Replace == null with is null

13 files changed, 55 insertions, 55 deletions

diff --git a/MediaBrowser.Controller/Entities/AggregateFolder.cs b/MediaBrowser.Controller/Entities/AggregateFolder.cs
index e671e5c711..4dc78ff86b 100644
--- a/MediaBrowser.Controller/Entities/AggregateFolder.cs
+++ b/MediaBrowser.Controller/Entities/AggregateFolder.cs
@@ -67,7 +67,7 @@ namespace MediaBrowser.Controller.Entities
         {
             lock (_childIdsLock)
             {
-                if (_childrenIds == null || _childrenIds.Length == 0)
+                if (_childrenIds is null || _childrenIds.Length == 0)
                 {
                     var list = base.LoadChildren();
                     _childrenIds = list.Select(i => i.Id).ToArray();
diff --git a/MediaBrowser.Controller/Entities/BaseItem.cs b/MediaBrowser.Controller/Entities/BaseItem.cs
index 7f5f9f74bd..20f0095880 100644
--- a/MediaBrowser.Controller/Entities/BaseItem.cs
+++ b/MediaBrowser.Controller/Entities/BaseItem.cs
@@ -494,7 +494,7 @@ namespace MediaBrowser.Controller.Entities
         {
             get
             {
-                if (_sortName == null)
+                if (_sortName is null)
                 {
                     if (!string.IsNullOrEmpty(ForcedSortName))
                     {
@@ -880,7 +880,7 @@ namespace MediaBrowser.Controller.Entities
         /// <returns>System.String.</returns>
         protected virtual string CreateSortName()
         {
-            if (Name == null)
+            if (Name is null)
             {
                 return null; // some items may not have name filled in properly
             }
@@ -1073,7 +1073,7 @@ namespace MediaBrowser.Controller.Entities
             {
                 var stream = i.VideoStream;
 
-                return stream == null || stream.Width == null ? 0 : stream.Width.Value;
+                return stream is null || stream.Width is null ? 0 : stream.Width.Value;
             })
             .ToList();
         }
@@ -1330,7 +1330,7 @@ namespace MediaBrowser.Controller.Entities
 
         public void SetParent(Folder parent)
         {
-            ParentId = parent == null ? Guid.Empty : parent.Id;
+            ParentId = parent is null ? Guid.Empty : parent.Id;
         }
 
         /// <summary>
@@ -1534,7 +1534,7 @@ namespace MediaBrowser.Controller.Entities
 
             var maxAllowedRating = user.MaxParentalAgeRating;
 
-            if (maxAllowedRating == null)
+            if (maxAllowedRating is null)
             {
                 return true;
             }
@@ -1701,7 +1701,7 @@ namespace MediaBrowser.Controller.Entities
             var item = FindLinkedChild(info);
 
             // If still null, log
-            if (item == null)
+            if (item is null)
             {
                 // Don't keep searching over and over
                 info.ItemId = Guid.Empty;
@@ -1725,7 +1725,7 @@ namespace MediaBrowser.Controller.Entities
 
                 var itemByPath = LibraryManager.FindByPath(path, null);
 
-                if (itemByPath == null)
+                if (itemByPath is null)
                 {
                     Logger.LogWarning("Unable to find linked item at path {0}", info.Path);
                 }
@@ -1737,7 +1737,7 @@ namespace MediaBrowser.Controller.Entities
             {
                 var item = LibraryManager.GetItemById(info.LibraryItemId);
 
-                if (item == null)
+                if (item is null)
                 {
                     Logger.LogWarning("Unable to find linked item at path {0}", info.Path);
                 }
@@ -1892,7 +1892,7 @@ namespace MediaBrowser.Controller.Entities
 
             var existingImage = GetImageInfo(image.Type, index);
 
-            if (existingImage == null)
+            if (existingImage is null)
             {
                 AddImage(image);
             }
@@ -1915,7 +1915,7 @@ namespace MediaBrowser.Controller.Entities
 
             var image = GetImageInfo(type, index);
 
-            if (image == null)
+            if (image is null)
             {
                 AddImage(GetImageInfo(file, type));
             }
@@ -1942,7 +1942,7 @@ namespace MediaBrowser.Controller.Entities
         {
             var info = GetImageInfo(type, index);
 
-            if (info == null)
+            if (info is null)
             {
                 // Nothing to do
                 return;
@@ -2035,7 +2035,7 @@ namespace MediaBrowser.Controller.Entities
             {
                 var chapter = ItemRepository.GetChapter(this, imageIndex);
 
-                if (chapter == null)
+                if (chapter is null)
                 {
                     return null;
                 }
@@ -2147,7 +2147,7 @@ namespace MediaBrowser.Controller.Entities
 
             foreach (var newImage in images)
             {
-                if (newImage == null)
+                if (newImage is null)
                 {
                     throw new ArgumentException("null image found in list");
                 }
@@ -2155,7 +2155,7 @@ namespace MediaBrowser.Controller.Entities
                 var existing = existingImages
                     .Find(i => string.Equals(i.Path, newImage.FullName, StringComparison.OrdinalIgnoreCase));
 
-                if (existing == null)
+                if (existing is null)
                 {
                     newImageList.Add(newImage);
                 }
@@ -2241,7 +2241,7 @@ namespace MediaBrowser.Controller.Entities
             var info1 = GetImageInfo(type, index1);
             var info2 = GetImageInfo(type, index2);
 
-            if (info1 == null || info2 == null)
+            if (info1 is null || info2 is null)
             {
                 // Nothing to do
                 return Task.CompletedTask;
@@ -2290,7 +2290,7 @@ namespace MediaBrowser.Controller.Entities
 
             var userdata = UserDataManager.GetUserData(user, this);
 
-            return userdata == null || !userdata.Played;
+            return userdata is null || !userdata.Played;
         }
 
         ItemLookupInfo IHasLookupInfo<ItemLookupInfo>.GetLookupInfo()
@@ -2445,14 +2445,14 @@ namespace MediaBrowser.Controller.Entities
             // Try to retrieve it from the db. If we don't find it, use the resolved version
             var video = LibraryManager.GetItemById(id) as Video;
 
-            if (video == null)
+            if (video is null)
             {
                 video = LibraryManager.ResolvePath(FileSystem.GetFileSystemInfo(path)) as Video;
 
                 newOptions.ForceSave = true;
             }
 
-            if (video == null)
+            if (video is null)
             {
                 return Task.FromResult(true);
             }
diff --git a/MediaBrowser.Controller/Entities/BaseItemExtensions.cs b/MediaBrowser.Controller/Entities/BaseItemExtensions.cs
index 948eb43754..dc06bf9bda 100644
--- a/MediaBrowser.Controller/Entities/BaseItemExtensions.cs
+++ b/MediaBrowser.Controller/Entities/BaseItemExtensions.cs
@@ -89,7 +89,7 @@ namespace MediaBrowser.Controller.Entities
                 }
 
                 var v = sourceProp.GetValue(source);
-                if (v == null)
+                if (v is null)
                 {
                     continue;
                 }
diff --git a/MediaBrowser.Controller/Entities/Extensions.cs b/MediaBrowser.Controller/Entities/Extensions.cs
index 1acb92fdc6..d4a7793909 100644
--- a/MediaBrowser.Controller/Entities/Extensions.cs
+++ b/MediaBrowser.Controller/Entities/Extensions.cs
@@ -26,7 +26,7 @@ namespace MediaBrowser.Controller.Entities
 
             var current = item.RemoteTrailers.FirstOrDefault(i => string.Equals(i.Url, url, StringComparison.OrdinalIgnoreCase));
 
-            if (current == null)
+            if (current is null)
             {
                 var mediaUrl = new MediaUrl
                 {
diff --git a/MediaBrowser.Controller/Entities/Folder.cs b/MediaBrowser.Controller/Entities/Folder.cs
index 808f918104..9ef5504afb 100644
--- a/MediaBrowser.Controller/Entities/Folder.cs
+++ b/MediaBrowser.Controller/Entities/Folder.cs
@@ -703,7 +703,7 @@ namespace MediaBrowser.Controller.Entities
                 IEnumerable<BaseItem> items;
                 Func<BaseItem, bool> filter = i => UserViewBuilder.Filter(i, user, query, UserDataManager, LibraryManager);
 
-                if (query.User == null)
+                if (query.User is null)
                 {
                     items = GetRecursiveChildren(filter);
                 }
@@ -961,7 +961,7 @@ namespace MediaBrowser.Controller.Entities
 
             IEnumerable<BaseItem> items;
 
-            if (query.User == null)
+            if (query.User is null)
             {
                 items = Children.Where(filter);
             }
@@ -1311,7 +1311,7 @@ namespace MediaBrowser.Controller.Entities
             }
 
             // If there are not sub-folders, proceed as normal.
-            if (children == null)
+            if (children is null)
             {
                 children = GetEligibleChildrenForRecursiveChildren(user);
             }
@@ -1320,7 +1320,7 @@ namespace MediaBrowser.Controller.Entities
             {
                 bool? isVisibleToUser = null;
 
-                if (query == null || UserViewBuilder.FilterItem(child, query))
+                if (query is null || UserViewBuilder.FilterItem(child, query))
                 {
                     isVisibleToUser = child.IsVisible(user);
 
@@ -1345,7 +1345,7 @@ namespace MediaBrowser.Controller.Entities
             {
                 foreach (var child in GetLinkedChildren(user))
                 {
-                    if (query == null || UserViewBuilder.FilterItem(child, query))
+                    if (query is null || UserViewBuilder.FilterItem(child, query))
                     {
                         if (child.IsVisible(user))
                         {
@@ -1402,7 +1402,7 @@ namespace MediaBrowser.Controller.Entities
         {
             foreach (var child in Children)
             {
-                if (filter == null || filter(child))
+                if (filter is null || filter(child))
                 {
                     result[child.Id] = child;
                 }
@@ -1420,7 +1420,7 @@ namespace MediaBrowser.Controller.Entities
             {
                 foreach (var child in GetLinkedChildren())
                 {
-                    if (filter == null || filter(child))
+                    if (filter is null || filter(child))
                     {
                         result[child.Id] = child;
                     }
@@ -1478,7 +1478,7 @@ namespace MediaBrowser.Controller.Entities
 
         public List<BaseItem> GetLinkedChildren(User user)
         {
-            if (!FilterLinkedChildrenPerUser || user == null)
+            if (!FilterLinkedChildrenPerUser || user is null)
             {
                 return GetLinkedChildren();
             }
@@ -1504,7 +1504,7 @@ namespace MediaBrowser.Controller.Entities
             {
                 var child = GetLinkedChild(i);
 
-                if (child == null)
+                if (child is null)
                 {
                     continue;
                 }
diff --git a/MediaBrowser.Controller/Entities/InternalItemsQuery.cs b/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
index 1bf5285382..fc019c0ee7 100644
--- a/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
+++ b/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
@@ -316,7 +316,7 @@ namespace MediaBrowser.Controller.Entities
         {
             set
             {
-                if (value == null)
+                if (value is null)
                 {
                     ParentId = Guid.Empty;
                     ParentType = null;
diff --git a/MediaBrowser.Controller/Entities/ItemImageInfo.cs b/MediaBrowser.Controller/Entities/ItemImageInfo.cs
index ea8555dbfe..0171af27cf 100644
--- a/MediaBrowser.Controller/Entities/ItemImageInfo.cs
+++ b/MediaBrowser.Controller/Entities/ItemImageInfo.cs
@@ -39,6 +39,6 @@ namespace MediaBrowser.Controller.Entities
         public string BlurHash { get; set; }
 
         [JsonIgnore]
-        public bool IsLocalFile => Path == null || !Path.StartsWith("http", StringComparison.OrdinalIgnoreCase);
+        public bool IsLocalFile => Path is null || !Path.StartsWith("http", StringComparison.OrdinalIgnoreCase);
     }
 }
diff --git a/MediaBrowser.Controller/Entities/PeopleHelper.cs b/MediaBrowser.Controller/Entities/PeopleHelper.cs
index 8571bfcea5..46d969ffe4 100644
--- a/MediaBrowser.Controller/Entities/PeopleHelper.cs
+++ b/MediaBrowser.Controller/Entities/PeopleHelper.cs
@@ -53,7 +53,7 @@ namespace MediaBrowser.Controller.Entities
             {
                 // If the actor already exists without a role and we have one, fill it in
                 var existing = people.FirstOrDefault(p => p.Name.Equals(person.Name, StringComparison.OrdinalIgnoreCase) && (p.Type.Equals(PersonType.Actor, StringComparison.OrdinalIgnoreCase) || p.Type.Equals(PersonType.GuestStar, StringComparison.OrdinalIgnoreCase)));
-                if (existing == null)
+                if (existing is null)
                 {
                     // Wasn't there - add it
                     people.Add(person);
@@ -76,7 +76,7 @@ namespace MediaBrowser.Controller.Entities
                             string.Equals(p.Type, person.Type, StringComparison.OrdinalIgnoreCase));
 
