import json import websockets as Server import uuid from maim_message import ( UserInfo, GroupInfo, Seg, BaseMessageInfo, MessageBase, ) from typing import Dict, Any, Tuple from . import CommandType from .config import global_config from .response_pool import get_response from .logger import logger from .utils import get_image_format, convert_image_to_gif class SendHandler: def __init__(self): self.server_connection: Server.ServerConnection = None async def handle_message(self, raw_message_base_dict: dict) -> None: raw_message_base: MessageBase = MessageBase.from_dict(raw_message_base_dict) message_segment: Seg = raw_message_base.message_segment logger.info("接收到来自MaiBot的消息，处理中") if message_segment.type == "command": return await self.send_command(raw_message_base) else: return await self.send_normal_message(raw_message_base) async def send_normal_message(self, raw_message_base: MessageBase) -> None: """ 处理普通消息发送 """ logger.info("处理普通信息中") message_info: BaseMessageInfo = raw_message_base.message_info message_segment: Seg = raw_message_base.message_segment group_info: GroupInfo = message_info.group_info user_info: UserInfo = message_info.user_info target_id: int = None action: str = None id_name: str = None processed_message: list = [] try: processed_message = await self.handle_seg_recursive(message_segment) except Exception as e: logger.error(f"处理消息时发生错误: {e}") return if not processed_message: logger.critical("现在暂时不支持解析此回复！") return None if group_info and user_info: logger.debug("发送群聊消息") target_id = group_info.group_id action = "send_group_msg" id_name = "group_id" elif user_info: logger.debug("发送私聊消息") target_id = user_info.user_id action = "send_private_msg" id_name = "user_id" else: logger.error("无法识别的消息类型") return logger.info("尝试发送到napcat") response = await self.send_message_to_napcat( action, { id_name: target_id, "message": processed_message, }, ) if response.get("status") == "ok": logger.info("消息发送成功") else: logger.warning(f"消息发送失败，napcat返回：{str(response)}") async def send_command(self, raw_message_base: MessageBase) -> None: """ 处理命令类 """ logger.info("处理命令中") message_info: BaseMessageInfo = raw_message_base.message_info message_segment: Seg = raw_message_base.message_segment group_info: GroupInfo = message_info.group_info seg_data: Dict[str, Any] = message_segment.data command_name: str = seg_data.get("name") try: match command_name: case CommandType.GROUP_BAN.name: command, args_dict = self.handle_ban_command(seg_data.get("args"), group_info) case CommandType.GROUP_WHOLE_BAN.name: command, args_dict = self.handle_whole_ban_command(seg_data.get("args"), group_info) case CommandType.GROUP_KICK.name: command, args_dict = self.handle_kick_command(seg_data.get("args"), group_info) case _: logger.error(f"未知命令: {command_name}") return except Exception as e: logger.error(f"处理命令时发生错误: {e}") return None if not command or not args_dict: logger.error("命令或参数缺失") return None response = await self.send_message_to_napcat(command, args_dict) if response.get("status") == "ok": logger.info(f"命令 {command_name} 执行成功") else: logger.warning(f"命令 {command_name} 执行失败，napcat返回：{str(response)}") def get_level(self, seg_data: Seg) -> int: if seg_data.type == "seglist": return 1 + max(self.get_level(seg) for seg in seg_data.data) else: return 1 async def handle_seg_recursive(self, seg_data: Seg) -> list: payload: list = [] if seg_data.type == "seglist": # level = self.get_level(seg_data) # 给以后可能的多层嵌套做准备，此处不使用 if not seg_data.data: return [] for seg in seg_data.data: payload = self.process_message_by_type(seg, payload) else: payload = self.process_message_by_type(seg_data, payload) return payload def process_message_by_type(self, seg: Seg, payload: list) -> list: # sourcery skip: reintroduce-else, swap-if-else-branches, use-named-expression new_payload = payload if seg.type == "reply": target_id = seg.data if target_id == "notice": return payload new_payload = self.build_payload(payload, self.handle_reply_message(target_id), True) elif seg.type == "text": text = seg.data if not text: return payload new_payload = self.build_payload(payload, self.handle_text_message(text), False) elif seg.type == "face": logger.warning("MaiBot 发送了qq原生表情，暂时不支持") elif seg.type == "image": image = seg.data new_payload = self.build_payload(payload, self.handle_image_message(image), False) elif seg.type == "emoji": emoji = seg.data new_payload = self.build_payload(payload, self.handle_emoji_message(emoji), False) elif seg.type == "voice": voice = seg.data new_payload = self.build_payload(payload, self.handle_voice_message(voice), False) return new_payload def build_payload(self, payload: list, addon: dict, is_reply: bool = False) -> list: # sourcery skip: for-append-to-extend, merge-list-append, simplify-generator """构建发送的消息体""" if is_reply: temp_list = [] temp_list.append(addon) for i in payload: if i.get("type") == "reply": logger.debug("检测到多个回复，使用最新的回复") continue temp_list.append(i) return temp_list else: payload.append(addon) return payload def handle_reply_message(self, id: str) -> dict: """处理回复消息""" return {"type": "reply", "data": {"id": id}} def handle_text_message(self, message: str) -> dict: """处理文本消息""" return {"type": "text", "data": {"text": message}} def handle_image_message(self, encoded_image: str) -> dict: """处理图片消息""" return { "type": "image", "data": { "file": f"base64://{encoded_image}", "subtype": 0, }, } # base64 编码的图片 def handle_emoji_message(self, encoded_emoji: str) -> dict: """处理表情消息""" encoded_image = encoded_emoji image_format = get_image_format(encoded_emoji) if image_format != "gif": encoded_image = convert_image_to_gif(encoded_emoji) return { "type": "image", "data": { "file": f"base64://{encoded_image}", "subtype": 1, "summary": "[动画表情]", }, } def handle_voice_message(self, encoded_voice: str) -> dict: """处理语音消息""" if not global_config.use_tts: logger.warning("未启用语音消息处理") return {} if not encoded_voice: return {} return { "type": "record", "data": {"file": f"base64://{encoded_voice}"}, } def handle_ban_command(self, args: Dict[str, Any], group_info: GroupInfo) -> Tuple[str, Dict[str, Any]]: """处理封禁命令 Args: args (Dict[str, Any]): 参数字典 group_info (GroupInfo): 群聊信息（对应目标群聊） Returns: Tuple[CommandType, Dict[str, Any]] """ duration: int = int(args["duration"]) user_id: int = int(args["qq_id"]) group_id: int = int(group_info.group_id) if duration <= 0: raise ValueError("封禁时间必须大于0") if not user_id or not group_id: raise ValueError("封禁命令缺少必要参数") if duration > 2592000: raise ValueError("封禁时间不能超过30天") return ( CommandType.GROUP_BAN.value, { "group_id": group_id, "user_id": user_id, "duration": duration, }, ) def handle_whole_ban_command(self, args: Dict[str, Any], group_info: GroupInfo) -> Tuple[str, Dict[str, Any]]: """处理全体禁言命令 Args: args (Dict[str, Any]): 参数字典 group_info (GroupInfo): 群聊信息（对应目标群聊） Returns: Tuple[CommandType, Dict[str, Any]] """ enable = args["enable"] assert isinstance(enable, bool), "enable参数必须是布尔值" group_id: int = int(group_info.group_id) if group_id <= 0: raise ValueError("群组ID无效") return ( CommandType.GROUP_WHOLE_BAN.value, { "group_id": group_id, "enable": enable, }, ) def handle_kick_command(self, args: Dict[str, Any], group_info: GroupInfo) -> Tuple[str, Dict[str, Any]]: """处理群成员踢出命令 Args: args (Dict[str, Any]): 参数字典 group_info (GroupInfo): 群聊信息（对应目标群聊） Returns: Tuple[CommandType, Dict[str, Any]] """ user_id: int = int(args["qq_id"]) group_id: int = int(group_info.group_id) if group_id <= 0: raise ValueError("群组ID无效") if user_id <= 0: raise ValueError("用户ID无效") return ( CommandType.GROUP_KICK.value, { "group_id": group_id, "user_id": user_id, "reject_add_request": False, # 不拒绝加群请求 }, ) async def send_message_to_napcat(self, action: str, params: dict) -> dict: request_uuid = str(uuid.uuid4()) payload = json.dumps({"action": action, "params": params, "echo": request_uuid}) await self.server_connection.send(payload) try: response = await get_response(request_uuid) except TimeoutError: logger.error("发送消息超时，未收到响应") return {"status": "error", "message": "timeout"} except Exception as e: logger.error(f"发送消息失败: {e}") return {"status": "error", "message": str(e)} return response send_handler = SendHandler()