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<?php
/**
* Copyright 2023 Adobe
* All Rights Reserved.
*
* NOTICE: All information contained herein is, and remains
* the property of Adobe and its suppliers, if any. The intellectual
* and technical concepts contained herein are proprietary to Adobe
* and its suppliers and are protected by all applicable intellectual
* property laws, including trade secret and copyright laws.
* Dissemination of this information or reproduction of this material
* is strictly forbidden unless prior written permission is obtained
* from Adobe.
*/
declare(strict_types=1);
namespace Magento\SaaSCommon\Model;
use Magento\Framework\App\ResourceConnection;
use Magento\Framework\Serialize\SerializerInterface;
/**
* Class FeedFilter
*/
class FeedRegistry
{
/**
* @var ResourceConnection
*/
private $resourceConnection;
/**
* @var SerializerInterface
*/
private $serializer;
/**
* @var string
*/
private $registryTable;
/**
* @var array
*/
private $uniqueFields;
/**
* @var array
*/
private $excludeFields;
/**
* FeedRegistry constructor.
*
* @param ResourceConnection $resourceConnection
* @param SerializerInterface $serializer
* @param string $registryTable
* @param array $uniqueFields
* @param array $excludeFields
*/
public function __construct(
ResourceConnection $resourceConnection,
SerializerInterface $serializer,
string $registryTable = '',
array $uniqueFields = [],
array $excludeFields = []
) {
$this->resourceConnection = $resourceConnection;
$this->serializer = $serializer;
$this->registryTable = $registryTable;
$this->uniqueFields = $uniqueFields;
$this->excludeFields = $excludeFields;
}
/**
* Get row identifier
*
* @param array $row
* @return string
*/
private function getIdentifier(array $row) : string
{
$uniqueFields = [];
foreach ($this->uniqueFields as $field) {
$uniqueFields[$field] = isset($row[$field]) ? $row[$field] : null;
}
return sha1($this->serializer->serialize($uniqueFields));
}
/**
* Sanitize row
*
* @param array $row
* @return array
*/
private function sanitizeRow(array $row) : array
{
$output = [];
foreach ($row as $key => $value) {
if (!in_array($key, $this->excludeFields)) {
$output[$key] = $value;
}
}
return $output;
}
/**
* Hash row data
*
* @param array $row
* @return string
*/
private function hashData(array $row) : string
{
return sha1($this->serializer->serialize($this->sanitizeRow($row)));
}
/**
* Register feed
*
* @param array $data
*/
public function registerFeed(array $data) : void
{
$input = [];
$connection = $this->resourceConnection->getConnection();
foreach ($data as $row) {
$identifier = $this->getIdentifier($row);
$input[$identifier] = [
'identifier' => $identifier,
'feed_hash' => $this->hashData($row)
];
}
$connection->insertOnDuplicate(
$this->resourceConnection->getTableName($this->registryTable),
$input,
['feed_hash']
);
}
/**
* Remove feed items with the same content.
* Compares hashed version of _this_ with version stored in <registryTable>
*
* @param array $data
* @return array
*/
public function filter(array $data) : array
{
$identifiers = [];
$output = [];
foreach ($data as $row) {
$identifier = $this->getIdentifier($row);
$identifiers[$identifier] = $identifier;
}
$connection = $this->resourceConnection->getConnection();
$select = $connection->select()
->from(['f' => $this->resourceConnection->getTableName($this->registryTable)])
->where('f.identifier IN (?)', $identifiers);
$hashes = $connection->fetchAssoc($select);
foreach ($data as $row) {
$identifier = $this->getIdentifier($row);
if (isset($hashes[$identifier]) && $this->hashData($row) == $hashes[$identifier]['feed_hash']) {
continue;
}
$output[] = $row;
}
return $output;
}
}