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