using MediaBrowser.Common.Progress;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Localization;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Querying;
using MoreLinq;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.Serialization;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Controller.Entities
{
///
/// Class Folder
///
public class Folder : BaseItem, IHasThemeMedia, IHasTags
{
public static IUserManager UserManager { get; set; }
public static IUserViewManager UserViewManager { get; set; }
public List ThemeSongIds { get; set; }
public List ThemeVideoIds { get; set; }
public List Tags { get; set; }
public Folder()
{
LinkedChildren = new List();
ThemeSongIds = new List();
ThemeVideoIds = new List();
Tags = new List();
}
[IgnoreDataMember]
public virtual bool IsPreSorted
{
get { return false; }
}
///
/// Gets a value indicating whether this instance is folder.
///
/// true if this instance is folder; otherwise, false.
[IgnoreDataMember]
public override bool IsFolder
{
get
{
return true;
}
}
[IgnoreDataMember]
public override string FileNameWithoutExtension
{
get
{
if (LocationType == LocationType.FileSystem)
{
return System.IO.Path.GetFileName(Path);
}
return null;
}
}
///
/// Gets or sets a value indicating whether this instance is physical root.
///
/// true if this instance is physical root; otherwise, false.
public bool IsPhysicalRoot { get; set; }
///
/// Gets or sets a value indicating whether this instance is root.
///
/// true if this instance is root; otherwise, false.
public bool IsRoot { get; set; }
///
/// Gets a value indicating whether this instance is virtual folder.
///
/// true if this instance is virtual folder; otherwise, false.
[IgnoreDataMember]
public virtual bool IsVirtualFolder
{
get
{
return false;
}
}
public virtual List LinkedChildren { get; set; }
protected virtual bool SupportsShortcutChildren
{
get { return true; }
}
///
/// Adds the child.
///
/// The item.
/// The cancellation token.
/// Task.
/// Unable to add + item.Name
public async Task AddChild(BaseItem item, CancellationToken cancellationToken)
{
item.Parent = this;
if (item.Id == Guid.Empty)
{
item.Id = LibraryManager.GetNewItemId(item.Path, item.GetType());
}
if (ActualChildren.Any(i => i.Id == item.Id))
{
throw new ArgumentException(string.Format("A child with the Id {0} already exists.", item.Id));
}
if (item.DateCreated == DateTime.MinValue)
{
item.DateCreated = DateTime.UtcNow;
}
if (item.DateModified == DateTime.MinValue)
{
item.DateModified = DateTime.UtcNow;
}
AddChildInternal(item);
await LibraryManager.CreateItem(item, cancellationToken).ConfigureAwait(false);
await ItemRepository.SaveChildren(Id, ActualChildren.Select(i => i.Id).ToList(), cancellationToken).ConfigureAwait(false);
}
protected void AddChildrenInternal(IEnumerable children)
{
lock (_childrenSyncLock)
{
var newChildren = ActualChildren.ToList();
newChildren.AddRange(children);
_children = newChildren;
}
}
protected void AddChildInternal(BaseItem child)
{
lock (_childrenSyncLock)
{
var newChildren = ActualChildren.ToList();
newChildren.Add(child);
_children = newChildren;
}
}
protected void RemoveChildrenInternal(IEnumerable children)
{
var ids = children.Select(i => i.Id).ToList();
lock (_childrenSyncLock)
{
_children = ActualChildren.Where(i => !ids.Contains(i.Id)).ToList();
}
}
protected void ClearChildrenInternal()
{
lock (_childrenSyncLock)
{
_children = new List();
}
}
[IgnoreDataMember]
public override string OfficialRatingForComparison
{
get
{
// Never want folders to be blocked by "BlockNotRated"
if (this is Series)
{
return base.OfficialRatingForComparison;
}
return !string.IsNullOrEmpty(base.OfficialRatingForComparison) ? base.OfficialRatingForComparison : "None";
}
}
///
/// Removes the child.
///
/// The item.
/// The cancellation token.
/// Task.
