package com.moral.api.service.impl;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.util.CollectionUtils;
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import org.springframework.util.ObjectUtils;
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import java.awt.geom.Point2D;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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import com.alibaba.fastjson.JSONArray;
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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.moral.api.entity.CruiserDTO;
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import com.moral.api.entity.ManageCoordinate;
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import com.moral.api.entity.ManageCoordinateDetail;
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import com.moral.api.mapper.ManageCoordinateDetailMapper;
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import com.moral.api.service.ManageCoordinateDetailService;
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import com.moral.util.DateUtils;
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/**
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* Description //todo
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*
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* @author swb
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* @ClassName ManageCoordinateDetailServiceImpl
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* @date 2024.06.19 09:23
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*/
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@Service
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@Slf4j
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public class ManageCoordinateDetailServiceImpl extends ServiceImpl<ManageCoordinateDetailMapper, ManageCoordinateDetail> implements ManageCoordinateDetailService {
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@Autowired
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private ManageCoordinateDetailMapper manageCoordinateDetailMapper;
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@Override
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@Transactional
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public void insertCoordinateDetail(String startTime,String endTime) {
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HashMap<String, Object> params = new HashMap<>();
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if (ObjectUtils.isEmpty(startTime)&&ObjectUtils.isEmpty(endTime)){
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//当前时间的前一天
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startTime = DateUtils.getDateStringOfDay(-1, DateUtils.yyyy_MM_dd_HH_mm_ss_EN);
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//获取当前时间
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endTime = DateUtils.getCurDate(DateUtils.yyyy_MM_dd_HH_mm_ss_EN);
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}
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params.put("startTime",startTime);
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params.put("endTime",endTime);
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//获取路段信息
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List<ManageCoordinate> coordinates = manageCoordinateDetailMapper.selectCoordinate();
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//获取走航车数据
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List<CruiserDTO> cruiserInfo = manageCoordinateDetailMapper.getCruiserInfo(params);
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cruiserInfo = cruiserInfo.stream().distinct().collect(Collectors.toList());
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List<ManageCoordinateDetail> result = new ArrayList<>();
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for (ManageCoordinate coordinate : coordinates) {
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String value = coordinate.getValue();
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if (!ObjectUtils.isEmpty(value)){
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List<Map<String, Object>> parse = (List<Map<String, Object>>) JSONArray.parse(value);
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for (int i = 0; i < cruiserInfo.size(); i++) {
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CruiserDTO cruiserDTO = cruiserInfo.get(i);
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if (ObjectUtils.isEmpty(cruiserDTO)){
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continue;
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}
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Double flyLat = cruiserDTO.getFlyLat();
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Double flyLon = cruiserDTO.getFlyLon();
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if (ObjectUtils.isEmpty(flyLat)||ObjectUtils.isEmpty(flyLon)){
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continue;
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}
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boolean inPolygon = isInPolygon(flyLon, flyLat, parse);
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if (inPolygon){
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LambdaQueryWrapper<ManageCoordinateDetail> wr = new LambdaQueryWrapper<>();
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wr.eq(ManageCoordinateDetail::getLongitude,flyLon);
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wr.eq(ManageCoordinateDetail::getLatitude,flyLat);
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List<ManageCoordinateDetail> manageCoordinateDetails = manageCoordinateDetailMapper.selectList(wr);
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if (ObjectUtils.isEmpty(manageCoordinateDetails)){
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ManageCoordinateDetail rsDTO = new ManageCoordinateDetail();
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rsDTO.setLatitude(flyLat);
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rsDTO.setLongitude(flyLon);
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rsDTO.setState("2");
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rsDTO.setCreateTime(new Date());
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rsDTO.setUpdateTime(new Date());
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rsDTO.setCoordinateId(coordinate.getCoordinateId());
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result.add(rsDTO);
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cruiserInfo.remove(i);
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i--;
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}
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}
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}
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}
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}
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if(!CollectionUtils.isEmpty(result)){
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this.saveBatch(result);
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// log.info(result.size()+"");
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}
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}
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/**
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* 判断当前位置是否在多边形区域内
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* @param
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* @param mapList 区域顶点
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* @return
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*/
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public static boolean isInPolygon(Double X,Double Y,List<Map<String, Object>> mapList){
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Point2D.Double point = new Point2D.Double(X, Y);
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List<Point2D.Double> pointList= new ArrayList<Point2D.Double>();
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for (Map<String, Object> param : mapList) {
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//纬度
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String lat = param.get("lat").toString();
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//经度
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String lng = param.get("lng").toString();
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Point2D.Double polygonPoint = new Point2D.Double(Double.parseDouble(lng),Double.parseDouble(lat));
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pointList.add(polygonPoint);
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}
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return IsPtInPoly(point,pointList);
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}
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/**
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* 判断点是否在多边形内，如果点位于多边形的顶点或边上，也算做点在多边形内，直接返回true
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* @param point 检测点
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* @param pts 多边形的顶点
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* @return 点在多边形内返回true,否则返回false
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*/
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public static boolean IsPtInPoly(Point2D.Double point, List<Point2D.Double> pts){
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int N = pts.size();
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boolean boundOrVertex = true; //如果点位于多边形的顶点或边上，也算做点在多边形内，直接返回true
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int intersectCount = 0;//cross points count of x
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double precision = 2e-10; //浮点类型计算时候与0比较时候的容差
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Point2D.Double p1, p2;//neighbour bound vertices
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Point2D.Double p = point; //当前点
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p1 = pts.get(0);//left vertex
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for(int i = 1; i <= N; ++i){//check all rays
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if(p.equals(p1)){
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return boundOrVertex;//p is an vertex
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}
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p2 = pts.get(i % N);
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if(p.x < Math.min(p1.x, p2.x) || p.x > Math.max(p1.x, p2.x)){
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p1 = p2;
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continue;
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}
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if(p.x > Math.min(p1.x, p2.x) && p.x < Math.max(p1.x, p2.x)){
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if(p.y <= Math.max(p1.y, p2.y)){
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if(p1.x == p2.x && p.y >= Math.min(p1.y, p2.y)){
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return boundOrVertex;
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}
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if(p1.y == p2.y){
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if(p1.y == p.y){
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return boundOrVertex;
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}else{//before ray
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++intersectCount;
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}
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}else{
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double xinters = (p.x - p1.x) * (p2.y - p1.y) / (p2.x - p1.x) + p1.y;
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if(Math.abs(p.y - xinters) < precision){
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return boundOrVertex;
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}
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if(p.y < xinters){
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++intersectCount;
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}
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}
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}
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}else{
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if(p.x == p2.x && p.y <= p2.y){
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Point2D.Double p3 = pts.get((i+1) % N);
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if(p.x >= Math.min(p1.x, p3.x) && p.x <= Math.max(p1.x, p3.x)){
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++intersectCount;
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}else{
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intersectCount += 2;
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}
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}
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}
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p1 = p2;
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}
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if(intersectCount % 2 == 0){//偶数在多边形外
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return false;
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} else { //奇数在多边形内
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return true;
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}
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}
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}
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