基于若依ruoyi-nbcio增加flowable流程待办消息的提醒，并提供右上角的红字数字提醒（三）

package com.ruoyi.common.redis.listener;
import com.ruoyi.common.base.BaseMap;
/**
 *  自定义消息监听
 *  @author nbacheng
 *  @date 2023-09-20
 */
public interface NbcioRedisListener {
  void onMessage(BaseMap message);
}

package com.ruoyi.common.websocket;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.ruoyi.common.base.BaseMap;
import com.ruoyi.common.constant.CommonSendStatus;
import com.ruoyi.common.redis.listener.NbcioRedisListener;
import cn.hutool.core.util.ObjectUtil;
import lombok.extern.slf4j.Slf4j;
/**
 * 监听消息(采用redis发布订阅方式发送消息)
 */
@Slf4j
@Component
public class SocketHandler implements NbcioRedisListener {
    @Autowired
    private WebSocketServer webSocket;
    @Override
    public void onMessage(BaseMap map) {
        log.info("【SocketHandler消息】Redis Listerer:" + map.toString());
        String userId = map.get("userId");
        String message = map.get("message");
        if (ObjectUtil.isNotEmpty(userId)) {
            webSocket.pushMessage(userId, message);
            //app端消息推送
            webSocket.pushMessage(userId+CommonSendStatus.APP_SESSION_SUFFIX, message);
        } else {
            webSocket.pushMessage(message);
        }
    }

package com.ruoyi.flowable.listener;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.flowable.common.engine.api.delegate.event.FlowableEngineEventType;
import org.flowable.common.engine.api.delegate.event.FlowableEvent;
import org.flowable.common.engine.api.delegate.event.FlowableEventListener;
import org.flowable.common.engine.api.delegate.event.FlowableEventType;
import org.flowable.engine.HistoryService;
import org.flowable.engine.RepositoryService;
import org.flowable.engine.TaskService;
import org.flowable.engine.history.HistoricProcessInstance;
import org.flowable.task.service.impl.persistence.entity.TaskEntity;
import org.springframework.stereotype.Component;
import com.ruoyi.common.core.service.CommonService;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.model.LoginUser;
import javax.annotation.Resource;
/**
 * 全局监听-工作流待办消息提醒
 *
 * @author nbacheng
 */
@Slf4j
@Component
@RequiredArgsConstructor
public class TaskCreateListener implements FlowableEventListener {
  
    private final TaskService taskService;
    
    @Resource
    private CommonService commonService;
    
    @Resource
  protected RepositoryService repositoryService;
  
  @Resource
    protected HistoryService historyService;
     
    @Override
    public void onEvent(FlowableEvent flowableEvent) {
      FlowableEventType type = flowableEvent.getType();
      if (type == FlowableEngineEventType.TASK_ASSIGNED) { 
        if(flowableEvent instanceof org.flowable.engine.delegate.event.impl.FlowableEntityEventImpl ) {
          TaskEntity taskEntity = (TaskEntity) ((org.flowable.engine.delegate.event.impl.FlowableEntityEventImpl) flowableEvent).getEntity();
          String taskId = taskEntity.getId();
              String procInsId = taskEntity.getProcessInstanceId();
              HistoricProcessInstance historicProcessInstance = historyService.createHistoricProcessInstanceQuery()
                      .processInstanceId(procInsId)
                      .singleResult();
          String businessKey =  historicProcessInstance.getBusinessKey();
          String deployId = historicProcessInstance.getDeploymentId();
          String startUserId = historicProcessInstance.getStartUserId();
              //获取任务接收人
          String receiver = taskEntity.getAssignee();
              if (StringUtils.isNotEmpty(receiver)) {
                  //发送提醒消息
                String category = "";
                if(taskService.getVariables(taskId).get("category") != null) {
                  category = taskService.getVariables(taskId).get("category").toString();
                }
            
                LoginUser loginUser = commonService.getLoginUser();
                String taskMessageUrl;
                if(StringUtils.isNotBlank(businessKey)) {
                taskMessageUrl = "<a href=" + commonService.getBaseUrl() + "?procInsId=" + procInsId + "&deployId=" 
                                + deployId + "&taskId=" + taskId + "&businessKey=" + businessKey + "&category=" + category
                                + "&finished=true" + ">点击这个进行处理</a>" ;
              }
              else {
                taskMessageUrl = "<a href=" + commonService.getBaseUrl() + "?procInsId=" + procInsId + "&deployId=" 
                            + deployId + "&taskId=" + taskId + "&businessKey" + "&category=" + category + "&finished=true" + ">点击这个进行处理</a>" ;
              }
                String msgContent = "流程待办通知" + taskMessageUrl;
                if(!StringUtils.equals(startUserId, receiver) || !StringUtils.equals((loginUser.getUserId()).toString(),receiver)) {//发起人或登录人自己不发送
                  log.info("流程待办通知给:" + receiver);
                  commonService.sendSysNotice(loginUser.getUserId().toString(), receiver, "流程待办通知", msgContent, Constants.MSG_CATEGORY_3);//setMsgCategory=3是待办
                }
              }
        }
      } 
    }
    @Override
    public boolean isFailOnException() {
        return false;
    }
    @Override
    public boolean isFireOnTransactionLifecycleEvent() {
        return false;
    }
    @Override
    public String getOnTransaction() {
        return null;
    }
}