/// Unable to remove + item.Name
public Task RemoveChild(BaseItem item, CancellationToken cancellationToken)
{
RemoveChildrenInternal(new[] { item });
item.Parent = null;
return ItemRepository.SaveChildren(Id, ActualChildren.Select(i => i.Id).ToList(), cancellationToken);
}
///
/// Clears the children.
///
/// The cancellation token.
/// Task.
public Task ClearChildren(CancellationToken cancellationToken)
{
var items = ActualChildren.ToList();
ClearChildrenInternal();
foreach (var item in items)
{
LibraryManager.ReportItemRemoved(item);
}
return ItemRepository.SaveChildren(Id, ActualChildren.Select(i => i.Id).ToList(), cancellationToken);
}
#region Indexing
///
/// Returns the valid set of index by options for this folder type.
/// Override or extend to modify.
///
/// Dictionary{System.StringFunc{UserIEnumerable{BaseItem}}}.
protected virtual IEnumerable GetIndexByOptions()
{
return new List {
{LocalizedStrings.Instance.GetString("NoneDispPref")},
{LocalizedStrings.Instance.GetString("PerformerDispPref")},
{LocalizedStrings.Instance.GetString("GenreDispPref")},
{LocalizedStrings.Instance.GetString("DirectorDispPref")},
{LocalizedStrings.Instance.GetString("YearDispPref")},
{LocalizedStrings.Instance.GetString("StudioDispPref")}
};
}
///
/// Get the list of indexy by choices for this folder (localized).
///
/// The index by option strings.
[IgnoreDataMember]
public IEnumerable IndexByOptionStrings
{
get { return GetIndexByOptions(); }
}
#endregion
///
/// The children
///
private IReadOnlyList _children;
///
/// The _children sync lock
///
private readonly object _childrenSyncLock = new object();
///
/// Gets or sets the actual children.
///
/// The actual children.
protected virtual IEnumerable ActualChildren
{
get
{
return _children ?? (_children = LoadChildrenInternal());
}
}
///
/// thread-safe access to the actual children of this folder - without regard to user
///
/// The children.
[IgnoreDataMember]
public IEnumerable Children
{
get { return ActualChildren; }
}
///
/// thread-safe access to all recursive children of this folder - without regard to user
///
/// The recursive children.
[IgnoreDataMember]
public IEnumerable RecursiveChildren
{
get { return GetRecursiveChildren(); }
}
public override bool IsVisible(User user)
{
if (this is ICollectionFolder)
{
if (user.Configuration.BlockedMediaFolders.Contains(Id.ToString("N"), StringComparer.OrdinalIgnoreCase) ||
// Backwards compatibility
user.Configuration.BlockedMediaFolders.Contains(Name, StringComparer.OrdinalIgnoreCase))
{
return false;
}
}
return base.IsVisible(user);
}
private List LoadChildrenInternal()
{
return LoadChildren().ToList();
}
///
/// Loads our children. Validation will occur externally.
/// We want this sychronous.
///
protected virtual IEnumerable LoadChildren()
{
//just load our children from the repo - the library will be validated and maintained in other processes
return GetCachedChildren();
}
public Task ValidateChildren(IProgress progress, CancellationToken cancellationToken)
{
return ValidateChildren(progress, cancellationToken, new MetadataRefreshOptions(new DirectoryService()));
}
///
/// Validates that the children of the folder still exist
///
/// The progress.
/// The cancellation token.
/// The metadata refresh options.
/// if set to true [recursive].
