package com.xiaopeng.operation.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.xiaopeng.api.model.operation.XpPoint;
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import com.xiaopeng.operation.dto.NearestDto;
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import com.xiaopeng.operation.mapper.XpPointMapper;
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import com.xiaopeng.operation.service.XpPointService;
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import com.xiaopeng.operation.utils.map.FastDistanceCalculator;
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import com.xiaopeng.operation.vo.NearestNextVo;
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import com.xiaopeng.operation.vo.NearestVo;
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import org.springframework.stereotype.Service;
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import java.util.ArrayList;
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import java.util.Comparator;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* <p>
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* 点位管理 服务实现类
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* </p>
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*
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* @author liu
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* @since 2026-02-03
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*/
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@Service
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public class XpPointServiceImpl extends ServiceImpl<XpPointMapper, XpPoint> implements XpPointService {
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@Override
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public NearestVo nearest(NearestDto dto) {
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// 获取所有的站点信息
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List<XpPoint> list = list(new LambdaQueryWrapper<XpPoint>().eq(XpPoint::getOperationStatus,1));
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NearestVo nearestVo = new NearestVo();
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List<NearestNextVo> nearestNextVos = new ArrayList<>();
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for (XpPoint xpPoint : list) {
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// 计算距离 小于1000m的站点
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double v = FastDistanceCalculator.distanceFast(dto.getLatitude(), dto.getLongitude(), xpPoint.getPointLat(), xpPoint.getPointLon());
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if(v<1000){
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NearestNextVo nearestNextVo = new NearestNextVo();
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nearestNextVo.setId(xpPoint.getId());
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nearestNextVo.setName(xpPoint.getPointName());
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nearestNextVo.setLatitude(xpPoint.getPointLat());
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nearestNextVo.setLongitude(xpPoint.getPointLon());
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nearestNextVo.setDistance(v);
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nearestNextVo.setAddress(xpPoint.getPointAddress());
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nearestNextVo.setTime(xpPoint.getParkingTimeLimit());
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nearestNextVos.add(nearestNextVo);
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}
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}
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if(!nearestNextVos.isEmpty()){
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nearestNextVos = nearestNextVos.stream().sorted(Comparator.comparing(NearestNextVo::getDistance)).collect(Collectors.toList());
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}
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nearestVo.setPoints(nearestNextVos);
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nearestVo.setTotal(nearestNextVos.size());
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return nearestVo;
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}
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}
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