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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\AdminNotification\Block\System;
use Magento\AdminNotification\Model\ResourceModel\System\Message\Collection\Synchronized;
use Magento\Backend\Block\Template;
use Magento\Backend\Block\Template\Context as TemplateContext;
use Magento\Framework\Json\Helper\Data as JsonDataHelper;
use Magento\Framework\Notification\MessageInterface;
use Magento\Framework\Serialize\Serializer\Json as JsonSerializer;
/**
* AdminNotification Messages class
*/
class Messages extends Template
{
/**
* Synchronized Message collection
*
* @var Synchronized
*/
protected $_messages;
/**
* @var JsonDataHelper
* @deprecated 100.3.0
*/
protected $jsonHelper;
/**
* @var JsonSerializer
*/
private $serializer;
/**
* @param TemplateContext $context
* @param Synchronized $messages
* @param JsonDataHelper $jsonHelper
* @param JsonSerializer $serializer
* @param array $data
*/
public function __construct(
TemplateContext $context,
Synchronized $messages,
JsonDataHelper $jsonHelper,
JsonSerializer $serializer,
array $data = []
) {
$this->jsonHelper = $jsonHelper;
parent::__construct($context, $data);
$this->_messages = $messages;
$this->serializer = $serializer;
}
/**
* Prepare html output
*
* @return string
*/
protected function _toHtml()
{
if (count($this->_messages->getItems())) {
return parent::_toHtml();
}
return '';
}
/**
* Retrieve message list
*
* @return MessageInterface[]|null
*/
public function getLastCritical()
{
$items = array_values($this->_messages->getItems());
if (!empty($items) && current($items)->getSeverity() === MessageInterface::SEVERITY_CRITICAL) {
return current($items);
}
return null;
}
/**
* Retrieve number of critical messages
*
* @return int
*/
public function getCriticalCount()
{
return $this->_messages->getCountBySeverity(MessageInterface::SEVERITY_CRITICAL);
}
/**
* Retrieve number of major messages
*
* @return int
*/
public function getMajorCount()
{
return $this->_messages->getCountBySeverity(MessageInterface::SEVERITY_MAJOR);
}
/**
* Check whether system messages are present
*
* @return bool
*/
public function hasMessages()
{
return (bool)count($this->_messages->getItems());
}
/**
* Retrieve message list url
*
* @return string
*/
protected function _getMessagesUrl()
{
return $this->getUrl('adminhtml/system_message/list');
}
/**
* Initialize system message dialog widget
*
* @return string
*/
public function getSystemMessageDialogJson()
{
return $this->serializer->serialize(
[
'systemMessageDialog' => [
'buttons' => [],
'modalClass' => 'ui-dialog-active ui-popup-message modal-system-messages',
'ajaxUrl' => $this->_getMessagesUrl()
],
]
);
}
}