import asyncio import hashlib import time import copy from typing import Dict, Optional, TYPE_CHECKING from rich.traceback import install from maim_message import GroupInfo, UserInfo from src.common.logger import get_logger from sqlalchemy import select from sqlalchemy.dialects.sqlite import insert as sqlite_insert from sqlalchemy.dialects.mysql import insert as mysql_insert from src.common.database.sqlalchemy_models import ChatStreams # 新增导入 from src.common.database.sqlalchemy_database_api import get_db_session from src.config.config import global_config # 新增导入 # 避免循环导入，使用TYPE_CHECKING进行类型提示 if TYPE_CHECKING: from .message import MessageRecv install(extra_lines=3) logger = get_logger("chat_stream") class ChatMessageContext: """聊天消息上下文，存储消息的上下文信息""" def __init__(self, message: "MessageRecv"): self.message = message def get_template_name(self) -> Optional[str]: """获取模板名称""" if self.message.message_info.template_info and not self.message.message_info.template_info.template_default: return self.message.message_info.template_info.template_name # type: ignore return None def get_last_message(self) -> "MessageRecv": """获取最后一条消息""" return self.message def check_types(self, types: list) -> bool: # sourcery skip: invert-any-all, use-any, use-next """检查消息类型""" if not self.message.message_info.format_info.accept_format: # type: ignore return False for t in types: if t not in self.message.message_info.format_info.accept_format: # type: ignore return False return True def get_priority_mode(self) -> str: """获取优先级模式""" return self.message.priority_mode def get_priority_info(self) -> Optional[dict]: """获取优先级信息""" if hasattr(self.message, "priority_info") and self.message.priority_info: return self.message.priority_info return None class ChatStream: """聊天流对象，存储一个完整的聊天上下文""" def __init__( self, stream_id: str, platform: str, user_info: UserInfo, group_info: Optional[GroupInfo] = None, data: Optional[dict] = None, ): self.stream_id = stream_id self.platform = platform self.user_info = user_info self.group_info = group_info self.create_time = data.get("create_time", time.time()) if data else time.time() self.last_active_time = data.get("last_active_time", self.create_time) if data else self.create_time self.energy_value = data.get("energy_value", 5.0) if data else 5.0 self.sleep_pressure = data.get("sleep_pressure", 0.0) if data else 0.0 self.saved = False self.context: ChatMessageContext = None # type: ignore # 用于存储该聊天的上下文信息 self.focus_energy = 1 self.no_reply_consecutive = 0 self.breaking_accumulated_interest = 0.0 def to_dict(self) -> dict: """转换为字典格式""" return { "stream_id": self.stream_id, "platform": self.platform, "user_info": self.user_info.to_dict() if self.user_info else None, "group_info": self.group_info.to_dict() if self.group_info else None, "create_time": self.create_time, "last_active_time": self.last_active_time, "energy_value": self.energy_value, "sleep_pressure": self.sleep_pressure, "breaking_accumulated_interest": self.breaking_accumulated_interest, } @classmethod def from_dict(cls, data: dict) -> "ChatStream": """从字典创建实例""" user_info = UserInfo.from_dict(data.get("user_info", {})) if data.get("user_info") else None group_info = GroupInfo.from_dict(data.get("group_info", {})) if data.get("group_info") else None return cls( stream_id=data["stream_id"], platform=data["platform"], user_info=user_info, # type: ignore group_info=group_info, data=data, ) def update_active_time(self): """更新最后活跃时间""" self.last_active_time = time.time() self.saved = False def set_context(self, message: "MessageRecv"): """设置聊天消息上下文""" self.context = ChatMessageContext(message) class ChatManager: """聊天管理器，管理所有聊天流""" _instance = None _initialized = False def __new__(cls): if cls._instance is None: cls._instance = super().__new__(cls) return cls._instance def __init__(self): if not self._initialized: self.streams: Dict[str, ChatStream] = {} # stream_id -> ChatStream self.last_messages: Dict[str, "MessageRecv"] = {} # stream_id -> last_message # try: # with get_db_session() as session: # db.connect(reuse_if_open=True) # # 确保 ChatStreams 表存在 # session.execute(text("CREATE TABLE IF NOT EXISTS chat_streams (stream_id TEXT PRIMARY KEY, platform TEXT, create_time REAL, last_active_time REAL, user_platform TEXT, user_id TEXT, user_nickname TEXT, user_cardname TEXT, group_platform TEXT, group_id TEXT, group_name TEXT)")) # session.commit() # except Exception as e: # logger.error(f"数据库连接或 ChatStreams 