Support for MetadataTypeAttribute

src/Destructurama.Attributed.Tests/MetadataTypeTests.cs

@@ -0,0 +1,43 @@
+using System.ComponentModel.DataAnnotations;
+using Destructurama.Attributed.Tests.Support;
+using NUnit.Framework;
+using Serilog.Events;
+using Shouldly;
+
+namespace Destructurama.Attributed.Tests;
+
+[TestFixture]
+public class MetadataTypeTests
+{
+    [Test]
+    public void MetadataType_Should_Be_Respected()
+    {
+        var customized = new Dto
+        {
+            Private = "secret",
+            Public = "not_Secret"
+        };
+
+        var evt = DelegatingSink.Execute(customized);
+
+        var sv = (StructureValue)evt.Properties["Customized"];
+        var props = sv.Properties.ToDictionary(p => p.Name, p => p.Value);
+
+        props.Count.ShouldBe(1);
+        props["Public"].LiteralValue().ShouldBe("not_Secret");
+    }
+
+    [MetadataType(typeof(DtoMetadata))]
+    public partial class Dto
+    {
+        public string Private { get; set; }
+
+        public string Public { get; set; }
+    }
+
+    internal class DtoMetadata
+    {
+        [NotLogged]
+        public object Private { get; set; }
+    }
+}

src/Destructurama.Attributed/Attributed/AttributedDestructuringPolicy.cs

@@ -85,6 +85,8 @@ private CacheEntry CreateCacheEntry(Type type)
         if (classDestructurer != null)
             return new(classDestructurer.CreateLogEventPropertyValue);
 
+        // TODO: fetch ti.GetCustomAttribute<MetadataTypeAttribute>(); and bind to properties
+
         var properties = GetPropertiesRecursive(type).ToList();
         if (!_options.IgnoreNullProperties && properties.All(pi =>
             GetPropertyDestructuringAttribute(pi) == null

src/Destructurama.Attributed/Destructurama.Attributed.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
     <Description>Use attributes to control how complex types are logged to Serilog.</Description>
     <RootNamespace>Destructurama</RootNamespace>
     <PolySharpIncludeRuntimeSupportedAttributes>true</PolySharpIncludeRuntimeSupportedAttributes>
@@ -10,6 +10,7 @@
   <ItemGroup>
     <PackageReference Include="Serilog" Version="4.2.0" />
     <PackageReference Include="PolySharp" Version="1.14.1" PrivateAssets="All" />
+    <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" Condition="'$(TargetFramework)' == 'netstandard2.1'" />
     <InternalsVisibleTo Include="Destructurama.Attributed.Tests, PublicKey=0024000004800000940000000602000000240000525341310004000001000100638a43140e8a1271c1453df1379e64b40b67a1f333864c1aef5ac318a0fa2008545c3d35a82ef005edf0de1ad1e1ea155722fe289df0e462f78c40a668cbc96d7be1d487faef5714a54bb4e57909c86b3924c2db6d55ccf59939b99eb0cab6e8a91429ba0ce630c08a319b323bddcbbd509f1afe4ae77a6cbb8b447f588febc3" />
     <InternalsVisibleTo Include="Benchmarks, PublicKey=0024000004800000940000000602000000240000525341310004000001000100638a43140e8a1271c1453df1379e64b40b67a1f333864c1aef5ac318a0fa2008545c3d35a82ef005edf0de1ad1e1ea155722fe289df0e462f78c40a668cbc96d7be1d487faef5714a54bb4e57909c86b3924c2db6d55ccf59939b99eb0cab6e8a91429ba0ce630c08a319b323bddcbbd509f1afe4ae77a6cbb8b447f588febc3" />
   </ItemGroup>