mirror of
https://github.com/idrainformatica/PecFlow.git
synced 2026-06-16 12:45:42 +02:00
70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
"""
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Telegram Bot API – invio messaggi via sendMessage (worker).
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Copia del sender backend: i due container sono separati e non
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possono condividere package, quindi il codice e' duplicato.
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"""
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import httpx
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TELEGRAM_API_BASE = "https://api.telegram.org"
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DEFAULT_TIMEOUT = 10.0
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class TelegramError(Exception):
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def __init__(self, message: str, http_status: int | None = None, api_code: int | None = None):
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super().__init__(message)
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self.http_status = http_status
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self.api_code = api_code
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async def send_message(
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bot_token: str,
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chat_id: str,
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text: str,
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parse_mode: str = "HTML",
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disable_web_page_preview: bool = True,
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timeout: float = DEFAULT_TIMEOUT,
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) -> dict:
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"""
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Invia un messaggio a un canale/gruppo/utente Telegram.
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Returns:
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dict con il risultato della API Telegram (result.message_id, ecc.)
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Raises:
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TelegramError: in caso di errore HTTP o risposta API non-ok
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"""
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url = f"{TELEGRAM_API_BASE}/bot{bot_token}/sendMessage"
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payload: dict = {"chat_id": chat_id, "text": text}
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if parse_mode:
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payload["parse_mode"] = parse_mode
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if disable_web_page_preview:
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payload["link_preview_options"] = {"is_disabled": True}
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async with httpx.AsyncClient(timeout=timeout) as client:
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try:
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response = await client.post(url, json=payload)
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except httpx.TimeoutException as exc:
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raise TelegramError(f"Timeout Telegram ({timeout}s)") from exc
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except httpx.RequestError as exc:
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raise TelegramError(f"Errore di rete Telegram: {exc}") from exc
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if response.status_code != 200:
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raise TelegramError(
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f"Telegram API HTTP {response.status_code}: {response.text[:200]}",
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http_status=response.status_code,
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)
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data = response.json()
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if not data.get("ok"):
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api_code = data.get("error_code")
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description = data.get("description", "Errore sconosciuto")
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raise TelegramError(
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f"Telegram API error {api_code}: {description}",
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http_status=response.status_code,
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api_code=api_code,
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)
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return data.get("result", {})
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