<?php
namespace app\components;
use Yii;
use yii\base\BaseObject;
    class SendLinkJob extends BaseObject implements \yii\queue\JobInterface {

    public $link;
    public $startAt;
    public $times;

    public function execute($queue)
    {
    if (! $this->isLinkValid()) {
    return false;
    }
    if (4 == $this->times) {
    return $this->sendToService();
    }

    $this->sendLink();
    Yii::$app->queue->delay($this->getDelay())->push(new SendLinkJob([
    'link'    => $this->link,
    'startAt' => $this->startAt,
    'times'   => ++$this->times,
    ]));
    }

    public function isLinkValid()
    {
    // ...
    return true;
    }

    public function sendLink()
    {
    // 发链接到客服端
    }

    public function sendToService()
    {
    // 发到客服
    }

    protected function getDelay()
    {
    switch ($this->times) {
    case 1 :
    return 180; /* 三分钟 */
    case 2 :
    return 120; /* 两分钟 */
    case 3 :
    return 120; // 两分钟
    }
    }
    }