From 458ff544df46a0b03e891454698a256b35610f98 Mon Sep 17 00:00:00 2001
From: Helius <wangdoubleone@gmail.com>
Date: Tue, 11 Aug 2020 18:33:37 +0800
Subject: [PATCH] modify whole submit order

---
 src/main/java/com/xcong/excoin/modules/contract/service/impl/ContractHoldOrderServiceImpl.java |  131 ++++++++++++++++++++++++++++++++++++-------
 1 files changed, 108 insertions(+), 23 deletions(-)

diff --git a/src/main/java/com/xcong/excoin/modules/contract/service/impl/ContractHoldOrderServiceImpl.java b/src/main/java/com/xcong/excoin/modules/contract/service/impl/ContractHoldOrderServiceImpl.java
index 96fc875..37b45a5 100644
--- a/src/main/java/com/xcong/excoin/modules/contract/service/impl/ContractHoldOrderServiceImpl.java
+++ b/src/main/java/com/xcong/excoin/modules/contract/service/impl/ContractHoldOrderServiceImpl.java
@@ -7,6 +7,7 @@
 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.contants.AppContants;
 import com.xcong.excoin.common.enumerates.CoinTypeEnum;
 import com.xcong.excoin.common.enumerates.RabbitPriceTypeEnum;
 import com.xcong.excoin.common.response.Result;
@@ -86,7 +87,7 @@
 
     @Resource
     private MemberDao memberDao;
-    
+
     @Resource
     private FollowTraderInfoDao followTraderInfoDao;
     @Resource
@@ -96,6 +97,21 @@
     @Override
     public Result submitOrder(SubmitOrderDto submitOrderDto) {
         MemberEntity memberEntity = LoginUserUtils.getAppLoginUser();
+
+        // 判断当前对应的持仓/委托
+        if (memberEntity.getContractPositionType() == ContractEntrustOrderEntity.POSITION_TYPE_ADD) {
+            List<ContractHoldOrderEntity> holdList = contractHoldOrderDao.selectMemberHoldOrderByPositionType(ContractEntrustOrderEntity.POSITION_TYPE_ALL, memberEntity.getId());
+            List<ContractEntrustOrderEntity> entrustList = contractEntrustOrderDao.selectMemberEntrustOrderByPositionType(ContractEntrustOrderEntity.POSITION_TYPE_ALL, memberEntity.getId());
+            if (CollUtil.isNotEmpty(holdList) || CollUtil.isNotEmpty(entrustList)) {
+                return Result.fail("存在全仓订单,无法下单");
+            }
+        } else {
+            List<ContractHoldOrderEntity> holdList = contractHoldOrderDao.selectMemberHoldOrderByPositionType(ContractEntrustOrderEntity.POSITION_TYPE_ADD, memberEntity.getId());
+            List<ContractEntrustOrderEntity> entrustList = contractEntrustOrderDao.selectMemberEntrustOrderByPositionType(ContractEntrustOrderEntity.POSITION_TYPE_ADD, memberEntity.getId());
+            if (CollUtil.isNotEmpty(holdList) || CollUtil.isNotEmpty(entrustList)) {
+                return Result.fail("存在逐仓订单,无法下单");
+            }
+        }
 
         // 获取最新价
         BigDecimal newPrice = new BigDecimal(redisUtils.getString(CoinTypeConvert.convertToKey(submitOrderDto.getSymbol())));
@@ -123,10 +139,10 @@
             // 市场价*(1 - (点差/10000))
             openingPrice = newPrice.multiply(BigDecimal.ONE.subtract(spread.divide(new BigDecimal(10000)))).setScale(8, BigDecimal.ROUND_DOWN);
         } else {
-            return Result.fail("未知类型");
+            return Result.fail(MessageSourceUtils.getString("unknown_type"));
         }
-
         log.info("开仓价:{}", openingPrice);
+
         // 开仓手续费 建仓价*规格*手数*手续费率
         BigDecimal openFeePrice = openingPrice.multiply(lotNumber)
                 .multiply(new BigDecimal(submitOrderDto.getSymbolCnt()))
@@ -135,9 +151,7 @@
         log.info("开仓手续费:{}", openFeePrice);
 
         // 保证金 建仓价*规格*手数*(1/杠杆倍率)
-        BigDecimal bondAmount = openingPrice.multiply(lotNumber).multiply(new BigDecimal(submitOrderDto.getSymbolCnt()))
-                .multiply(BigDecimal.ONE.divide(new BigDecimal(submitOrderDto.getLeverRatio())))
-                .setScale(8, BigDecimal.ROUND_DOWN);
+        BigDecimal bondAmount = CalculateUtil.getBondAmount(openingPrice, lotNumber, submitOrderDto.getSymbolCnt(), submitOrderDto.getLeverRatio());
         log.info("保证金:{}", bondAmount);
 
