From 75f0bffc3d1aea9764406dc6be4b73f36c9ebb6c Mon Sep 17 00:00:00 2001
From: Helius <wangdoubleone@gmail.com>
Date: Wed, 19 May 2021 17:19:52 +0800
Subject: [PATCH] modify
---
src/main/java/com/xcong/excoin/modules/otc/service/impl/OtcOrderServiceImpl.java | 127 ++++++++++++++++++++++++++++++++++++++++++
1 files changed, 127 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/xcong/excoin/modules/otc/service/impl/OtcOrderServiceImpl.java b/src/main/java/com/xcong/excoin/modules/otc/service/impl/OtcOrderServiceImpl.java
index 94640c5..0025b82 100644
--- a/src/main/java/com/xcong/excoin/modules/otc/service/impl/OtcOrderServiceImpl.java
+++ b/src/main/java/com/xcong/excoin/modules/otc/service/impl/OtcOrderServiceImpl.java
@@ -1,13 +1,140 @@
package com.xcong.excoin.modules.otc.service.impl;
+import cn.hutool.core.bean.BeanUtil;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.xcong.excoin.common.LoginUserUtils;
+import com.xcong.excoin.common.exception.GlobalException;
+import com.xcong.excoin.common.system.service.CommonService;
+import com.xcong.excoin.modules.member.dao.MemberWalletCoinDao;
+import com.xcong.excoin.modules.member.entity.MemberEntity;
+import com.xcong.excoin.modules.member.entity.MemberWalletCoinEntity;
+import com.xcong.excoin.modules.otc.dao.OtcEntrustOrderDao;
+import com.xcong.excoin.modules.otc.dto.OrderAddDto;
+import com.xcong.excoin.modules.otc.dto.OrderListDto;
+import com.xcong.excoin.modules.otc.entity.OtcEntrustOrder;
import com.xcong.excoin.modules.otc.entity.OtcOrder;
import com.xcong.excoin.modules.otc.dao.OtcOrderDao;
import com.xcong.excoin.modules.otc.service.OtcOrderService;
+import com.xcong.excoin.modules.otc.vo.OrderListVo;
import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import java.math.BigDecimal;
+import java.util.Date;
+
+@Slf4j
@Service
@RequiredArgsConstructor
public class OtcOrderServiceImpl extends ServiceImpl<OtcOrderDao, OtcOrder> implements OtcOrderService {
+
+ private final OtcEntrustOrderDao otcEntrustOrderDao;
+ private final CommonService commonService;
+ private final MemberWalletCoinDao memberWalletCoinDao;
+
+ @Override
+ @Transactional(rollbackFor = Exception.class)
+ public void buyOrder(OrderAddDto orderAddDto) {
+ MemberEntity member = LoginUserUtils.getAppLoginUser();
+ OtcEntrustOrder entrustOrder = otcEntrustOrderDao.selectById(orderAddDto.getId());
+ if (entrustOrder == null) {
+ throw new GlobalException("委托单不存在");
+ }
+
+ if (!OtcEntrustOrder.ORDER_TYPE_S.equals(entrustOrder.getOrderType())) {
+ throw new GlobalException("无法购买");
+ }
+
+ if (orderAddDto.getUsdtAmount().compareTo(entrustOrder.getRemainCoinAmount()) > 0) {
+ throw new GlobalException("无足够的USDT");
+ }
+
+ BigDecimal cny = orderAddDto.getUsdtAmount().multiply(entrustOrder.getUnitPrice());
+ log.info("--->{}", cny);
+ if (cny.compareTo(orderAddDto.getCnyAmount()) != 0) {
+ throw new GlobalException("数量与金额不符");
+ }
+
+ OtcOrder otcOrder = new OtcOrder();
+ otcOrder.setOrderNo(commonService.generateOrderNo(member.getId()));
+ otcOrder.setUnitPrice(entrustOrder.getUnitPrice());
