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Mofox-Core/src/plugins/PFC/chat_observer.py
2025-04-11 10:57:49 +08:00

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import time
import asyncio
import traceback
from typing import Optional, Dict, Any, List
from src.common.logger import get_module_logger
from ..message.message_base import UserInfo
from ..config.config import global_config
from .chat_states import NotificationManager, create_new_message_notification, create_cold_chat_notification
from .message_storage import MongoDBMessageStorage
logger = get_module_logger("chat_observer")
class ChatObserver:
"""聊天状态观察器"""
# 类级别的实例管理
_instances: Dict[str, "ChatObserver"] = {}
@classmethod
def get_instance(cls, stream_id: str) -> "ChatObserver":
"""获取或创建观察器实例
Args:
stream_id: 聊天流ID
Returns:
ChatObserver: 观察器实例
"""
if stream_id not in cls._instances:
cls._instances[stream_id] = cls(stream_id)
return cls._instances[stream_id]
def __init__(self, stream_id: str):
"""初始化观察器
Args:
stream_id: 聊天流ID
"""
if stream_id in self._instances:
raise RuntimeError(f"ChatObserver for {stream_id} already exists. Use get_instance() instead.")
self.stream_id = stream_id
self.message_storage = MongoDBMessageStorage()
# self.last_user_speak_time: Optional[float] = None # 对方上次发言时间
# self.last_bot_speak_time: Optional[float] = None # 机器人上次发言时间
# self.last_check_time: float = time.time() # 上次查看聊天记录时间
self.last_message_read: Optional[Dict[str, Any]] = None # 最后读取的消息ID
self.last_message_time: float = time.time()
self.waiting_start_time: float = time.time() # 等待开始时间,初始化为当前时间
# 运行状态
self._running: bool = False
self._task: Optional[asyncio.Task] = None
self._update_event = asyncio.Event() # 触发更新的事件
self._update_complete = asyncio.Event() # 更新完成的事件
# 通知管理器
self.notification_manager = NotificationManager()
# 冷场检查配置
self.cold_chat_threshold: float = 60.0 # 60秒无消息判定为冷场
self.last_cold_chat_check: float = time.time()
self.is_cold_chat_state: bool = False
self.update_event = asyncio.Event()
self.update_interval = 2 # 更新间隔(秒)
self.message_cache = []
self.update_running = False
async def check(self) -> bool:
"""检查距离上一次观察之后是否有了新消息
Returns:
bool: 是否有新消息
"""
logger.debug(f"检查距离上一次观察之后是否有了新消息: {self.last_check_time}")
new_message_exists = await self.message_storage.has_new_messages(self.stream_id, self.last_check_time)
if new_message_exists:
logger.debug("发现新消息")
self.last_check_time = time.time()
return new_message_exists
async def _add_message_to_history(self, message: Dict[str, Any]):
"""添加消息到历史记录并发送通知
Args:
message: 消息数据
"""
try:
# 发送新消息通知
# logger.info(f"发送新ccchandleer消息通知: {message}")
notification = create_new_message_notification(sender="chat_observer", target="observation_info", message=message)
# logger.info(f"发送新消ddddd息通知: {notification}")
# print(self.notification_manager)
await self.notification_manager.send_notification(notification)
except Exception as e:
logger.error(f"添加消息到历史记录时出错: {e}")
print(traceback.format_exc())
# 检查并更新冷场状态
await self._check_cold_chat()
async def _check_cold_chat(self):
"""检查是否处于冷场状态并发送通知"""
current_time = time.time()
# 每10秒检查一次冷场状态
if current_time - self.last_cold_chat_check < 10:
return
self.last_cold_chat_check = current_time
# 判断是否冷场
is_cold = False
if self.last_message_time is None:
is_cold = True
else:
is_cold = (current_time - self.last_message_time) > self.cold_chat_threshold
# 如果冷场状态发生变化,发送通知
if is_cold != self.is_cold_chat_state:
self.is_cold_chat_state = is_cold
notification = create_cold_chat_notification(sender="chat_observer", target="pfc", is_cold=is_cold)
await self.notification_manager.send_notification(notification)
def new_message_after(self, time_point: float) -> bool:
"""判断是否在指定时间点后有新消息
Args:
time_point: 时间戳
Returns:
bool: 是否有新消息
"""
if self.last_message_time is None:
logger.debug("没有最后消息时间,返回 False")
return False
has_new = self.last_message_time > time_point
logger.debug(f"判断是否在指定时间点后有新消息: {self.last_message_time} > {time_point} = {has_new}")
return has_new
def get_message_history(
self,
start_time: Optional[float] = None,
end_time: Optional[float] = None,
limit: Optional[int] = None,
user_id: Optional[str] = None,
) -> List[Dict[str, Any]]:
"""获取消息历史
Args:
start_time: 开始时间戳
end_time: 结束时间戳
limit: 限制返回消息数量
user_id: 指定用户ID
Returns:
List[Dict[str, Any]]: 消息列表
"""
filtered_messages = self.message_history
if start_time is not None:
filtered_messages = [m for m in filtered_messages if m["time"] >= start_time]
