jellyfin/MediaBrowser.Controller/Playlists/Playlist.cs

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6.5 KiB
C#
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Querying;
using System;
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using System.Collections.Generic;
using System.Linq;
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using MediaBrowser.Model.Serialization;
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using System.Threading.Tasks;
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using MediaBrowser.Controller.Providers;
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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 SupportsPlayedStatus
{
get
{
return string.Equals(MediaType, "Video", StringComparison.OrdinalIgnoreCase);
}
}
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[IgnoreDataMember]
public override bool AlwaysScanInternalMetadataPath
{
get
{
return true;
}
}
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[IgnoreDataMember]
public override bool SupportsCumulativeRunTimeTicks
{
get
{
return true;
}
}
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public override double? GetDefaultPrimaryImageAspectRatio()
{
return 1;
}
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public override bool IsAuthorizedToDelete(User user)
{
return true;
}
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public override bool IsSaveLocalMetadataEnabled()
{
return true;
}
protected override IEnumerable<BaseItem> LoadChildren()
{
// Save a trip to the database
return new List<BaseItem>();
}
public override IEnumerable<BaseItem> GetChildren(User user, bool includeLinkedChildren)
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{
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return GetPlayableItems(user).Result;
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}
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protected override IEnumerable<BaseItem> GetNonCachedChildren(IDirectoryService directoryService)
{
return new List<BaseItem>();
}
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public override IEnumerable<BaseItem> GetRecursiveChildren(User user, InternalItemsQuery query)
{
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var items = GetPlayableItems(user).Result;
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if (query != null)
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{
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items = items.Where(i => UserViewBuilder.FilterItem(i, query));
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}
return items;
}
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public IEnumerable<Tuple<LinkedChild, BaseItem>> GetManageableItems()
{
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return GetLinkedChildrenInfos();
}
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private Task<IEnumerable<BaseItem>> GetPlayableItems(User user)
{
return GetPlaylistItems(MediaType, base.GetChildren(user, true), user);
}
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public static async Task<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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var list = new List<BaseItem>();
foreach (var item in inputItems)
{
var playlistItems = await GetPlaylistItems(item, user, playlistMediaType).ConfigureAwait(false);
list.AddRange(playlistItems);
}
return list;
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}
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private static async Task<IEnumerable<BaseItem>> GetPlaylistItems(BaseItem item, User user, string mediaType)
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{
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var musicGenre = item as MusicGenre;
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if (musicGenre != null)
{
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var items = LibraryManager.GetItemList(new InternalItemsQuery(user)
{
Recursive = true,
IncludeItemTypes = new[] { typeof(Audio).Name },
Genres = new[] { musicGenre.Name }
});
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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;
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return audio != null && audio.HasAnyArtist(musicArtist.Name);
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};
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var items = user == null
? LibraryManager.RootFolder.GetRecursiveChildren(filter)
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: user.RootFolder.GetRecursiveChildren(user, new InternalItemsQuery(user)
{
IncludeItemTypes = new[] { typeof(Audio).Name },
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ArtistIds = new[] { musicArtist.Id.ToString("N") }
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});
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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)
{
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var query = new InternalItemsQuery(user)
{
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Recursive = true,
IsFolder = false,
SortBy = new[] { ItemSortBy.SortName },
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MediaTypes = new[] { mediaType },
EnableTotalRecordCount = false
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};
var itemsResult = await folder.GetItems(query).ConfigureAwait(false);
var items = itemsResult.Items;
return items;
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}
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return new[] { item };
}
[IgnoreDataMember]
public override bool IsPreSorted
{
get
{
return true;
}
}
public string PlaylistMediaType { get; set; }
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[IgnoreDataMember]
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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var userId = user.Id.ToString("N");
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return Shares.Any(i => string.Equals(userId, i.UserId, StringComparison.OrdinalIgnoreCase)) ||
string.Equals(OwnerUserId, userId, StringComparison.OrdinalIgnoreCase);
}
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public override bool IsVisibleStandalone(User user)
{
return IsVisible(user);
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}
}
}