added RAG, Multiuser, TG bot

telegram-bot/bot/tg_util.py

@@ -0,0 +1,27 @@
+from __future__ import annotations
+
+from aiogram import Bot
+
+TG_MAX_LEN = 4096
+
+
+def split_telegram_message(text: str, limit: int = TG_MAX_LEN) -> list[str]:
+    if len(text) <= limit:
+        return [text]
+    chunks: list[str] = []
+    remaining = text
+    while remaining:
+        if len(remaining) <= limit:
+            chunks.append(remaining)
+            break
+        split_at = remaining.rfind("\n", 0, limit)
+        if split_at <= 0:
+            split_at = limit
+        chunks.append(remaining[:split_at])
+        remaining = remaining[split_at:].lstrip("\n")
+    return chunks
+
+
+async def send_text(bot: Bot, chat_id: int, text: str) -> None:
+    for chunk in split_telegram_message(text):
+        await bot.send_message(chat_id, chunk)