some work work on api

Pilz.Networking/Api/DefaultMessageSerializer.cs

@@ -1,14 +1,28 @@
-namespace Pilz.Networking.Api;
+using Newtonsoft.Json;
+
+namespace Pilz.Networking.Api;
 
 public class DefaultMessageSerializer : IMessageSerializer
 {
-    public ApiMessage? Deserialize(string json)
+    private static JsonSerializerSettings? defaultSerializerSettings;
+
+    public JsonSerializerSettings DefaultSerializerSettings => defaultSerializerSettings ??= CreateDefaultSerializerSettings();
+
+    protected virtual JsonSerializerSettings CreateDefaultSerializerSettings()
     {
-        // ...
+        return new JsonSerializerSettings
+        {
+            TypeNameHandling = TypeNameHandling.Auto,
+        };
     }
 
-    public string? Serialize(ApiMessage message)
+    public virtual string? Serialize(ApiMessage message)
     {
-        // ...
+        return JsonConvert.SerializeObject(message, DefaultSerializerSettings);
+    }
+
+    public virtual ApiMessage? Deserialize(string json, Type target)
+    {
+        return JsonConvert.DeserializeObject(json, target, DefaultSerializerSettings) as ApiMessage;
     }
 }