package com.moral.api.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.moral.api.entity.UnitConversion;
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import com.moral.api.mapper.UnitConversionMapper;
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import com.moral.api.service.UnitConversionService;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.moral.constant.Constants;
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import com.moral.constant.RedisConstants;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.stereotype.Service;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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/**
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* <p>
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* 单位转换表 服务实现类
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* </p>
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*
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* @author moral
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* @since 2021-07-12
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*/
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@Service
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public class UnitConversionServiceImpl extends ServiceImpl<UnitConversionMapper, UnitConversion> implements UnitConversionService {
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@Autowired
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RedisTemplate redisTemplate;
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@Autowired
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UnitConversionMapper unitConversionMapper;
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@Override
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public String getFormula(Integer srcUnitId, Integer posUnitId, String sensorCode) {
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List<UnitConversion> unitConversions = redisTemplate.opsForList().range(RedisConstants.UNIT_CONVERSION, 0, -1);
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if (unitConversions == null) {
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QueryWrapper<UnitConversion> wrapper = new QueryWrapper();
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wrapper.eq("is_delete", Constants.NOT_DELETE);
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unitConversions = unitConversionMapper.selectList(wrapper);
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}
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List<UnitConversion> sensorConversion = new ArrayList<>();
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Iterator<UnitConversion> iterator = unitConversions.iterator();
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while (iterator.hasNext()) {
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UnitConversion unitConversion = iterator.next();
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if (unitConversion.getSensorCode() != null) {
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sensorConversion.add(unitConversion);
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iterator.remove();
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}
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}
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for (UnitConversion unitConversion : sensorConversion) {
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if (unitConversion.getOriginalUnitKey().equals(srcUnitId) && unitConversion.getTargetUnitKey().equals(posUnitId) && unitConversion.getSensorCode().equals(sensorCode))
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return unitConversion.getFormula();
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}
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for (UnitConversion unitConversion : unitConversions) {
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if (unitConversion.getOriginalUnitKey().equals(srcUnitId) && unitConversion.getTargetUnitKey().equals(posUnitId))
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return unitConversion.getFormula();
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}
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return null;
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}
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}
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