FRONTEND_MVC/modules/manager/controllers/SpyController.php

<?php
namespace manager\controllers;
use  Yii;

class SpyController extends BaseController
{
	const sleep = 60*5;
	const dead = 60*15;
	const kill = 60*25;
	const keylist = 'uactive';

    public function actionIndex()
    {
        return $this->redirect("news/list");
    }

    public function actionView()
    {
		$cache = Yii::$app->memcache;
		$user = Yii::$app->user->identity->profile->name;
		$id = Yii::$app->user->identity->profile->user_id;
		$mduser = $id;
		$uactive = $cache->get(self::keylist);
		$html = '';
		if( $uactive ){
			$uactive = unserialize($uactive);
			$html = $this->renderPartial('_item',['users'=>$uactive, 'obj'=>$this, 'id'=>$id]);
		}else{
			$html = '';
		}
        return $this->render("view", ['html'=>$html]);
    }

    public function actionTime($id)
    {
        return $this->render("time", ['id'=>$id, 'obj'=>$this]);
    }
    public function actionAuthorping()
    {
		$cache = Yii::$app->memcache;
		$user = Yii::$app->user->identity->profile->name;
		$id = Yii::$app->user->identity->profile->user_id;
		$mduser = $id;
		$ukey ='userlog_'.$id;
		$uactive = $cache->get(self::keylist);
		$html = '';
		$stat = 'start';
		if( $uactive ){
			$uactive = unserialize($uactive);
			if( isset($uactive[$mduser])){
				$old = $uactive[$mduser];
			}else{
				$old = null;
			}
			$uactive[$mduser] = ['name'=>$user, 'time' => time(), 'id' => $id];
			$cache->set( self::keylist, serialize($uactive), self::kill );
			$a = [];
			foreach($uactive as $userid => $data){
				if(  time()-$data['time'] < self::kill ){
					$a[$userid] = $data;
				}else{
					$xlog = $cache->get( 'userlog_'.$userid );
					if( $xlog ){
						$xlog = unserialize($xlog);
						$old = end($xlog);
						if( $old['stat'] != 'dead' ){
							$xlog[time()] = ['stat' => 'dead', 'time' => time()];
							$cache->set( 'userlog_'.$userid, serialize($xlog), 86400 );
						}
					}
				}
			}
			$uactive = $a;
			$html = $this->renderPartial('list',['users'=>$uactive, 'obj'=>$this, 'id'=>$id]);
		}else{
			$uactive = [];
			$uactive[$mduser] = ['name'=>$user, 'time' => time(), 'id' => $id];
			$cache->add( self::keylist, serialize($uactive), self::kill );
		}
		if( $old ){
			if(  time()-$old['time'] >= self::kill ){
				$stat = 'dead';
			}
			if(  time()-$old['time'] < self::kill && time()-$old['time'] >= self::dead){
				$stat = 'sleep';
			}
			if(  time()-$old['time'] < self::sleep ){
				$stat = 'good';
			}
		}
		$ulog = $cache->get( $ukey );
		if( $ulog ){
			$ulog = unserialize($ulog);
			$old = end($ulog);
			if( $old['stat'] != $stat ){
				$ulog[time()] = ['stat' => $stat, 'time' => time()];
				$cache->set( $ukey, serialize($ulog), 86400 );
			}
		}else{
				$ulog[time()] = ['stat' => 'start', 'time' => time()];
				$cache->add( $ukey, serialize($ulog), 86400 );
		}

        return json_encode( ['status'=>'ok', 'html'=>$html,  'count' =>count($uactive)] );
    }

}