
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actualRemovals.Add(item);
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}
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}
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if (actualRemovals.Count > 0)
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{
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RemoveChildrenInternal(actualRemovals);
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foreach (var item in actualRemovals)
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{
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LibraryManager.ReportItemRemoved(item);
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}
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}
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await LibraryManager.CreateItems(newItems, cancellationToken).ConfigureAwait(false);
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AddChildrenInternal(newItems);
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await ItemRepository.SaveChildren(Id, ActualChildren.Select(i => i.Id).ToList(), cancellationToken).ConfigureAwait(false);
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}
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}
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progress.Report(10);
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cancellationToken.ThrowIfCancellationRequested();
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if (recursive)
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{
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await ValidateSubFolders(ActualChildren.OfType<Folder>().ToList(), directoryService, progress, cancellationToken).ConfigureAwait(false);
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}
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progress.Report(20);
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if (refreshChildMetadata)
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{
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var container = this as IMetadataContainer;
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var innerProgress = new ActionableProgress<double>();
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innerProgress.RegisterAction(p => progress.Report((.80 * p) + 20));
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if (container != null)
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{
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await container.RefreshAllMetadata(refreshOptions, innerProgress, cancellationToken).ConfigureAwait(false);
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}
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else
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{
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await RefreshMetadataRecursive(refreshOptions, recursive, innerProgress, cancellationToken);
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}
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}
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progress.Report(100);
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}
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private async Task RefreshMetadataRecursive(MetadataRefreshOptions refreshOptions, bool recursive, IProgress<double> progress, CancellationToken cancellationToken)
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{
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var children = ActualChildren.ToList();
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var percentages = new Dictionary<Guid, double>(children.Count);
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var tasks = new List<Task>();
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foreach (var child in children)
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{
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if (tasks.Count >= 3)
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{
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await Task.WhenAll(tasks).ConfigureAwait(false);
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tasks.Clear();
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}
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cancellationToken.ThrowIfCancellationRequested();
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var innerProgress = new ActionableProgress<double>();
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// Avoid implicitly captured closure
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var currentChild = child;
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innerProgress.RegisterAction(p =>
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{
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lock (percentages)
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{
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percentages[currentChild.Id] = p / 100;
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var percent = percentages.Values.Sum();
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percent /= children.Count;
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percent *= 100;
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progress.Report(percent);
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}
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});
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|
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if (child.IsFolder)
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{
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await RefreshChildMetadata(child, refreshOptions, recursive, innerProgress, cancellationToken)
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.ConfigureAwait(false);
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}
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else
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{
|
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// Avoid implicitly captured closure
|
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var taskChild = child;
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|
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tasks.Add(Task.Run(async () => await RefreshChildMetadata(taskChild, refreshOptions, false, innerProgress, cancellationToken).ConfigureAwait(false), cancellationToken));
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}
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}
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await Task.WhenAll(tasks).ConfigureAwait(false);
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progress.Report(100);
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}
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|
|
private async Task RefreshChildMetadata(BaseItem child, MetadataRefreshOptions refreshOptions, bool recursive, IProgress<double> progress, CancellationToken cancellationToken)
|
|
{
|
|
var container = child as IMetadataContainer;
|
|
|
|
if (container != null)
|
|
{
|
|
await container.RefreshAllMetadata(refreshOptions, progress, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
else
|
|
{
|
|
await child.RefreshMetadata(refreshOptions, cancellationToken).ConfigureAwait(false);
|
|
|
|
if (recursive)
|
|
{
|
|
var folder = child as Folder;
|
|
|
|
if (folder != null)
|
|
{
|
|
await folder.RefreshMetadataRecursive(refreshOptions, true, progress, cancellationToken);
|
|
}
|
|
}
|
|
}
|
|
progress.Report(100);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Refreshes the children.
|
|
/// </summary>
|
|
/// <param name="children">The children.</param>
|
|
/// <param name="directoryService">The directory service.</param>
|
|
/// <param name="progress">The progress.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task.</returns>
|
|
private async Task ValidateSubFolders(IList<Folder> children, IDirectoryService directoryService, IProgress<double> progress, CancellationToken cancellationToken)
|
|
{
|
|
var list = children;
|
|
var childCount = list.Count;
|
|
|
|
var percentages = new Dictionary<Guid, double>(list.Count);
|
|
|
|
foreach (var item in list)
|
|
{
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
|
|
var child = item;
|
|
|
|
var innerProgress = new ActionableProgress<double>();
|
|
|
|
innerProgress.RegisterAction(p =>
|
|
{
|
|
lock (percentages)
|
|
{
|
|
percentages[child.Id] = p / 100;
|
|
|
|
var percent = percentages.Values.Sum();
|
|
percent /= childCount;
|
|
|
|
progress.Report((10 * percent) + 10);
|
|
}
|
|
});
|
|
|
|
await child.ValidateChildrenWithCancellationSupport(innerProgress, cancellationToken, true, false, null, directoryService)
|
|
.ConfigureAwait(false);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the specified path is offline.
