Merge branch 'master' into patch-2

6 files changed, 127 insertions, 117 deletions

diff --git a/MediaBrowser.Controller/Entities/Audio/Audio.cs b/MediaBrowser.Controller/Entities/Audio/Audio.cs
index 2c6dea02cd..7bf1219ec2 100644
--- a/MediaBrowser.Controller/Entities/Audio/Audio.cs
+++ b/MediaBrowser.Controller/Entities/Audio/Audio.cs
@@ -1,7 +1,10 @@
-#pragma warning disable CS1591
+#nullable disable
+
+#pragma warning disable CA1002, CA1724, CA1826, CS1591
 
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Text.Json.Serialization;
 using Jellyfin.Data.Enums;
@@ -22,6 +25,12 @@ namespace MediaBrowser.Controller.Entities.Audio
         IHasLookupInfo<SongInfo>,
         IHasMediaSources
     {
+        public Audio()
+        {
+            Artists = Array.Empty<string>();
+            AlbumArtists = Array.Empty<string>();
+        }
+
         /// <inheritdoc />
         [JsonIgnore]
         public IReadOnlyList<string> Artists { get; set; }
@@ -30,17 +39,6 @@ namespace MediaBrowser.Controller.Entities.Audio
         [JsonIgnore]
         public IReadOnlyList<string> AlbumArtists { get; set; }
 
-        public Audio()
-        {
-            Artists = Array.Empty<string>();
-            AlbumArtists = Array.Empty<string>();
-        }
-
-        public override double GetDefaultPrimaryImageAspectRatio()
-        {
-            return 1;
-        }
-
         [JsonIgnore]
         public override bool SupportsPlayedStatus => true;
 
@@ -59,11 +57,6 @@ namespace MediaBrowser.Controller.Entities.Audio
         [JsonIgnore]
         public override Folder LatestItemsIndexContainer => AlbumEntity;
 
-        public override bool CanDownload()
-        {
-            return IsFileProtocol;
-        }
-
         [JsonIgnore]
         public MusicAlbum AlbumEntity => FindParent<MusicAlbum>();
 
@@ -74,26 +67,35 @@ namespace MediaBrowser.Controller.Entities.Audio
         [JsonIgnore]
         public override string MediaType => Model.Entities.MediaType.Audio;
 
+        public override double GetDefaultPrimaryImageAspectRatio()
+        {
+            return 1;
+        }
+
+        public override bool CanDownload()
+        {
+            return IsFileProtocol;
+        }
+
         /// <summary>
         /// Creates the name of the sort.
         /// </summary>
         /// <returns>System.String.</returns>
         protected override string CreateSortName()
         {
-            return (ParentIndexNumber != null ? ParentIndexNumber.Value.ToString("0000 - ") : "")
-                    + (IndexNumber != null ? IndexNumber.Value.ToString("0000 - ") : "") + Name;
+            return (ParentIndexNumber != null ? ParentIndexNumber.Value.ToString("0000 - ", CultureInfo.InvariantCulture) : string.Empty)
+                    + (IndexNumber != null ? IndexNumber.Value.ToString("0000 - ", CultureInfo.InvariantCulture) : string.Empty) + Name;
         }
 
         public override List<string> GetUserDataKeys()
         {
             var list = base.GetUserDataKeys();
 
-            var songKey = IndexNumber.HasValue ? IndexNumber.Value.ToString("0000") : string.Empty;
-
+            var songKey = IndexNumber.HasValue ? IndexNumber.Value.ToString("0000", CultureInfo.InvariantCulture) : string.Empty;
 
             if (ParentIndexNumber.HasValue)
             {
-                songKey = ParentIndexNumber.Value.ToString("0000") + "-" + songKey;
+                songKey = ParentIndexNumber.Value.ToString("0000", CultureInfo.InvariantCulture) + "-" + songKey;
             }
 
             songKey += Name;
diff --git a/MediaBrowser.Controller/Entities/Audio/IHasAlbumArtist.cs b/MediaBrowser.Controller/Entities/Audio/IHasAlbumArtist.cs
index f6d3cd6cc2..1625c748a8 100644
--- a/MediaBrowser.Controller/Entities/Audio/IHasAlbumArtist.cs
+++ b/MediaBrowser.Controller/Entities/Audio/IHasAlbumArtist.cs
@@ -1,6 +1,10 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System.Collections.Generic;
+using System.Linq;
+using MediaBrowser.Controller.Library;
 
 namespace MediaBrowser.Controller.Entities.Audio
 {
@@ -23,15 +27,7 @@ namespace MediaBrowser.Controller.Entities.Audio
         public static IEnumerable<string> GetAllArtists<T>(this T item)
             where T : IHasArtist, IHasAlbumArtist
         {
-            foreach (var i in item.AlbumArtists)
-            {
-                yield return i;
-            }
-
-            foreach (var i in item.Artists)
-            {
-                yield return i;
-            }
+            return item.AlbumArtists.Concat(item.Artists).DistinctNames();
         }
     }
 }
diff --git a/MediaBrowser.Controller/Entities/Audio/IHasMusicGenres.cs b/MediaBrowser.Controller/Entities/Audio/IHasMusicGenres.cs
index ac4dd1688b..c2dae5a2dc 100644
--- a/MediaBrowser.Controller/Entities/Audio/IHasMusicGenres.cs
+++ b/MediaBrowser.Controller/Entities/Audio/IHasMusicGenres.cs
@@ -1,4 +1,6 @@
-#pragma warning disable CS1591
+#nullable disable
+
+#pragma warning disable CA1819, CS1591
 
 namespace MediaBrowser.Controller.Entities.Audio
 {
diff --git a/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs b/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
index 48cd9371a0..03d1f33043 100644
--- a/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
+++ b/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
@@ -1,4 +1,6 @@
-#pragma warning disable CS1591
+#nullable disable
+
+#pragma warning disable CA1721, CA1826, CS1591
 
 using System;
 using System.Collections.Generic;
@@ -21,18 +23,18 @@ namespace MediaBrowser.Controller.Entities.Audio
     /// </summary>
     public class MusicAlbum : Folder, IHasAlbumArtist, IHasArtist, IHasMusicGenres, IHasLookupInfo<AlbumInfo>, IMetadataContainer
     {
-        /// <inheritdoc />
-        public IReadOnlyList<string> AlbumArtists { get; set; }
-
-        /// <inheritdoc />
-        public IReadOnlyList<string> Artists { get; set; }
-
         public MusicAlbum()
         {
             Artists = Array.Empty<string>();
             AlbumArtists = Array.Empty<string>();
         }
 
+        /// <inheritdoc />
+        public IReadOnlyList<string> AlbumArtists { get; set; }
+
+        /// <inheritdoc />
+        public IReadOnlyList<string> Artists { get; set; }
+
         [JsonIgnore]
         public override bool SupportsAddingToPlaylist => true;
 
@@ -42,6 +44,25 @@ namespace MediaBrowser.Controller.Entities.Audio
         [JsonIgnore]
         public MusicArtist MusicArtist => GetMusicArtist(new DtoOptions(true));
 
+        [JsonIgnore]
+        public override bool SupportsPlayedStatus => false;
+
+        [JsonIgnore]
+        public override bool SupportsCumulativeRunTimeTicks => true;
+
+        [JsonIgnore]
+        public string AlbumArtist => AlbumArtists.FirstOrDefault();
+
+        [JsonIgnore]
+        public override bool SupportsPeople => false;
+
+        /// <summary>
+        /// Gets the tracks.
+        /// </summary>
+        /// <value>The tracks.</value>
+        [JsonIgnore]
+        public IEnumerable<Audio> Tracks => GetRecursiveChildren(i => i is Audio).Cast<Audio>();
+
         public MusicArtist GetMusicArtist(DtoOptions options)
         {
             var parents = GetParents();
@@ -62,25 +83,6 @@ namespace MediaBrowser.Controller.Entities.Audio
             return null;
         }
 
-        [JsonIgnore]
-        public override bool SupportsPlayedStatus => false;
-
-        [JsonIgnore]
-        public override bool SupportsCumulativeRunTimeTicks => true;
-
-        [JsonIgnore]
-        public string AlbumArtist => AlbumArtists.FirstOrDefault();
-
-        [JsonIgnore]
-        public override bool SupportsPeople => false;
-
-        /// <summary>
-        /// Gets the tracks.
-        /// </summary>
-        /// <value>The tracks.</value>
-        [JsonIgnore]
-        public IEnumerable<Audio> Tracks => GetRecursiveChildren(i => i is Audio).Cast<Audio>();
-
         protected override IEnumerable<BaseItem> GetEligibleChildrenForRecursiveChildren(User user)
         {
             return Tracks;
@@ -120,7 +122,7 @@ namespace MediaBrowser.Controller.Entities.Audio
 
         protected override bool GetBlockUnratedValue(User user)
         {
-            return user.GetPreference(PreferenceKind.BlockUnratedItems).Contains(UnratedItem.Music.ToString());
+            return user.GetPreferenceValues<UnratedItem>(PreferenceKind.BlockUnratedItems).Contains(UnratedItem.Music);
         }
 
         public override UnratedItem GetBlockUnratedType()
diff --git a/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs b/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs
index 397a68ff7e..f30f8ce7f2 100644
--- a/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs
+++ b/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -6,9 +8,9 @@ using System.Linq;
 using System.Text.Json.Serialization;
 using System.Threading;
 using System.Threading.Tasks;
+using Diacritics.Extensions;
 using Jellyfin.Data.Entities;
 using Jellyfin.Data.Enums;
-using MediaBrowser.Controller.Extensions;
 using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Entities;
 using Microsoft.Extensions.Logging;
@@ -42,6 +44,36 @@ namespace MediaBrowser.Controller.Entities.Audio
         [JsonIgnore]
         public override bool SupportsPlayedStatus => false;
 
+        /// <summary>
+        /// Gets the folder containing the item.
+        /// If the item is a folder, it returns the folder itself.
+        /// </summary>
+        /// <value>The containing folder path.</value>
+        [JsonIgnore]
+        public override string ContainingFolderPath => Path;
+
+        [JsonIgnore]
+        public override IEnumerable<BaseItem> Children
+        {
+            get
+            {
+                if (IsAccessedByName)
+                {
+                    return new List<BaseItem>();
+                }
+
+                return base.Children;
+            }
+        }
+
+        [JsonIgnore]
+        public override bool SupportsPeople => false;
+
+        public static string GetPath(string name)
+        {
+            return GetPath(name, true);
+        }
+
         public override double GetDefaultPrimaryImageAspectRatio()
         {
             return 1;
@@ -56,27 +88,13 @@ namespace MediaBrowser.Controller.Entities.Audio
         {
             if (query.IncludeItemTypes.Length == 0)
             {
-                query.IncludeItemTypes = new[] { typeof(Audio).Name, typeof(MusicVideo).Name, typeof(MusicAlbum).Name };
+                query.IncludeItemTypes = new[] { nameof(Audio), nameof(MusicVideo), nameof(MusicAlbum) };
                 query.ArtistIds = new[] { Id };
             }
 
             return LibraryManager.GetItemList(query);
         }
 
-        [JsonIgnore]
-        public override IEnumerable<BaseItem> Children
-        {
-            get
-            {
-                if (IsAccessedByName)
-                {
-                    return new List<BaseItem>();
-                }
-
-                return base.Children;
-            }
-        }
-
         public override int GetChildCount(User user)
         {
             return IsAccessedByName ? 0 : base.GetChildCount(user);
@@ -92,7 +110,7 @@ namespace MediaBrowser.Controller.Entities.Audio
             return base.IsSaveLocalMetadataEnabled();
         }
 
-        protected override Task ValidateChildrenInternal(IProgress<double> progress, CancellationToken cancellationToken, bool recursive, bool refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService)
+        protected override Task ValidateChildrenInternal(IProgress<double> progress, bool recursive, bool refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService, CancellationToken cancellationToken)
         {
             if (IsAccessedByName)
             {
@@ -100,7 +118,7 @@ namespace MediaBrowser.Controller.Entities.Audio
                 return Task.CompletedTask;
             }
 
-            return base.ValidateChildrenInternal(progress, cancellationToken, recursive, refreshChildMetadata, refreshOptions, directoryService);
+            return base.ValidateChildrenInternal(progress, recursive, refreshChildMetadata, refreshOptions, directoryService, cancellationToken);
         }
 
         public override List<string> GetUserDataKeys()
@@ -112,14 +130,6 @@ namespace MediaBrowser.Controller.Entities.Audio
         }
 
         /// <summary>
-        /// Returns the folder containing the item.
-        /// If the item is a folder, it returns the folder itself.
-        /// </summary>
-        /// <value>The containing folder path.</value>
-        [JsonIgnore]
-        public override string ContainingFolderPath => Path;
-
-        /// <summary>
         /// Gets the user data key.
         /// </summary>
         /// <param name="item">The item.</param>
@@ -145,7 +155,7 @@ namespace MediaBrowser.Controller.Entities.Audio
 
         protected override bool GetBlockUnratedValue(User user)
         {
-            return user.GetPreference(PreferenceKind.BlockUnratedItems).Contains(UnratedItem.Music.ToString());
+            return user.GetPreferenceValues<UnratedItem>(PreferenceKind.BlockUnratedItems).Contains(UnratedItem.Music);
         }
 
         public override UnratedItem GetBlockUnratedType()
@@ -165,14 +175,6 @@ namespace MediaBrowser.Controller.Entities.Audio
             return info;
         }
 
