package com.xcong.excoin.modules.contract.service.impl;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.xcong.excoin.common.LoginUserUtils;
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import com.xcong.excoin.common.enumerates.MemberWalletCoinEnum;
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import com.xcong.excoin.common.response.Result;
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import com.xcong.excoin.common.system.service.CommonService;
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import com.xcong.excoin.modules.contract.dao.ContractEntrustOrderDao;
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import com.xcong.excoin.modules.contract.dao.ContractOrderDao;
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import com.xcong.excoin.modules.contract.entity.ContractEntrustOrderEntity;
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import com.xcong.excoin.modules.contract.entity.ContractOrderEntity;
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import com.xcong.excoin.modules.contract.mapper.ContractEntrustOrderEntityMapper;
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import com.xcong.excoin.modules.contract.parameter.dto.SubmitEntrustDto;
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import com.xcong.excoin.modules.contract.parameter.vo.ContractEntrustVo;
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import com.xcong.excoin.modules.contract.service.ContractEntrustOrderService;
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import com.xcong.excoin.modules.member.dao.MemberWalletContractDao;
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import com.xcong.excoin.modules.member.entity.MemberEntity;
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import com.xcong.excoin.modules.member.entity.MemberWalletContractEntity;
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import com.xcong.excoin.utils.CacheSettingUtils;
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import com.xcong.excoin.utils.CoinTypeConvert;
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import com.xcong.excoin.utils.RedisUtils;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import javax.annotation.Resource;
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import java.math.BigDecimal;
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import java.util.List;
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/**
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* @author wzy
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* @date 2020-05-27
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**/
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@Slf4j
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@Service
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public class ContractEntrustOrderServiceImpl extends ServiceImpl<ContractEntrustOrderDao, ContractEntrustOrderEntity> implements ContractEntrustOrderService {
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@Resource
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private ContractEntrustOrderDao contractEntrustOrderDao;
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@Resource
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private MemberWalletContractDao memberWalletContractDao;
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@Resource
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private RedisUtils redisUtils;
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@Resource
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private CacheSettingUtils cacheSettingUtils;
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@Resource
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private ContractOrderDao contractOrderDao;
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@Resource
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private CommonService commonService;
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@Transactional(rollbackFor = Exception.class)
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@Override
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public Result addContractEntrustOrder(SubmitEntrustDto submitEntrustDto) {
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MemberEntity memberEntity = LoginUserUtils.getAppLoginUser();
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// 获取最新价
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BigDecimal newPrice = new BigDecimal(redisUtils.getString(CoinTypeConvert.convertToKey(submitEntrustDto.getSymbol())));
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// 委托开仓
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if (submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_OPEN_MORE || submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_OPEN_LESS) {
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// 开多委托价不能大于当前价
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if (submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_OPEN_MORE) {
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if (submitEntrustDto.getEntrustPrice().compareTo(newPrice) > -1) {
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return Result.fail("委托价不能大于当前价");
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}
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}
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// 开空委托价不能小于当前价
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if (submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_OPEN_LESS) {
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if (submitEntrustDto.getEntrustPrice().compareTo(newPrice) < 1) {
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return Result.fail("委托价不能小于当前价");
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}
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}
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MemberWalletContractEntity walletContract = memberWalletContractDao.selectById(memberEntity.getId());
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// 委托总额
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BigDecimal entrustTotalAmount = submitEntrustDto.getEntrustPrice().multiply(BigDecimal.valueOf(submitEntrustDto.getSymbolCnt())).setScale(8, BigDecimal.ROUND_DOWN);
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BigDecimal lotNumber = cacheSettingUtils.getSymbolSku(submitEntrustDto.getSymbol());
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// 保证金计算 -- 建仓价X规格X手数X（1/杠杆倍率）
