OpenAI-DotNet 8.5.3 (#411)

- Fix JsonStringEnumConverter for ChatRequests
- Fix Chat.Role serialization

OpenAI-DotNet/Common/ReasoningEffort.cs

@@ -1,5 +1,7 @@
 // Licensed under the MIT License. See LICENSE in the project root for license information.
 
+using System.Runtime.Serialization;
+
 namespace OpenAI
 {
     /// <summary>
@@ -11,8 +13,11 @@ namespace OpenAI
     /// </remarks>
     public enum ReasoningEffort
     {
+        [EnumMember(Value = "low")]
         Low = 1,
+        [EnumMember(Value = "medium")]
         Medium,
+        [EnumMember(Value = "high")]
         High
     }
 }

OpenAI-DotNet/Common/Role.cs

@@ -1,17 +1,24 @@
 // Licensed under the MIT License. See LICENSE in the project root for license information.
 
 using System;
+using System.Runtime.Serialization;
 
 namespace OpenAI
 {
     public enum Role
     {
+        [EnumMember(Value = "system")]
         System = 1,
-        Developer = 1,
-        Assistant = 2,
-        User = 3,
+        [EnumMember(Value = "developer")]
+        Developer,
+        [EnumMember(Value = "assistant")]
+        Assistant,
+        [EnumMember(Value = "user")]
+        User,
         [Obsolete("Use Tool")]
-        Function = 4,
-        Tool = 4
+        [EnumMember(Value = "function")]
+        Function,
+        [EnumMember(Value = "tool")]
+        Tool
     }
 }

OpenAI-DotNet/Extensions/JsonStringEnumConverter.cs

@@ -14,6 +14,7 @@ namespace OpenAI.Extensions
     /// </summary>
     internal sealed class JsonStringEnumConverter<TEnum> : JsonConverter<TEnum> where TEnum : struct, Enum
     {
+        private const string ValueField = "value__";
         private readonly JsonNamingPolicy namingPolicy;
         private readonly Dictionary<int, TEnum> numberToEnum = new();
         private readonly Dictionary<TEnum, string> enumToString = new();
@@ -31,59 +32,57 @@ public JsonStringEnumConverter()
                 var attribute = enumMember.GetCustomAttributes(typeof(EnumMemberAttribute), false)
                     .Cast<EnumMemberAttribute>()
                     .FirstOrDefault();
-                var index = Convert.ToInt32(type.GetField("value__")?.GetValue(value));
+                var index = Convert.ToInt32(type.GetField(ValueField)?.GetValue(value));
 
                 if (attribute?.Value != null)
                 {
-                    numberToEnum.Add(index, value);
-                    enumToString.Add(value, attribute.Value);
-                    stringToEnum.Add(attribute.Value, value);
+                    numberToEnum.TryAdd(index, value);
+                    enumToString.TryAdd(value, attribute.Value);
+                    stringToEnum.TryAdd(attribute.Value, value);
                 }
                 else
                 {
                     var convertedName = namingPolicy != null
                         ? namingPolicy.ConvertName(value.ToString())
                         : value.ToString();
-                    numberToEnum.Add(index, value);
-                    enumToString.Add(value, convertedName);
-                    stringToEnum.Add(convertedName, value);
+                    numberToEnum.TryAdd(index, value);
+                    enumToString.TryAdd(value, convertedName);
+                    stringToEnum.TryAdd(convertedName, value);
                 }
             }
         }
 
         public override TEnum Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
         {
-            var type = reader.TokenType;
-
-            switch (type)
+            switch (reader.TokenType)
             {
                 case JsonTokenType.String:
+                {
+                    var stringValue = reader.GetString();
+
+                    if (stringValue != null)
                     {
-                        var stringValue = reader.GetString();
+                        var value = namingPolicy != null
+                            ? namingPolicy.ConvertName(stringValue)
+                            : stringValue;
 
-                        if (stringValue != null)
+                        if (stringToEnum.TryGetValue(value, out var enumValue))
                         {
-                            var value = namingPolicy != null
-                                ? namingPolicy.ConvertName(stringValue)
-                                : stringValue;
-
-                            if (stringToEnum.TryGetValue(value, out var enumValue))
-                            {
-                                return enumValue;
-                            }
+                            return enumValue;
                         }
-
-                        break;
                     }
+
+                    return default;
+                }
                 case JsonTokenType.Number:
-                    {
-                        var numValue = reader.GetInt32();
-                        numberToEnum.TryGetValue(numValue, out var enumValue);
-                        return enumValue;
-                    }
+                {
+                    var numValue = reader.GetInt32();
+                    numberToEnum.TryGetValue(numValue, out var enumValue);
+                    return enumValue;
+                }
+                default:
+                    return default;
             }
-
-            return default;
         }
 
         public override void Write(Utf8JsonWriter writer, TEnum value, JsonSerializerOptions options)

OpenAI-DotNet/OpenAI-DotNet.csproj

@@ -29,8 +29,10 @@ More context [on Roger Pincombe's blog](https://rogerpincombe.com/openai-dotnet-
     <AssemblyOriginatorKeyFile>OpenAI-DotNet.pfx</AssemblyOriginatorKeyFile>
     <IncludeSymbols>true</IncludeSymbols>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Version>8.5.1</Version>
+    <Version>8.5.3</Version>
     <PackageReleaseNotes>
+Version 8.5.3
+- Fix JsonStringEnumConverter for ChatRequests
 Version 8.5.1
 - Fix ChatRequest serialization for ReasoningEffort
 Version 8.5.0