/// Task.
public Task ValidateChildren(IProgress progress, CancellationToken cancellationToken, MetadataRefreshOptions metadataRefreshOptions, bool recursive = true)
{
return ValidateChildrenWithCancellationSupport(progress, cancellationToken, recursive, true, metadataRefreshOptions, metadataRefreshOptions.DirectoryService);
}
private Task ValidateChildrenWithCancellationSupport(IProgress progress, CancellationToken cancellationToken, bool recursive, bool refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService)
{
return ValidateChildrenInternal(progress, cancellationToken, recursive, refreshChildMetadata, refreshOptions, directoryService);
}
private Dictionary GetActualChildrenDictionary()
{
var dictionary = new Dictionary();
foreach (var child in ActualChildren)
{
var id = child.Id;
if (dictionary.ContainsKey(id))
{
Logger.Error("Found folder containing items with duplicate id. Path: {0}, Child Name: {1}",
Path ?? Name,
child.Path ?? child.Name);
}
else
{
dictionary[id] = child;
}
}
return dictionary;
}
private bool IsValidFromResolver(BaseItem current, BaseItem newItem)
{
return current.IsValidFromResolver(newItem);
}
///
/// Validates the children internal.
///
/// The progress.
/// The cancellation token.
/// if set to true [recursive].
/// if set to true [refresh child metadata].
/// The refresh options.
/// The directory service.
/// Task.
protected async virtual Task ValidateChildrenInternal(IProgress progress, CancellationToken cancellationToken, bool recursive, bool refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService)
{
var locationType = LocationType;
cancellationToken.ThrowIfCancellationRequested();
var validChildren = new List();
if (locationType != LocationType.Remote && locationType != LocationType.Virtual)
{
IEnumerable nonCachedChildren;
try
{
nonCachedChildren = GetNonCachedChildren(directoryService);
}
catch (IOException ex)
{
nonCachedChildren = new BaseItem[] { };
Logger.ErrorException("Error getting file system entries for {0}", ex, Path);
}
if (nonCachedChildren == null) return; //nothing to validate
progress.Report(5);
//build a dictionary of the current children we have now by Id so we can compare quickly and easily
var currentChildren = GetActualChildrenDictionary();
//create a list for our validated children
var newItems = new List();
cancellationToken.ThrowIfCancellationRequested();
foreach (var child in nonCachedChildren)
{
BaseItem currentChild;
if (currentChildren.TryGetValue(child.Id, out currentChild))
{
if (IsValidFromResolver(currentChild, child))
{
var currentChildLocationType = currentChild.LocationType;
if (currentChildLocationType != LocationType.Remote &&
currentChildLocationType != LocationType.Virtual)
{
currentChild.DateModified = child.DateModified;
}
currentChild.IsOffline = false;
validChildren.Add(currentChild);
}
else
{
newItems.Add(child);
validChildren.Add(child);
}
}
else
{
// Brand new item - needs to be added
newItems.Add(child);
validChildren.Add(child);
}
}
// If any items were added or removed....
if (newItems.Count > 0 || currentChildren.Count != validChildren.Count)
{
// That's all the new and changed ones - now see if there are any that are missing
var itemsRemoved = currentChildren.Values.Except(validChildren).ToList();
var actualRemovals = new List();
foreach (var item in itemsRemoved)
{
if (item.LocationType == LocationType.Virtual ||
item.LocationType == LocationType.Remote)
{
// Don't remove these because there's no way to accurately validate them.
