<?php
/**
 *
 * Copyright © 2016 Magento. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Backend\Controller\Adminhtml\Cache;

use Magento\Framework\Exception\LocalizedException;
use Magento\Framework\Controller\ResultFactory;

class CleanMedia extends \Magento\Backend\Controller\Adminhtml\Cache
{
    /**
     * Clean JS/css files cache
     *
     * @return \Magento\Backend\Model\View\Result\Redirect
     */
    public function execute()
    {
        try {
            $this->_objectManager->get('Magento\Framework\View\Asset\MergeService')->cleanMergedJsCss();
            $this->_eventManager->dispatch('clean_media_cache_after');
            $this->messageManager->addSuccess(__('The JavaScript/CSS cache has been cleaned.'));
        } catch (LocalizedException $e) {
            $this->messageManager->addError($e->getMessage());
        } catch (\Exception $e) {
            $this->messageManager->addException($e, __('An error occurred while clearing the JavaScript/CSS cache.'));
        }

        /** @var \Magento\Backend\Model\View\Result\Redirect $resultRedirect */
        $resultRedirect = $this->resultFactory->create(ResultFactory::TYPE_REDIRECT);
        return $resultRedirect->setPath('adminhtml/*');
    }
}