From d64e18b69a0a6089aab350f33464f362f09de942 Mon Sep 17 00:00:00 2001
From: Shadowghost <Ghost_of_Stone@web.de>
Date: Wed, 29 Jul 2026 09:35:20 +0200
Subject: Fix more filter cases

---
 .../Extensions/ExpressionExtensions.cs                      | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'Jellyfin.Server.Implementations/Extensions/ExpressionExtensions.cs')

diff --git a/Jellyfin.Server.Implementations/Extensions/ExpressionExtensions.cs b/Jellyfin.Server.Implementations/Extensions/ExpressionExtensions.cs
index d70ac672f2..0f166fc6e0 100644
--- a/Jellyfin.Server.Implementations/Extensions/ExpressionExtensions.cs
+++ b/Jellyfin.Server.Implementations/Extensions/ExpressionExtensions.cs
@@ -39,6 +39,19 @@ public static class ExpressionExtensions
         return predicates.Aggregate((aggregatePredicate, nextPredicate) => aggregatePredicate.Or(nextPredicate));
     }
 
+    /// <summary>
+    /// Negates a predicate.
+    /// </summary>
+    /// <typeparam name="T">The predicate parameter type.</typeparam>
+    /// <param name="predicate">The predicate expression to negate.</param>
+    /// <returns>A new expression representing the negation of the input predicate.</returns>
+    public static Expression<Func<T, bool>> Not<T>(this Expression<Func<T, bool>> predicate)
+    {
+        ArgumentNullException.ThrowIfNull(predicate);
+
+        return Expression.Lambda<Func<T, bool>>(Expression.Not(predicate.Body), predicate.Parameters);
+    }
+
     /// <summary>
     /// Combines two predicates into a single predicate using a logical AND operation.
     /// </summary>
-- 
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