|
|
/// </summary>
|
|
/// <param name="path">The path.</param>
|
|
/// <returns><c>true</c> if the specified path is offline; otherwise, <c>false</c>.</returns>
|
|
private bool IsPathOffline(string path)
|
|
{
|
|
if (File.Exists(path))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
var originalPath = path;
|
|
|
|
// Depending on whether the path is local or unc, it may return either null or '\' at the top
|
|
while (!string.IsNullOrEmpty(path) && path.Length > 1)
|
|
{
|
|
if (Directory.Exists(path))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
path = System.IO.Path.GetDirectoryName(path);
|
|
}
|
|
|
|
if (ContainsPath(LibraryManager.GetDefaultVirtualFolders(), originalPath))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return UserManager.Users.Any(user => ContainsPath(LibraryManager.GetVirtualFolders(user), originalPath));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the specified folders contains path.
|
|
/// </summary>
|
|
/// <param name="folders">The folders.</param>
|
|
/// <param name="path">The path.</param>
|
|
/// <returns><c>true</c> if the specified folders contains path; otherwise, <c>false</c>.</returns>
|
|
private bool ContainsPath(IEnumerable<VirtualFolderInfo> folders, string path)
|
|
{
|
|
return folders.SelectMany(i => i.Locations).Any(i => ContainsPath(i, path));
|
|
}
|
|
|
|
private bool ContainsPath(string parent, string path)
|
|
{
|
|
return string.Equals(parent, path, StringComparison.OrdinalIgnoreCase) || FileSystem.ContainsSubPath(parent, path);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get the children of this folder from the actual file system
|
|
/// </summary>
|
|
/// <returns>IEnumerable{BaseItem}.</returns>
|
|
protected virtual IEnumerable<BaseItem> GetNonCachedChildren(IDirectoryService directoryService)
|
|
{
|
|
return LibraryManager.ResolvePaths<BaseItem>(GetFileSystemChildren(directoryService), directoryService, this);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get our children from the repo - stubbed for now
|
|
/// </summary>
|
|
/// <returns>IEnumerable{BaseItem}.</returns>
|
|
protected IEnumerable<BaseItem> GetCachedChildren()
|
|
{
|
|
return ItemRepository.GetChildren(Id).Select(RetrieveChild).Where(i => i != null);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Retrieves the child.
|
|
/// </summary>
|
|
/// <param name="child">The child.</param>
|
|
/// <returns>BaseItem.</returns>
|
|
private BaseItem RetrieveChild(Guid child)
|
|
{
|
|
var item = LibraryManager.RetrieveItem(child);
|
|
|
|
if (item != null)
|
|
{
|
|
if (item is IByReferenceItem)
|
|
{
|
|
return LibraryManager.GetOrAddByReferenceItem(item);
|
|
}
|
|
|
|
item.Parent = this;
|
|
}
|
|
|
|
return item;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets allowed children of an item
|
|
/// </summary>
|
|
/// <param name="user">The user.</param>
|
|
/// <param name="includeLinkedChildren">if set to <c>true</c> [include linked children].</param>
|
|
/// <returns>IEnumerable{BaseItem}.</returns>
|
|
/// <exception cref="System.ArgumentNullException"></exception>
|
|
public virtual IEnumerable<BaseItem> GetChildren(User user, bool includeLinkedChildren)
|
|
{
|
|
if (user == null)
|
|
{
|
|
throw new ArgumentNullException();
|
|
}
|
|
|
|
//the true root should return our users root folder children
|
|
if (IsPhysicalRoot) return user.RootFolder.GetChildren(user, includeLinkedChildren);
|
|
|
|
var list = new List<BaseItem>();
|
|
|
|
AddChildrenToList(user, includeLinkedChildren, list, false, null);
|
|
|
|
return list;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Adds the children to list.