validChildren.Add(item);
}
else if (!string.IsNullOrEmpty(item.Path) && IsPathOffline(item.Path))
{
item.IsOffline = true;
validChildren.Add(item);
}
else
{
item.IsOffline = false;
actualRemovals.Add(item);
}
}
if (actualRemovals.Count > 0)
{
RemoveChildrenInternal(actualRemovals);
foreach (var item in actualRemovals)
{
LibraryManager.ReportItemRemoved(item);
}
}
await LibraryManager.CreateItems(newItems, cancellationToken).ConfigureAwait(false);
AddChildrenInternal(newItems);
await ItemRepository.SaveChildren(Id, ActualChildren.Select(i => i.Id).ToList(), cancellationToken).ConfigureAwait(false);
}
}
progress.Report(10);
cancellationToken.ThrowIfCancellationRequested();
if (recursive)
{
await ValidateSubFolders(ActualChildren.OfType().ToList(), directoryService, progress, cancellationToken).ConfigureAwait(false);
}
progress.Report(20);
if (refreshChildMetadata)
{
var container = this as IMetadataContainer;
var innerProgress = new ActionableProgress();
innerProgress.RegisterAction(p => progress.Report((.80 * p) + 20));
if (container != null)
{
await container.RefreshAllMetadata(refreshOptions, innerProgress, cancellationToken).ConfigureAwait(false);
}
else
{
await RefreshMetadataRecursive(refreshOptions, recursive, innerProgress, cancellationToken);
}
}
progress.Report(100);
}
private async Task RefreshMetadataRecursive(MetadataRefreshOptions refreshOptions, bool recursive, IProgress progress, CancellationToken cancellationToken)
{
var children = ActualChildren.ToList();
var percentages = new Dictionary(children.Count);
var tasks = new List();
foreach (var child in children)
{
if (tasks.Count >= 3)
{
await Task.WhenAll(tasks).ConfigureAwait(false);
tasks.Clear();
}
cancellationToken.ThrowIfCancellationRequested();
var innerProgress = new ActionableProgress();
// Avoid implicitly captured closure
var currentChild = child;
innerProgress.RegisterAction(p =>
{
lock (percentages)
{
percentages[currentChild.Id] = p / 100;
var percent = percentages.Values.Sum();
percent /= children.Count;
percent *= 100;
progress.Report(percent);
}
});
if (child.IsFolder)
{
await RefreshChildMetadata(child, refreshOptions, recursive, innerProgress, cancellationToken)
.ConfigureAwait(false);
}
else
{
// Avoid implicitly captured closure
var taskChild = child;
tasks.Add(Task.Run(async () => await RefreshChildMetadata(taskChild, refreshOptions, false, innerProgress, cancellationToken).ConfigureAwait(false), cancellationToken));
}
}
await Task.WhenAll(tasks).ConfigureAwait(false);
progress.Report(100);
}
private async Task RefreshChildMetadata(BaseItem child, MetadataRefreshOptions refreshOptions, bool recursive, IProgress 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);
}
///
/// Refreshes the children.
///
/// The children.
/// The directory service.
/// The progress.
/// The cancellation token.
/// Task.
private async Task ValidateSubFolders(IList children, IDirectoryService directoryService, IProgress progress, CancellationToken cancellationToken)
{
var list = children;
var childCount = list.Count;
var percentages = new Dictionary(list.Count);
foreach (var item in list)
{
cancellationToken.ThrowIfCancellationRequested();
var child = item;
var innerProgress = new ActionableProgress();
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);
}
}
///
/// Determines whether the specified path is offline.
///
/// The path.
/// true if the specified path is offline; otherwise, false.
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));
}
///
/// Determines whether the specified folders contains path.
///
/// The folders.
/// The path.
/// true if the specified folders contains path; otherwise, false.
private bool ContainsPath(IEnumerable 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);
}
///
/// Get the children of this folder from the actual file system
///
/// IEnumerable{BaseItem}.
protected virtual IEnumerable GetNonCachedChildren(IDirectoryService directoryService)
{
var collectionType = LibraryManager.FindCollectionType(this);
return LibraryManager.ResolvePaths(GetFileSystemChildren(directoryService), directoryService, this, collectionType);
}
///
/// Get our children from the repo - stubbed for now
///
/// IEnumerable{BaseItem}.
protected IEnumerable GetCachedChildren()
{
var childrenItems = ItemRepository.GetChildrenItems(Id).Select(RetrieveChild).Where(i => i != null);
//var children = ItemRepository.GetChildren(Id).Select(RetrieveChild).Where(i => i != null).ToList();
//if (children.Count != childrenItems.Count)
//{
// var b = this;
//}
return childrenItems;
}
///
/// Retrieves the child.
///
/// The child.
