<?php
/**
* Copyright © MageWorx. All rights reserved.
* See LICENSE.txt for license details.
*/

namespace MageWorx\Info\Model;

use Magento\AdminNotification\Model\Feed;
use Magento\Framework\App\ObjectManager;
use Magento\Framework\Config\ConfigOptionsListConstants;
use Magento\Framework\Escaper;
use Magento\AdminNotification\Model\InboxFactory;

class AbstractFeed extends Feed
{
/**
* @var string
*/
const CACHE_IDENTIFIER = '';

/**
* Update frequency in days
*
* @var int
*/
const FREQUENCY = 1;

/**
* @var Escaper|null
*/
protected $magentoEscaper;

/**
* AbstractFeed constructor.
*
* @param \Magento\Framework\HTTP\Adapter\CurlFactory $curlFactory
* @param \Magento\Framework\App\DeploymentConfig $deploymentConfig
* @param \Magento\Framework\App\ProductMetadataInterface $productMetadata
* @param \Magento\Framework\Model\Context $context
* @param \Magento\Framework\Registry $registry
* @param \Magento\Backend\App\ConfigInterface $backendConfig
* @param InboxFactory $inboxFactory
* @param \Magento\Framework\UrlInterface $urlBuilder
* @param \Magento\Framework\Model\ResourceModel\AbstractResource|null $resource
* @param \Magento\Framework\Data\Collection\AbstractDb|null $resourceCollection
* @param array $data
* @param Escaper|null $escaper
*/
public function __construct(
\Magento\Framework\HTTP\Adapter\CurlFactory $curlFactory,
\Magento\Framework\App\DeploymentConfig $deploymentConfig,
\Magento\Framework\App\ProductMetadataInterface $productMetadata,
\Magento\Framework\Model\Context $context,
\Magento\Framework\Registry $registry,
\Magento\Backend\App\ConfigInterface $backendConfig,
InboxFactory $inboxFactory,
\Magento\Framework\UrlInterface $urlBuilder,
\Magento\Framework\Model\ResourceModel\AbstractResource $resource = null,
\Magento\Framework\Data\Collection\AbstractDb $resourceCollection = null,
array $data = [],
Escaper $escaper = null
) {
parent::__construct(
$context,
$registry,
$backendConfig,
$inboxFactory,
$curlFactory,
$deploymentConfig,
$productMetadata,
$urlBuilder,
$resource,
$resourceCollection,
$data
);
$this->magentoEscaper = $escaper ?? ObjectManager::getInstance()->get(
Escaper::class
);
}

/**
* Retrieve Update Frequency
*
* @return int
*/
public function getFrequency()
{
return self::FREQUENCY * 3600;
}

/**
* Retrieve feed Last update time
*
* @return int
*/
public function getLastUpdate()
{
return $this->_cacheManager->load(static::CACHE_IDENTIFIER);
}

/**
* Set feed last update time (now)
*
* @return $this
*/
public function setLastUpdate()
{
$this->_cacheManager->save(time(), static::CACHE_IDENTIFIER);

return $this;
}

/**
* @return $this
*/
public function checkUpdate()
{
if ($this->getFrequency() + $this->getLastUpdate() > time()) {
return $this;
}

$feedData = [];
$feedXml = $this->getFeedData();

if ($feedXml && $feedXml->channel && $feedXml->channel->item) {
foreach ($feedXml->channel->item as $item) {
$data = $this->prepareFeedItemData($item);

if ($data) {
$feedData[] = $data;
}
}

if ($feedData) {
$this->_inboxFactory->create()->parse(array_reverse($feedData));
}
}
$this->setLastUpdate();

return $this;
}

/**
* @return false|int
* @throws \Magento\Framework\Exception\FileSystemException
* @throws \Magento\Framework\Exception\RuntimeException
*/
protected function getMagentoInstallDate()
{
return strtotime($this->_deploymentConfig->get(ConfigOptionsListConstants::CONFIG_PATH_INSTALL_DATE));
}

/**
* @param $item
* @return array
*/
protected function prepareFeedItemData($item)
{
$data = [];
$installDate = $this->getMagentoInstallDate();
$itemPublicationDate = strtotime((string)$item->pubDate);

//Use current time for empty date case
if (!$itemPublicationDate) {
$itemPublicationDate = time();
}

if ($installDate <= $itemPublicationDate) {
$data = [
'severity' => (int)$item->severity,
'date_added' => date('Y-m-d H:i:s', $itemPublicationDate),
'title' => $this->magentoEscaper->escapeHtml((string)$item->title),
'description' => $this->magentoEscaper->escapeHtml((string)$item->description),
'url' => $this->magentoEscaper->escapeHtml((string)$item->link),
];
}

return $data;
}
}