修改app从融云获取用户在线状态（有状态变化再更新数据库）

‘liusuyi’

2023-08-24 a6c3b8e6eb7a0d48649cfa93487532e62c353d37

 ard-work/src/main/java/com/ruoyi/alarm/global/service/impl/GlobalAlarmServiceImpl.java

@@ -49,6 +49,7 @@
import javax.annotation.Resource;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

@@ -679,7 +680,6 @@
                log.info("相机:" + cameraId + "未开启报警引导功能");
                return;
            }

            SimpleDateFormat fmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
            GuideTask guideTask = new GuideTask();
            //相机ID
@@ -737,35 +737,45 @@
     */
    private String getNearbyCamera(double[] targetPosition) {
        String minDistanceCameraId = "";
        //获取所有大光电
        List<ArdCameras> ardCamerasList = ardCamerasMapper.selectArdCamerasList(new ArdCameras("1"));
        //统计所有大光电可视范围内与报警点的距离
        Map<String, Double> distanceMap = new HashMap<>();
        Map<String, Integer> guideMap = new HashMap<>();
        for (ArdCameras camera : ardCamerasList) {
            double[] camPosition = new double[]{camera.getLongitude(), camera.getLatitude()};
            double distance = GisTool.getDistance(targetPosition, camPosition);
            if (distance != 0.0 && distance <= camera.getCamMaxVisibleDistance()) {
                distanceMap.put(camera.getId(), distance);
                if (StringUtils.isNull(camera.getCamAlarmGuideEnable())) {
                    camera.setCamAlarmGuideEnable(0);
        try {
            //获取所有大光电
            List<ArdCameras> ardCamerasList = ardCamerasMapper.selectArdCamerasList(new ArdCameras("1"));
            //统计所有大光电可视范围内与报警点的距离
            Map<String, Double> distanceMap = new HashMap<>();
            Map<String, Integer> guideMap = new HashMap<>();
            for (ArdCameras camera : ardCamerasList) {
                if (camera.getCamMaxVisibleDistance() == null) {
                    continue;
                }
                guideMap.put(camera.getId(), camera.getCamAlarmGuideEnable());
                double[] camPosition = new double[]{camera.getLongitude(), camera.getLatitude()};
                double distance = GisTool.getDistance(targetPosition, camPosition);
                if (distance != 0.0 && distance <= camera.getCamMaxVisibleDistance()) {
                    distanceMap.put(camera.getId(), distance);
                    if (StringUtils.isNull(camera.getCamAlarmGuideEnable())) {
                        camera.setCamAlarmGuideEnable(0);
                    }
                    guideMap.put(camera.getId(), camera.getCamAlarmGuideEnable());
                }
            }
            if (distanceMap.size() > 0) {
                log.debug("尝试查找最近光电");
                //获取距离字典中最近的一个相机ID
                minDistanceCameraId = ArdTool.getKeyByMinValue(distanceMap);
                log.debug("查找到最近光电:" + minDistanceCameraId);
                if (guideMap.get(minDistanceCameraId).equals(0)) {
                    log.debug("该光电未开启报警引导");
                    return " ";
                }
            }
        }
        if (distanceMap.size() > 0) {
            log.debug("尝试查找最近光电");
            //获取距离字典中最近的一个相机ID
            minDistanceCameraId = ArdTool.getKeyByMinValue(distanceMap);
            log.debug("查找到最近光电:" + minDistanceCameraId);
            if (guideMap.get(minDistanceCameraId).equals(0)) {
                log.debug("该光电未开启报警引导");
                return " ";
            }
        catch (Exception ex)
        {
            log.error("获取附近开启报警引导功能光电异常:"+ex.getMessage());
        }
        return minDistanceCameraId;
    }


    /**
     * 雷达引导入队
     */