from typing import TYPE_CHECKING from pydantic import Field from .base import Event, SenderInfo, PrivateSenderInfo from ..message import MessageChain from nonebot.typing import overrides class MessageEvent(Event): message_chain: MessageChain = Field(alias='messageChain') sender: SenderInfo @overrides(Event) def get_message(self) -> MessageChain: return self.message_chain @overrides(Event) def get_plaintext(self) -> str: return self.message_chain.__str__() @overrides(Event) def get_user_id(self) -> str: return str(self.sender.id) @overrides(Event) def get_session_id(self) -> str: return self.get_user_id() class GroupMessage(MessageEvent): pass class FriendMessage(MessageEvent): sender: PrivateSenderInfo class TempMessage(MessageEvent): pass