fix: Do not write null values to service JSON data

src/Recyclarr.Cli/Pipelines/QualityProfile/Api/DtoUtil.cs

@@ -0,0 +1,12 @@
+namespace Recyclarr.Cli.Pipelines.QualityProfile.Api;
+
+public static class DtoUtil
+{
+    public static void SetIfNotNull<T>(ref T propertyValue, T? newValue)
+    {
+        if (newValue is not null)
+        {
+            propertyValue = newValue;
+        }
+    }
+}

src/Recyclarr.Cli/Pipelines/QualityProfile/Api/QualityProfileDto.cs

@@ -3,17 +3,6 @@ using JetBrains.Annotations;
 
 namespace Recyclarr.Cli.Pipelines.QualityProfile.Api;
 
-public static class DtoUtil
-{
-    public static void SetIfNotNull<T>(ref T propertyValue, T? newValue)
-    {
-        if (newValue is not null)
-        {
-            propertyValue = newValue;
-        }
-    }
-}
-
 [UsedImplicitly]
 public record QualityProfileDto
 {

src/Recyclarr.Json/JsonSerializationModifiers.cs

@@ -9,33 +9,15 @@ public sealed class JsonNoSerializeAttribute : Attribute
 
 public static class JsonSerializationModifiers
 {
-    private static bool HasAttribute<T>(JsonPropertyInfo? prop, IReadOnlyDictionary<string, IEnumerable<Type>> allAttrs)
-        where T : Attribute
-    {
-        if (prop is null)
-        {
-            return false;
-        }
-
-        if (!allAttrs.TryGetValue(prop.Name, out var attrs))
-        {
-            return false;
-        }
-
-        return attrs.Any(x => x.IsAssignableTo(typeof(T)));
-    }
-
     public static void IgnoreNoSerializeAttribute(JsonTypeInfo type)
     {
-        var attrs = type.Properties
-            .Select(x => (Property: x, Attributes: x.PropertyType.GetCustomAttributes(false).Select(y => y.GetType())))
-            .Where(x => x.Attributes.Any())
-            .ToDictionary(x => x.Property.Name, x => x.Attributes);
+        var propertiesToRemove = type.Properties
+            .Where(x => x.AttributeProvider?.IsDefined(typeof(JsonNoSerializeAttribute), false) ?? false)
+            .ToList();
 
-        var props = type.Properties;
-        foreach (var prop in props)
+        foreach (var prop in propertiesToRemove)
         {
-            prop.ShouldSerialize = (_, _) => !HasAttribute<JsonNoSerializeAttribute>(prop, attrs);
+            prop.ShouldSerialize = (_, _) => false;
         }
     }
 }