[ Edit, Fix ] fixes for the chat completion new changes

example/lib/chat_completion_example.dart

@@ -22,9 +22,9 @@ void main() async {
       ),
 
       //! image url contents are allowed only for models with image support
-      OpenAIChatCompletionChoiceMessageContentItemModel.imageUrl(
-        "https://placehold.co/600x400",
-      ),
+      // OpenAIChatCompletionChoiceMessageContentItemModel.imageUrl(
+      //   "https://placehold.co/600x400",
+      // ),
     ],
     role: OpenAIChatMessageRole.user,
   );
@@ -41,8 +41,11 @@ void main() async {
     messages: requestMessages,
     temperature: 0.2,
     maxTokens: 500,
-    toolChoice: "auto",
-    tools: [/* tools if you have any */],
+
+    // uncomment and set your own properties if you want to use tool choices feature..
+
+    // toolChoice: "auto",
+    // tools: [],
   );
 
   print(chatCompletion.choices.first.message); //

example/lib/chat_stream_example_with_function_call.dart

@@ -7,8 +7,6 @@ import 'env/env.dart';
 void main() async {
   OpenAI.apiKey = Env.apiKey;
 
-  final ourMockMethodName = "fastestCarInTheWorldInTheYear";
-
   final chatStream = OpenAI.instance.chat.createStream(
     model: "gpt-3.5-turbo",
     messages: [
@@ -25,11 +23,11 @@ void main() async {
       OpenAIToolModel(
         type: "function",
         function: OpenAIFunctionModel.withParameters(
-          name: ourMockMethodName,
+          name: "fastestCarInTheWorldInTheYear",
           parameters: [
             OpenAIFunctionProperty.integer(
               name: "year",
-              description: "The year to get the fastest car in",
+              description: "The year to get the fastest car in the world for.",
             ),
           ],
         ),
@@ -52,7 +50,7 @@ void main() async {
       stringBuf.write(args);
     }
   }, onDone: () {
-    if (functionNameMapper.containsKey(ourMockMethodName)) {
+    if (functionNameMapper.containsKey("fastestCarInTheWorldInTheYear")) {
       final fullResponse = stringBuf.toString();
 
       print(fullResponse);

example/lib/create_audio_speech.dart

@@ -9,9 +9,9 @@ void main() async {
   // The speech request.
   File speechFile = await OpenAI.instance.audio.createSpeech(
     model: "tts-1",
-    input: "Say my name is ",
+    input: "it is what it is.",
     voice: "nova",
-    responseFormat: OpenAIAudioSpeechResponseFormat.mp3,
+    responseFormat: OpenAIAudioSpeechResponseFormat.opus,
     outputDirectory: await Directory("speechOutput").create(),
     outputFileName: DateTime.now().microsecondsSinceEpoch.toString(),
   );

example/lib/create_audio_transcription.dart

@@ -17,7 +17,7 @@ Future<void> main() async {
       'https://www.cbvoiceovers.com/wp-content/uploads/2017/05/Commercial-showreel.mp3',
     ),
     model: "whisper-1",
-    responseFormat: OpenAIAudioResponseFormat.srt,
+    responseFormat: OpenAIAudioResponseFormat.text,
   );
 
   // print the transcription.

lib/src/core/models/chat/sub_models/choices/sub_models/sub_models/content.dart

@@ -46,7 +46,7 @@ class OpenAIChatCompletionChoiceMessageContentItemModel {
     String imageUrl,
   ) {
     return OpenAIChatCompletionChoiceMessageContentItemModel._(
-      type: 'image',
+      type: 'image_url',
       imageUrl: imageUrl,
     );
   }

lib/src/core/networking/client.dart

@@ -255,8 +255,10 @@ abstract class OpenAINetworkingClient {
 
       OpenAILogger.requestFinishedSuccessfully();
 
+      final fileTypeHeader = "content-type";
+
       final fileExtensionFromBodyResponseFormat =
-          response.headers["response_format"] ?? "mp3";
+          response.headers[fileTypeHeader]?.split("/")?.last ?? "mp3";
 
       final fileName =
           outputFileName + "." + fileExtensionFromBodyResponseFormat;
@@ -277,6 +279,7 @@ abstract class OpenAINetworkingClient {
         response.bodyBytes,
         mode: FileMode.write,
       );
+
       OpenAILogger.fileContentWrittenSuccessfully(fileName);
 
       return onFileResponse(file);

lib/src/instance/chat/chat.dart

@@ -91,7 +91,8 @@ interface class OpenAIChat implements OpenAIChatBase {
         "messages": messages.map((message) => message.toMap()).toList(),
         if (tools != null)
           "tools": tools.map((tool) => tool.toMap()).toList(growable: false),
-        if (toolChoice != null) "tool_choice": toolChoice.value,
+        if (toolChoice != null)
+          "tool_choice": toolChoice is String ? toolChoice : toolChoice.value,
         if (temperature != null) "temperature": temperature,
         if (topP != null) "top_p": topP,
         if (n != null) "n": n,