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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Email\Block\Adminhtml\Template;
/**
* Email template preview block.
*
* @api
* @since 100.0.2
*/
class Preview extends \Magento\Backend\Block\Widget
{
/**
* @var \Magento\Framework\Filter\Input\MaliciousCode
*/
protected $_maliciousCode;
/**
* @var \Magento\Email\Model\TemplateFactory
*/
protected $_emailFactory;
/**
* @var string
*/
protected $profilerName = 'email_template_proccessing';
/**
* @param \Magento\Backend\Block\Template\Context $context
* @param \Magento\Framework\Filter\Input\MaliciousCode $maliciousCode
* @param \Magento\Email\Model\TemplateFactory $emailFactory
* @param array $data
*/
public function __construct(
\Magento\Backend\Block\Template\Context $context,
\Magento\Framework\Filter\Input\MaliciousCode $maliciousCode,
\Magento\Email\Model\TemplateFactory $emailFactory,
array $data = []
) {
$this->_maliciousCode = $maliciousCode;
$this->_emailFactory = $emailFactory;
parent::__construct($context, $data);
}
/**
* Prepare html output
*
* @return string
* @throws \Exception
*/
protected function _toHtml()
{
$request = $this->getRequest();
$storeId = $this->getAnyStoreView()->getId();
/** @var $template \Magento\Email\Model\Template */
$template = $this->_emailFactory->create();
if ($id = (int)$request->getParam('id')) {
$template->load($id);
} else {
$template->setTemplateType($request->getParam('type'));
$template->setTemplateText($request->getParam('text'));
$template->setTemplateStyles($request->getParam('styles'));
}
\Magento\Framework\Profiler::start($this->profilerName);
$template->emulateDesign($storeId);
$templateProcessed = $this->_appState->emulateAreaCode(
\Magento\Email\Model\AbstractTemplate::DEFAULT_DESIGN_AREA,
[$template, 'getProcessedTemplate']
);
$template->revertDesign();
$templateProcessed = $this->_maliciousCode->filter($templateProcessed);
if ($template->isPlain()) {
$templateProcessed = "<pre>" . $this->escapeHtml($templateProcessed) . "</pre>";
}
\Magento\Framework\Profiler::stop($this->profilerName);
return $templateProcessed;
}
/**
* Get either default or any store view
*
* @return \Magento\Store\Model\Store|null
*/
protected function getAnyStoreView()
{
$store = $this->_storeManager->getDefaultStoreView();
if ($store) {
return $store;
}
foreach ($this->_storeManager->getStores() as $store) {
return $store;
}
return null;
}
}