v1.0.13 openai chat completion

lib/service/openai_service.dart

@@ -2,10 +2,10 @@ import 'dart:async';
 import 'dart:convert';
 
 import 'package:workouttest_util/model/openai.dart';
+import 'package:workouttest_util/model/openai_chat.dart';
 import 'package:workouttest_util/service/api.dart';
 import 'package:workouttest_util/util/logging.dart';
 
-
 class OpenAIApi with Logging {
   final APIClient _client = APIClient();
 
@@ -13,12 +13,12 @@ class OpenAIApi with Logging {
     String? response;
     try {
       final body = await _client.post("openai/completion", question);
-      response = body;      
+      response = body;
     } on TimeoutException catch (_) {
       log("Timeout from OpenAI");
     } on Exception catch (e) {
       log(e.toString());
-    } 
+    }
     return response ?? "";
   }
 
@@ -31,7 +31,20 @@ class OpenAIApi with Logging {
       log("Timeout from OpenAI");
     } on Exception catch (e) {
       log(e.toString());
-    } 
+    }
     return response ?? "";
   }
-}
+
+  Future<String> getOpenAIChatCompletion(OpenAIChat openai) async {
+    String? response;
+    try {
+      String body = const JsonEncoder().convert(openai.toJson());
+      response = await _client.post("openai/chat_completion", body);
+    } on TimeoutException catch (_) {
+      log("Timeout from OpenAI");
+    } on Exception catch (e) {
+      log(e.toString());
+    }
+    return response ?? "";
+  }
+}