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BigDecimal bondAmount = entrustTotalAmount.multiply(lotNumber).multiply((BigDecimal.ONE.divide(BigDecimal.valueOf(submitEntrustDto.getLeverRatio()), 8, BigDecimal.ROUND_DOWN)));
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if (entrustTotalAmount.add(bondAmount).compareTo(walletContract.getAvailableBalance()) > -1) {
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return Result.fail("可用余额不足");
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}
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ContractEntrustOrderEntityMapper convert = ContractEntrustOrderEntityMapper.INSTANCE;
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ContractEntrustOrderEntity entrustOrderEntity = convert.submitEntrustDtoToEntity(submitEntrustDto);
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entrustOrderEntity.setOrderNo(commonService.generateOrderNo(memberEntity.getId()));
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entrustOrderEntity.setMemberId(memberEntity.getId());
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entrustOrderEntity.setBondAmount(bondAmount);
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entrustOrderEntity.setSymbolSku(lotNumber);
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entrustOrderEntity.setEntrustAmount(entrustTotalAmount);
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// 暂默认逐仓
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entrustOrderEntity.setPositionType(ContractEntrustOrderEntity.POSITION_TYPE_ADD);
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int i = contractEntrustOrderDao.insert(entrustOrderEntity);
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walletContract.setFrozenBalance(walletContract.getFrozenBalance().add(entrustTotalAmount.add(bondAmount)));
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walletContract.setAvailableBalance(walletContract.getAvailableBalance().subtract(entrustTotalAmount.add(bondAmount)));
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memberWalletContractDao.updateById(walletContract);
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if (i > 0) {
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return Result.ok("委托成功");
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} else {
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return Result.fail("委托失败");
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}
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}
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// 委托平仓 (全仓模式)
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if (submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_CLOSE_MORE || submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_CLOSE_LESS) {
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return Result.fail("功能暂未开放,敬请期待");
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}
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return Result.fail("未知错误");
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}
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@Override
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public Result findEntrustOrderList() {
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MemberEntity memberEntity = LoginUserUtils.getAppLoginUser();
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List<ContractEntrustOrderEntity> list = contractEntrustOrderDao.selectEntrustOrderListByMemberId(memberEntity.getId());
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List<ContractEntrustVo> resultList = ContractEntrustOrderEntityMapper.INSTANCE.entityListToVoList(list);
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return Result.ok(resultList);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Result cancelEntrustOrder(Long id) {
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MemberEntity memberEntity = LoginUserUtils.getAppLoginUser();
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// 查询该委托单是否为该用户所有
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ContractEntrustOrderEntity entrustOrderEntity = contractEntrustOrderDao.selectEntrustOrderByIdAndMemberId(id, memberEntity.getId());
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if (entrustOrderEntity == null) {
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return Result.fail("该委托单不存在");
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}
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MemberWalletContractEntity walletContractEntity = memberWalletContractDao.findWalletContractByMemberIdAndSymbol(memberEntity.getId(), MemberWalletCoinEnum.WALLETCOINCODE.getValue());
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BigDecimal total = entrustOrderEntity.getEntrustAmount().add(entrustOrderEntity.getBondAmount());
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walletContractEntity.setAvailableBalance(walletContractEntity.getAvailableBalance().add(total));
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walletContractEntity.setFrozenBalance(walletContractEntity.getFrozenBalance().subtract(total));
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memberWalletContractDao.updateById(walletContractEntity);
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ContractOrderEntity orderEntity = ContractEntrustOrderEntityMapper.INSTANCE.entrustOrderToOrder(entrustOrderEntity);
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orderEntity.setTradeType(ContractOrderEntity.TRADE_TYPE_MARK_PRICE);
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orderEntity.setOrderType(ContractOrderEntity.ORDER_TYPE_CANCEL);
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int i = contractOrderDao.insert(orderEntity);
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contractEntrustOrderDao.deleteById(entrustOrderEntity.getId());
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if (i > 0) {
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return Result.ok("撤销成功");
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}
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return Result.fail("撤销失败");
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}
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@Override
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public List<ContractEntrustOrderEntity> selectEntrustOrderListByIds(List<Long> list) {
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return contractEntrustOrderDao.selectEntrustOrderListByIds(list);
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}
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}
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