From cae38f3a7ed80231f1e34cb69f4af9328ff8839f Mon Sep 17 00:00:00 2001
From: crobibero <cody@robibe.ro>
Date: Tue, 29 Dec 2020 16:08:16 -0700
Subject: Add JsonConverter for Nullable Guids

---
 .../Json/Converters/JsonNullableGuidConverter.cs   | 33 ++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 MediaBrowser.Common/Json/Converters/JsonNullableGuidConverter.cs

(limited to 'MediaBrowser.Common/Json/Converters')

diff --git a/MediaBrowser.Common/Json/Converters/JsonNullableGuidConverter.cs b/MediaBrowser.Common/Json/Converters/JsonNullableGuidConverter.cs
new file mode 100644
index 0000000000..6d96d5496f
--- /dev/null
+++ b/MediaBrowser.Common/Json/Converters/JsonNullableGuidConverter.cs
@@ -0,0 +1,33 @@
+using System;
+using System.Globalization;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace MediaBrowser.Common.Json.Converters
+{
+    /// <summary>
+    /// Converts a GUID object or value to/from JSON.
+    /// </summary>
+    public class JsonNullableGuidConverter : JsonConverter<Guid?>
+    {
+        /// <inheritdoc />
+        public override Guid? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            var guidStr = reader.GetString();
+            return guidStr == null ? null : new Guid(guidStr);
+        }
+
+        /// <inheritdoc />
+        public override void Write(Utf8JsonWriter writer, Guid? value, JsonSerializerOptions options)
+        {
+            if (value == null || value == Guid.Empty)
+            {
+                writer.WriteNullValue();
+            }
+            else
+            {
+                writer.WriteStringValue(value.Value.ToString("N", CultureInfo.InvariantCulture));
+            }
+        }
+    }
+}
-- 
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