jellyfin-server/MediaBrowser.Controller/Playlists/Playlist.cs

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C#
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Querying;
using System;
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using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
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namespace MediaBrowser.Controller.Playlists
{
public class Playlist : Folder
{
public string OwnerUserId { get; set; }
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protected override bool FilterLinkedChildrenPerUser
{
get
{
return true;
}
}
public override IEnumerable<BaseItem> GetChildren(User user, bool includeLinkedChildren)
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{
return GetPlayableItems(user);
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}
public override IEnumerable<BaseItem> GetRecursiveChildren(User user, bool includeLinkedChildren = true)
{
return GetPlayableItems(user);
}
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public IEnumerable<Tuple<LinkedChild, BaseItem>> GetManageableItems()
{
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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)
{
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if (user != null)
{
inputItems = inputItems.Where(i => i.IsVisible(user));
}
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return inputItems.SelectMany(i => GetPlaylistItems(i, user))
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.Where(m => string.Equals(m.MediaType, playlistMediaType, StringComparison.OrdinalIgnoreCase));
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}
private static IEnumerable<BaseItem> GetPlaylistItems(BaseItem i, User user)
{
var musicGenre = i as MusicGenre;
if (musicGenre != null)
{
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var items = user == null
? LibraryManager.RootFolder.GetRecursiveChildren()
: user.RootFolder.GetRecursiveChildren(user, true);
var songs = items
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.OfType<Audio>()
.Where(a => a.Genres.Contains(musicGenre.Name, StringComparer.OrdinalIgnoreCase));
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return LibraryManager.Sort(songs, user, new[] { ItemSortBy.AlbumArtist, ItemSortBy.Album, ItemSortBy.SortName }, SortOrder.Ascending);
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}
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var musicArtist = i as MusicArtist;
if (musicArtist != null)
{
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var items = user == null
? LibraryManager.RootFolder.GetRecursiveChildren()
: user.RootFolder.GetRecursiveChildren(user, true);
var songs = items
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.OfType<Audio>()
.Where(a => a.HasArtist(musicArtist.Name));
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return LibraryManager.Sort(songs, user, new[] { ItemSortBy.AlbumArtist, ItemSortBy.Album, ItemSortBy.SortName }, SortOrder.Ascending);
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}
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// Grab these explicitly to avoid the sorting that will happen below
var collection = i as BoxSet;
if (collection != null)
{
var items = user == null
? collection.Children
: collection.GetChildren(user, true);
return items
.Where(m => !m.IsFolder);
}
// Grab these explicitly to avoid the sorting that will happen below
var season = i as Season;
if (season != null)
{
var items = user == null
? season.Children
: season.GetChildren(user, true);
return items
.Where(m => !m.IsFolder);
}
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var folder = i as Folder;
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if (folder != null)
{
var items = user == null
? folder.GetRecursiveChildren()
: folder.GetRecursiveChildren(user, true);
items = items
.Where(m => !m.IsFolder);
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return LibraryManager.Sort(items, user, new[] { ItemSortBy.SortName }, SortOrder.Ascending);
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}
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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)
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{
return base.IsVisible(user) && string.Equals(user.Id.ToString("N"), OwnerUserId);
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}
}
}