surfaces/adapter/telegram/converter.py

66 lines
2.1 KiB
Python

# adapter/telegram/converter.py
from __future__ import annotations
from aiogram.types import Message
from adapter.telegram import db
from core.protocol import Attachment, IncomingMessage, OutgoingEvent, OutgoingMessage, OutgoingUI
def from_message(message: Message, chat_id: str) -> IncomingMessage:
return IncomingMessage(
user_id=str(message.from_user.id),
chat_id=chat_id,
text=message.text or message.caption or "",
attachments=_extract_attachments(message),
platform="telegram",
)
def is_forum_message(message: Message) -> bool:
return getattr(message, "message_thread_id", None) is not None
def resolve_forum_chat_id(message: Message, tg_user_id: int) -> str | None:
thread_id = getattr(message, "message_thread_id", None)
if thread_id is None:
return None
chat = db.get_chat_by_thread(tg_user_id, thread_id)
if not chat:
return None
return chat["chat_id"]
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(chat_name: str, event: OutgoingEvent, *, prefix: bool = True) -> str:
rendered_prefix = f"[{chat_name}] " if prefix else ""
if isinstance(event, OutgoingMessage):
return rendered_prefix + event.text
if isinstance(event, OutgoingUI):
return rendered_prefix + event.text
return rendered_prefix + str(event)