Files
ai-chat-system/services/matrix_service.py
hubian 0d25cdc344 feat: Matrix改用nio库支持加密消息
- 使用 matrix-nio 库替代 HTTP API
- 支持解密加密消息(MegolmEvent)
- 添加 matrix_password 配置项
- 发送'正在输入'状态提示
2026-04-11 21:39:04 +08:00

217 lines
7.7 KiB
Python

"""
Matrix Bot 服务 - 使用 nio 库处理消息收发(支持加密)
"""
import asyncio
import logging
from typing import Optional, Callable
from nio import AsyncClient, RoomMessageText, RoomMessageEmote
from models import SessionLocal, User, Conversation, Message, SystemConfig
from services.conversation_service import ConversationService
from services import ai_service
logger = logging.getLogger(__name__)
MAIN_USER_ID = "main_user"
class MatrixBot:
def __init__(self):
self.client: Optional[AsyncClient] = None
self.homeserver: str = ""
self.user_id: str = ""
self.password: str = ""
self.is_running: bool = False
self.on_message_callback: Optional[Callable] = None
self.last_room_id: str = ""
async def init_from_config(self):
"""从数据库配置初始化"""
db = SessionLocal()
try:
configs = {c.key: c.value for c in db.query(SystemConfig).all()}
self.homeserver = configs.get('matrix_homeserver', 'http://matrix.tphai.com')
self.user_id = configs.get('matrix_username', '@tester:matrix.tphai.com')
self.password = configs.get('matrix_password', 'tester12345@!')
logger.info(f"Matrix配置: homeserver={self.homeserver}, user={self.user_id}")
if self.user_id and self.password:
self.client = AsyncClient(self.homeserver, self.user_id)
self.is_running = True
logger.info("Matrix nio 客户端已初始化")
return True
finally:
db.close()
return False
async def start_sync(self, message_handler: Callable = None):
"""开始同步消息"""
if not self.is_running or not self.client:
logger.warning("Matrix未连接")
return
self.on_message_callback = message_handler
# 注册消息处理器
self.client.add_event_callback(self._handle_nio_message, RoomMessageText)
# 登录
try:
login_resp = await self.client.login(self.password)
logger.info(f"Matrix登录成功: {login_resp}")
# 开始同步(后台任务)
asyncio.create_task(self._sync_loop())
logger.info("Matrix nio 同步任务已启动")
except Exception as e:
logger.error(f"Matrix登录失败: {e}")
async def _sync_loop(self):
"""后台同步循环"""
while self.is_running:
try:
# 同步一次
sync_resp = await self.client.sync(timeout=30000)
if sync_resp:
logger.debug(f"Matrix同步完成: next_batch={sync_resp.next_batch}")
# 处理已加入的房间
for room_id, room in self.client.rooms.items():
self.last_room_id = room_id
logger.debug(f"房间: {room_id}, 名称: {room.display_name}")
await asyncio.sleep(1)
except Exception as e:
logger.error(f"Matrix同步错误: {e}")
await asyncio.sleep(10)
async def _handle_nio_message(self, room, event):
"""处理 nio 收到的消息"""
# 忽略自己发送的消息
sender = event.sender
if sender == self.user_id:
return
message_text = event.body.strip()
logger.info(f"Matrix收到消息: [{room.room_id}] {sender}: {message_text}")
# 保存房间ID
self.last_room_id = room.room_id
db = SessionLocal()
try:
conv_service = ConversationService(db)
# 使用固定主用户
main_user = conv_service.get_or_create_user(
MAIN_USER_ID,
display_name="主用户",
user_type='web'
)
# 处理 /new 命令
if message_text == "/new":
conversation = conv_service.create_conversation(main_user.id)
await self.send_message(room.room_id, "✅ 已创建新会话")
logger.info(f"Matrix创建新会话: {conversation.conversation_id}")
if self.on_message_callback:
await self.on_message_callback(
action="new_conversation",
conversation_id=conversation.conversation_id,
room_id=room.room_id
)
return
# 获取最新会话
conversations = conv_service.get_user_conversations(main_user.id)
if not conversations:
conversation = conv_service.create_conversation(main_user.id)
else:
conversation = conversations[0]
# 保存用户消息
user_msg = conv_service.add_message(
conversation_id=conversation.id,
role='user',
content=message_text,
source='matrix',
extra_data={
'event_id': event.event_id,
'room_id': room.room_id,
'sender': sender
}
)
# 发送"正在输入"状态
await self.client.room_typing(room.room_id, typing_state=True)
# 获取AI回复
messages = conv_service.get_messages(conversation.id)
ai_response = await ai_service.chat(messages)
# 保存AI回复
conv_service.add_message(
conversation_id=conversation.id,
role='assistant',
content=ai_response,
source='matrix'
)
# 发送回复
await self.send_message(room.room_id, ai_response)
# 关闭"正在输入"状态
await self.client.room_typing(room.room_id, typing_state=False)
# 调用回调(用于网页同步)
if self.on_message_callback:
await self.on_message_callback(
action="chat",
conversation_id=conversation.conversation_id,
user_message=message_text,
room_id=room.room_id,
message_id=user_msg.id
)
logger.info(f"Matrix回复已发送: {ai_response[:50]}")
except Exception as e:
logger.error(f"处理Matrix消息失败: {e}")
await self.send_message(room.room_id, f"处理消息时出错: {str(e)}")
await self.client.room_typing(room.room_id, typing_state=False)
finally:
db.close()
async def send_message(self, room_id: str, message: str):
"""发送消息到Matrix房间"""
if not self.client:
logger.error("Matrix客户端未初始化")
return False
try:
await self.client.room_send(
room_id,
"m.room.message",
{
"msgtype": "m.text",
"body": message
}
)
logger.info(f"Matrix消息发送成功: {room_id}")
return True
except Exception as e:
logger.error(f"发送Matrix消息错误: {e}")
return False
async def disconnect(self):
"""断开连接"""
self.is_running = False
if self.client:
await self.client.close()
# 全局实例
matrix_bot = MatrixBot()