remote_ip/app/common/Service/Repository.php

<?php
namespace ProVM\Service;

use PDO;
use Psr\Log\LoggerInterface;

class Repository
{
    public function __construct(protected Connector $connector, protected string $table, protected LoggerInterface $logger) {}

    public function update(string $ip): void
    {
        $this->logger->debug('Updating Database');

        $old_ip = $this->getOld();
        $this->logger->debug("Old IP: {$old_ip}");

        if ($old_ip === $ip) {
            $this->logger->debug('No change in IP');
            return;
        }

        $this->doUpdate($ip);
        $this->logger->debug('Updated IP');
    }

    protected function getOld(): string
    {
        $query = "SELECT `ip` FROM `{$this->table}` WHERE `host` = ?";
        $statement = $this->connector->connect()->prepare($query);
        $statement->execute(['vialdelamaza']);

        return $statement->fetch()['ip'];
    }
    protected function doUpdate(string $ip): void
    {
        $query = "UPDATE `remote_ip` SET `ip` = ?, `updated` = CURRENT_TIMESTAMP() WHERE `host` = ?";
        $statement = $this->connector->connect()->prepare($query);
        $statement->execute([$ip, 'vialdelamaza']);
    }
}