/**
* Send curl purge request
* to invalidate cache by tags pattern
*
* @param string $tagsPattern
* @return void
*/
protected function sendPurgeRequest($tagsPattern)
{
$headers = ["X-Magento-Tags-Pattern: {$tagsPattern}"];
$this->_curlAdapter->setOptions([CURLOPT_CUSTOMREQUEST => 'PURGE']);
$this->_curlAdapter->write('', $this->_helper->getUrl('*'), '1.1', $headers);
$this->_curlAdapter->read();
$this->_curlAdapter->close();
}
/**
* Replace the output of the block, containing ttl attribute, with ESI tag
*
* @param \Magento\Framework\View\Element\AbstractBlock $block
* @return string
*/
protected function _wrapEsi(\Magento\Framework\View\Element\AbstractBlock $block)
{
$url = $block->getUrl('page_cache/block/esi', array('blocks' => json_encode(array($block->getNameInLayout())), 'handles' => json_encode($this->_helper->getActualHandles())));
return sprintf('<esi:include src="%s" />', $url);
}
/**
* Retrieve script options encoded to json
*
* @return string
*/
public function getScriptOptions()
{
$params = array('url' => $this->getUrl('page_cache/block/render/'), 'handles' => $this->helper->getActualHandles(), 'versionCookieName' => \Magento\Framework\App\PageCache\Version::COOKIE_NAME);
return json_encode($params);
}