                 // Check for dupes based on the combination of Name and Type
-                if (existing == null)
+                if (existing is null)
                 {
                     people.Add(person);
                 }
diff --git a/MediaBrowser.Controller/Entities/TV/Episode.cs b/MediaBrowser.Controller/Entities/TV/Episode.cs
index 15b721fe63..2d9cdb8d04 100644
--- a/MediaBrowser.Controller/Entities/TV/Episode.cs
+++ b/MediaBrowser.Controller/Entities/TV/Episode.cs
@@ -136,7 +136,7 @@ namespace MediaBrowser.Controller.Entities.TV
         public string FindSeriesSortName()
         {
             var series = Series;
-            return series == null ? SeriesName : series.SortName;
+            return series is null ? SeriesName : series.SortName;
         }
 
         public override double GetDefaultPrimaryImageAspectRatio()
@@ -181,14 +181,14 @@ namespace MediaBrowser.Controller.Entities.TV
         public string FindSeriesPresentationUniqueKey()
         {
             var series = Series;
-            return series == null ? null : series.PresentationUniqueKey;
+            return series is null ? null : series.PresentationUniqueKey;
         }
 
         public string FindSeasonName()
         {
             var season = Season;
 
-            if (season == null)
+            if (season is null)
             {
                 if (ParentIndexNumber.HasValue)
                 {
@@ -204,7 +204,7 @@ namespace MediaBrowser.Controller.Entities.TV
         public string FindSeriesName()
         {
             var series = Series;
-            return series == null ? SeriesName : series.Name;
+            return series is null ? SeriesName : series.Name;
         }
 
         public Guid FindSeasonId()
@@ -212,7 +212,7 @@ namespace MediaBrowser.Controller.Entities.TV
             var season = FindParent<Season>();
 
             // Episodes directly in series folder
-            if (season == null)
+            if (season is null)
             {
                 var series = Series;
 
@@ -226,7 +226,7 @@ namespace MediaBrowser.Controller.Entities.TV
                 }
             }
 
-            return season == null ? Guid.Empty : season.Id;
+            return season is null ? Guid.Empty : season.Id;
         }
 
         /// <summary>
@@ -262,7 +262,7 @@ namespace MediaBrowser.Controller.Entities.TV
         public Guid FindSeriesId()
         {
             var series = FindParent<Series>();
-            return series == null ? Guid.Empty : series.Id;
+            return series is null ? Guid.Empty : series.Id;
         }
 
         public override IEnumerable<Guid> GetAncestorIds()
diff --git a/MediaBrowser.Controller/Entities/TV/Season.cs b/MediaBrowser.Controller/Entities/TV/Season.cs
index 599d35da64..19fe16c8f1 100644
--- a/MediaBrowser.Controller/Entities/TV/Season.cs
+++ b/MediaBrowser.Controller/Entities/TV/Season.cs
@@ -93,7 +93,7 @@ namespace MediaBrowser.Controller.Entities.TV
         public string FindSeriesSortName()
         {
             var series = Series;
-            return series == null ? SeriesName : series.SortName;
+            return series is null ? SeriesName : series.SortName;
         }
 
         public override List<string> GetUserDataKeys()
@@ -149,7 +149,7 @@ namespace MediaBrowser.Controller.Entities.TV
 
         protected override QueryResult<BaseItem> GetItemsInternal(InternalItemsQuery query)
         {
-            if (query.User == null)
+            if (query.User is null)
             {
                 return base.GetItemsInternal(query);
             }
@@ -208,13 +208,13 @@ namespace MediaBrowser.Controller.Entities.TV
         public string FindSeriesPresentationUniqueKey()
         {
             var series = Series;
-            return series == null ? null : series.PresentationUniqueKey;
+            return series is null ? null : series.PresentationUniqueKey;
         }
 
         public string FindSeriesName()
         {
             var series = Series;
-            return series == null ? SeriesName : series.Name;
+            return series is null ? SeriesName : series.Name;
         }
 
         public Guid FindSeriesId()
diff --git a/MediaBrowser.Controller/Entities/TV/Series.cs b/MediaBrowser.Controller/Entities/TV/Series.cs
index d66802a64f..069071ee57 100644
--- a/MediaBrowser.Controller/Entities/TV/Series.cs
+++ b/MediaBrowser.Controller/Entities/TV/Series.cs
@@ -266,7 +266,7 @@ namespace MediaBrowser.Controller.Entities.TV
                 DtoOptions = options
             };
 
