jellyfin/Emby.Server.Implementations/Collections/CollectionManager.cs

413 lines
14 KiB
C#

using MediaBrowser.Common.Events;
using MediaBrowser.Controller.Collections;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Extensions;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Configuration;
using MediaBrowser.Controller.Plugins;
using MediaBrowser.Model.Globalization;
namespace Emby.Server.Implementations.Collections
{
public class CollectionManager : ICollectionManager
{
private readonly ILibraryManager _libraryManager;
private readonly IFileSystem _fileSystem;
private readonly ILibraryMonitor _iLibraryMonitor;
private readonly ILogger _logger;
private readonly IProviderManager _providerManager;
private readonly ILocalizationManager _localizationManager;
private IApplicationPaths _appPaths;
public event EventHandler<CollectionCreatedEventArgs> CollectionCreated;
public event EventHandler<CollectionModifiedEventArgs> ItemsAddedToCollection;
public event EventHandler<CollectionModifiedEventArgs> ItemsRemovedFromCollection;
public CollectionManager(ILibraryManager libraryManager, IApplicationPaths appPaths, ILocalizationManager localizationManager, IFileSystem fileSystem, ILibraryMonitor iLibraryMonitor, ILogger logger, IProviderManager providerManager)
{
_libraryManager = libraryManager;
_fileSystem = fileSystem;
_iLibraryMonitor = iLibraryMonitor;
_logger = logger;
_providerManager = providerManager;
_localizationManager = localizationManager;
_appPaths = appPaths;
}
private IEnumerable<Folder> FindFolders(string path)
{
return _libraryManager
.RootFolder
.Children
.OfType<Folder>()
.Where(i => _fileSystem.AreEqual(path, i.Path) || _fileSystem.ContainsSubPath(i.Path, path));
}
internal async Task<Folder> EnsureLibraryFolder(string path, bool createIfNeeded)
{
var existingFolders = FindFolders(path)
.ToList();
if (existingFolders.Count > 0)
{
return existingFolders[0];
}
if (!createIfNeeded)
{
return null;
}
_fileSystem.CreateDirectory(path);
var libraryOptions = new LibraryOptions
{
PathInfos = new[] { new MediaPathInfo { Path = path } },
EnableRealtimeMonitor = false,
SaveLocalMetadata = true
};
var name = _localizationManager.GetLocalizedString("Collections");
await _libraryManager.AddVirtualFolder(name, CollectionType.BoxSets, libraryOptions, true).ConfigureAwait(false);
return FindFolders(path).First();
}
internal string GetCollectionsFolderPath()
{
return Path.Combine(_appPaths.DataPath, "collections");
}
private Task<Folder> GetCollectionsFolder(bool createIfNeeded)
{
return EnsureLibraryFolder(GetCollectionsFolderPath(), createIfNeeded);
}
private IEnumerable<BoxSet> GetCollections(User user)
{
var folder = GetCollectionsFolder(false).Result;
return folder == null ?
new List<BoxSet>() :
folder.GetChildren(user, true).OfType<BoxSet>();
}
public BoxSet CreateCollection(CollectionCreationOptions options)
{
var name = options.Name;
// Need to use the [boxset] suffix
// If internet metadata is not found, or if xml saving is off there will be no collection.xml
// This could cause it to get re-resolved as a plain folder
var folderName = _fileSystem.GetValidFilename(name) + " [boxset]";
var parentFolder = GetCollectionsFolder(true).Result;
if (parentFolder == null)
{
throw new ArgumentException();
}
var path = Path.Combine(parentFolder.Path, folderName);
_iLibraryMonitor.ReportFileSystemChangeBeginning(path);
try
{
_fileSystem.CreateDirectory(path);
var collection = new BoxSet
{
Name = name,
Path = path,
IsLocked = options.IsLocked,
ProviderIds = options.ProviderIds,
DateCreated = DateTime.UtcNow
};
parentFolder.AddChild(collection, CancellationToken.None);
if (options.ItemIdList.Length > 0)
{
AddToCollection(collection.Id, options.ItemIdList, false, new MetadataRefreshOptions(_fileSystem)
{
// The initial adding of items is going to create a local metadata file
// This will cause internet metadata to be skipped as a result
MetadataRefreshMode = MetadataRefreshMode.FullRefresh
});
}
else
{
_providerManager.QueueRefresh(collection.Id, new MetadataRefreshOptions(_fileSystem), RefreshPriority.High);
}
EventHelper.FireEventIfNotNull(CollectionCreated, this, new CollectionCreatedEventArgs
{
Collection = collection,
Options = options
}, _logger);
return collection;
}
finally
{
// Refresh handled internally
_iLibraryMonitor.ReportFileSystemChangeComplete(path, false);
}
}
public void AddToCollection(Guid collectionId, IEnumerable<string> ids)
{
AddToCollection(collectionId, ids, true, new MetadataRefreshOptions(_fileSystem));
}
public void AddToCollection(Guid collectionId, IEnumerable<Guid> ids)
{
AddToCollection(collectionId, ids.Select(i => i.ToString("N")), true, new MetadataRefreshOptions(_fileSystem));
}
private void AddToCollection(Guid collectionId, IEnumerable<string> ids, bool fireEvent, MetadataRefreshOptions refreshOptions)
{
var collection = _libraryManager.GetItemById(collectionId) as BoxSet;
if (collection == null)
{
throw new ArgumentException("No collection exists with the supplied Id");
}
var list = new List<LinkedChild>();