         // 预付款为 --> 保证金+开仓手续费+平仓手续费 (开仓平仓手续费相同)
@@ -145,30 +159,40 @@
         log.info("预付款:{}", prePaymentAmount);
 
         if (prePaymentAmount.compareTo(walletContract.getAvailableBalance()) > -1) {
-            return Result.fail("可用金额不足");
+            // 可用余额不足
+            return Result.fail(MessageSourceUtils.getString("member_service_0085"));
+        }
+
+        boolean isOpenFollow = false;
+        FollowTraderInfoEntity tradeInfo = null;
+        if (memberEntity.getContractPositionType() == ContractEntrustOrderEntity.POSITION_TYPE_ALL) {
+            ContractHoldOrderEntity wholeHoldOrder = contractHoldOrderDao.selectWholeHoldOrderByOrderType(memberEntity.getId(), submitOrderDto.getOrderType());
+            // 判断当前是否存在全仓订单,若存在则直接合并,若不存在则创建订单
+            if (wholeHoldOrder != null) {
+                return mergeWholeHoldOrder(openingPrice, openFeePrice, newPrice, submitOrderDto, wholeHoldOrder, memberEntity);
+            }
+        } else {
+            // 仅在逐仓模式中启用带单,判断是否开启了带单
+            if (MemberEntity.IS_TRADER_Y.equals(memberEntity.getIsTrader())) {
+                tradeInfo = followTraderInfoDao.selectTraderInfoByMemberId(memberEntity.getId());
+                if (tradeInfo.getIsOpen().equals(FollowTraderInfoEntity.ISOPEN_Y)) {
+                    isOpenFollow = true;
+                }
+            }
         }
 
         // 预估强平价
         BigDecimal forceClosingPrice = CalculateUtil.getForceSetPrice(bondAmount, openingPrice, submitOrderDto.getSymbolCnt(), lotNumber, submitOrderDto.getOrderType(), memberEntity);
         log.info("强平价:{}", forceClosingPrice);
 
-        // 判断是否开启了带单
-        boolean isOpenFollow = false;
-        FollowTraderInfoEntity tradeInfo = null;
-        if (MemberEntity.IS_TRADER_Y.equals(memberEntity.getIsTrader())) {
-            tradeInfo = followTraderInfoDao.selectTraderInfoByMemberId(memberEntity.getId());
-            if (tradeInfo.getIsOpen().equals(FollowTraderInfoEntity.ISOPEN_Y)) {
-                isOpenFollow = true;
-            }
-        }
-
         ContractHoldOrderEntity holdOrderEntity = new ContractHoldOrderEntity();
         holdOrderEntity.setMemberId(memberEntity.getId());
         holdOrderEntity.setOrderNo(commonService.generateOrderNo(memberEntity.getId()));
-        holdOrderEntity.setPositionType(ContractEntrustOrderEntity.POSITION_TYPE_ADD);
+        holdOrderEntity.setPositionType(memberEntity.getContractPositionType());
         holdOrderEntity.setTradeType(ContractHoldOrderEntity.TRADE_TYPE_MARK);
         holdOrderEntity.setSymbol(submitOrderDto.getSymbol());
         holdOrderEntity.setSymbolCnt(submitOrderDto.getSymbolCnt());
+        holdOrderEntity.setSymbolCntSale(submitOrderDto.getSymbolCnt());
         holdOrderEntity.setSymbolSku(lotNumber);
         holdOrderEntity.setLeverRatio(submitOrderDto.getLeverRatio());
         holdOrderEntity.setForceClosingPrice(forceClosingPrice);
@@ -218,9 +242,46 @@
 