-            if (user == null || !user.DisplayMissingEpisodes)
+            if (user is null || !user.DisplayMissingEpisodes)
             {
                 query.IsMissing = false;
             }
@@ -384,7 +384,7 @@ namespace MediaBrowser.Controller.Entities.TV
 
         public List<BaseItem> GetSeasonEpisodes(Season parentSeason, User user, IEnumerable<BaseItem> allSeriesEpisodes, DtoOptions options)
         {
-            if (allSeriesEpisodes == null)
+            if (allSeriesEpisodes is null)
             {
                 return GetSeasonEpisodes(parentSeason, user, options);
             }
diff --git a/MediaBrowser.Controller/Entities/UserRootFolder.cs b/MediaBrowser.Controller/Entities/UserRootFolder.cs
index e547db5231..b19b1fa13b 100644
--- a/MediaBrowser.Controller/Entities/UserRootFolder.cs
+++ b/MediaBrowser.Controller/Entities/UserRootFolder.cs
@@ -56,7 +56,7 @@ namespace MediaBrowser.Controller.Entities
         {
             lock (_childIdsLock)
             {
-                if (_childrenIds == null)
+                if (_childrenIds is null)
                 {
                     var list = base.LoadChildren();
                     _childrenIds = list.Select(i => i.Id).ToList();
diff --git a/MediaBrowser.Controller/Entities/UserViewBuilder.cs b/MediaBrowser.Controller/Entities/UserViewBuilder.cs
index f467a60384..7ebf9e5f8b 100644
--- a/MediaBrowser.Controller/Entities/UserViewBuilder.cs
+++ b/MediaBrowser.Controller/Entities/UserViewBuilder.cs
@@ -559,7 +559,7 @@ namespace MediaBrowser.Controller.Entities
                 var val = query.Is3D.Value;
                 var video = item as Video;
 
-                if (video == null || val != video.Video3DFormat.HasValue)
+                if (video is null || val != video.Video3DFormat.HasValue)
                 {
                     return false;
                 }
@@ -689,7 +689,7 @@ namespace MediaBrowser.Controller.Entities
 
                 var video = item as Video;
 
-                if (video == null || val != video.HasSubtitles)
+                if (video is null || val != video.HasSubtitles)
                 {
                     return false;
                 }
@@ -776,7 +776,7 @@ namespace MediaBrowser.Controller.Entities
             if (query.VideoTypes.Length > 0)
             {
                 var video = item as Video;
-                if (video == null || !query.VideoTypes.Contains(video.VideoType))
+                if (video is null || !query.VideoTypes.Contains(video.VideoType))
                 {
                     return false;
                 }
@@ -913,7 +913,7 @@ namespace MediaBrowser.Controller.Entities
             {
                 var episode = item as Episode;
 
-                if (episode == null)
+                if (episode is null)
                 {
                     return false;
                 }
@@ -929,7 +929,7 @@ namespace MediaBrowser.Controller.Entities
 
         private IEnumerable<BaseItem> GetMediaFolders(User user)
         {
-            if (user == null)
+            if (user is null)
             {
                 return _libraryManager.RootFolder
                     .Children
@@ -945,7 +945,7 @@ namespace MediaBrowser.Controller.Entities
 
         private BaseItem[] GetMediaFolders(User user, IEnumerable<string> viewTypes)
         {
-            if (user == null)
+            if (user is null)
             {
                 return GetMediaFolders(null)
                     .Where(i =>
@@ -967,7 +967,7 @@ namespace MediaBrowser.Controller.Entities
 
         private BaseItem[] GetMediaFolders(Folder parent, User user, IEnumerable<string> viewTypes)
         {
-            if (parent == null || parent is UserView)
+            if (parent is null || parent is UserView)
             {
                 return GetMediaFolders(user, viewTypes);
             }