var itemList = new List<BaseItem>();
var linkedChildrenList = collection.GetLinkedChildren();
var currentLinkedChildrenIds = linkedChildrenList.Select(i => i.Id).ToList();
foreach (var id in ids)
{
var guidId = new Guid(id);
var item = _libraryManager.GetItemById(guidId);
if (item == null)
{
throw new ArgumentException("No item exists with the supplied Id");
}
if (!currentLinkedChildrenIds.Contains(guidId))
{
itemList.Add(item);
list.Add(LinkedChild.Create(item));
linkedChildrenList.Add(item);
}
}
if (list.Count > 0)
{
var newList = collection.LinkedChildren.ToList();
newList.AddRange(list);
collection.LinkedChildren = newList.ToArray();
collection.UpdateRatingToItems(linkedChildrenList);
collection.UpdateToRepository(ItemUpdateType.MetadataEdit, CancellationToken.None);
refreshOptions.ForceSave = true;
_providerManager.QueueRefresh(collection.Id, refreshOptions, RefreshPriority.High);
if (fireEvent)
{
EventHelper.FireEventIfNotNull(ItemsAddedToCollection, this, new CollectionModifiedEventArgs
{
Collection = collection,
ItemsChanged = itemList
}, _logger);
}
}
}
public void RemoveFromCollection(Guid collectionId, IEnumerable<string> itemIds)
{
RemoveFromCollection(collectionId, itemIds.Select(i => new Guid(i)));
}
public void RemoveFromCollection(Guid collectionId, IEnumerable<Guid> itemIds)
{
var collection = _libraryManager.GetItemById(collectionId) as BoxSet;
if (collection == null)
{
throw new ArgumentException("No collection exists with the supplied Id");
}
var list = new List<LinkedChild>();
var itemList = new List<BaseItem>();
foreach (var guidId in itemIds)
{
var childItem = _libraryManager.GetItemById(guidId);
var child = collection.LinkedChildren.FirstOrDefault(i => (i.ItemId.HasValue && i.ItemId.Value == guidId) || (childItem != null && string.Equals(childItem.Path, i.Path, StringComparison.OrdinalIgnoreCase)));
if (child == null)
{
_logger.LogWarning("No collection title exists with the supplied Id");
continue;
}
list.Add(child);
if (childItem != null)
{
itemList.Add(childItem);
}
}
if (list.Count > 0)
{
collection.LinkedChildren = collection.LinkedChildren.Except(list).ToArray();
}
collection.UpdateToRepository(ItemUpdateType.MetadataEdit, CancellationToken.None);
_providerManager.QueueRefresh(collection.Id, new MetadataRefreshOptions(_fileSystem)
{
ForceSave = true
}, RefreshPriority.High);
EventHelper.FireEventIfNotNull(ItemsRemovedFromCollection, this, new CollectionModifiedEventArgs
{
Collection = collection,
ItemsChanged = itemList
}, _logger);
}
public IEnumerable<BaseItem> CollapseItemsWithinBoxSets(IEnumerable<BaseItem> items, User user)
{
var results = new Dictionary<Guid, BaseItem>();
var allBoxsets = GetCollections(user).ToList();
foreach (var item in items)
{
var grouping = item as ISupportsBoxSetGrouping;
if (grouping == null)
{
results[item.Id] = item;
}
else
{
var itemId = item.Id;
var currentBoxSets = allBoxsets
.Where(i => i.ContainsLinkedChildByItemId(itemId))
.ToList();
if (currentBoxSets.Count > 0)
{
foreach (var boxset in currentBoxSets)
{
results[boxset.Id] = boxset;
}
}
else
{
results[item.Id] = item;
}
}
}
return results.Values;
}
}
public class CollectionManagerEntryPoint : IServerEntryPoint
{
private readonly CollectionManager _collectionManager;
private readonly IServerConfigurationManager _config;
private readonly IFileSystem _fileSystem;
private ILogger _logger;
public CollectionManagerEntryPoint(ICollectionManager collectionManager, IServerConfigurationManager config, IFileSystem fileSystem, ILogger logger)
{
_collectionManager = (CollectionManager)collectionManager;
_config = config;
_fileSystem = fileSystem;
_logger = logger;
}
public async void Run()
{
if (!_config.Configuration.CollectionsUpgraded && _config.Configuration.IsStartupWizardCompleted)
{
var path = _collectionManager.GetCollectionsFolderPath();
if (_fileSystem.DirectoryExists(path))
{
try
{
await _collectionManager.EnsureLibraryFolder(path, true).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.LogError("Error creating camera uploads library", ex);
}
_config.Configuration.CollectionsUpgraded = true;
_config.SaveConfiguration();
}
}
}
#region IDisposable Support
private bool disposedValue = false; // To detect redundant calls
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
// TODO: dispose managed state (managed objects).
}
// TODO: free unmanaged resources (unmanaged objects) and override a finalizer below.
// TODO: set large fields to null.
disposedValue = true;
}
}
// TODO: override a finalizer only if Dispose(bool disposing) above has code to free unmanaged resources.
// ~CollectionManagerEntryPoint() {
// // Do not change this code. Put cleanup code in Dispose(bool disposing) above.
// Dispose(false);
// }
// This code added to correctly implement the disposable pattern.
public void Dispose()
{
// Do not change this code. Put cleanup code in Dispose(bool disposing) above.
Dispose(true);
// TODO: uncomment the following line if the finalizer is overridden above.
// GC.SuppressFinalize(this);
}
#endregion
}
}