From d775bb5dacca4c6ff33c65a0cb891f5992cc1bed Mon Sep 17 00:00:00 2001
From: Helius <wangdoubleone@gmail.com>
Date: Thu, 28 May 2020 20:12:42 +0800
Subject: [PATCH] 同步k线、最新价、人民币美元汇率、homesymbols接口

---
 src/main/java/com/xcong/excoin/modules/contract/service/impl/ContractEntrustOrderServiceImpl.java |   93 +++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 91 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/xcong/excoin/modules/contract/service/impl/ContractEntrustOrderServiceImpl.java b/src/main/java/com/xcong/excoin/modules/contract/service/impl/ContractEntrustOrderServiceImpl.java
index c2e5bef..9434371 100644
--- a/src/main/java/com/xcong/excoin/modules/contract/service/impl/ContractEntrustOrderServiceImpl.java
+++ b/src/main/java/com/xcong/excoin/modules/contract/service/impl/ContractEntrustOrderServiceImpl.java
@@ -4,14 +4,23 @@
 import com.xcong.excoin.common.LoginUserUtils;
 import com.xcong.excoin.common.response.Result;
 import com.xcong.excoin.modules.contract.dao.ContractEntrustOrderDao;
+import com.xcong.excoin.modules.contract.dao.ContractOrderDao;
 import com.xcong.excoin.modules.contract.entity.ContractEntrustOrderEntity;
+import com.xcong.excoin.modules.contract.mapper.ContractEntrustOrderEntityMapper;
 import com.xcong.excoin.modules.contract.parameter.dto.SubmitEntrustDto;
 import com.xcong.excoin.modules.contract.service.ContractEntrustOrderService;
+import com.xcong.excoin.modules.member.dao.MemberWalletContractDao;
 import com.xcong.excoin.modules.member.entity.MemberEntity;
+import com.xcong.excoin.modules.member.entity.MemberWalletContractEntity;
+import com.xcong.excoin.utils.CacheSettingUtils;
+import com.xcong.excoin.utils.CoinTypeConvert;
+import com.xcong.excoin.utils.RedisUtils;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import javax.annotation.Resource;
+import java.math.BigDecimal;
 
 /**
  * @author wzy
@@ -24,20 +33,100 @@
     @Resource
     private ContractEntrustOrderDao contractEntrustOrderDao;
 
+    @Resource
+    private MemberWalletContractDao memberWalletContractDao;
 
+    @Resource
+    private RedisUtils redisUtils;
+
+    @Resource
+    private CacheSettingUtils cacheSettingUtils;
+
+    @Resource
+    private ContractOrderDao contractOrderDao;
+
+    @Transactional(rollbackFor = Exception.class)
     @Override
     public Result addContractEntrustOrder(SubmitEntrustDto submitEntrustDto) {
         MemberEntity memberEntity = LoginUserUtils.getAppLoginUser();
 
+        // 获取最新价
+        BigDecimal newPirce = new BigDecimal(redisUtils.getString(CoinTypeConvert.convertToKey(submitEntrustDto.getSymbol())));
+
         // 委托开仓
         if (submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_OPEN_MORE || submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_OPEN_LESS) {
+            // 开多委托价不能大于当前价
+            if (submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_OPEN_MORE) {
+                if (submitEntrustDto.getEntrustPrice().compareTo(newPirce) > -1) {
+                    return Result.fail("委托价不能大于当前价");
+                }
+            }
 
+            // 开空委托价不能小于当前价
+            if (submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_OPEN_LESS) {
+                if (submitEntrustDto.getEntrustPrice().compareTo(newPirce) < 1) {
+                    return Result.fail("委托价不能小于当前价");
+                }
+            }
+
+            MemberWalletContractEntity walletContract = memberWalletContractDao.selectById(memberEntity.getId());
+            // 委托总额
+            BigDecimal entrustTotalAmount = submitEntrustDto.getEntrustPrice().multiply(BigDecimal.valueOf(submitEntrustDto.getSymbolCnt()));
+
+            BigDecimal lotNumber = cacheSettingUtils.getSymbolSku(submitEntrustDto.getSymbol());
+            // 保证金计算 -- 建仓价X规格X手数X(1/杠杆倍率)
+            BigDecimal bondAmount = entrustTotalAmount.multiply(lotNumber).multiply((BigDecimal.ONE.divide(BigDecimal.valueOf(submitEntrustDto.getLeverRatio()), 8, BigDecimal.ROUND_DOWN)));
+
+            if (entrustTotalAmount.add(bondAmount).compareTo(walletContract.getAvailableBalance()) > -1) {
+                return Result.fail("可用余额不足");
+            }
+
+            ContractEntrustOrderEntityMapper convert = ContractEntrustOrderEntityMapper.INSTANCE;
+            ContractEntrustOrderEntity entrustOrderEntity = convert.submitEntrustDtoToEntity(submitEntrustDto);
+            entrustOrderEntity.setMemberId(memberEntity.getId());
+            entrustOrderEntity.setBondAmount(bondAmount);
+            entrustOrderEntity.setSymbolSku(lotNumber);
+            // 暂默认逐仓
+            entrustOrderEntity.setPositionType(ContractEntrustOrderEntity.POSITION_TYPE_ADD);
+
+            int i = contractEntrustOrderDao.insert(entrustOrderEntity);
+
+            walletContract.setFrozenBalance(walletContract.getFrozenBalance().add(entrustTotalAmount.add(bondAmount)));
+            walletContract.setAvailableBalance(walletContract.getAvailableBalance().subtract(entrustTotalAmount.add(bondAmount)));
+
+            memberWalletContractDao.updateById(walletContract);
+            if (i > 0) {
+                return Result.ok("委托成功");
+            } else {
+                return Result.fail("委托失败");
+            }
         }
 
-        // 委托平仓
+        // 委托平仓 (全仓模式)
         if (submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_CLOSE_MORE || submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_CLOSE_LESS) {
-
+            return Result.fail("功能暂未开放,敬请期待");
         }
+
+        return Result.fail("未知错误");
+    }
+
+    @Override
+    public Result findEntrustOrderList() {
         return null;
     }
+
+    @Override
+    public Result cancelEntrustOrder(Long id) {
+        MemberEntity memberEntity = LoginUserUtils.getAppLoginUser();
+
+        // 查询该委托单是否为该用户所有
+        ContractEntrustOrderEntity entrustOrderEntity = contractEntrustOrderDao.selectEntrustOrderByIdAndMemberId(id, memberEntity.getId());
+        if (entrustOrderEntity == null) {
+            return Result.fail("该委托单不存在");
+        }
+
+        return null;
+    }
+
+
 }

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