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‘liusuyi’

2023-07-27 6b44b988edd13970fb982284799eaa4593002d89

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package com.ruoyi.app.position.service.impl;
 
import com.ruoyi.app.position.domain.ArdAppPosition;
import com.ruoyi.app.position.service.IArdAppPositionService;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.utils.spring.SpringUtils;
import com.ruoyi.utils.websocket.util.WebSocketUtils;
import com.ruoyi.system.service.ISysUserService;
import org.springframework.stereotype.Component;
 
import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import javax.websocket.Session;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
 
/**
 * @Description: app位置推送
 * @ClassName: AppPositionPush
 * @Author: 刘苏义
 * @Date: 2023年07月25日16:07:04
 * @Version: 1.0
 **/
public class AppPositionPush {
 
    //app位置上传
    public static final ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(20);
    public static final Map<Session, ScheduledFuture<?>> taskMap = new HashMap<>();
    public static final Map<String, List<ArdAppPosition>> defaultDataMap = new HashMap<>();//默认会话发送数据map
 
    // 初始定时任务，根据用户设置的频率定期推送实时位置信息
    public  static void initPushTask(String userId,Session session, int pushFrequency) {
        defaultDataMap.put(userId,getAppPositionList());
        // 启动新的定时任务
        if (pushFrequency > 0) {
            scheduler.scheduleAtFixedRate(() -> {
                List<ArdAppPosition> appPositionList = defaultDataMap.get(userId);
                Map newMap = new HashMap<>();
                newMap.put("50000", appPositionList);
                WebSocketUtils.sendMessage(session, newMap);
            }, 0, pushFrequency, TimeUnit.MILLISECONDS);
        }
    }
 
    // 新的定时任务，根据用户设置的频率定期推送实时位置信息
    public static void startLocationPushTask(String userId, Session session,String guideUserId, int pushFrequency) {
        // 取消之前设置的定时任务
        stopLocationPushTask(session);
        // 启动新的定时任务
        if (pushFrequency > 0) {
            ScheduledFuture<?> task = ScheduledFutureTask(session, userId,guideUserId, pushFrequency);
            taskMap.put(session, task); // 存储新的定时任务
        }
    }
 
    public static ScheduledFuture<?> ScheduledFutureTask(Session session, String userId,String guideUserId, Integer pushFrequency) {
        return scheduler.scheduleAtFixedRate(() -> {
            List<ArdAppPosition> appPositionList = getAppPositionList().stream()
                    .filter(obj -> obj.getUserId().equals(guideUserId))
                    .collect(Collectors.toList());
            Map newMap = new HashMap<>();
            newMap.put("50000", appPositionList);
            WebSocketUtils.sendMessage(session, newMap);
        }, 0, pushFrequency, TimeUnit.MILLISECONDS);
    }
 
    //取消定时任务
    public static void stopLocationPushTask(Session session) {
        ScheduledFuture<?> scheduledTask = taskMap.get(session);
        if (scheduledTask != null) {
            scheduledTask.cancel(false);
        }
    }
 
    //查询所有app用户的位置信息
    public static List<ArdAppPosition> getAppPositionList() {
        List<ArdAppPosition>ArdAppPositions = new ArrayList<>();
        ISysUserService sysUserService = SpringUtils.getBean(ISysUserService.class);
        //获取所有app用户
        List<SysUser> list = sysUserService.selectAllAppUserList(new SysUser());
        for (SysUser sysUser : list) {
            IArdAppPositionService ardAppPositionService = SpringUtils.getBean(IArdAppPositionService.class);
            ArdAppPosition ardAppPosition = ardAppPositionService.selectLastArdAppPositionByUserId(sysUser.getUserId());
            ArdAppPositions.add(ardAppPosition);
        }
        return ArdAppPositions;
    }
}