Only save unique values of ProductionLocations, Studios, Tags, Artists and AlbumArtists

1 files changed, 5 insertions, 5 deletions

diff --git a/Jellyfin.Api/Controllers/ItemUpdateController.cs b/Jellyfin.Api/Controllers/ItemUpdateController.cs
index 605d2aeec2..b127433962 100644
--- a/Jellyfin.Api/Controllers/ItemUpdateController.cs
+++ b/Jellyfin.Api/Controllers/ItemUpdateController.cs
@@ -270,7 +270,7 @@ public class ItemUpdateController : BaseJellyfinApiController
 
         if (request.Studios is not null)
         {
-            item.Studios = Array.ConvertAll(request.Studios, x => x.Name);
+            item.Studios = Array.ConvertAll(request.Studios, x => x.Name).Distinct(StringComparer.OrdinalIgnoreCase).ToArray();
         }
 
         if (request.DateCreated.HasValue)
@@ -287,7 +287,7 @@ public class ItemUpdateController : BaseJellyfinApiController
         item.CustomRating = request.CustomRating;
 
         var currentTags = item.Tags;
-        var newTags = request.Tags;
+        var newTags = request.Tags.Distinct(StringComparer.OrdinalIgnoreCase).ToArray();
         var removedTags = currentTags.Except(newTags).ToList();
         var addedTags = newTags.Except(currentTags).ToList();
         item.Tags = newTags;
@@ -373,7 +373,7 @@ public class ItemUpdateController : BaseJellyfinApiController
 
         if (request.ProductionLocations is not null)
         {
-            item.ProductionLocations = request.ProductionLocations;
+            item.ProductionLocations = request.ProductionLocations.Distinct(StringComparer.OrdinalIgnoreCase).ToArray();
         }
 
         item.PreferredMetadataCountryCode = request.PreferredMetadataCountryCode;
@@ -421,7 +421,7 @@ public class ItemUpdateController : BaseJellyfinApiController
         {
             if (item is IHasAlbumArtist hasAlbumArtists)
             {
-                hasAlbumArtists.AlbumArtists = Array.ConvertAll(request.AlbumArtists, i => i.Name.Trim());
+                hasAlbumArtists.AlbumArtists = Array.ConvertAll(request.AlbumArtists, i => i.Name.Trim()).Distinct(StringComparer.OrdinalIgnoreCase).ToArray();
             }
         }
 
@@ -429,7 +429,7 @@ public class ItemUpdateController : BaseJellyfinApiController
         {
             if (item is IHasArtist hasArtists)
             {
-                hasArtists.Artists = Array.ConvertAll(request.ArtistItems, i => i.Name.Trim());
+                hasArtists.Artists = Array.ConvertAll(request.ArtistItems, i => i.Name.Trim()).Distinct(StringComparer.OrdinalIgnoreCase).ToArray();
             }
         }