|
|
/// </summary>
|
|
/// <param name="user">The user.</param>
|
|
/// <param name="includeLinkedChildren">if set to <c>true</c> [include linked children].</param>
|
|
/// <param name="list">The list.</param>
|
|
/// <param name="recursive">if set to <c>true</c> [recursive].</param>
|
|
/// <param name="filter">The filter.</param>
|
|
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
|
|
private bool AddChildrenToList(User user, bool includeLinkedChildren, List<BaseItem> list, bool recursive, Func<BaseItem, bool> filter)
|
|
{
|
|
var hasLinkedChildren = false;
|
|
|
|
foreach (var child in Children)
|
|
{
|
|
if (child.IsVisible(user))
|
|
{
|
|
if (filter == null || filter(child))
|
|
{
|
|
list.Add(child);
|
|
}
|
|
|
|
if (recursive && child.IsFolder)
|
|
{
|
|
var folder = (Folder)child;
|
|
|
|
if (folder.AddChildrenToList(user, includeLinkedChildren, list, true, filter))
|
|
{
|
|
hasLinkedChildren = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (includeLinkedChildren)
|
|
{
|
|
foreach (var child in GetLinkedChildren())
|
|
{
|
|
if (filter != null && !filter(child))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (child.IsVisible(user))
|
|
{
|
|
hasLinkedChildren = true;
|
|
|
|
list.Add(child);
|
|
}
|
|
}
|
|
}
|
|
|
|
return hasLinkedChildren;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets allowed recursive children of an item
|
|
/// </summary>
|
|
/// <param name="user">The user.</param>
|
|
/// <param name="includeLinkedChildren">if set to <c>true</c> [include linked children].</param>
|
|
/// <returns>IEnumerable{BaseItem}.</returns>
|
|
/// <exception cref="System.ArgumentNullException"></exception>
|
|
public IEnumerable<BaseItem> GetRecursiveChildren(User user, bool includeLinkedChildren = true)
|
|
{
|
|
return GetRecursiveChildren(user, null, includeLinkedChildren);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the recursive children.
|
|
/// </summary>
|
|
/// <param name="user">The user.</param>
|
|
/// <param name="filter">The filter.</param>
|
|
/// <param name="includeLinkedChildren">if set to <c>true</c> [include linked children].</param>
|
|
/// <returns>IList{BaseItem}.</returns>
|
|
/// <exception cref="System.ArgumentNullException"></exception>
|
|
public IList<BaseItem> GetRecursiveChildren(User user, Func<BaseItem, bool> filter, bool includeLinkedChildren = true)
|
|
{
|
|
if (user == null)
|
|
{
|
|
throw new ArgumentNullException("user");
|
|
}
|
|
|
|
var list = new List<BaseItem>();
|
|
|
|
var hasLinkedChildren = AddChildrenToList(user, includeLinkedChildren, list, true, filter);
|
|
|
|
return hasLinkedChildren ? list.DistinctBy(i => i.Id).ToList() : list;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the recursive children.
|
|
/// </summary>
|
|
/// <returns>IList{BaseItem}.</returns>
|
|
public IList<BaseItem> GetRecursiveChildren()
|
|
{
|
|
return GetRecursiveChildren(i => true);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the recursive children.
|
|
/// </summary>
|
|
/// <param name="filter">The filter.</param>
|
|
/// <returns>IEnumerable{BaseItem}.</returns>
|
|
public IList<BaseItem> GetRecursiveChildren(Func<BaseItem, bool> filter)
|
|
{
|
|
var list = new List<BaseItem>();
|
|
|
|
AddChildrenToList(list, true, filter);
|
|
|
|
return list;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Adds the children to list.
|
|
/// </summary>
|
|
/// <param name="list">The list.</param>
|
|
/// <param name="recursive">if set to <c>true</c> [recursive].</param>
|
|
/// <param name="filter">The filter.</param>
|
|
private void AddChildrenToList(List<BaseItem> list, bool recursive, Func<BaseItem, bool> filter)
|
|
{
|
|
foreach (var child in Children)
|
|
{
|
|
if (filter == null || filter(child))
|
|
{
|
|
list.Add(child);
|
|
}
|
|
|
|
if (recursive && child.IsFolder)
|
|
{
|
|
var folder = (Folder)child;
|
|
|
|
folder.AddChildrenToList(list, true, filter);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// Gets the linked children.
