Send message if the original is missing

server/reflector/views/transcripts.py

@@ -17,6 +17,7 @@ from reflector.processors.types import Transcript as ProcessorTranscript
 from reflector.processors.types import Word
 from reflector.settings import settings
 from reflector.zulip import (
+    InvalidMessageError,
     get_zulip_message,
     send_message_to_zulip,
     update_zulip_message,
@@ -346,9 +347,16 @@ async def transcript_post_to_zulip(
         raise HTTPException(status_code=404, detail="Transcript not found")
 
     content = get_zulip_message(transcript, include_topics)
+
+    message_updated = False
     if transcript.zulip_message_id:
-        update_zulip_message(transcript.zulip_message_id, stream, topic, content)
+        try:
-    else:
+            update_zulip_message(transcript.zulip_message_id, stream, topic, content)
+            message_updated = True
+        except InvalidMessageError:
+            pass
+
+    if not message_updated:
         response = send_message_to_zulip(stream, topic, content)
         await transcripts_controller.update(
             transcript, {"zulip_message_id": response["id"]}

server/reflector/zulip.py

@@ -6,6 +6,10 @@ from reflector.db.transcripts import Transcript
 from reflector.settings import settings
 
 
+class InvalidMessageError(Exception):
+    pass
+
+
 def send_message_to_zulip(stream: str, topic: str, content: str):
     try:
         response = requests.post(
@@ -32,8 +36,6 @@ def update_zulip_message(message_id: int, stream: str, topic: str, content: str)
         response = requests.patch(
             f"https://{settings.ZULIP_REALM}/api/v1/messages/{message_id}",
             data={
-                "type": "stream",
-                "to": stream,
                 "topic": topic,
                 "content": content,
             },
@@ -41,6 +43,12 @@ def update_zulip_message(message_id: int, stream: str, topic: str, content: str)
             headers={"Content-Type": "application/x-www-form-urlencoded"},
         )
 
+        if (
+            response.status_code == 400
+            and response.json()["msg"] == "Invalid message(s)"
+        ):
+            raise InvalidMessageError(f"There is no message with id: {message_id}")
+
         response.raise_for_status()
 
         return response.json()