if end_time is not None:
filtered_messages = [m for m in filtered_messages if m["time"] <= end_time]
if user_id is not None:
filtered_messages = [
m for m in filtered_messages if UserInfo.from_dict(m.get("user_info", {})).user_id == user_id
]
if limit is not None:
filtered_messages = filtered_messages[-limit:]
return filtered_messages
async def _fetch_new_messages(self) -> List[Dict[str, Any]]:
"""获取新消息
Returns:
List[Dict[str, Any]]: 新消息列表
"""
new_messages = await self.message_storage.get_messages_after(self.stream_id, self.last_message_time)
if new_messages:
self.last_message_read = new_messages[-1]
self.last_message_time = new_messages[-1]["time"]
print(f"获取数据库中找到的新消息: {new_messages}")
return new_messages
async def _fetch_new_messages_before(self, time_point: float) -> List[Dict[str, Any]]:
"""获取指定时间点之前的消息
Args:
time_point: 时间戳
Returns:
List[Dict[str, Any]]: 最多5条消息
"""
new_messages = await self.message_storage.get_messages_before(self.stream_id, time_point)
if new_messages:
self.last_message_read = new_messages[-1]["message_id"]
logger.debug(f"获取指定时间点111之前的消息: {new_messages}")
return new_messages
"""主要观察循环"""
async def _update_loop(self):
"""更新循环"""
# try:
# start_time = time.time()
# messages = await self._fetch_new_messages_before(start_time)
# for message in messages:
# await self._add_message_to_history(message)
# logger.debug(f"缓冲消息: {messages}")
# except Exception as e:
# logger.error(f"缓冲消息出错: {e}")
while self._running:
try:
# 等待事件或超时1秒
try:
# print("等待事件")
await asyncio.wait_for(self._update_event.wait(), timeout=1)
except asyncio.TimeoutError:
# print("超时")
pass # 超时后也执行一次检查
self._update_event.clear() # 重置触发事件
self._update_complete.clear() # 重置完成事件
# 获取新消息
new_messages = await self._fetch_new_messages()
if new_messages:
# 处理新消息
for message in new_messages:
await self._add_message_to_history(message)
# 设置完成事件
self._update_complete.set()
except Exception as e:
logger.error(f"更新循环出错: {e}")
logger.error(traceback.format_exc())
self._update_complete.set() # 即使出错也要设置完成事件
def trigger_update(self):
"""触发一次立即更新"""
self._update_event.set()
async def wait_for_update(self, timeout: float = 5.0) -> bool:
"""等待更新完成
Args:
timeout: 超时时间(秒)
Returns:
bool: 是否成功完成更新False表示超时
"""
try:
await asyncio.wait_for(self._update_complete.wait(), timeout=timeout)
return True
except asyncio.TimeoutError:
logger.warning(f"等待更新完成超时({timeout}秒)")
return False
def start(self):
"""启动观察器"""
if self._running:
return
self._running = True
self._task = asyncio.create_task(self._update_loop())
logger.info(f"ChatObserver for {self.stream_id} started")
def stop(self):
"""停止观察器"""
self._running = False
self._update_event.set() # 设置事件以解除等待
self._update_complete.set() # 设置完成事件以解除等待
if self._task:
self._task.cancel()
logger.info(f"ChatObserver for {self.stream_id} stopped")
async def process_chat_history(self, messages: list):
"""处理聊天历史
Args:
messages: 消息列表
"""
self.update_check_time()
for msg in messages:
try:
user_info = UserInfo.from_dict(msg.get("user_info", {}))
if user_info.user_id == global_config.BOT_QQ:
self.update_bot_speak_time(msg["time"])
else:
self.update_user_speak_time(msg["time"])
except Exception as e:
logger.warning(f"处理消息时间时出错: {e}")
continue
def update_check_time(self):
"""更新查看时间"""
self.last_check_time = time.time()
def update_bot_speak_time(self, speak_time: Optional[float] = None):
"""更新机器人说话时间"""
self.last_bot_speak_time = speak_time or time.time()
def update_user_speak_time(self, speak_time: Optional[float] = None):
"""更新用户说话时间"""
self.last_user_speak_time = speak_time or time.time()
def get_time_info(self) -> str:
"""获取时间信息文本"""
current_time = time.time()
time_info = ""
if self.last_bot_speak_time:
bot_speak_ago = current_time - self.last_bot_speak_time
time_info += f"\n距离你上次发言已经过去了{int(bot_speak_ago)}"
if self.last_user_speak_time:
user_speak_ago = current_time - self.last_user_speak_time
time_info += f"\n距离对方上次发言已经过去了{int(user_speak_ago)}"
return time_info
def get_cached_messages(self, limit: int = 50) -> List[Dict[str, Any]]:
"""获取缓存的消息历史
Args:
limit: 获取的最大消息数量默认50
Returns:
List[Dict[str, Any]]: 缓存的消息历史列表
"""
return self.message_cache[:limit]
def get_last_message(self) -> Optional[Dict[str, Any]]:
"""获取最后一条消息
Returns:
Optional[Dict[str, Any]]: 最后一条消息如果没有则返回None
"""
if not self.message_cache:
return None
return self.message_cache[0]
def __str__(self):
return f"ChatObserver for {self.stream_id}"