64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
from typing import Union, TypedDict
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import httpx
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from langchain_core.runnables import RunnableConfig
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from langchain_core.tools import tool
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from langgraph.types import interrupt
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from app.config.env import env
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class BookHotelData(TypedDict):
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hotel_id: str
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proj_id: str
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user_id: str
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@tool(name_or_callable="tool_book_hotel", description="一个用于预定酒店的工具")
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async def tool_book_hotel(config: RunnableConfig) -> str:
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"""
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触发中断，输入酒店预定表单信息
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"""
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book_hotel_data: Union[BookHotelData, str] = interrupt({"title": "请输入酒店预定信息", "formCode": "bookHotel"})
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if book_hotel_data == "N":
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return f"用户选择取消预定酒店"
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hotel_id = book_hotel_data.get('hotel_id')
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proj_id = book_hotel_data.get('proj_id')
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user_id = book_hotel_data.get('user_id')
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token = config['configurable']['token']
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# print("================ tool_book_hotel ================")
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# print("hotel_id", hotel_id)
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# print("proj_id", proj_id)
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# print("user_id", user_id)
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async with httpx.AsyncClient() as client:
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response = await client.post(
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url=f"http://localhost:{env.server_port}/book_hotel",
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headers={
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"Authorization": f"Bearer {token}"
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},
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json={
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"hotel_id": hotel_id,
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"user_id": user_id,
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"proj_id": proj_id,
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},
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)
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response_data = response.json()
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# print("================ response_data ================")
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# print(response_data)
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approve_id = response_data.get('graph_state').get('input_approve_id')
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output_message = "预定成功，" + response_data.get('message')
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return [
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output_message,
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{
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"component": "Link",
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"props": {
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"to": f"/pages/approve/approve-detail?id={approve_id}",
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"children": f"{output_message}，也可以点击这里查看审批进度。"
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}
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}
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]
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