package com.gkhy.fourierSpecialGasMonitor.service.impl;
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import com.gkhy.fourierSpecialGasMonitor.commons.domain.Result;
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import com.gkhy.fourierSpecialGasMonitor.commons.domain.SearchResult;
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import com.gkhy.fourierSpecialGasMonitor.commons.enums.ResultCode;
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import com.gkhy.fourierSpecialGasMonitor.commons.exception.BusinessException;
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import com.gkhy.fourierSpecialGasMonitor.commons.model.PageQuery;
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import com.gkhy.fourierSpecialGasMonitor.entity.*;
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import com.gkhy.fourierSpecialGasMonitor.entity.query.FindGasWarnLogPageQuery;
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import com.gkhy.fourierSpecialGasMonitor.entity.query.FindGasWarnUserPageQuery;
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import com.gkhy.fourierSpecialGasMonitor.entity.query.GasAtmospherePageQuery;
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import com.gkhy.fourierSpecialGasMonitor.entity.query.GasPageQuery;
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import com.gkhy.fourierSpecialGasMonitor.entity.req.GasConcentrationExportBO;
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import com.gkhy.fourierSpecialGasMonitor.entity.req.SummaryStatsReqDTO;
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import com.gkhy.fourierSpecialGasMonitor.entity.resp.FindGasWarnUserPageRespDTO;
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import com.gkhy.fourierSpecialGasMonitor.entity.resp.SummaryStatsPageRespDTO;
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import com.gkhy.fourierSpecialGasMonitor.enums.DeleteStatusEnum;
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import com.gkhy.fourierSpecialGasMonitor.repository.GasConcentrationRepository;
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import com.gkhy.fourierSpecialGasMonitor.service.GasConcentrationService;
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import com.gkhy.fourierSpecialGasMonitor.utils.SummaryUtils;
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import io.micrometer.core.instrument.util.StringUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.domain.Page;
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import org.springframework.data.domain.PageRequest;
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import org.springframework.data.domain.Pageable;
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import org.springframework.data.domain.Sort;
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import org.springframework.data.jpa.domain.Specification;
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import org.springframework.stereotype.Service;
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import javax.persistence.criteria.*;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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import java.time.Year;
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import java.time.YearMonth;
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import java.time.format.DateTimeFormatter;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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@Service
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public class GasConcentrationServiceImpl implements GasConcentrationService {
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@Autowired
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private GasConcentrationRepository gasConcentrationRepository;
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@Override
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public GasConcentration save(GasConcentration gasConcentration) {
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return gasConcentrationRepository.save(gasConcentration);
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}
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@Override
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public GasConcentration getLastData() {
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GasConcentration gasConcentration = gasConcentrationRepository.findTopByOrderByDataReceivingTimeDesc();
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return gasConcentration;
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}
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@Override
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public List<GasConcentration> listDatabyTimeSlot(LocalDateTime startTime, LocalDateTime endTime) {
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if (startTime == null || endTime == null)
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throw new BusinessException(this.getClass(), ResultCode.PARAM_ERROR_NULL.getCode(),"时间区段值不能为空");
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Specification<GasConcentration> specification = new Specification<GasConcentration>() {
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@Override
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public Predicate toPredicate(Root root, CriteriaQuery query, CriteriaBuilder criteriaBuilder) {
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Set<Predicate> predicateList = new HashSet<>();
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predicateList.add(criteriaBuilder.between(root.get("time").as(LocalDateTime.class),startTime,endTime));
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return criteriaBuilder.and(predicateList.toArray(new Predicate[predicateList.size()]));
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}
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};
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List<GasConcentration> gasConcentrations = gasConcentrationRepository.findAll(specification);
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return gasConcentrations;
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}
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@Override
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public Page<GasConcentration> listDatabyTimeSlotAndPositionAndPage(PageQuery<GasPageQuery> pageQuery) {
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Pageable pageable = PageRequest.of(pageQuery.getPageIndex()-1, pageQuery.getPageSize(), Sort.Direction.DESC, "time");
