from fastapi import APIRouter
from pydantic import BaseModel


INDEX = "营业利润率（%）"

router = APIRouter()


class Params(BaseModel):
    利润总额: float
    营业收入: float


@router.post("/{}".format(INDEX))
def func(p: Params):
    try:
        result = p.利润总额 / p.营业收入 * 100
        return round(result, 6)

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