ManifestAction.php

<?php

namespace mdm\tools;

use Yii;

/**
 * Description of ManifestAction
 *
 * @author MDMunir
 */
class ManifestAction extends \yii\base\Action
{

    public function run($id, $forceUpdate = false)
    {
        $keyCache = [AppCache::CACHE_KEY, $id];
        if (($cache = Yii::$app->cache) && ($data = $cache->get($keyCache)) !== false) {
            $key = [AppCache::CACHE_KEY, $id];
            $key[] = !empty($data['uniqueForClient']) && isset(Yii::$app->clientUniqueid) ? Yii::$app->clientUniqueid : false;
            $key[] = !empty($data['uniqueForUser']) ? Yii::$app->user->getId() : false;

            $time = $forceUpdate === false ? $cache->get($key) : false;
            if ($time === false) {
                $time = date('Y-m-d H:i:s');
                $cache->set($key, $time);
            }
            Yii::$app->response->format = \yii\web\Response::FORMAT_RAW;
            Yii::$app->response->headers->set('Content-Type', 'text/cache-manifest');

            $manifest = Yii::$app->getView()->renderFile($data['template_file'], [
                'caches' => $data['caches'],
                'time' => $time]);

            return $manifest;
        }
        return '';
    }

}