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Specification<GasConcentration> specification = new Specification<GasConcentration>() {
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@Override
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public Predicate toPredicate(Root root, CriteriaQuery query, CriteriaBuilder criteriaBuilder) {
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Set<Predicate> predicateList = new HashSet<>();
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GasPageQuery searchParams = pageQuery.getSearchParams();
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if (searchParams != null && searchParams.getPosition() != null){
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predicateList.add(criteriaBuilder.equal(root.get("position").as(Integer.class),searchParams.getPosition()));
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}
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if (searchParams != null && searchParams.getStartTime() != null && searchParams.getEndTime() != null){
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predicateList.add(criteriaBuilder.between(root.get("time").as(LocalDateTime.class),searchParams.getStartTime(),searchParams.getEndTime()));
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}
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return criteriaBuilder.and(predicateList.toArray(new Predicate[predicateList.size()]));
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}
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};
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Page<GasConcentration> pageResult = gasConcentrationRepository.findAll(specification,pageable);
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return pageResult;
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}
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@Override
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public Page<GasConcentration> gasAtmospherePage(PageQuery<GasAtmospherePageQuery> pageQuery) {
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Pageable pageable = PageRequest.of(pageQuery.getPageIndex()-1, pageQuery.getPageSize(), Sort.Direction.DESC, "time");
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Specification<GasConcentration> specification = new Specification<GasConcentration>() {
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@Override
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public Predicate toPredicate(Root root, CriteriaQuery query, CriteriaBuilder criteriaBuilder) {
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Set<Predicate> predicateList = new HashSet<>();
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GasAtmospherePageQuery searchParams = pageQuery.getSearchParams();
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if (searchParams != null && searchParams.getStartTime() != null && searchParams.getEndTime() != null){
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predicateList.add(criteriaBuilder.between(root.get("time").as(LocalDateTime.class),searchParams.getStartTime(),searchParams.getEndTime()));
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}
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return criteriaBuilder.and(predicateList.toArray(new Predicate[predicateList.size()]));
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}
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};
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Page<GasConcentration> pageResult = gasConcentrationRepository.findAll(specification,pageable);
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return pageResult;
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}
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@Override
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public List<GasConcentration> listDatabyTimeSlotAndPosition(LocalDateTime startTime, LocalDateTime endTime, Integer position) {
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if (startTime == null || endTime == null)
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throw new BusinessException(this.getClass(), ResultCode.PARAM_ERROR_NULL.getCode(),"时间区段值不能为空");
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Specification<GasConcentration> specification = new Specification<GasConcentration>() {
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@Override
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public Predicate toPredicate(Root root, CriteriaQuery query, CriteriaBuilder criteriaBuilder) {
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Set<Predicate> predicateList = new HashSet<>();
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if (position != null){
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predicateList.add(criteriaBuilder.equal(root.get("position").as(Integer.class),position));
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}
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predicateList.add(criteriaBuilder.between(root.get("time").as(LocalDateTime.class),startTime,endTime));
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return criteriaBuilder.and(predicateList.toArray(new Predicate[predicateList.size()]));
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}
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};
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List<GasConcentration> gasConcentrations = gasConcentrationRepository.findAll(specification);
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return gasConcentrations;
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}
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@Override
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public List<GasConcentration> gasConcentrationExport(GasConcentrationExportBO gasConcentrationExportBO) {
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if(gasConcentrationExportBO.getPosition1() == null && gasConcentrationExportBO.getPosition2() == null
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&& gasConcentrationExportBO.getPosition3() == null){
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gasConcentrationExportBO.setPosition1(1);
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gasConcentrationExportBO.setPosition2(2);
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gasConcentrationExportBO.setPosition3(3);
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}
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//封装查询参数
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Specification<GasConcentration> specification = new Specification<GasConcentration>() {
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@Override
