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jellyfin/MediaBrowser.Controller/Entities/Movies/Movie.cs

201 lines
6.7 KiB

using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller.IO;
using MediaBrowser.Model.Entities;
using System;
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.Movies
{
/// <summary>
/// Class Movie
/// </summary>
public class Movie : Video
{
/// <summary>
/// Should be overridden to return the proper folder where metadata lives
/// </summary>
/// <value>The meta location.</value>
[IgnoreDataMember]
public override string MetaLocation
{
get
{
return VideoType == VideoType.VideoFile || VideoType == VideoType.Iso ? System.IO.Path.GetDirectoryName(Path) : Path;
}
}
/// <summary>
/// Override to use tmdb or imdb id so it will stick if the item moves physical locations
/// </summary>
/// <value>The user data id.</value>
[IgnoreDataMember]
public override Guid UserDataId
{
get
{
if (_userDataId == Guid.Empty)
{
var baseId = this.GetProviderId(MetadataProviders.Tmdb) ?? this.GetProviderId(MetadataProviders.Imdb);
_userDataId = baseId != null ? baseId.GetMD5() : Id;
}
return _userDataId;
}
}
/// <summary>
/// The _special features
/// </summary>
private List<Video> _specialFeatures;
/// <summary>
/// The _special features initialized
/// </summary>
private bool _specialFeaturesInitialized;
/// <summary>
/// The _special features sync lock
/// </summary>
private object _specialFeaturesSyncLock = new object();
/// <summary>
/// Gets the special features.
/// </summary>
/// <value>The special features.</value>
[IgnoreDataMember]
public List<Video> SpecialFeatures
{
get
{
LazyInitializer.EnsureInitialized(ref _specialFeatures, ref _specialFeaturesInitialized, ref _specialFeaturesSyncLock, () => LoadSpecialFeatures().ToList());
return _specialFeatures;
}
private set
{
_specialFeatures = value;
if (value == null)
{
_specialFeaturesInitialized = false;
}
}
}
/// <summary>
/// Needed because the resolver stops at the movie folder and we find the video inside.
/// </summary>
/// <value><c>true</c> if [use parent path to create resolve args]; otherwise, <c>false</c>.</value>
protected override bool UseParentPathToCreateResolveArgs
{
get
{
return VideoType == VideoType.VideoFile || VideoType == VideoType.Iso;
}
}
/// <summary>
/// Overrides the base implementation to refresh metadata for special features
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="forceSave">if set to <c>true</c> [is new item].</param>
/// <param name="forceRefresh">if set to <c>true</c> [force].</param>
/// <param name="allowSlowProviders">if set to <c>true</c> [allow slow providers].</param>
/// <param name="resetResolveArgs">if set to <c>true</c> [reset resolve args].</param>
/// <returns>Task{System.Boolean}.</returns>
public override async Task<bool> RefreshMetadata(CancellationToken cancellationToken, bool forceSave = false, bool forceRefresh = false, bool allowSlowProviders = true, bool resetResolveArgs = true)
{
// Lazy load these again
SpecialFeatures = null;
// Kick off a task to refresh the main item
var result = await base.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders, resetResolveArgs).ConfigureAwait(false);
var tasks = SpecialFeatures.Select(item => item.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders));
await Task.WhenAll(tasks).ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested();
return result;
}
/// <summary>
/// Finds an item by ID, recursively
/// </summary>
/// <param name="id">The id.</param>
/// <param name="user">The user.</param>
/// <returns>BaseItem.</returns>
public override BaseItem FindItemById(Guid id, User user)
{
var item = base.FindItemById(id, user);
if (item != null)
{
return item;
}
if (SpecialFeatures != null)
{
return SpecialFeatures.FirstOrDefault(i => i.Id == id);
}
return null;
}
/// <summary>
/// Loads special features from the file system
/// </summary>
/// <param name="entity">The entity.</param>
/// <returns>List{Video}.</returns>
/// <exception cref="System.ArgumentNullException"></exception>
private IEnumerable<Video> LoadSpecialFeatures()
{
WIN32_FIND_DATA? folder;
try
{
folder = ResolveArgs.GetFileSystemEntryByName("specials");
}
catch (IOException ex)
{
Logger.ErrorException("Error getting ResolveArgs for {0}", ex, Path);
return new List<Video> { };
}
// Path doesn't exist. No biggie
if (folder == null)
{
return new List<Video> { };
}
IEnumerable<WIN32_FIND_DATA> files;
try
{
files = FileSystem.GetFiles(folder.Value.Path);
}
catch (IOException ex)
{
Logger.ErrorException("Error loading trailers for {0}", ex, Name);
return new List<Video> { };
}
return Kernel.Instance.LibraryManager.GetItems<Video>(files, null).Select(video =>
{
// Try to retrieve it from the db. If we don't find it, use the resolved version
var dbItem = Kernel.Instance.ItemRepository.RetrieveItem(video.Id) as Video;
if (dbItem != null)
{
dbItem.ResolveArgs = video.ResolveArgs;
video = dbItem;
}
return video;
});
}
}
}