qnc-server-old/service/loanEvaluation.go

package service

import (
	"encoding/base64"
	"encoding/hex"
	"encoding/json"
	"log"
	"qnc-server/config"
	"qnc-server/db"
	"qnc-server/model/model"
	"qnc-server/utils"
	"time"
)

const RetCodeYiDong = "000001"
const RetCodeLianTong = "000002"
const RetCodeDianXin = "000003"

type LoanEvaluationService struct {
}

func (a *LoanEvaluationService) QueryLoanEvaluationOrder(orderID uint) (oanEvaluation []model.LoanEvaluation, err error) {
	err = db.DB.Where("order_id = ?", orderID).Find(&oanEvaluation).Error
	if err != nil {
		log.Printf("query oanEvaluation order failed: %v", err)
	}
	return
}
func (a *LoanEvaluationService) ReqYuShan(data *model.LoanEvaluationReqPayload) (plainText []byte, err error) {
	currentTime := time.Now()
	unixMilliseconds := currentTime.UnixNano() / int64(time.Millisecond)
	requestSN, _ := utils.GenerateRandomString()
	apiKey := config.ConfigData.Antifraud.ApiKey
	acctId := config.ConfigData.Antifraud.AcctId
	httpUrl := config.ConfigData.Antifraud.HttpUrl
	// 根据 ProdID 动态构建请求数据
	reqData := map[string]interface{}{
		"prod_id":    data.ProdID,
		"req_time":   unixMilliseconds,
		"request_sn": requestSN,
		"req_data":   map[string]interface{}{},
	}

	for _, param := range model.LoanEvaluationProdIDParams[data.ProdID] {
		switch param {
		case "cardNo":
			reqData["req_data"].(map[string]interface{})["cardNo"] = data.CardNo
		case "name":
			reqData["req_data"].(map[string]interface{})["name"] = data.Name
		case "mobile":
			reqData["req_data"].(map[string]interface{})["mobile"] = data.Mobile
		case "encryptionType":
			reqData["req_data"].(map[string]interface{})["encryptionType"] = 1
		case "idCard":
			reqData["req_data"].(map[string]interface{})["idCard"] = data.CardNo
		case "phone":
			reqData["req_data"].(map[string]interface{})["phone"] = data.Mobile
		}
	}
	messageBytes, err := json.Marshal(reqData)
	if err != nil {
		return
	}
	key, err := hex.DecodeString(apiKey)
	if err != nil {
		return
	}
	//加密
	cipherText := utils.AES_CBC_Encrypt(messageBytes, key)

	content := base64.StdEncoding.EncodeToString(cipherText)
	respStr, err := httpDo(httpUrl, content, acctId)
	if err != nil {
		return
	}
	//解密
	sDec, err := base64.StdEncoding.DecodeString(respStr)
	if err != nil {
		if utils.IsJSON(respStr) {
			return []byte(respStr), nil
		}
		return
	}
	plainText = utils.AES_CBC_Decrypt(sDec, key)
	return
}

// 对返回信息进行处理，返回一份完整的报告
func (a *LoanEvaluationService) DataAnalysis(loanEvaluation model.LoanEvaluation) (report model.LoanEvaluationReport) {
	// 手机月消费档次
	var mobileMonthlyConsumptionLevelResp model.YuShanResponse[map[string]interface{}]
	err := json.Unmarshal([]byte(loanEvaluation.MobileMonthlyConsumptionLevelResp), &mobileMonthlyConsumptionLevelResp)
	if err != nil {
		log.Printf("mobileMonthlyConsumptionLevelResp Unmarshal error：%v", err)
	}

	if mobileMonthlyConsumptionLevelResp.Retcode == RetCodeSuccess || mobileMonthlyConsumptionLevelResp.Retcode == RetCodeYiDong || mobileMonthlyConsumptionLevelResp.Retcode == RetCodeLianTong || mobileMonthlyConsumptionLevelResp.Retcode == RetCodeDianXin {
		report.MobileMonthlyConsumptionLevel = mobileMonthlyConsumptionLevelResp.Retdata
	} else {
		log.Printf("mobileMonthlyConsumptionLevelResp error：%s", mobileMonthlyConsumptionLevelResp.Retmsg)
	}

