借款还款

zyy

2025-12-17 0a87c3811a648e46105687aa1fab02f605f7e5c0

 trading-order-admin/src/main/java/com/yami/trading/admin/controller/loan/internal/LoanServiceImpl.java

@@ -2,6 +2,7 @@

import java.io.Serializable;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.sql.Timestamp;
import java.util.*;
import java.util.regex.Pattern;
@@ -15,12 +16,16 @@
import com.yami.trading.bean.model.MoneyLog;
import com.yami.trading.bean.model.User;
import com.yami.trading.bean.model.Wallet;
import com.yami.trading.bean.rate.domain.ExchangeRate;
import com.yami.trading.common.constants.Constants;
import com.yami.trading.common.domain.Result;
import com.yami.trading.common.exception.BusinessException;
import com.yami.trading.common.exception.YamiShopBindException;
import com.yami.trading.common.util.Arith;
import com.yami.trading.dao.loan.LoanParamMapper;
import com.yami.trading.service.MoneyLogService;
import com.yami.trading.service.WalletService;
import com.yami.trading.service.rate.ExchangeRateService;
import com.yami.trading.service.user.UserService;
import lombok.Getter;
import lombok.extern.slf4j.Slf4j;
@@ -58,6 +63,9 @@

   @Autowired
   LoanParamMapper loanParamMapper;

   @Autowired
   ExchangeRateService exchangeRateService;

   @Getter
   HashMap<String,Object> paramMap = new HashMap<>();
@@ -97,6 +105,7 @@
      stateMap.put(3, "驳回");
      stateMap.put(4, "已逾期");
      stateMap.put(5, "已还款");
      stateMap.put(6, "提交还款申请");
      
      repayments.put(1,"到期还本息");
      repayments.put(2,"到期还本金");
@@ -154,6 +163,61 @@
      System.out.println(update);

      return true;
   }

   @Override
   public Boolean refundLoanOrder(String orderNo, String userId) {
      try {
         if(null==orderNo || (orderNo=orderNo.trim()).isEmpty()) {
            throw new BusinessException("申请单ID不能为空!");
         }
         SimpleLoanOrder loanOrder = getLoanOrder(null, orderNo);
         if(loanOrder == null) {
            throw new BusinessException("找不到订单!");
         }

         //利息
         double interest = loanOrder.getQuota().multiply(loanOrder.getDailyRate()).doubleValue();
         //还款金额
         double amt = loanOrder.getQuota().doubleValue() + interest;
         BigDecimal amtBD = new BigDecimal(amt).negate();
         if (!loanOrder.getSymbol().equalsIgnoreCase("usdt")) {
            ExchangeRate exchangeRate = exchangeRateService.findBy(ExchangeRate.IN, loanOrder.getSymbol().toUpperCase());
            if (exchangeRate == null) {
               throw new YamiShopBindException("汇率未设置");
            }
            BigDecimal money = BigDecimal.valueOf(amt).divide(exchangeRate.getRata(), 8, RoundingMode.HALF_UP);
            amt = money.doubleValue();
         }

         //通过
         Wallet wallet = this.walletService.saveWalletByPartyId(loanOrder.getPartyId());
         if (wallet.getMoney().compareTo(BigDecimal.valueOf(amt)) < 0) {
            throw new YamiShopBindException("余额不足!");
         }

         double amountBefore = wallet.getMoney().doubleValue();
         this.walletService.update(wallet.getUserId(), Arith.sub(0, amt));
         MoneyLog log = new MoneyLog();
         log.setCategory(Constants.MONEYLOG_CATEGORY_LOAN);
         log.setAmountBefore(new BigDecimal(amountBefore));
         log.setAmount(amtBD);
         log.setAmountAfter(BigDecimal.valueOf(amountBefore - amt));
         log.setLog("借贷还款，订单号[" + loanOrder.getUuid() + "]");
         log.setUserId(loanOrder.getPartyId());
         log.setWalletType(loanOrder.getSymbol().toUpperCase());
         log.setContentType(Constants.MONEYLOG_CONTENT_LOAN_REPAY);
         moneyLogService.save(log);

         int count = jdbcTemplate.update("UPDATE T_SIMPLE_LOAN_ORDER SET state=? WHERE UUID=?",6, orderNo);
         if(1!=count) {
            return false;
         }
         return true;
      } catch (Exception e) {
         log.error(e.getMessage());
      }
      return false;
   }
   
