From f756e39b9d5b461e6bcaa4e71006038983d28213 Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Sun, 30 Mar 2014 12:49:40 -0400
Subject: restored live tv playback in the web client

---
 .../Library/MusicManager.cs                        | 67 ++++++++++++++++++++++
 .../Library/Resolvers/Audio/AudioResolver.cs       |  3 +-
 2 files changed, 68 insertions(+), 2 deletions(-)
 create mode 100644 MediaBrowser.Server.Implementations/Library/MusicManager.cs

(limited to 'MediaBrowser.Server.Implementations/Library')

diff --git a/MediaBrowser.Server.Implementations/Library/MusicManager.cs b/MediaBrowser.Server.Implementations/Library/MusicManager.cs
new file mode 100644
index 000000000..9d5826454
--- /dev/null
+++ b/MediaBrowser.Server.Implementations/Library/MusicManager.cs
@@ -0,0 +1,67 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Library;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace MediaBrowser.Server.Implementations.Library
+{
+    public class MusicManager : IMusicManager
+    {
+        private readonly ILibraryManager _libraryManager;
+
+        public MusicManager(ILibraryManager libraryManager)
+        {
+            _libraryManager = libraryManager;
+        }
+
+        public IEnumerable<Audio> GetInstantMixFromSong(Audio item, User user)
+        {
+            return GetInstantMixFromGenres(item.Genres, user);
+        }
+
+        public IEnumerable<Audio> GetInstantMixFromArtist(string name, User user)
+        {
+            var artist = _libraryManager.GetArtist(name);
+
+            var genres = _libraryManager.RootFolder
+                .RecursiveChildren
+                .OfType<Audio>()
+                .Where(i => i.HasArtist(name))
+                .SelectMany(i => i.Genres)
+                .Concat(artist.Genres)
+                .Distinct(StringComparer.OrdinalIgnoreCase);
+
+            return GetInstantMixFromGenres(genres, user);
+        }
+
+        public IEnumerable<Audio> GetInstantMixFromAlbum(MusicAlbum item, User user)
+        {
+            var genres = item
+               .RecursiveChildren
+               .OfType<Audio>()
+               .SelectMany(i => i.Genres)
+               .Concat(item.Genres)
+               .Distinct(StringComparer.OrdinalIgnoreCase);
+
+            return GetInstantMixFromGenres(genres, user);
+        }
+
+        public IEnumerable<Audio> GetInstantMixFromGenres(IEnumerable<string> genres, User user)
+        {
+            var inputItems = user.RootFolder.GetRecursiveChildren(user);
+
+            var genresDictionary = genres.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
+
+            return inputItems
+                .OfType<Audio>()
+                .Select(i => new Tuple<Audio, int>(i, i.Genres.Count(genresDictionary.ContainsKey)))
+                .OrderByDescending(i => i.Item2)
+                .ThenBy(i => Guid.NewGuid())
+                .Select(i => i.Item1)
+                .Take(100)
+                .OrderBy(i => Guid.NewGuid());
+        }
+    }
+}
diff --git a/MediaBrowser.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs b/MediaBrowser.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs
index 67c011a1f..b92e82385 100644
--- a/MediaBrowser.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs
+++ b/MediaBrowser.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs
@@ -34,8 +34,7 @@ namespace MediaBrowser.Server.Implementations.Library.Resolvers.Audio
                 {
                     var collectionType = args.GetCollectionType();
 
-                    if (string.Equals(collectionType, CollectionType.Music, StringComparison.OrdinalIgnoreCase) ||
-                        string.IsNullOrEmpty(collectionType))
+                    if (string.Equals(collectionType, CollectionType.Music, StringComparison.OrdinalIgnoreCase))
                     {
                         return new Controller.Entities.Audio.Audio();
                     }
-- 
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