	// 近六个月欠费停机次数查询
	var recentSixMonthsSuspendedTimesResp model.YuShanResponse[map[string]interface{}]
	err = json.Unmarshal([]byte(loanEvaluation.RecentSixMonthsSuspendedTimesResp), &recentSixMonthsSuspendedTimesResp)
	if err != nil {
		log.Printf("recentSixMonthsSuspendedTimesResp Unmarshal error：%v", err)
	}
	if recentSixMonthsSuspendedTimesResp.Retcode == RetCodeSuccess || recentSixMonthsSuspendedTimesResp.Retcode == RetCodeYiDong || recentSixMonthsSuspendedTimesResp.Retcode == RetCodeLianTong || recentSixMonthsSuspendedTimesResp.Retcode == RetCodeDianXin {
		report.RecentSixMonthsSuspendedTimes = recentSixMonthsSuspendedTimesResp.Retdata
	} else {
		log.Printf("recentSixMonthsSuspendedTimesResp error：%s", recentSixMonthsSuspendedTimesResp.Retmsg)
	}

	// 逾选指数 OverdueSelectionIndexResp
	var overdueSelectionIndexResp model.YuShanResponse[map[string]interface{}]
	err = json.Unmarshal([]byte(loanEvaluation.OverdueSelectionIndexResp), &overdueSelectionIndexResp)
	if err != nil {
		log.Printf("overdueSelectionIndexResp Unmarshal error：%v", err)
	}
	if overdueSelectionIndexResp.Retcode == RetCodeSuccess {
		report.OverdueSelectionIndex = overdueSelectionIndexResp.Retdata
	} else {
		log.Printf("overdueSelectionIndexResp error：%s", overdueSelectionIndexResp.Retmsg)
	}

	// 付选指数 PaymentSelectionIndexResp
	var paymentSelectionIndexResp model.YuShanResponse[map[string]interface{}]
	err = json.Unmarshal([]byte(loanEvaluation.PaymentSelectionIndexResp), &paymentSelectionIndexResp)
	if err != nil {
		log.Printf("paymentSelectionIndexResp Unmarshal error：%v", err)
	}
	if paymentSelectionIndexResp.Retcode == RetCodeSuccess {
		report.PaymentSelectionIndex = paymentSelectionIndexResp.Retdata
	} else {
		log.Printf("paymentSelectionIndexResp error：%s", paymentSelectionIndexResp.Retmsg)
	}

	// 贷选指数 LoanSelectionIndexResp
	var loanSelectionIndexResp model.YuShanResponse[map[string]interface{}]
	err = json.Unmarshal([]byte(loanEvaluation.LoanSelectionIndexResp), &loanSelectionIndexResp)
	if err != nil {
		log.Printf("loanSelectionIndexResp Unmarshal error：%v", err)
	}
	if loanSelectionIndexResp.Retcode == RetCodeSuccess {
		report.LoanSelectionIndex = loanSelectionIndexResp.Retdata
	} else {
		log.Printf("loanSelectionIndexResp error：%s", loanSelectionIndexResp.Retmsg)
	}

	// 借选指数 BorrowSelectionIndexResp
	var borrowSelectionIndexResp model.YuShanResponse[map[string]interface{}]
	err = json.Unmarshal([]byte(loanEvaluation.BorrowSelectionIndexResp), &borrowSelectionIndexResp)
	if err != nil {
		log.Printf("borrowSelectionIndexResp Unmarshal error：%v", err)
	}
	if borrowSelectionIndexResp.Retcode == RetCodeSuccess {
		report.BorrowSelectionIndex = borrowSelectionIndexResp.Retdata
	} else {
		log.Printf("borrowSelectionIndexResp error：%s", borrowSelectionIndexResp.Retmsg)
	}

	// 金融黑名单 FinancialBlacklistResp
	var financialBlacklistResp model.YuShanResponse[map[string]interface{}]
	err = json.Unmarshal([]byte(loanEvaluation.FinancialBlacklistResp), &financialBlacklistResp)
	if err != nil {
		log.Printf("financialBlacklistResp Unmarshal error：%v", err)
	}
	if financialBlacklistResp.Retcode == RetCodeSuccess {
		report.FinancialBlacklist = financialBlacklistResp.Retdata
	} else {
		log.Printf("financialBlacklistResp error：%s", financialBlacklistResp.Retmsg)
	}
	return report
}