1 files changed, 29 insertions, 10 deletions

diff --git a/MediaBrowser.Controller/Entities/BaseItem.cs b/MediaBrowser.Controller/Entities/BaseItem.cs
index 66de080a3..623262407 100644
--- a/MediaBrowser.Controller/Entities/BaseItem.cs
+++ b/MediaBrowser.Controller/Entities/BaseItem.cs
@@ -33,7 +33,7 @@ namespace MediaBrowser.Controller.Entities
     /// <summary>
     /// Class BaseItem
     /// </summary>
-    public abstract class BaseItem : IHasProviderIds, IHasLookupInfo<ItemLookupInfo>
+    public abstract class BaseItem : IHasProviderIds, IHasLookupInfo<ItemLookupInfo>, IEquatable<BaseItem>
     {
         /// <summary>
         /// The supported image extensions
@@ -2190,13 +2190,9 @@ namespace MediaBrowser.Controller.Entities
         /// <summary>
         /// Do whatever refreshing is necessary when the filesystem pertaining to this item has changed.
         /// </summary>
-        /// <returns>Task.</returns>
         public virtual void ChangedExternally()
         {
-            ProviderManager.QueueRefresh(Id, new MetadataRefreshOptions(new DirectoryService(FileSystem))
-            {
-
-            }, RefreshPriority.High);
+            ProviderManager.QueueRefresh(Id, new MetadataRefreshOptions(new DirectoryService(FileSystem)), RefreshPriority.High);
         }
 
         /// <summary>
@@ -2227,7 +2223,6 @@ namespace MediaBrowser.Controller.Entities
                 existingImage.Width = image.Width;
                 existingImage.Height = image.Height;
             }
-
             else
             {
                 var current = ImageInfos;
@@ -2270,7 +2265,6 @@ namespace MediaBrowser.Controller.Entities
         /// </summary>
         /// <param name="type">The type.</param>
         /// <param name="index">The index.</param>
-        /// <returns>Task.</returns>
         public void DeleteImage(ImageType type, int index)
         {
             var info = GetImageInfo(type, index);
@@ -2308,7 +2302,7 @@ namespace MediaBrowser.Controller.Entities
         }
 
         /// <summary>
-        /// Validates that images within the item are still on the file system
+        /// Validates that images within the item are still on the filesystem.
         /// </summary>
         public bool ValidateImages(IDirectoryService directoryService)
         {
@@ -2602,7 +2596,7 @@ namespace MediaBrowser.Controller.Entities
         }
 
         /// <summary>
-        /// This is called before any metadata refresh and returns true or false indicating if changes were made
+        /// This is called before any metadata refresh and returns true if changes were made.
         /// </summary>
         public virtual bool BeforeMetadataRefresh(bool replaceAllMetdata)
         {
@@ -2662,36 +2656,43 @@ namespace MediaBrowser.Controller.Entities
                     newOptions.ForceSave = true;
                     ownedItem.Genres = item.Genres;
                 }
+
                 if (!item.Studios.SequenceEqual(ownedItem.Studios, StringComparer.Ordinal))
                 {
                     newOptions.ForceSave = true;
                     ownedItem.Studios = item.Studios;
                 }
+
                 if (!item.ProductionLocations.SequenceEqual(ownedItem.ProductionLocations, StringComparer.Ordinal))
                 {
                     newOptions.ForceSave = true;
                     ownedItem.ProductionLocations = item.ProductionLocations;
                 }
+
                 if (item.CommunityRating != ownedItem.CommunityRating)
                 {
                     ownedItem.CommunityRating = item.CommunityRating;
                     newOptions.ForceSave = true;
                 }
+
                 if (item.CriticRating != ownedItem.CriticRating)
                 {
                     ownedItem.CriticRating = item.CriticRating;
                     newOptions.ForceSave = true;
                 }
+
                 if (!string.Equals(item.Overview, ownedItem.Overview, StringComparison.Ordinal))
                 {
                     ownedItem.Overview = item.Overview;
                     newOptions.ForceSave = true;
                 }
+
                 if (!string.Equals(item.OfficialRating, ownedItem.OfficialRating, StringComparison.Ordinal))
                 {
                     ownedItem.OfficialRating = item.OfficialRating;
                     newOptions.ForceSave = true;
                 }
+
                 if (!string.Equals(item.CustomRating, ownedItem.CustomRating, StringComparison.Ordinal))
                 {
                     ownedItem.CustomRating = item.CustomRating;
@@ -2900,11 +2901,17 @@ namespace MediaBrowser.Controller.Entities
         }
 
         public virtual bool IsHD => Height >= 720;
+
         public bool IsShortcut { get; set; }
+
         public string ShortcutPath { get; set; }
+
         public int Width { get; set; }
+
         public int Height { get; set; }
+
         public Guid[] ExtraIds { get; set; }
+
         public virtual long GetRunTimeTicksForPlayState()
         {
             return RunTimeTicks ?? 0;
@@ -2914,5 +2921,17 @@ namespace MediaBrowser.Controller.Entities
         public static readonly IReadOnlyCollection<ExtraType> DisplayExtraTypes = new[] { Model.Entities.ExtraType.BehindTheScenes, Model.Entities.ExtraType.Clip, Model.Entities.ExtraType.DeletedScene, Model.Entities.ExtraType.Interview, Model.Entities.ExtraType.Sample, Model.Entities.ExtraType.Scene };
 
         public virtual bool SupportsExternalTransfer => false;
+
+        /// <inheritdoc />
+        public override bool Equals(object obj)
+        {
+            return obj is BaseItem baseItem && this.Equals(baseItem);
+        }
+
+        /// <inheritdoc />
+        public bool Equals(BaseItem item) => Object.Equals(Id, item?.Id);
+
+        /// <inheritdoc />
+        public override int GetHashCode() => HashCode.Combine(Id);
     }
 }