jellyfin/MediaBrowser.Controller/Playlists/Playlist.cs
2014-08-18 21:42:53 -04:00

131 lines
3.8 KiB
C#

using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Querying;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
namespace MediaBrowser.Controller.Playlists
{
public class Playlist : Folder
{
public string OwnerUserId { get; set; }
protected override bool FilterLinkedChildrenPerUser
{
get
{
return true;
}
}
public override IEnumerable<BaseItem> GetChildren(User user, bool includeLinkedChildren)
{
return GetPlayableItems(user);
}
public override IEnumerable<BaseItem> GetRecursiveChildren(User user, bool includeLinkedChildren = true)
{
return GetPlayableItems(user);
}
public IEnumerable<Tuple<LinkedChild, BaseItem>> GetManageableItems()
{
return GetLinkedChildrenInfos();
}
private IEnumerable<BaseItem> GetPlayableItems(User user)
{
return GetPlaylistItems(MediaType, base.GetChildren(user, true), user);
}
public static IEnumerable<BaseItem> GetPlaylistItems(string playlistMediaType, IEnumerable<BaseItem> inputItems, User user)
{
if (user != null)
{
inputItems = inputItems.Where(i => i.IsVisible(user));
}
return inputItems.SelectMany(i => GetPlaylistItems(i, user))
.Where(m => string.Equals(m.MediaType, playlistMediaType, StringComparison.OrdinalIgnoreCase));
}
private static IEnumerable<BaseItem> GetPlaylistItems(BaseItem i, User user)
{
var musicGenre = i as MusicGenre;
if (musicGenre != null)
{
var songs = user.RootFolder
.GetRecursiveChildren(user)
.OfType<Audio>()
.Where(a => a.Genres.Contains(musicGenre.Name, StringComparer.OrdinalIgnoreCase));
return LibraryManager.Sort(songs, user, new[] { ItemSortBy.SortName }, SortOrder.Ascending);
}
var musicArtist = i as MusicArtist;
if (musicArtist != null)
{
var songs = user.RootFolder
.GetRecursiveChildren(user)
.OfType<Audio>()
.Where(a => a.HasArtist(musicArtist.Name));
return LibraryManager.Sort(songs, user, new[] { ItemSortBy.SortName }, SortOrder.Ascending);
}
var folder = i as Folder;
if (folder != null)
{
var items = user == null
? folder.GetRecursiveChildren()
: folder.GetRecursiveChildren(user, true);
items = items
.Where(m => !m.IsFolder);
if (!folder.IsPreSorted)
{
items = LibraryManager.Sort(items, user, new[] { ItemSortBy.SortName }, SortOrder.Ascending);
}
return items;
}
return new[] { i };
}
[IgnoreDataMember]
public override bool IsPreSorted
{
get
{
return true;
}
}
public string PlaylistMediaType { get; set; }
public override string MediaType
{
get
{
return PlaylistMediaType;
}
}
public void SetMediaType(string value)
{
PlaylistMediaType = value;
}
public override bool IsVisible(User user)
{
return base.IsVisible(user) && string.Equals(user.Id.ToString("N"), OwnerUserId);
}
}
}