                 ThreadPoolUtils.sendFollowOrderTask(holdOrderEntity.getId());
             }
-            return Result.ok("提交成功");
+            // 提交成功
+            return Result.ok(MessageSourceUtils.getString("member_service_0024"));
         }
-        return Result.fail("提交失败");
+        // 提交失败
+        return Result.fail(MessageSourceUtils.getString("member_service_0067"));
+    }
+
+    /**
+     * 全仓模式--若当前已经存在持仓,则合并当前持仓
+     */
+    public Result mergeWholeHoldOrder(BigDecimal openPrice, BigDecimal openFeePrice, BigDecimal newPrice, SubmitOrderDto submitOrderDto, ContractHoldOrderEntity holdOrderEntity, MemberEntity memberEntity) {
+        BigDecimal totalPrice = openPrice.multiply(BigDecimal.valueOf(submitOrderDto.getSymbolCnt()));
+        // (当前开仓价*张数 + 原开仓价 * 原可平张数) / (张数 + 原可平张数)
+        BigDecimal newOpenPrice = totalPrice.add(holdOrderEntity.getOpeningPrice().multiply(BigDecimal.valueOf(holdOrderEntity.getSymbolCnt()))).divide(BigDecimal.valueOf(submitOrderDto.getSymbolCnt() + holdOrderEntity.getSymbolCntSale()), 8, BigDecimal.ROUND_DOWN);
+        // 规格
+        BigDecimal lotNumber = cacheSettingUtils.getSymbolSku(submitOrderDto.getSymbol());
+        // 保证金
+        BigDecimal bondAmount = CalculateUtil.getBondAmount(newOpenPrice, lotNumber, submitOrderDto.getSymbolCnt(), submitOrderDto.getLeverRatio());
+        // 预估强平价
+        BigDecimal forceSetPrice = CalculateUtil.getForceSetPrice(bondAmount, newOpenPrice, submitOrderDto.getSymbolCnt(), lotNumber, submitOrderDto.getOrderType(), memberEntity);
+
+        ContractOrderEntity contractOrderEntity = ContractHoldOrderEntityMapper.INSTANCE.holdOrderToOrder(holdOrderEntity);
+        contractOrderEntity.setBondAmount(bondAmount.add(openFeePrice));
+        contractOrderEntity.setForceClosingPrice(forceSetPrice);
+        contractOrderEntity.setOpeningPrice(openPrice);
+        contractOrderEntity.setSymbolCnt(submitOrderDto.getSymbolCnt());
+        contractOrderEntity.setOpeningTime(new Date());
+        contractOrderEntity.setMarkPrice(newPrice);
+
+        contractOrderDao.insert(contractOrderEntity);
+
+        holdOrderEntity.setSymbolCntSale(submitOrderDto.getSymbolCnt() + holdOrderEntity.getSymbolCntSale());
+        holdOrderEntity.setSymbolCnt(submitOrderDto.getSymbolCnt() + holdOrderEntity.getSymbolCnt());
+        holdOrderEntity.setForceClosingPrice(forceSetPrice);
+        holdOrderEntity.setBondAmount(bondAmount);
+        holdOrderEntity.setOpeningPrice(newOpenPrice);
+        holdOrderEntity.setOpeningFeeAmount(holdOrderEntity.getOpeningFeeAmount().add(openFeePrice));
+
+        contractHoldOrderDao.updateById(holdOrderEntity);
+        return Result.ok(MessageSourceUtils.getString("member_service_0024"));
     }
 
     @Override
@@ -350,9 +411,25 @@
             return Result.fail("可平张数不足");
         }
 
-        holdOrderEntity.setSymbolCntSale(holdOrderEntity.getSymbolCntSale() - wholeCloseOrderDto.getCount());
-        contractHoldOrderDao.updateById(holdOrderEntity);
-        return null;
+        // 判断当前持仓张数是否等于平仓张数,若等于则直接更新该订单为不可平状态,否则更新可平张数
+        if (wholeCloseOrderDto.getCount() == holdOrderEntity.getSymbolCntSale()) {
+            contractHoldOrderDao.updateHoldOrderIsCanClosingById(ContractHoldOrderEntity.ORDER_CAN_CLOSING_N, wholeCloseOrderDto.getId());
+        } else {
+            // 更新可平张数
+            holdOrderEntity.setSymbolCntSale(holdOrderEntity.getSymbolCntSale() - wholeCloseOrderDto.getCount());
+            contractHoldOrderDao.updateById(holdOrderEntity);
+        }
+
+        // 将待平张数放入缓存
+        redisUtils.set(AppContants.CLOSING_ORDER_PREFIX + holdOrderEntity.getId(), wholeCloseOrderDto.getCount());
+
+        // 发送平仓消息
+        List<Long> ids = new ArrayList<>();
+        ids.add(wholeCloseOrderDto.getId());
+        producer.sendCloseTrade(JSONObject.toJSONString(ids));
+
+        // 平仓成功
+        return Result.ok(MessageSourceUtils.getString("order_service_0044"));
     }
 
     @Override
@@ -709,6 +786,14 @@
     @Override
     public Result changePositionType() {
         MemberEntity member = LoginUserUtils.getAppLoginUser();
+
+        List<ContractHoldOrderEntity> list = contractHoldOrderDao.selectHoldOrderListByMemberId(member.getId());
+        List<ContractEntrustOrderEntity> entrustList = contractEntrustOrderDao.selectEntrustOrderListByMemberId(member.getId());
+
+        if (CollUtil.isNotEmpty(list) || CollUtil.isNotEmpty(entrustList)) {
+            return Result.fail("存在持仓/委托, 无法更改");
+        }
+
         Integer positionType = member.getContractPositionType() == ContractEntrustOrderEntity.POSITION_TYPE_ADD ? ContractEntrustOrderEntity.POSITION_TYPE_ALL : ContractEntrustOrderEntity.POSITION_TYPE_ADD;
         MemberEntity updateEntity = new MemberEntity();
         updateEntity.setContractPositionType(positionType);

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