start

backend/app/services/telegram.py

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+"""Опциональная отправка сообщений в Telegram-бот."""
+from __future__ import annotations
+
+import httpx
+from loguru import logger
+
+
+def send_message(bot_token: str, chat_id: str, text: str) -> bool:
+    if not bot_token or not chat_id:
+        return False
+    url = f"https://api.telegram.org/bot{bot_token}/sendMessage"
+    try:
+        r = httpx.post(
+            url,
+            json={"chat_id": chat_id, "text": text, "parse_mode": "HTML", "disable_web_page_preview": True},
+            timeout=8.0,
+        )
+        if r.status_code != 200:
+            logger.warning("telegram send failed: {} {}", r.status_code, r.text[:200])
+            return False
+        return True
+    except Exception as exc:  # noqa: BLE001
+        logger.warning("telegram send error: {}", exc)
+        return False
+
+
+def test_credentials(bot_token: str, chat_id: str) -> tuple[bool, str]:
+    if not bot_token or not chat_id:
+        return False, "Не заданы bot_token или chat_id"
+    ok = send_message(bot_token, chat_id, "<b>ROSzetta</b>\nТестовое сообщение \u2705")
+    return (ok, "OK" if ok else "Не удалось отправить (см. логи)")