add support for group topics tg notifications

api/bot.py

@@ -12,6 +12,8 @@ telegram_loop = None
 
 BOT_TOKEN = config("TG_BOT_TOKEN", default="killme", cast=str)
 CHAT_ID = config("TG_CHAT_ID", default="drake", cast=str)
+# Optional forum topic to post into. If empty, messages go to the group's General topic.
+TOPIC_ID = config("TG_TOPIC_ID", default="", cast=str)
 
 if not BOT_TOKEN or not isinstance(BOT_TOKEN, str):
     raise ValueError(
@@ -57,10 +59,14 @@ else:
 
 async def send_telegram_alert(markdown_message: str):
     logger.info("[TELEGRAM] Preparing to send alert...")
+    kwargs = {}
+    if TOPIC_ID:
+        kwargs["message_thread_id"] = int(TOPIC_ID)
     await bot.send_message(
         chat_id=str(CHAT_ID),
         text=markdown_message,
         parse_mode=ParseMode.MARKDOWN_V2,
+        **kwargs,
     )