refactor: project architecture refactor, container splitting

backend/bot/utils/callback_answer.py

@@ -0,0 +1,51 @@
+import logging
+from typing import Any
+
+from aiogram.exceptions import TelegramAPIError, TelegramBadRequest
+from aiogram.types import CallbackQuery
+
+_EXPIRED_CALLBACK_MARKERS = (
+    "query is too old",
+    "response timeout expired",
+    "query id is invalid",
+)
+
+
+def is_expired_callback_answer_error(error: BaseException) -> bool:
+    if not isinstance(error, TelegramBadRequest):
+        return False
+    message = str(error).lower()
+    return any(marker in message for marker in _EXPIRED_CALLBACK_MARKERS)
+
+
+async def safe_answer_callback(
+    callback: CallbackQuery,
+    *args: Any,
+    **kwargs: Any,
+) -> bool:
+    try:
+        await callback.answer(*args, **kwargs)
+        return True
+    except TelegramBadRequest as error:
+        user_id = getattr(getattr(callback, "from_user", None), "id", "unknown")
+        if is_expired_callback_answer_error(error):
+            logging.info(
+                "Ignored expired callback answer for user %s: %s",
+                user_id,
+                error,
+            )
+            return False
+        logging.warning(
+            "Failed to answer callback query for user %s: %s",
+            user_id,
+            error,
+        )
+        return False
+    except TelegramAPIError as error:
+        user_id = getattr(getattr(callback, "from_user", None), "id", "unknown")
+        logging.warning(
+            "Telegram API error while answering callback query for user %s: %s",
+            user_id,
+            error,
+        )
+        return False