/// BaseItem.
private BaseItem RetrieveChild(Guid child)
{
var item = LibraryManager.GetItemById(child);
if (item != null)
{
if (item is IByReferenceItem)
{
return LibraryManager.GetOrAddByReferenceItem(item);
}
item.Parent = this;
}
return item;
}
private BaseItem RetrieveChild(BaseItem child)
{
if (child.Id == Guid.Empty)
{
Logger.Error("Item found with empty Id: " + (child.Path ?? child.Name));
return null;
}
var item = LibraryManager.GetMemoryItemById(child.Id);
if (item != null)
{
if (item is IByReferenceItem)
{
return LibraryManager.GetOrAddByReferenceItem(item);
}
item.Parent = this;
}
else
{
child.Parent = this;
LibraryManager.RegisterItem(child);
item = child;
}
return item;
}
public virtual Task> GetItems(InternalItemsQuery query)
{
var user = query.User;
var items = query.Recursive
? GetRecursiveChildren(user)
: GetChildren(user, true);
var result = SortAndFilter(items, query);
return Task.FromResult(result);
}
protected QueryResult SortAndFilter(IEnumerable items, InternalItemsQuery query)
{
return UserViewBuilder.SortAndFilter(items, this, null, query, LibraryManager, UserDataManager);
}
///
/// Gets allowed children of an item
///
/// The user.
/// if set to true [include linked children].
/// IEnumerable{BaseItem}.
///
public virtual IEnumerable GetChildren(User user, bool includeLinkedChildren)
{
return GetChildren(user, includeLinkedChildren, false);
}
internal IEnumerable GetChildren(User user, bool includeLinkedChildren, bool includeHidden)
{
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();
var hasLinkedChildren = AddChildrenToList(user, includeLinkedChildren, list, includeHidden, false);
return hasLinkedChildren ? list.DistinctBy(i => i.Id).ToList() : list;
}
protected virtual IEnumerable GetEligibleChildrenForRecursiveChildren(User user)
{
return Children;
}
///
/// Adds the children to list.
///
/// The user.
/// if set to true [include linked children].
/// The list.
/// if set to true [include hidden].
/// if set to true [recursive].
/// true if XXXX, false otherwise
private bool AddChildrenToList(User user, bool includeLinkedChildren, List list, bool includeHidden, bool recursive)
{
var hasLinkedChildren = false;
foreach (var child in GetEligibleChildrenForRecursiveChildren(user))
{
if (child.IsVisible(user))
{
if (includeHidden || !child.IsHiddenFromUser(user))
{
list.Add(child);
}
if (recursive && child.IsFolder)
{
var folder = (Folder)child;
if (folder.AddChildrenToList(user, includeLinkedChildren, list, includeHidden, true))
{
hasLinkedChildren = true;
}
}
}
}
if (includeLinkedChildren)
{
foreach (var child in GetLinkedChildren(user))
{
if (child.IsVisible(user))
{
hasLinkedChildren = true;
list.Add(child);
}
}
}
return hasLinkedChildren;
}
///
/// Gets allowed recursive children of an item
///
/// The user.
/// if set to true [include linked children].
/// IEnumerable{BaseItem}.
///
public virtual IEnumerable GetRecursiveChildren(User user, bool includeLinkedChildren = true)
{
if (user == null)
{
throw new ArgumentNullException("user");
}
var list = new List();
var hasLinkedChildren = AddChildrenToList(user, includeLinkedChildren, list, false, true);
return hasLinkedChildren ? list.DistinctBy(i => i.Id).ToList() : list;
}
///
/// Gets the recursive children.
///
/// IList{BaseItem}.
public IList GetRecursiveChildren()
{
var list = new List();
AddChildrenToList(list, true, null);
return list;
}
///
/// Adds the children to list.
///
/// The list.
/// if set to true [recursive].
/// The filter.
private void AddChildrenToList(List list, bool recursive, Func 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);
}
}
}
///
/// Gets the linked children.