   @Override
@@ -426,17 +490,26 @@
      }

      int state=Integer.parseInt(status);
      if (state==2) {
      if (state==2) {  //放款
         SimpleLoanOrder loanOrder = getLoanOrder(null, orderId);
         if(loanOrder == null) {
            throw new BusinessException("找不到订单!");
         }
         //到账金额
         double amt = loanOrder.getQuota().doubleValue();
         if (!loanOrder.getSymbol().equalsIgnoreCase("usdt")) {
            ExchangeRate exchangeRate = exchangeRateService.findBy(ExchangeRate.IN, loanOrder.getSymbol().toUpperCase());
            if (exchangeRate == null) {
               throw new YamiShopBindException("汇率未设置!");
            }
            BigDecimal money = BigDecimal.valueOf(amt).divide(exchangeRate.getRata(), 8, RoundingMode.HALF_UP);
            amt = money.doubleValue();
         }

         User user = userService.getById(loanOrder.getPartyId());
         double remainLoanLimit  = user.getLoanLimit() - amt;
         user.setLoanLimit(remainLoanLimit < 0 ? 0 : remainLoanLimit);
         double remainLoanLimit  = user.getLoanLimit() - amt  < 0 ? 0 : user.getLoanLimit() - amt;
         BigDecimal loanLimit =  BigDecimal.valueOf(remainLoanLimit).setScale(2, RoundingMode.HALF_UP);
         user.setLoanLimit(loanLimit.doubleValue());
         userService.updateById(user);

         //通过
@@ -446,13 +519,49 @@
         MoneyLog log = new MoneyLog();
         log.setCategory(Constants.MONEYLOG_CATEGORY_LOAN);
         log.setAmountBefore(new BigDecimal(amountBefore));
         log.setAmount(new BigDecimal(amt));
         log.setAmountAfter(wallet.getMoney().add(BigDecimal.valueOf(amt)));
         log.setAmount(loanOrder.getQuota());
         log.setAmountAfter(BigDecimal.valueOf(amountBefore + amt));
         log.setLog("借贷放款，订单号[" + loanOrder.getUuid() + "]");
         log.setUserId(loanOrder.getPartyId());
         log.setWalletType(Constants.WALLET);
         log.setWalletType(loanOrder.getSymbol().toUpperCase());
         log.setContentType(Constants.MONEYLOG_CONTENT_LOAN_ADD);
         moneyLogService.save(log);
      } else if (state==7) {  //拒绝还款
         SimpleLoanOrder loanOrder = getLoanOrder(null, orderId);
         if(loanOrder == null) {
            throw new BusinessException("找不到订单!");
         }

         //利息
         double interest = loanOrder.getQuota().multiply(loanOrder.getDailyRate()).doubleValue();
         //退回金额
         double amt = loanOrder.getQuota().doubleValue() + interest;
         BigDecimal amtBD = new BigDecimal(amt);
         if (!loanOrder.getSymbol().equalsIgnoreCase("usdt")) {
            ExchangeRate exchangeRate = exchangeRateService.findBy(ExchangeRate.IN, loanOrder.getSymbol().toUpperCase());
            if (exchangeRate == null) {
               throw new YamiShopBindException("汇率未设置");
            }
            BigDecimal money = BigDecimal.valueOf(amt).divide(exchangeRate.getRata(), 8, RoundingMode.HALF_UP);
            amt = money.doubleValue();
         }

         //通过
         Wallet wallet = this.walletService.saveWalletByPartyId(loanOrder.getPartyId());
         double amountBefore = wallet.getMoney().doubleValue();
         this.walletService.update(wallet.getUserId(), amt);
         MoneyLog log = new MoneyLog();
         log.setCategory(Constants.MONEYLOG_CATEGORY_LOAN);
         log.setAmountBefore(new BigDecimal(amountBefore));
         log.setAmount(amtBD);
         log.setAmountAfter(BigDecimal.valueOf(amountBefore + amt));
         log.setLog("借贷还款退回，订单号[" + loanOrder.getUuid() + "]");
         log.setUserId(loanOrder.getPartyId());
         log.setWalletType(loanOrder.getSymbol().toUpperCase());
         log.setContentType(Constants.MONEYLOG_CONTENT_LOAN_REPAY_RETURN);
         moneyLogService.save(log);

         state=2; //状态退回待还款
      }