package com.yami.trading.service.future;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.yami.trading.bean.future.domain.FuturesPara;
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import com.yami.trading.dao.future.FuturesParaMapper;
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import org.apache.commons.collections.CollectionUtils;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.math.BigDecimal;
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import java.math.RoundingMode;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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/**
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* 交割合约管理Service
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*
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* @author lucas
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* @version 2023-04-08
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*/
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@Service
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@Transactional
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// todo cache
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public class FuturesParaService extends ServiceImpl<FuturesParaMapper, FuturesPara> {
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public List<FuturesPara> getBySymbolSort(String symbol) {
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QueryWrapper<FuturesPara> queryWrapper = new QueryWrapper<>();
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queryWrapper.eq("symbol", symbol);
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List<FuturesPara> list = list(queryWrapper);
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return sortPara(list);
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}
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private List<FuturesPara> sortPara(List<FuturesPara> list) {
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if (CollectionUtils.isEmpty(list))
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return list;
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// 列表按 s，m，h，d 排序
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String[] regulation = {FuturesPara.TIMENUM_SECOND, FuturesPara.TIMENUM_MINUTE, FuturesPara.TIMENUM_HOUR,
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FuturesPara.TIMENUM_DAY};
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final List<String> regulationOrder = Arrays.asList(regulation);
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Collections.sort(list, new Comparator<FuturesPara>() {
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@Override
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public int compare(FuturesPara o1, FuturesPara o2) {
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// TODO Auto-generated method stub
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int unitSort = regulationOrder.indexOf(o1.getTimeunit()) - regulationOrder.indexOf(o2.getTimeunit());
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int timeSort = (int) (o1.getTimenum() - o2.getTimenum());
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return unitSort == 0 ? timeSort : unitSort;
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}
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});
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return list;
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}
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public FuturesPara bulidOne(FuturesPara futuresPara) {
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BigDecimal profitRatio = futuresPara.getProfitRatio();
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BigDecimal profitRatioMax = futuresPara.getProfitRatioMax();
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BigDecimal val = new BigDecimal("0.01");
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int scale = 0;
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if (profitRatio.compareTo(val) < 0 || profitRatioMax.compareTo(val) < 0) {
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scale = 1;
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}
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String profitRatioFront = profitRatio.setScale(scale, RoundingMode.HALF_UP) + "-" + profitRatioMax.setScale(scale, RoundingMode.HALF_UP);
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futuresPara.setProfitRatioFront(profitRatioFront);
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BigDecimal unitMaxAmount = futuresPara.getUnitMaxAmount().compareTo(BigDecimal.ZERO)<= 0?null: futuresPara.getUnitMaxAmount();
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futuresPara.setBuyMin(new BigDecimal(futuresPara.getUnitAmount()));
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futuresPara.setBuyMax(unitMaxAmount);
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return futuresPara;
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}
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}
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