Merge remote-tracking branch 'upstream/master' into baseitemkind-fixes

1 files changed, 27 insertions, 0 deletions

diff --git a/src/Jellyfin.Extensions/Json/Converters/JsonNullableStructConverterFactory.cs b/src/Jellyfin.Extensions/Json/Converters/JsonNullableStructConverterFactory.cs
new file mode 100644
index 000000000..e7749589a
--- /dev/null
+++ b/src/Jellyfin.Extensions/Json/Converters/JsonNullableStructConverterFactory.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Jellyfin.Extensions.Json.Converters
+{
+    /// <summary>
+    /// Json nullable struct converter factory.
+    /// </summary>
+    public class JsonNullableStructConverterFactory : JsonConverterFactory
+    {
+        /// <inheritdoc />
+        public override bool CanConvert(Type typeToConvert)
+        {
+            return typeToConvert.IsGenericType
+                   && typeToConvert.GetGenericTypeDefinition() == typeof(Nullable<>)
+                   && typeToConvert.GenericTypeArguments[0].IsValueType;
+        }
+
+        /// <inheritdoc />
+        public override JsonConverter? CreateConverter(Type typeToConvert, JsonSerializerOptions options)
+        {
+            var structType = typeToConvert.GenericTypeArguments[0];
+            return (JsonConverter?)Activator.CreateInstance(typeof(JsonNullableStructConverter<>).MakeGenericType(structType));
+        }
+    }
+}