Disable history; add text in case no results found

app.py

@@ -26,7 +26,8 @@ async def start_chat():
 
 @cl.on_message
 async def on_message(message: str, message_id: str):
-    history = cl.user_session.get("history")
+    # history = cl.user_session.get("history")
+    history = []
 
     # update history
     history.append({"role": "user", "content": message})
@@ -58,7 +59,7 @@ async def on_message(message: str, message_id: str):
 
     # If the question is gibberish, stop the querying and make the user rephrase question
     if query_msg.content == "Please rephrase your question.":
-        response_text = await chain.text("Please rephrase your question.", final=True)
+        response_text = await chain.text("Please rephrase your query.", final=True)
         await response_text.update()
     else:
 
@@ -134,6 +135,8 @@ async def on_message(message: str, message_id: str):
         obj = tomllib.loads(toml_string)
         final_ids = [id for id, val in obj['answer'].items() if val]
 
+        if len(final_ids) == 0:
+            await chain.text("Sorry, no restaurants found. Please try another query.", final=True)
 
         for i, id in enumerate(final_ids[:3]):
             id = str(id)
@@ -157,6 +160,8 @@ async def on_message(message: str, message_id: str):
             ]
             await msg.update()
 
+        
+
         # TODO what should the history include? ids only? or also descriptions?
         # history.append({"role": "assistant", "content": response.content})
     # await cl.Text(name="rephrase", content=response_text, displlay="inline").send()