|
|
/// </summary>
|
|
/// <returns>IEnumerable{BaseItem}.</returns>
|
|
public IEnumerable<BaseItem> GetLinkedChildren()
|
|
{
|
|
return LinkedChildren
|
|
.Select(GetLinkedChild)
|
|
.Where(i => i != null);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the linked child.
|
|
/// </summary>
|
|
/// <param name="info">The info.</param>
|
|
/// <returns>BaseItem.</returns>
|
|
private BaseItem GetLinkedChild(LinkedChild info)
|
|
{
|
|
// First get using the cached Id
|
|
if (info.ItemId.HasValue)
|
|
{
|
|
if (info.ItemId.Value == Guid.Empty)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
var itemById = LibraryManager.GetItemById(info.ItemId.Value);
|
|
|
|
if (itemById != null)
|
|
{
|
|
return itemById;
|
|
}
|
|
}
|
|
|
|
var item = FindLinkedChild(info);
|
|
|
|
// If still null, log
|
|
if (item == null)
|
|
{
|
|
// Don't keep searching over and over
|
|
info.ItemId = Guid.Empty;
|
|
}
|
|
else
|
|
{
|
|
// Cache the id for next time
|
|
info.ItemId = item.Id;
|
|
}
|
|
|
|
return item;
|
|
}
|
|
|
|
private BaseItem FindLinkedChild(LinkedChild info)
|
|
{
|
|
if (!string.IsNullOrEmpty(info.Path))
|
|
{
|
|
var itemByPath = LibraryManager.RootFolder.FindByPath(info.Path);
|
|
|
|
if (itemByPath == null)
|
|
{
|
|
Logger.Warn("Unable to find linked item at path {0}", info.Path);
|
|
}
|
|
|
|
return itemByPath;
|
|
}
|
|
|
|
if (!string.IsNullOrWhiteSpace(info.ItemName) && !string.IsNullOrWhiteSpace(info.ItemType))
|
|
{
|
|
return LibraryManager.RootFolder.RecursiveChildren.FirstOrDefault(i =>
|
|
{
|
|
if (string.Equals(i.Name, info.ItemName, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
if (string.Equals(i.GetType().Name, info.ItemType, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
if (info.ItemYear.HasValue)
|
|
{
|
|
return info.ItemYear.Value == (i.ProductionYear ?? -1);
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
});
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
protected override async Task<bool> RefreshedOwnedItems(MetadataRefreshOptions options, List<FileSystemInfo> fileSystemChildren, CancellationToken cancellationToken)
|
|
{
|
|
var changesFound = false;
|
|
|
|
if (SupportsShortcutChildren && LocationType == LocationType.FileSystem)
|
|
{
|
|
if (RefreshLinkedChildren(fileSystemChildren))
|
|
{
|
|
changesFound = true;
|
|
}
|
|
}
|
|
|
|
var baseHasChanges = await base.RefreshedOwnedItems(options, fileSystemChildren, cancellationToken).ConfigureAwait(false);
|
|
|
|
return baseHasChanges || changesFound;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Refreshes the linked children.
|
|
/// </summary>
|
|
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
|
|
private bool RefreshLinkedChildren(IEnumerable<FileSystemInfo> fileSystemChildren)
|
|
{
|
|
var currentManualLinks = LinkedChildren.Where(i => i.Type == LinkedChildType.Manual).ToList();
|
|
var currentShortcutLinks = LinkedChildren.Where(i => i.Type == LinkedChildType.Shortcut).ToList();
|
|
|
|
var newShortcutLinks = fileSystemChildren
|
|
.Where(i => (i.Attributes & FileAttributes.Directory) != FileAttributes.Directory && FileSystem.IsShortcut(i.FullName))
|
|
.Select(i =>
|
|
{
|
|
try
|
|
{
|
|
Logger.Debug("Found shortcut at {0}", i.FullName);
|
|
|
|
var resolvedPath = FileSystem.ResolveShortcut(i.FullName);
|
|
|
|
if (!string.IsNullOrEmpty(resolvedPath))
|
|
{
|
|
return new LinkedChild
|
|
{
|
|
Path = resolvedPath,
|
|
Type = LinkedChildType.Shortcut
|
|
};
|
|
}
|
|
|
|
Logger.Error("Error resolving shortcut {0}", i.FullName);
|
|
|
|
return null;
|
|
}
|
|
catch (IOException ex)
|
|
{
|
|
Logger.ErrorException("Error resolving shortcut {0}", ex, i.FullName);
|
|
return null;
|
|
}
|
|
})
|
|
.Where(i => i != null)
|
|
.ToList();
|
|
|
|
if (!newShortcutLinks.SequenceEqual(currentShortcutLinks, new LinkedChildComparer()))
|
|
{
|
|
Logger.Info("Shortcut links have changed for {0}", Path);
|
|
|
|
newShortcutLinks.AddRange(currentManualLinks);
|
|
LinkedChildren = newShortcutLinks;
|
|
return true;
|
|
}
|
|
|
|
foreach (var child in LinkedChildren)
|
|
{
|
|
// Reset the cached value
|
|
if (child.ItemId.HasValue && child.ItemId.Value == Guid.Empty)
|
|
{
|
|
child.ItemId = null;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Folders need to validate and refresh
|
|
/// </summary>
|
|
/// <returns>Task.</returns>
|
|
public override async Task ChangedExternally()
|
|
{
|
|
var progress = new Progress<double>();
|
|
|
|
await ValidateChildren(progress, CancellationToken.None).ConfigureAwait(false);
|
|
|
|
await base.ChangedExternally().ConfigureAwait(false);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Marks the played.
