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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\AdminNotification\Model\ResourceModel\System\Message\Collection;
/**
* @api
* @since 100.0.2
*/
class Synchronized extends \Magento\AdminNotification\Model\ResourceModel\System\Message\Collection
{
/**
* Unread message list
*
* @var \Magento\Framework\Notification\MessageInterface[]
*/
protected $_unreadMessages = [];
/**
* Store new messages in database and remove outdated messages
*
* @return $this|\Magento\Framework\Model\ResourceModel\Db\AbstractDb
*/
public function _afterLoad()
{
$messages = $this->_messageList->asArray();
$persisted = [];
$unread = [];
foreach ($messages as $message) {
if ($message->isDisplayed()) {
foreach ($this->_items as $persistedKey => $persistedMessage) {
if ($message->getIdentity() == $persistedMessage->getIdentity()) {
$persisted[$persistedKey] = $persistedMessage;
continue 2;
}
}
$unread[] = $message;
}
}
$removed = array_diff_key($this->_items, $persisted);
foreach ($removed as $removedItem) {
$removedItem->delete();
}
foreach ($unread as $unreadItem) {
$item = $this->getNewEmptyItem();
$item->setIdentity($unreadItem->getIdentity())->setSeverity($unreadItem->getSeverity())->save();
}
if (count($removed) || count($unread)) {
$this->_unreadMessages = $unread;
$this->clear();
$this->load();
} else {
parent::_afterLoad();
}
return $this;
}
/**
* Retrieve list of unread messages
*
* @return \Magento\Framework\Notification\MessageInterface[]
*/
public function getUnread()
{
return $this->_unreadMessages;
}
}