+ otcOrder.setEntrustOrderId(entrustOrder.getId());
+ otcOrder.setCoinAmount(orderAddDto.getUsdtAmount());
+ otcOrder.setTotalAmount(orderAddDto.getCnyAmount());
+ otcOrder.setMemberId(member.getId());
+ otcOrder.setStatus(OtcOrder.STATUS_SUBMIT);
+ otcOrder.setPayTime(new Date());
+ otcOrder.setEntrustMemberId(entrustOrder.getMemberId());
+ otcOrder.setOrderType(OtcEntrustOrder.ORDER_TYPE_B);
+
+ OtcOrder sale = new OtcOrder();
+ BeanUtil.copyProperties(otcOrder, sale);
+ sale.setMemberId(entrustOrder.getMemberId());
+ sale.setOrderType(OtcEntrustOrder.ORDER_TYPE_S);
+ otcEntrustOrderDao.updateRemainAmount(entrustOrder.getId(), orderAddDto.getUsdtAmount().negate());
+ this.baseMapper.insert(otcOrder);
+ this.baseMapper.insert(sale);
+ }
+
+ @Override
+ @Transactional(rollbackFor = Exception.class)
+ public void saleOrder(OrderAddDto orderAddDto) {
+ MemberEntity member = LoginUserUtils.getAppLoginUser();
+ OtcEntrustOrder entrustOrder = otcEntrustOrderDao.selectById(orderAddDto.getId());
+ if (entrustOrder == null) {
+ throw new GlobalException("委托单不存在");
+ }
+
+ if (!OtcEntrustOrder.ORDER_TYPE_B.equals(entrustOrder.getOrderType())) {
+ throw new GlobalException("无法出售");
+ }
+
+ BigDecimal cny = orderAddDto.getUsdtAmount().multiply(entrustOrder.getUnitPrice());
+ if (cny.compareTo(orderAddDto.getCnyAmount()) != 0) {
+ throw new GlobalException("数量与金额不符");
+ }
+
+ MemberWalletCoinEntity wallet = memberWalletCoinDao.selectWalletCoinBymIdAndCode(member.getId(), "USDT");
+ if (wallet.getAvailableBalance().compareTo(orderAddDto.getUsdtAmount()) < 0) {
+ throw new GlobalException("钱包余额不足");
+ }
+
+ OtcOrder otcOrder = new OtcOrder();
+ otcOrder.setOrderNo(commonService.generateOrderNo(member.getId()));
+ otcOrder.setUnitPrice(entrustOrder.getUnitPrice());
+ otcOrder.setEntrustOrderId(entrustOrder.getId());
+ otcOrder.setCoinAmount(orderAddDto.getUsdtAmount());
+ otcOrder.setTotalAmount(orderAddDto.getCnyAmount());
+ otcOrder.setMemberId(member.getId());
+ otcOrder.setStatus(OtcOrder.STATUS_SUBMIT);
+ otcOrder.setPayTime(new Date());
+ otcOrder.setEntrustMemberId(entrustOrder.getMemberId());
+ otcOrder.setOrderType(OtcEntrustOrder.ORDER_TYPE_S);
+
+ OtcOrder buy = new OtcOrder();
+ BeanUtil.copyProperties(otcOrder, buy);
+ buy.setMemberId(entrustOrder.getMemberId());
+ buy.setOrderType(OtcEntrustOrder.ORDER_TYPE_B);
+
+ otcEntrustOrderDao.updateRemainAmount(entrustOrder.getId(), orderAddDto.getUsdtAmount().negate());
+ this.baseMapper.insert(otcOrder);
+ this.baseMapper.insert(buy);
+
+ memberWalletCoinDao.updateFrozenBalance(member.getId(), wallet.getId(), orderAddDto.getUsdtAmount());
+ }
+
+ @Override
+ public IPage<OrderListVo> findOrderListInPage(OrderListDto orderListDto) {
+ MemberEntity member = LoginUserUtils.getAppLoginUser();
+ Page<OrderListVo> page = new Page<>(orderListDto.getPageNum(), orderListDto.getPageSize());
+
+ OtcOrder order = new OtcOrder();
+ order.setStatus(orderListDto.getStatus());
+ order.setMemberId(member.getId());
+ return this.baseMapper.selectOrdderListInPage(order, page);
+ }
}
--
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