package com.ruoyi.other.service.impl;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ruoyi.common.core.exception.ServiceException;
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import com.ruoyi.common.core.utils.GeodesyUtil;
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import com.ruoyi.other.mapper.ShopMapper;
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import com.ruoyi.other.api.domain.Shop;
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import com.ruoyi.other.service.ShopService;
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import com.ruoyi.other.vo.NearbyShopVO;
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import com.ruoyi.other.vo.ShopDetailVO;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import java.util.List;
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import java.util.Map;
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/**
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* <p>
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* 服务实现类
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* </p>
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*
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* @author luodangjia
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* @since 2024-11-20
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*/
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@Service
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public class ShopServiceImpl extends ServiceImpl<ShopMapper, Shop> implements ShopService {
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@Resource
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private ShopMapper shopMapper;
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@Override
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public List<NearbyShopVO> nearbyShopList(String longitude, String latitude) {
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return shopMapper.selectNearbyShopList(longitude,latitude);
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}
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@Override
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public ShopDetailVO getShopDetail(Integer shopId, String longitude, String latitude) {
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// 查询店铺详情
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ShopDetailVO shopDetailVO = shopMapper.selectShopDetail(shopId);
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if (shopDetailVO == null) {
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throw new ServiceException("查询店铺不存在");
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}
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// 计算距离
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if (shopDetailVO.getLongitude() != null && shopDetailVO.getLatitude() != null){
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String shopLocation = String.format("%s,%s", shopDetailVO.getLongitude(), shopDetailVO.getLatitude());
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String userLocation = String.format("%s,%s", longitude, latitude);
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Map<String, Double> distanceMap = GeodesyUtil.getDistance(userLocation, shopLocation);
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Double wGs84 = distanceMap.get("WGs84");
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shopDetailVO.setDistance(wGs84);
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}
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return shopDetailVO;
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}
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}
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