From 651681c27630af0fd0852980ac473ce570805dc3 Mon Sep 17 00:00:00 2001
From: Bond_009 <bond.009@outlook.com>
Date: Wed, 13 Mar 2024 14:56:51 +0100
Subject: Enable nullable for more files

---
 .../Library/MusicManager.cs                        | 39 ++++++++++------------
 1 file changed, 17 insertions(+), 22 deletions(-)

(limited to 'Emby.Server.Implementations/Library/MusicManager.cs')

diff --git a/Emby.Server.Implementations/Library/MusicManager.cs b/Emby.Server.Implementations/Library/MusicManager.cs
index 078f4ad219..a69a0f33f3 100644
--- a/Emby.Server.Implementations/Library/MusicManager.cs
+++ b/Emby.Server.Implementations/Library/MusicManager.cs
@@ -1,5 +1,3 @@
-#nullable disable
-
 #pragma warning disable CS1591
 
 using System;
@@ -13,7 +11,6 @@ using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Audio;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Playlists;
-using MediaBrowser.Model.Querying;
 using MusicAlbum = MediaBrowser.Controller.Entities.Audio.MusicAlbum;
 
 namespace Emby.Server.Implementations.Library
@@ -27,33 +24,35 @@ namespace Emby.Server.Implementations.Library
             _libraryManager = libraryManager;
         }
 
-        public List<BaseItem> GetInstantMixFromSong(Audio item, User user, DtoOptions dtoOptions)
+        public List<BaseItem> GetInstantMixFromSong(Audio item, User? user, DtoOptions dtoOptions)
         {
-            var list = new List<Audio>
+            var list = new List<BaseItem>
             {
                 item
             };
 
-            return list.Concat(GetInstantMixFromGenres(item.Genres, user, dtoOptions)).ToList();
+            list.AddRange(GetInstantMixFromGenres(item.Genres, user, dtoOptions));
+
+            return list;
         }
 
         /// <inheritdoc />
-        public List<BaseItem> GetInstantMixFromArtist(MusicArtist artist, User user, DtoOptions dtoOptions)
+        public List<BaseItem> GetInstantMixFromArtist(MusicArtist artist, User? user, DtoOptions dtoOptions)
         {
             return GetInstantMixFromGenres(artist.Genres, user, dtoOptions);
         }
 
-        public List<BaseItem> GetInstantMixFromAlbum(MusicAlbum item, User user, DtoOptions dtoOptions)
+        public List<BaseItem> GetInstantMixFromAlbum(MusicAlbum item, User? user, DtoOptions dtoOptions)
         {
             return GetInstantMixFromGenres(item.Genres, user, dtoOptions);
         }
 
-        public List<BaseItem> GetInstantMixFromFolder(Folder item, User user, DtoOptions dtoOptions)
+        public List<BaseItem> GetInstantMixFromFolder(Folder item, User? user, DtoOptions dtoOptions)
         {
             var genres = item
                .GetRecursiveChildren(user, new InternalItemsQuery(user)
                {
-                   IncludeItemTypes = new[] { BaseItemKind.Audio },
+                   IncludeItemTypes = [BaseItemKind.Audio],
                    DtoOptions = dtoOptions
                })
                .Cast<Audio>()
@@ -64,12 +63,12 @@ namespace Emby.Server.Implementations.Library
             return GetInstantMixFromGenres(genres, user, dtoOptions);
         }
 
-        public List<BaseItem> GetInstantMixFromPlaylist(Playlist item, User user, DtoOptions dtoOptions)
+        public List<BaseItem> GetInstantMixFromPlaylist(Playlist item, User? user, DtoOptions dtoOptions)
         {
             return GetInstantMixFromGenres(item.Genres, user, dtoOptions);
         }
 
-        public List<BaseItem> GetInstantMixFromGenres(IEnumerable<string> genres, User user, DtoOptions dtoOptions)
+        public List<BaseItem> GetInstantMixFromGenres(IEnumerable<string> genres, User? user, DtoOptions dtoOptions)
         {
             var genreIds = genres.DistinctNames().Select(i =>
             {
@@ -86,27 +85,23 @@ namespace Emby.Server.Implementations.Library
             return GetInstantMixFromGenreIds(genreIds, user, dtoOptions);
         }
 
-        public List<BaseItem> GetInstantMixFromGenreIds(Guid[] genreIds, User user, DtoOptions dtoOptions)
+        public List<BaseItem> GetInstantMixFromGenreIds(Guid[] genreIds, User? user, DtoOptions dtoOptions)
         {
             return _libraryManager.GetItemList(new InternalItemsQuery(user)
             {
-                IncludeItemTypes = new[] { BaseItemKind.Audio },
-
-                GenreIds = genreIds.ToArray(),
-
+                IncludeItemTypes = [BaseItemKind.Audio],
+                GenreIds = genreIds,
                 Limit = 200,
-
-                OrderBy = new[] { (ItemSortBy.Random, SortOrder.Ascending) },
-
+                OrderBy = [(ItemSortBy.Random, SortOrder.Ascending)],
                 DtoOptions = dtoOptions
             });
         }
 
-        public List<BaseItem> GetInstantMixFromItem(BaseItem item, User user, DtoOptions dtoOptions)
+        public List<BaseItem> GetInstantMixFromItem(BaseItem item, User? user, DtoOptions dtoOptions)
         {
             if (item is MusicGenre)
             {
-                return GetInstantMixFromGenreIds(new[] { item.Id }, user, dtoOptions);
+                return GetInstantMixFromGenreIds([item.Id], user, dtoOptions);
             }
 
             if (item is Playlist playlist)
-- 
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