jellyfin/MediaBrowser.Controller/Playlists/Playlist.cs

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5.1 KiB
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
{
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public class Playlist : Folder, IHasShares
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{
public string OwnerUserId { get; set; }
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public List<Share> Shares { get; set; }
public Playlist()
{
Shares = new List<Share>();
}
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[IgnoreDataMember]
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protected override bool FilterLinkedChildrenPerUser
{
get
{
return true;
}
}
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[IgnoreDataMember]
public override bool AlwaysScanInternalMetadataPath
{
get
{
return true;
}
}
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public override bool IsSaveLocalMetadataEnabled()
{
return true;
}
public override IEnumerable<BaseItem> GetChildren(User user, bool includeLinkedChildren)
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{
return GetPlayableItems(user);
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}
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public override IEnumerable<BaseItem> GetRecursiveChildren(User user, Func<BaseItem, bool> filter)
{
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var items = GetPlayableItems(user);
if (filter != null)
{
items = items.Where(filter);
}
return items;
}
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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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}
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private static IEnumerable<BaseItem> GetPlaylistItems(BaseItem item, User user)
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{
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var musicGenre = item as MusicGenre;
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if (musicGenre != null)
{
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Func<BaseItem, bool> filter = i => i is Audio && i.Genres.Contains(musicGenre.Name, StringComparer.OrdinalIgnoreCase);
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var items = user == null
? LibraryManager.RootFolder.GetRecursiveChildren(filter)
: user.RootFolder.GetRecursiveChildren(user, filter);
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return LibraryManager.Sort(items, user, new[] { ItemSortBy.AlbumArtist, ItemSortBy.Album, ItemSortBy.SortName }, SortOrder.Ascending);
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}
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var musicArtist = item as MusicArtist;
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if (musicArtist != null)
{
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Func<BaseItem, bool> filter = i =>
{
var audio = i as Audio;
return audio != null && audio.HasArtist(musicArtist.Name);
};
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var items = user == null
? LibraryManager.RootFolder.GetRecursiveChildren(filter)
: user.RootFolder.GetRecursiveChildren(user, filter);
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return LibraryManager.Sort(items, user, new[] { ItemSortBy.AlbumArtist, ItemSortBy.Album, ItemSortBy.SortName }, SortOrder.Ascending);
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}
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var folder = item as Folder;
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if (folder != null)
{
var items = user == null
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? folder.GetRecursiveChildren(m => !m.IsFolder)
: folder.GetRecursiveChildren(user, m => !m.IsFolder);
if (folder.IsPreSorted)
{
return items;
}
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return LibraryManager.Sort(items, user, new[] { ItemSortBy.SortName }, SortOrder.Ascending);
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}
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return new[] { item };
}
[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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{
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if (base.IsVisible(user))
{
var userId = user.Id.ToString("N");
return Shares.Any(i => string.Equals(userId, i.UserId, StringComparison.OrdinalIgnoreCase)) ||
string.Equals(OwnerUserId, userId, StringComparison.OrdinalIgnoreCase);
}
return false;
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}
}
}