表创建失败: {e}") self._initialized = True # 在事件循环中启动初始化 # asyncio.create_task(self._initialize()) # # 启动自动保存任务 # asyncio.create_task(self._auto_save_task()) async def _initialize(self): """异步初始化""" try: await self.load_all_streams() logger.info(f"聊天管理器已启动，已加载 {len(self.streams)} 个聊天流") except Exception as e: logger.error(f"聊天管理器启动失败: {str(e)}") async def _auto_save_task(self): """定期自动保存所有聊天流""" while True: await asyncio.sleep(300) # 每5分钟保存一次 try: await self._save_all_streams() logger.info("聊天流自动保存完成") except Exception as e: logger.error(f"聊天流自动保存失败: {str(e)}") def register_message(self, message: "MessageRecv"): """注册消息到聊天流""" stream_id = self._generate_stream_id( message.message_info.platform, # type: ignore message.message_info.user_info, message.message_info.group_info, ) self.last_messages[stream_id] = message # logger.debug(f"注册消息到聊天流: {stream_id}") @staticmethod def _generate_stream_id( platform: str, user_info: Optional[UserInfo], group_info: Optional[GroupInfo] = None ) -> str: """生成聊天流唯一ID""" if not user_info and not group_info: raise ValueError("用户信息或群组信息必须提供") if group_info: # 组合关键信息 components = [platform, str(group_info.group_id)] else: components = [platform, str(user_info.user_id), "private"] # type: ignore # 使用MD5生成唯一ID key = "_".join(components) return hashlib.md5(key.encode()).hexdigest() def get_stream_id(self, platform: str, id: str, is_group: bool = True) -> str: """获取聊天流ID""" components = [platform, id] if is_group else [platform, id, "private"] key = "_".join(components) return hashlib.md5(key.encode()).hexdigest() async def get_or_create_stream( self, platform: str, user_info: UserInfo, group_info: Optional[GroupInfo] = None ) -> ChatStream: """获取或创建聊天流 Args: platform: 平台标识 user_info: 用户信息 group_info: 群组信息（可选） Returns: ChatStream: 聊天流对象 """ # 生成stream_id try: stream_id = self._generate_stream_id(platform, user_info, group_info) # 检查内存中是否存在 if stream_id in self.streams: stream = self.streams[stream_id] # 更新用户信息和群组信息 stream.update_active_time() stream = copy.deepcopy(stream) # 返回副本以避免外部修改影响缓存 if user_info.platform and user_info.user_id: stream.user_info = user_info if group_info: stream.group_info = group_info from .message import MessageRecv # 延迟导入，避免循环引用 if stream_id in self.last_messages and isinstance(self.last_messages[stream_id], MessageRecv): stream.set_context(self.last_messages[stream_id]) else: logger.error(f"聊天流 {stream_id} 不在最后消息列表中，可能是新创建的") return stream # 检查数据库中是否存在 def _db_find_stream_sync(s_id: str): with get_db_session() as session: return session.execute(select(ChatStreams).where(ChatStreams.stream_id == s_id)).scalar() model_instance = await asyncio.to_thread(_db_find_stream_sync, stream_id) if model_instance: # 从 Peewee 模型转换回 ChatStream.from_dict 期望的格式 user_info_data = { "platform": model_instance.user_platform, "user_id": model_instance.user_id, "user_nickname": model_instance.user_nickname, "user_cardname": model_instance.user_cardname or "", } group_info_data = None if model_instance and getattr(model_instance, 'group_id', None): group_info_data = { "platform": model_instance.group_platform, "group_id": model_instance.group_id, "group_name": model_instance.group_name, } data_for_from_dict = { "stream_id": model_instance.stream_id, "platform": model_instance.platform, "user_info": user_info_data, "group_info": group_info_data, "create_time": model_instance.create_time, "last_active_time": model_instance.last_active_time, "energy_value": model_instance.energy_value, "sleep_pressure": model_instance.sleep_pressure, } stream = ChatStream.from_dict(data_for_from_dict) # 更新用户信息和群组信息 stream.user_info = user_info if group_info: stream.group_info = group_info stream.update_active_time() else: # 创建新的聊天流 stream = ChatStream( stream_id=stream_id, platform=platform, user_info=user_info, group_info=group_info, ) except Exception as e: logger.error(f"获取或创建聊天流失败: {e}", exc_info=True) raise e stream = copy.deepcopy(stream) from .message import MessageRecv # 延迟导入，避免循环引用 if stream_id in self.last_messages and isinstance(self.last_messages[stream_id], MessageRecv): stream.set_context(self.last_messages[stream_id]) else: logger.error(f"聊天流 {stream_id} 不在最后消息列表中，可能是新创建的") # 保存到内存和数据库 self.streams[stream_id] = stream await self._save_stream(stream) return stream def get_stream(self, stream_id: str) -> Optional[ChatStream]: """通过stream_id获取聊天流""" stream = self.streams.get(stream_id) if not stream: return None if stream_id in self.last_messages: stream.set_context(self.last_messages[stream_id]) return stream def get_stream_by_info( self, platform: str, user_info: UserInfo, group_info: Optional[GroupInfo] = None ) -> Optional[ChatStream]: """通过信息获取聊天流""" stream_id = self._generate_stream_id(platform, user_info, group_info) return self.streams.get(stream_id) def get_stream_name(self, stream_id: str) -> Optional[str]: """根据 stream_id 获取聊天流名称""" stream = self.get_stream(stream_id) if not stream: return None if stream.group_info and stream.group_info.group_name: return stream.group_info.group_name elif stream.user_info and stream.user_info.user_nickname: return f"{stream.user_info.user_nickname}的私聊" else: return None @staticmethod async def _save_stream(stream: ChatStream): """保存聊天流到数据库""" if stream.saved: return stream_data_dict = stream.to_dict() def _db_save_stream_sync(s_data_dict: dict): with get_db_session() as session: user_info_d = s_data_dict.get("user_info") group_info_d = s_data_dict.get("group_info") fields_to_save = { "platform": s_data_dict["platform"], "create_time": s_data_dict["create_time"], "last_active_time": s_data_dict["last_active_time"], "user_platform": user_info_d["platform"] if user_info_d else "", "user_id": user_info_d["user_id"] if user_info_d else "", "user_nickname": user_info_d["user_nickname"] if user_info_d else "", "user_cardname": user_info_d.get("user_cardname", "") if user_info_d else None, "group_platform": group_info_d["platform"] if group_info_d else "", "group_id": group_info_d["group_id"] if group_info_d else "", "group_name": group_info_d["group_name"] if group_info_d else "", "energy_value": s_data_dict.get("energy_value", 5.0), "sleep_pressure": s_data_dict.get("sleep_pressure", 0.0), } # 根据数据库类型选择插入语句 if global_config.database.database_type == "sqlite": stmt = sqlite_insert(ChatStreams).values(stream_id=s_data_dict["stream_id"], **fields_to_save) stmt = stmt.on_conflict_do_update(index_elements=["stream_id"], set_=fields_to_save) elif global_config.database.database_type == "mysql": stmt = mysql_insert(ChatStreams).values(stream_id=s_data_dict["stream_id"], **fields_to_save) stmt = stmt.on_duplicate_key_update( **{key: value for key, value in fields_to_save.items() if key != "stream_id"} ) else: # 默认使用通用插入，尝试SQLite语法 stmt = sqlite_insert(ChatStreams).values(stream_id=s_data_dict["stream_id"], **fields_to_save) stmt = stmt.on_conflict_do_update(index_elements=["stream_id"], set_=fields_to_save) session.execute(stmt) session.commit() try: await asyncio.to_thread(_db_save_stream_sync, stream_data_dict) stream.saved = True except Exception as e: logger.error(f"保存聊天流 {stream.stream_id} 到数据库失败 (Peewee): {e}", exc_info=True) async def _save_all_streams(self): """保存所有聊天流""" for stream in self.streams.values(): await self._save_stream(stream) async def load_all_streams(self): """从数据库加载所有聊天流""" logger.info("正在从数据库加载所有聊天流") def _db_load_all_streams_sync(): loaded_streams_data = [] with get_db_session() as session: for model_instance in session.execute(select(ChatStreams)).scalars(): user_info_data = { "platform": model_instance.user_platform, "user_id": model_instance.user_id, "user_nickname": model_instance.user_nickname, "user_cardname": model_instance.user_cardname or "", } group_info_data = None if model_instance and getattr(model_instance, 'group_id', None): group_info_data = { "platform": model_instance.group_platform, "group_id": model_instance.group_id, "group_name": model_instance.group_name, } data_for_from_dict = { "stream_id": model_instance.stream_id, "platform": model_instance.platform, "user_info": user_info_data, "group_info": group_info_data, "create_time": model_instance.create_time, "last_active_time": model_instance.last_active_time, "energy_value": model_instance.energy_value, "sleep_pressure": model_instance.sleep_pressure, } loaded_streams_data.append(data_for_from_dict) session.commit() return loaded_streams_data try: all_streams_data_list = await asyncio.to_thread(_db_load_all_streams_sync) self.streams.clear() for data in all_streams_data_list: stream = ChatStream.from_dict(data) stream.saved = True self.streams[stream.stream_id] = stream if stream.stream_id in self.last_messages: stream.set_context(self.last_messages[stream.stream_id]) except Exception as e: logger.error(f"从数据库加载所有聊天流失败 (Peewee): {e}", exc_info=True) chat_manager = None def get_chat_manager(): global chat_manager if chat_manager is None: chat_manager = ChatManager() return chat_manager