ForcePilot/backend/package/yuxi/channel/infrastructure/agent/agent_adapter.py
Kris c61d5f0163 feat: 完成通道服务多轮功能迭代
本次提交完成了一系列核心功能迭代与优化:
1.  新增并完善了多个领域模型与端口定义,补充了`__all__`导出规范
2.  优化了会话、绑定、出箱等模块的数据模型,修复了时间字段类型不一致问题
3.  新增了代理ID解析、缓存发布等接口,扩展了系统能力
4.  重构了去重中间件逻辑,优化了空内容校验规则
5.  新增了认证中间件的匿名访问支持,完善了鉴权流程
6.  优化了SSE连接管理,增加了单会话连接上限限制
7.  重构了消息日志与仓储相关代码,将数据类迁移至对应模型目录
8.  新增了重复绑定校验、绑定更新接口,完善了绑定服务逻辑
9.  优化了健康检查逻辑,新增了环境变量控制启动时间线展示
10. 重构了出箱重试工作线程,使用缓存端口替代直接redis操作,新增了消息处理标记逻辑
11. 完善了飞书、Web、钩子等通道的翻译器逻辑,补充了账户ID传递
12. 新增了多种自定义异常类型,优化了异常映射与错误处理流程
13. 完善了配置热重载逻辑,同步认证凭证与校验器配置
14. 重构了Redis缓存实现,增加了异常捕获与包装
2026-05-31 21:42:03 +08:00

86 lines
3.2 KiB
Python

from __future__ import annotations
import json
from collections.abc import AsyncGenerator
from sqlalchemy import select
from yuxi.channel.domain.model.message.stream_chat_request import StreamChatRequest
from yuxi.repositories.agent_config_repository import AgentConfigRepository
from yuxi.storage.postgres.models_business import User
from yuxi.utils.logging_config import logger
_CHANNEL_SERVICE_ROLE = "channel_service"
class AgentAdapter:
def __init__(self, session_factory):
self._session_factory = session_factory
async def _get_service_user(self, db):
stmt = select(User).where(User.role == _CHANNEL_SERVICE_ROLE).limit(1)
result = await db.execute(stmt)
user = result.scalar_one_or_none()
if user:
return user
stmt = select(User).where(User.role == "superadmin").limit(1)
result = await db.execute(stmt)
fallback = result.scalar_one_or_none()
if fallback:
logger.warning(
"no %s user found, falling back to superadmin; create a %s user for production",
_CHANNEL_SERVICE_ROLE,
_CHANNEL_SERVICE_ROLE,
)
return fallback
async def stream_chat(self, request: StreamChatRequest) -> str:
chunks = []
async for chunk in self.stream_chat_iter(request):
chunks.append(chunk)
return "".join(chunks)
async def stream_chat_iter(self, request: StreamChatRequest) -> AsyncGenerator[str, None]:
from yuxi.services.chat_service import stream_agent_chat
async with self._session_factory() as db:
service_user = await self._get_service_user(db)
if not service_user:
logger.error("no service user found for channel agent request")
yield "Error: no service user found"
return
accumulated: list[str] = []
async for raw_chunk in stream_agent_chat(
query=request.content,
agent_config_id=request.agent_config_id,
thread_id=request.session_id,
meta={"request_id": request.message_id},
image_content=None,
current_user=service_user,
db=db,
):
try:
data = json.loads(raw_chunk)
content = data.get("response")
if content:
accumulated.append(content)
yield content
status = data.get("status")
if status == "error":
error_msg = data.get("error_message", "unknown error")
logger.error("stream_agent_chat error: %s", error_msg)
if not accumulated:
yield f"Error: {error_msg}"
return
except (json.JSONDecodeError, AttributeError):
pass
async def resolve_agent_id(self, agent_config_id: int) -> str:
async with self._session_factory() as session:
repo = AgentConfigRepository(session)
config = await repo.get_by_id(config_id=agent_config_id)
return config.agent_id if config else "chatbot"