///
/// IEnumerable{BaseItem}.
public IEnumerable GetLinkedChildren()
{
return LinkedChildren
.Select(GetLinkedChild)
.Where(i => i != null);
}
protected virtual bool FilterLinkedChildrenPerUser
{
get
{
return false;
}
}
public IEnumerable GetLinkedChildren(User user)
{
if (!FilterLinkedChildrenPerUser || user == null)
{
return GetLinkedChildren();
}
var locations = user.RootFolder
.GetChildren(user, true)
.OfType()
.SelectMany(i => i.PhysicalLocations)
.ToList();
return LinkedChildren
.Select(i =>
{
var requiresPostFilter = true;
if (!string.IsNullOrWhiteSpace(i.Path))
{
requiresPostFilter = false;
if (!locations.Any(l => FileSystem.ContainsSubPath(l, i.Path)))
{
return null;
}
}
var child = GetLinkedChild(i);
if (requiresPostFilter && child != null)
{
if (string.IsNullOrWhiteSpace(child.Path))
{
Logger.Debug("Found LinkedChild with null path: {0}", child.Name);
return child;
}
if (!locations.Any(l => FileSystem.ContainsSubPath(l, child.Path)))
{
return null;
}
}
return child;
})
.Where(i => i != null);
}
///
/// Gets the linked children.
///
/// IEnumerable{BaseItem}.
public IEnumerable> GetLinkedChildrenInfos()
{
return LinkedChildren
.Select(i => new Tuple(i, GetLinkedChild(i)))
.Where(i => i.Item2 != null);
}
protected override async Task RefreshedOwnedItems(MetadataRefreshOptions options, List 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;
}
///
/// Refreshes the linked children.
///
/// true if XXXX, false otherwise
private bool RefreshLinkedChildren(IEnumerable 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;
}
///
/// Folders need to validate and refresh
///
/// Task.
public override async Task ChangedExternally()
{
var progress = new Progress();
await ValidateChildren(progress, CancellationToken.None).ConfigureAwait(false);
await base.ChangedExternally().ConfigureAwait(false);
}
///
/// Marks the played.
///
/// The user.
/// The date played.
/// if set to true [reset position].
/// Task.
public override async Task MarkPlayed(User user,
DateTime? datePlayed,
bool resetPosition)
{
// 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, resetPosition));
await Task.WhenAll(tasks).ConfigureAwait(false);
}
///
/// Marks the unplayed.
///
/// The user.
/// Task.
public override async Task MarkUnplayed(User user)
{
// Sweep through recursively and update status
var tasks = GetRecursiveChildren(user, true)
.Where(i => !i.IsFolder && i.LocationType != LocationType.Virtual)
.Select(c => c.MarkUnplayed(user));
await Task.WhenAll(tasks).ConfigureAwait(false);
}
///
/// Finds an item by path, recursively
///
/// The path.
/// BaseItem.
///
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 !IsPlayed(user);
}
public override void FillUserDataDtoValues(UserItemDataDto dto, UserItemData userData, User user)
{
var recursiveItemCount = 0;
var unplayed = 0;
double totalPercentPlayed = 0;
IEnumerable children;
var folder = this;
var season = folder as Season;
if (season != null)
{
children = season.GetEpisodes(user).Where(i => i.LocationType != LocationType.Virtual);
}
else
{
children = folder.GetRecursiveChildren(user)
.Where(i => !i.IsFolder && i.LocationType != LocationType.Virtual);
}
// Loop through each recursive child
foreach (var child in children)
{
recursiveItemCount++;
var isUnplayed = true;
var itemUserData = UserDataManager.GetUserData(user.Id, child.GetUserDataKey());
// Incrememt totalPercentPlayed
if (itemUserData != null)
{
if (itemUserData.Played)
{
totalPercentPlayed += 100;
isUnplayed = false;
}
else if (itemUserData.PlaybackPositionTicks > 0 && child.RunTimeTicks.HasValue && child.RunTimeTicks.Value > 0)
{
double itemPercent = itemUserData.PlaybackPositionTicks;
itemPercent /= child.RunTimeTicks.Value;
totalPercentPlayed += itemPercent;
}
}
if (isUnplayed)
{
unplayed++;
}
}
dto.UnplayedItemCount = unplayed;
if (recursiveItemCount > 0)
{
dto.PlayedPercentage = totalPercentPlayed / recursiveItemCount;
dto.Played = dto.PlayedPercentage.Value >= 100;
}
}
}
}