fix: should split old response (#97)

Old conversation can be loaded:
<img width="1020" alt="image"
src="https://github.com/landing-ai/vision-agent-ui/assets/132986242/ef7df1e2-1e70-4d18-ba8d-e2574538f92a">

components/chat/ChatMessage.tsx

@@ -10,7 +10,6 @@ import {
   IconUser,
   IconGlowingDot,
 } from '@/components/ui/Icons';
-import { MessageUI } from '@/lib/types';
 import { WIPChunkBodyGroup, formatStreamLogs } from '@/lib/utils/content';
 import {
   Table,
@@ -29,6 +28,7 @@ import { selectedMessageId } from '@/state/chat';
 import { Message } from '@prisma/client';
 import { Separator } from '../ui/Separator';
 import { cn } from '@/lib/utils';
+import toast from 'react-hot-toast';
 
 export interface ChatMessageProps {
   message: Message;
@@ -36,6 +36,30 @@ export interface ChatMessageProps {
   wipAssistantMessage?: PrismaJson.MessageBody[];
 }
 
+const getParsedStreamLogs = (content: string) => {
+  const streamLogs = content.split('\n').filter(log => !!log);
+
+  const buffer = streamLogs.pop();
+  const parsedStreamLogs: WIPChunkBodyGroup[] = [];
+  try {
+    streamLogs.forEach(streamLog =>
+      parsedStreamLogs.push(JSON.parse(streamLog)),
+    );
+  } catch {
+    toast.error('Error parsing stream logs');
+  }
+
+  if (buffer) {
+    try {
+      const lastLog = JSON.parse(buffer);
+      parsedStreamLogs.push(lastLog);
+    } catch {
+      console.log(buffer);
+    }
+  }
+  return parsedStreamLogs;
+};
+
 export const ChatMessage: React.FC<ChatMessageProps> = ({
   message,
   wipAssistantMessage,
@@ -48,9 +72,9 @@ export const ChatMessage: React.FC<ChatMessageProps> = ({
       formatStreamLogs(
         responseBody ??
           wipAssistantMessage ??
-          (response ? JSON.parse(response) : ''),
+          (response ? getParsedStreamLogs(response) : []),
       ),
-    [response, wipAssistantMessage, result, responseBody],
+    [response, wipAssistantMessage, responseBody],
   );
   // prioritize the result from the message over the WIP message
   const codeResult = result?.payload ?? finalResult;