jellyfin/MediaBrowser.Controller/Playlists/Playlist.cs
2019-10-15 17:49:49 +02:00

266 lines
7.8 KiB
C#

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text.Json.Serialization;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Querying;
namespace MediaBrowser.Controller.Playlists
{
public class Playlist : Folder, IHasShares
{
public static string[] SupportedExtensions =
{
".m3u",
".m3u8",
".pls",
".wpl",
".zpl"
};
public Guid OwnerUserId { get; set; }
public Share[] Shares { get; set; }
public Playlist()
{
Shares = Array.Empty<Share>();
}
[JsonIgnore]
public bool IsFile => IsPlaylistFile(Path);
public static bool IsPlaylistFile(string path)
{
return System.IO.Path.HasExtension(path);
}
[JsonIgnore]
public override string ContainingFolderPath
{
get
{
var path = Path;
if (IsPlaylistFile(path))
{
return System.IO.Path.GetDirectoryName(path);
}
return path;
}
}
[JsonIgnore]
protected override bool FilterLinkedChildrenPerUser => true;
[JsonIgnore]
public override bool SupportsInheritedParentImages => false;
[JsonIgnore]
public override bool SupportsPlayedStatus => string.Equals(MediaType, "Video", StringComparison.OrdinalIgnoreCase);
[JsonIgnore]
public override bool AlwaysScanInternalMetadataPath => true;
[JsonIgnore]
public override bool SupportsCumulativeRunTimeTicks => true;
public override double GetDefaultPrimaryImageAspectRatio()
{
return 1;
}
public override bool IsAuthorizedToDelete(User user, List<Folder> allCollectionFolders)
{
return true;
}
public override bool IsSaveLocalMetadataEnabled()
{
return true;
}
protected override List<BaseItem> LoadChildren()
{
// Save a trip to the database
return new List<BaseItem>();
}
protected override Task ValidateChildrenInternal(IProgress<double> progress, CancellationToken cancellationToken, bool recursive, bool refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService)
{
return Task.CompletedTask;
}
public override List<BaseItem> GetChildren(User user, bool includeLinkedChildren, InternalItemsQuery query)
{
return GetPlayableItems(user, query);
}
protected override IEnumerable<BaseItem> GetNonCachedChildren(IDirectoryService directoryService)
{
return new List<BaseItem>();
}
public override IEnumerable<BaseItem> GetRecursiveChildren(User user, InternalItemsQuery query)
{
return GetPlayableItems(user, query);
}
public IEnumerable<Tuple<LinkedChild, BaseItem>> GetManageableItems()
{
return GetLinkedChildrenInfos();
}
private List<BaseItem> GetPlayableItems(User user, InternalItemsQuery query)
{
if (query == null)
{
query = new InternalItemsQuery(user);
}
query.IsFolder = false;
return base.GetChildren(user, true, query);
}
public static List<BaseItem> GetPlaylistItems(string playlistMediaType, IEnumerable<BaseItem> inputItems, User user, DtoOptions options)
{
if (user != null)
{
inputItems = inputItems.Where(i => i.IsVisible(user));
}
var list = new List<BaseItem>();
foreach (var item in inputItems)
{
var playlistItems = GetPlaylistItems(item, user, playlistMediaType, options);
list.AddRange(playlistItems);
}
return list;
}
private static IEnumerable<BaseItem> GetPlaylistItems(BaseItem item, User user, string mediaType, DtoOptions options)
{
if (item is MusicGenre musicGenre)
{
return LibraryManager.GetItemList(new InternalItemsQuery(user)
{
Recursive = true,
IncludeItemTypes = new[] { typeof(Audio).Name },
GenreIds = new[] { musicGenre.Id },
OrderBy = new[] { ItemSortBy.AlbumArtist, ItemSortBy.Album, ItemSortBy.SortName }.Select(i => new ValueTuple<string, SortOrder>(i, SortOrder.Ascending)).ToArray(),
DtoOptions = options
});
}
if (item is MusicArtist musicArtist)
{
return LibraryManager.GetItemList(new InternalItemsQuery(user)
{
Recursive = true,
IncludeItemTypes = new[] { typeof(Audio).Name },
ArtistIds = new[] { musicArtist.Id },
OrderBy = new[] { ItemSortBy.AlbumArtist, ItemSortBy.Album, ItemSortBy.SortName }.Select(i => new ValueTuple<string, SortOrder>(i, SortOrder.Ascending)).ToArray(),
DtoOptions = options
});
}
if (item is Folder folder)
{
var query = new InternalItemsQuery(user)
{
Recursive = true,
IsFolder = false,
OrderBy = new[] { ItemSortBy.SortName }.Select(i => new ValueTuple<string, SortOrder>(i, SortOrder.Ascending)).ToArray(),
MediaTypes = new[] { mediaType },
EnableTotalRecordCount = false,
DtoOptions = options
};
return folder.GetItemList(query);
}
return new[] { item };
}
[JsonIgnore]
public override bool IsPreSorted => true;
public string PlaylistMediaType { get; set; }
[JsonIgnore]
public override string MediaType => PlaylistMediaType;
public void SetMediaType(string value)
{
PlaylistMediaType = value;
}
[JsonIgnore]
private bool IsSharedItem
{
get
{
var path = Path;
if (string.IsNullOrEmpty(path))
{
return false;
}
return FileSystem.ContainsSubPath(ConfigurationManager.ApplicationPaths.DataPath, path);
}
}
public override bool IsVisible(User user)
{
if (!IsSharedItem)
{
return base.IsVisible(user);
}
if (user.Id == OwnerUserId)
{
return true;
}
var shares = Shares;
if (shares.Length == 0)
{
return base.IsVisible(user);
}
var userId = user.Id.ToString("N", CultureInfo.InvariantCulture);
foreach (var share in shares)
{
if (string.Equals(share.UserId, userId, StringComparison.OrdinalIgnoreCase))
{
return true;
}
}
return false;
}
public override bool IsVisibleStandalone(User user)
{
if (!IsSharedItem)
{
return base.IsVisibleStandalone(user);
}
return IsVisible(user);
}
}
}