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