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<?php
/**
* Copyright © Magefan (support@magefan.com). All rights reserved.
* Please visit Magefan.com for license details (https://magefan.com/end-user-license-agreement).
*/
namespace Magefan\AdminUserGuide\Model;
use Magento\Framework\Filesystem;
use Magento\Framework\App\CacheInterface;
use Magento\Framework\HTTP\Client\Curl;
use Magento\Framework\Serialize\Serializer\Json;
use Magento\Framework\App\Filesystem\DirectoryList;
/**
* Class XmlReader
*/
class XmlReader
{
const DATA_FILE_NAME = 'magefan/aug-data/knowledge-base.xml';
/**
* @var CacheInterface
*/
private $cache;
/**
* @var Filesystem
*/
private $filesystem;
/**
* @var Json
*/
private $json;
/**
* @var Curl
*/
private $curl;
/**
* @param CacheInterface $cache
* @param Filesystem $filesystem
* @param Json $json
* @param Curl $curl
*/
public function __construct(
CacheInterface $cache,
Filesystem $filesystem,
Json $json,
Curl $curl
) {
$this->cache = $cache;
$this->filesystem = $filesystem;
$this->json = $json;
$this->curl = $curl;
}
/**
* @return array|bool|float|int|mixed|string|null
* @throws \Magento\Framework\Exception\FileSystemException
*/
public function get()
{
if (!$this->cache->load('magefan_aug_data')) {
$this->readFile();
}
try {
return $this->json->unserialize($this->cache->load('magefan_aug_data'));
} catch (\Exception $e) {
return [];
}
}
/**
* @throws \Magento\Framework\Exception\FileSystemException
*/
private function readFile()
{
$directoryRead = $this->filesystem->getDirectoryRead(DirectoryList::VAR_DIR);
if (!$directoryRead->isExist(self::DATA_FILE_NAME)) {
$this->update();
}
if (!$directoryRead->isExist(self::DATA_FILE_NAME)) {
return;
}
$xml = $directoryRead->readFile(self::DATA_FILE_NAME);
try {
$new = simplexml_load_string($xml);
} catch (\Exception $e) {
$new = null;
}
$data = [];
if (isset($new) && isset($new->channel) && isset($new->channel->item)) {
foreach ($new->channel->item as $item) {
$data[] = (array)$item;
}
}
$this->cache->save($this->json->serialize($data),'magefan_aug_data');
}
/**
* @throws \Magento\Framework\Exception\FileSystemException
*/
public function update()
{
$fileUrl = 'https://' . 'mage' . 'fan.com' .'/media/knowledge-base.xml';
try {
$this->curl->get($fileUrl);
$contents = $this->curl->getBody();
} catch (\Exception $e) {
$contents = null;
}
if ($contents) {
$media = $this->filesystem->getDirectoryWrite(DirectoryList::VAR_DIR);
$media->writeFile(self::DATA_FILE_NAME, $contents);
}
}
}