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<?php
namespace Victoire\Bundle\WidgetBundle\Cache;
use Predis\Client;
use Victoire\Bundle\WidgetBundle\Entity\Widget;
/**
* This class handle the saving of Widgets.
* Widgets are stored for a week, but are invalidated as soon as
* the Widget's or BusinessEntity's updatedAt field is changed.
*/
class WidgetCache
{
* @var Client
private $redis;
public function __construct(Client $redis)
$this->redis = $redis;
}
* @param Widget $widget
*
* @return string
public function fetch(Widget $widget)
return $this->redis->get($this->getHash($widget));
* @param $content
public function save(Widget $widget, $content)
$hash = $this->getHash($widget);
$this->redis->set($hash, $content);
$this->redis->expire($hash, 7 * 24 * 60 * 1000); // cache for a week
protected function getHash(Widget $widget)
$hash = sprintf('%s-%s', $widget->getId(), $widget->getUpdatedAt()->getTimestamp());
if ($widget->getMode() == Widget::MODE_BUSINESS_ENTITY
&& ($entity = $widget->getEntity())
&& method_exists($widget->getEntity(), 'getUpdatedAt')) {
$hash .= sprintf('-%s', $entity->getUpdatedAt()->getTimestamp());
getUpdatedAt
$entity
integer|double
Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects.
return $hash;
Victoire /
victoire
Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects.