from fastapi import APIRouter
from pydantic import BaseModel

INDEX = "经调整的存货周转率（%）"

router = APIRouter()


class Params(BaseModel):
    销售商品提供劳务收到的现金: float
    存货: float
    合同负债: float


# 计算接口
@router.post("/{}".format(INDEX))
def func(p: Params):
    try:
        result = p.销售商品提供劳务收到的现金 / (p.存货 - p.合同负债)
        return round(result, 6)

    except ZeroDivisionError:
        return "算式无意义"
    except Exception:
        return "计算错误"