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public Predicate toPredicate(Root<GasConcentration> root, CriteriaQuery<?> query, CriteriaBuilder criteriaBuilder) {
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List<Predicate> predicateList = new ArrayList<>();
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if (gasConcentrationExportBO.getStartTime() != null && !gasConcentrationExportBO.getStartTime().equals("")){
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predicateList.add(criteriaBuilder.greaterThanOrEqualTo(root.get("time"), gasConcentrationExportBO.getStartTime()));
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}
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if (gasConcentrationExportBO.getEndTime() != null && !gasConcentrationExportBO.getEndTime().equals("")){
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predicateList.add(criteriaBuilder.lessThanOrEqualTo(root.get("time"), gasConcentrationExportBO.getEndTime()));
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}
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predicateList.add(criteriaBuilder.or(
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criteriaBuilder.equal(root.get("position"), gasConcentrationExportBO.getPosition1()),
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criteriaBuilder.equal(root.get("position"), gasConcentrationExportBO.getPosition2()),
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criteriaBuilder.equal(root.get("position"), gasConcentrationExportBO.getPosition3())
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)
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);
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query.orderBy(criteriaBuilder.asc(root.get("time")),criteriaBuilder.asc(root.get("position")));
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return criteriaBuilder.and(predicateList.toArray(new Predicate[0]));
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}
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};
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List<GasConcentration> result = gasConcentrationRepository.findAll(specification);
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return result;
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}
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@Override
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public SummaryStats findStats(LocalDateTime startTime,LocalDateTime endTime) {
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return gasConcentrationRepository.findStats(startTime,endTime);
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}
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@Override
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public Result gasAtmosphereExtremum(SummaryStatsReqDTO reqDTO) {
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Result success = Result.success();
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// 1. 参数校验
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SummaryUtils summaryUtils = new SummaryUtils();
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summaryUtils.validateParams(reqDTO);
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String type = reqDTO.getType(); // 气体类型（如 "temp"、"humidity"）
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Integer dateType = reqDTO.getDateType(); // 时间粒度（1-日、2-月、3-年）
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String date = reqDTO.getDate(); // 日期（如 "2025-11-10"、"2025-11"、"2025"）
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// 2. 根据 dateType 解析时间范围
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LocalDateTime startTime = null;
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LocalDateTime endTime = null;
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String formatDate = null; // 格式化后的日期（用于返回）
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switch (dateType) {
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case 1: // 日查询（date格式：yyyy-MM-dd）
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LocalDate day = LocalDate.parse(date);
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startTime = day.atStartOfDay(); // 当天00:00:00
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endTime = day.atTime(23, 59, 59); // 当天23:59:59
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formatDate = day.format(DateTimeFormatter.ISO_LOCAL_DATE);
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break;
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case 2: // 月查询（date格式：yyyy-MM）
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YearMonth month = YearMonth.parse(date);
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startTime = month.atDay(1).atStartOfDay(); // 当月1日00:00:00
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endTime = month.atEndOfMonth().atTime(23, 59, 59); // 当月最后一天23:59:59
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formatDate = month.format(DateTimeFormatter.ofPattern("yyyy-MM"));
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break;
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case 3: // 年查询（date格式：yyyy）
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Year year = Year.parse(date);
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startTime = year.atDay(1).atStartOfDay(); // 当年1月1日00:00:00
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endTime = year.atMonth(12).atEndOfMonth().atTime(23, 59, 59); // 当年12月最后一天23:59:59
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formatDate = year.toString();
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break;
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default:
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throw new BusinessException(this.getClass(), ResultCode.PARAM_ERROR_ILLEGAL.getCode(),"无效的dateType，必须为1（日）、2（月）、3（年）");
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}
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// 3. 动态查询指定类型和时间范围的统计值
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SummaryStatsPageRespDTO summaryStatsByTypeAndTimeRange = gasConcentrationRepository.findSummaryStatsByTypeAndTimeRange(type, startTime, endTime);
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success.setData(summaryStatsByTypeAndTimeRange);
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// 5. 返回结果
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return success;
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}
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}
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