public function actionIndex($refreshHours = 1)
{
$limit = 500;
$offset = 0;
$unistorageClient = Yii::$app->unistorage;
$unistorageClient->useGetFileCache = false;
$processedFiles = array();
while ($rows = UnistorageCache::find()->limit($limit)->offset($offset)->where('ttl<:time', [':time' => time() + 3600 * $refreshHours])->andWhere('ttl>0')->andWhere(['not in', 'cachekey', $processedFiles])->all()) {
foreach ($rows as $cache) {
$file = @unserialize($cache->object);
if (!in_array($cache->cacheKey, $processedFiles)) {
$processedFiles[] = $cache->cacheKey;
$file = $unistorageClient->getFile($file->resourceUri);
$unistorageClient->cacheFile($file, $cache->cacheKey);
}
}
}
}
/**
* @param string $cacheKey
* @return File|bool
*/
public function getCachedFile($cacheKey)
{
if (false === ($file = Yii::$app->cache->get($cacheKey))) {
/** @var $unistorageCache UnistorageCache */
$unistorageCache = UnistorageCache::findOne(['cacheKey' => $cacheKey]);
if (empty($unistorageCache)) {
return false;
}
/** @var $file File */
$file = @unserialize($unistorageCache->object);
if (empty($file)) {
Yii::error("Can't unserialize {$unistorageCache->cacheKey}", 'unistorage');
return false;
}
if ($unistorageCache->ttl != 0 && $unistorageCache->ttl < time()) {
// file expired. Refreshing
$file = $this->refreshFile($file->resourceUri, $cacheKey);
} elseif ($unistorageCache->ttl - time() > 0) {
// resetting in cache
Yii::$app->cache->set($cacheKey, $file, $unistorageCache->ttl - time());
}
}
return $file;
}
