surfaces/adapter/telegram/converter.py

51 lines
1.7 KiB
Python

from __future__ import annotations
from aiogram.types import Message
from core.protocol import Attachment, IncomingMessage, OutgoingEvent, OutgoingMessage, OutgoingUI
def from_message(message: Message) -> IncomingMessage | None:
"""Convert aiogram Message to IncomingMessage. Returns None for General topic."""
thread_id = message.message_thread_id
if thread_id is None:
return None
return IncomingMessage(
user_id=str(message.from_user.id),
chat_id=str(thread_id),
text=message.text or message.caption or "",
attachments=_extract_attachments(message),
platform="telegram",
)
def _extract_attachments(message: Message) -> list[Attachment]:
attachments: list[Attachment] = []
if message.photo:
file = message.photo[-1]
attachments.append(Attachment(
type="image",
url=f"tg://file/{file.file_id}",
mime_type="image/jpeg",
))
if message.document:
attachments.append(Attachment(
type="document",
url=f"tg://file/{message.document.file_id}",
mime_type=message.document.mime_type or "application/octet-stream",
filename=message.document.file_name,
))
if message.voice:
attachments.append(Attachment(
type="audio",
url=f"tg://file/{message.voice.file_id}",
mime_type="audio/ogg",
))
return attachments
def format_outgoing(event: OutgoingEvent) -> str:
"""Extract text from an outgoing event for sending to Telegram."""
if isinstance(event, (OutgoingMessage, OutgoingUI)):
return event.text
return str(event)