fix to handle new api result

pom.xml

@@ -118,6 +118,18 @@
             <version>2.9.0</version>
         </dependency>
 
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>2.10.1</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.squareup.retrofit2</groupId>
+            <artifactId>converter-gson</artifactId>
+            <version>2.9.0</version>
+        </dependency>
+
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>

src/main/java/com/github/plexpt/chatgpt/api/conversation/Author.java

@@ -0,0 +1,11 @@
+package com.github.plexpt.chatgpt.api.conversation;
+
+import lombok.Data;
+
+@Data
+public class Author {
+    public String role;
+    public Object name;
+    public Metadata metadata;
+
+}

src/main/java/com/github/plexpt/chatgpt/api/conversation/Message.java

@@ -11,6 +11,7 @@
 @Data
 public class Message {
     public String id;
+    public Author author;
     public String role;
     public Object user;
     public Object create_time;

src/test/java/com/github/chatgpt/OpenAIAuthTest.java

@@ -53,14 +53,14 @@ public void getConversation() {
         ArrayList<String> parts = new ArrayList<>();
         ArrayList<Message> messages = new ArrayList<>();
 
-        parts.add("Hi There");
+        parts.add("Generate a poem about yourself");
 
         Content content = Content.builder()
                 .content_type("text")
                 .parts(parts).build();
 
         Message message = Message.builder()
-                .id("71d419a8-ab0a-4f76-b17c-13edeea8c087")
+                .id(java.util.UUID.randomUUID().toString())
                 .role("user")
                 .content(content)
                 .build();
@@ -71,7 +71,7 @@ public void getConversation() {
                 .action("next")
                 .messages(messages)
                 .conversation_id(null)
-                .parent_message_id("55b6f907-1c3c-4111-9b15-df8ff71ab1ca")
+                .parent_message_id(java.util.UUID.randomUUID().toString())
                 .model("text-davinci-002-render-sha")
                 .build();