-        [JsonIgnore]
-        public override bool SupportsPeople => false;
-
-        public static string GetPath(string name)
-        {
-            return GetPath(name, true);
-        }
-
         public static string GetPath(string name, bool normalizeName)
         {
             // Trim the period at the end because windows will have a hard time with that
@@ -206,9 +208,11 @@ namespace MediaBrowser.Controller.Entities.Audio
         /// <summary>
         /// This is called before any metadata refresh and returns true or false indicating if changes were made.
         /// </summary>
-        public override bool BeforeMetadataRefresh(bool replaceAllMetdata)
+        /// <param name="replaceAllMetadata">Option to replace metadata.</param>
+        /// <returns>True if metadata changed.</returns>
+        public override bool BeforeMetadataRefresh(bool replaceAllMetadata)
         {
-            var hasChanges = base.BeforeMetadataRefresh(replaceAllMetdata);
+            var hasChanges = base.BeforeMetadataRefresh(replaceAllMetadata);
 
             if (IsAccessedByName)
             {
diff --git a/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs b/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs
index 5a117a6b15..dc6fcc55a5 100644
--- a/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs
+++ b/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs
@@ -1,9 +1,11 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
 using System.Collections.Generic;
 using System.Text.Json.Serialization;
-using MediaBrowser.Controller.Extensions;
+using Diacritics.Extensions;
 using Microsoft.Extensions.Logging;
 
 namespace MediaBrowser.Controller.Entities.Audio
@@ -13,19 +15,6 @@ namespace MediaBrowser.Controller.Entities.Audio
     /// </summary>
     public class MusicGenre : BaseItem, IItemByName
     {
-        public override List<string> GetUserDataKeys()
-        {
-            var list = base.GetUserDataKeys();
-
-            list.Insert(0, GetType().Name + "-" + (Name ?? string.Empty).RemoveDiacritics());
-            return list;
-        }
-
-        public override string CreatePresentationUniqueKey()
-        {
-            return GetUserDataKeys()[0];
-        }
-
         [JsonIgnore]
         public override bool SupportsAddingToPlaylist => true;
 
@@ -36,13 +25,29 @@ namespace MediaBrowser.Controller.Entities.Audio
         public override bool IsDisplayedAsFolder => true;
 
         /// <summary>
-        /// Returns the folder containing the item.
+        /// Gets the folder containing the item.
         /// If the item is a folder, it returns the folder itself.
         /// </summary>
         /// <value>The containing folder path.</value>
         [JsonIgnore]
         public override string ContainingFolderPath => Path;
 
+        [JsonIgnore]
+        public override bool SupportsPeople => false;
+
+        public override List<string> GetUserDataKeys()
+        {
+            var list = base.GetUserDataKeys();
+
+            list.Insert(0, GetType().Name + "-" + (Name ?? string.Empty).RemoveDiacritics());
+            return list;
+        }
+
+        public override string CreatePresentationUniqueKey()
+        {
+            return GetUserDataKeys()[0];
+        }
+
         public override double GetDefaultPrimaryImageAspectRatio()
         {
             return 1;
@@ -58,13 +63,10 @@ namespace MediaBrowser.Controller.Entities.Audio
             return true;
         }
 
-        [JsonIgnore]
-        public override bool SupportsPeople => false;
-
         public IList<BaseItem> GetTaggedItems(InternalItemsQuery query)
         {
             query.GenreIds = new[] { Id };
-            query.IncludeItemTypes = new[] { typeof(MusicVideo).Name, typeof(Audio).Name, typeof(MusicAlbum).Name, typeof(MusicArtist).Name };
+            query.IncludeItemTypes = new[] { nameof(MusicVideo), nameof(Audio), nameof(MusicAlbum), nameof(MusicArtist) };
 
             return LibraryManager.GetItemList(query);
         }
@@ -104,9 +106,11 @@ namespace MediaBrowser.Controller.Entities.Audio
         /// <summary>
         /// This is called before any metadata refresh and returns true or false indicating if changes were made.
         /// </summary>
-        public override bool BeforeMetadataRefresh(bool replaceAllMetdata)
+        /// <param name="replaceAllMetadata">Option to replace metadata.</param>
+        /// <returns>True if metadata changed.</returns>
+        public override bool BeforeMetadataRefresh(bool replaceAllMetadata)
         {
-            var hasChanges = base.BeforeMetadataRefresh(replaceAllMetdata);
+            var hasChanges = base.BeforeMetadataRefresh(replaceAllMetadata);
 
             var newPath = GetRebasedPath();
             if (!string.Equals(Path, newPath, StringComparison.Ordinal))