120 lines
4.3 KiB
Python
120 lines
4.3 KiB
Python
from fastapi import APIRouter, Depends, HTTPException, status
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from typing import Optional, List, Dict, Any
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import json
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from app.controllers.user_valuation import user_valuation_controller
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from app.schemas.valuation import (
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UserValuationCreate,
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UserValuationQuery,
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UserValuationList,
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UserValuationOut,
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UserValuationDetail
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)
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from app.schemas.base import Success, SuccessExtra
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from app.utils.app_user_jwt import get_current_app_user_id
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from app.utils.calculation_engine.economic_value_b1.economic_value_b1 import EconomicValueB1Calculator
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app_valuations_router = APIRouter(tags=["用户端估值评估"])
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@app_valuations_router.post("/calculation", summary="计算估值")
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async def calculate_valuation(
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data: UserValuationCreate,
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user_id: int = Depends(get_current_app_user_id)
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):
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"""
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计算估值评估
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根据用户提交的估值评估数据，调用计算引擎进行经济价值B1计算
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"""
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try:
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# 创建计算器实例
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calculator = EconomicValueB1Calculator()
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# 从用户数据中提取计算所需的参数
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input_data = _extract_calculation_params(data)
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# 调用计算引擎进行估值计算
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calculation_result = calculator.calculate_complete_economic_value_b1(input_data)
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# 创建估值评估记录
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result = await user_valuation_controller.create_valuation(
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user_id=user_id,
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data=data
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)
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# 将计算结果添加到返回数据中
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result_dict = json.loads(result.model_dump_json())
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result_dict['calculation_result'] = calculation_result
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return Success(data=result_dict, msg="估值计算完成")
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except Exception as e:
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raise HTTPException(status_code=400, detail=f"计算失败: {str(e)}")
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def _extract_calculation_params(data: UserValuationCreate) -> Dict[str, Any]:
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"""
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从用户提交的数据中提取计算所需的参数
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Args:
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data: 用户提交的估值评估数据
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Returns:
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Dict: 计算所需的参数字典
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"""
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# 基础价值B11相关参数
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# 财务价值所需数据 从近三年收益计算
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three_year_income = data.three_year_income or [0, 0, 0]
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# 法律强度L相关参数 - 需要用户额外提供评分
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# 这里使用默认值，实际应用中需要用户填写
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patent_score = 5.0 # 专利分 (0-10分)
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popularity_score = 5.0 # 普及地域分 (0-10分)
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infringement_score = 5.0 # 侵权分 (0-10分)
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# 发展潜力D相关参数
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esg_score = 5.0 # ESG分 (0-10分)
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# 创新投入比 = (研发费用/营收) * 100
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try:
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rd_investment = float(data.rd_investment or 0)
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annual_revenue = float(data.annual_revenue or 1) # 避免除零
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innovation_ratio = (rd_investment / annual_revenue) * 100 if annual_revenue > 0 else 0
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except (ValueError, TypeError):
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innovation_ratio = 0.0
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# 行业系数I - 系统配置值
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target_industry_roe = 0.15 # 目标行业平均ROE
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benchmark_industry_roe = 0.12 # 基准行业ROE
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# 流量因子B12相关参数
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# 近30天搜索指数S1 - 从社交媒体数据计算
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search_index_s1 = 4500.0 # 默认值，实际应从API获取
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industry_average_s2 = 5000.0 # 行业均值，系统配置
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# 社交媒体传播度S3 - 从线上账号信息计算
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social_media_spread_s3 = 1.07 # 默认值，实际应从API获取
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# 政策乘数B13相关参数
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# 政策契合度评分P - 根据行业和资助情况计算
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policy_compatibility_score = 9.1 # 默认值，实际应系统计算
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return {
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# 基础价值B11相关参数
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'financial_value': financial_value,
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'patent_score': patent_score,
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'popularity_score': popularity_score,
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'infringement_score': infringement_score,
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'esg_score': esg_score,
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'innovation_ratio': innovation_ratio,
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'target_industry_roe': target_industry_roe,
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'benchmark_industry_roe': benchmark_industry_roe,
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# 流量因子B12相关参数
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'search_index_s1': search_index_s1,
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'industry_average_s2': industry_average_s2,
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'social_media_spread_s3': social_media_spread_s3,
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# 政策乘数B13相关参数
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'policy_compatibility_score': policy_compatibility_score
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} |