|
|
/// </summary>
|
|
/// <param name="user">The user.</param>
|
|
/// <param name="datePlayed">The date played.</param>
|
|
/// <param name="userManager">The user manager.</param>
|
|
/// <returns>Task.</returns>
|
|
public override async Task MarkPlayed(User user, DateTime? datePlayed, IUserDataManager userManager)
|
|
{
|
|
// Sweep through recursively and update status
|
|
var tasks = GetRecursiveChildren(user, true).Where(i => !i.IsFolder && i.LocationType != LocationType.Virtual).Select(c => c.MarkPlayed(user, datePlayed, userManager));
|
|
|
|
await Task.WhenAll(tasks).ConfigureAwait(false);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Marks the unplayed.
|
|
/// </summary>
|
|
/// <param name="user">The user.</param>
|
|
/// <param name="userManager">The user manager.</param>
|
|
/// <returns>Task.</returns>
|
|
public override async Task MarkUnplayed(User user, IUserDataManager userManager)
|
|
{
|
|
// Sweep through recursively and update status
|
|
var tasks = GetRecursiveChildren(user, true).Where(i => !i.IsFolder && i.LocationType != LocationType.Virtual).Select(c => c.MarkUnplayed(user, userManager));
|
|
|
|
await Task.WhenAll(tasks).ConfigureAwait(false);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Finds an item by path, recursively
|
|
/// </summary>
|
|
/// <param name="path">The path.</param>
|
|
/// <returns>BaseItem.</returns>
|
|
/// <exception cref="System.ArgumentNullException"></exception>
|
|
public BaseItem FindByPath(string path)
|
|
{
|
|
if (string.IsNullOrEmpty(path))
|
|
{
|
|
throw new ArgumentNullException();
|
|
}
|
|
|
|
if (string.Equals(Path, path, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return this;
|
|
}
|
|
|
|
if (PhysicalLocations.Contains(path, StringComparer.OrdinalIgnoreCase))
|
|
{
|
|
return this;
|
|
}
|
|
|
|
return RecursiveChildren.FirstOrDefault(i => string.Equals(i.Path, path, StringComparison.OrdinalIgnoreCase) ||
|
|
(!i.IsFolder && !i.IsInMixedFolder && string.Equals(i.ContainingFolderPath, path, StringComparison.OrdinalIgnoreCase)) ||
|
|
i.PhysicalLocations.Contains(path, StringComparer.OrdinalIgnoreCase));
|
|
}
|
|
|
|
public override bool IsPlayed(User user)
|
|
{
|
|
return GetRecursiveChildren(user).Where(i => !i.IsFolder && i.LocationType != LocationType.Virtual)
|
|
.All(i => i.IsPlayed(user));
|
|
}
|
|
|
|
public override bool IsUnplayed(User user)
|
|
{
|
|
return GetRecursiveChildren(user).Where(i => !i.IsFolder && i.LocationType != LocationType.Virtual)
|
|
.All(i => i.IsUnplayed(user));
|
|
}
|
|
|
|
public IEnumerable<BaseItem> GetHiddenChildren()
|
|
{
|
|
return ActualChildren.Where(i => i.IsHidden);
|
|
}
|
|
}
|
|
}
|