app/src/utils/message.py

import nonebot
from nonebot.adapters.onebot import v11, v12
from typing_extensions import Any

from .tools import de_escape
from .typing import T_Bot, T_MessageEvent


async def send_markdown(markdown: str, bot: T_Bot, *,  message_type: str=None, session_id: str | int=None, event: T_MessageEvent=None) -> dict[str, Any]:
    formatted_md = de_escape(markdown).replace("\n", r"\n").replace("\"", r'\\\"')
    if event is not None and message_type is None:
        message_type = event.message_type
        session_id = event.user_id if event.message_type == "private" else event.group_id
    try:
        forward_data = await bot.call_api(
            api="send_private_forward_msg",
            user_id=bot.self_id,
            messages=[
                    v11.MessageSegment(
                        type="node",
                        data={
                                "name"   : "Liteyuki.OneBot",
                                "uin"    : bot.self_id,
                                "content": [
                                        {
                                                "type": "markdown",
                                                "data": {
                                                        "content": '{"content":"%s"}' % formatted_md
                                                }
                                        }
                                ]
                        },
                    )
            ]
        )
        data = await bot.send_msg(
            user_id=session_id,
            group_id=session_id,
            message_type=message_type,
            message=[
                    v11.MessageSegment(
                        type="longmsg",
                        data={
                                "id": forward_data["forward_id"]
                        }
                    ),
            ],

        )
    except Exception as e:
        nonebot.logger.warning("send_markdown error, send as plane text: %s" % e)
        if isinstance(bot, v11.Bot):
            data = await bot.send_msg(
                message_type=message_type,
                message=markdown,
                user_id=int(session_id),
                group_id=int(session_id)
            )
        elif isinstance(bot, v12.Bot):
            data = await bot.send_message(
                detail_type=message_type,
                message=v12.Message(
                    v12.MessageSegment.text(
                        text=markdown
                    )
                ),
                user_id=str(session_id),
                group_id=str(session_id)
            )
        else:
            nonebot.logger.error("send_markdown: bot type not supported")
            data = {}
    return data