ExchangeRatesResponse.php

<?php

declare(strict_types=1);

namespace SergeyNezbritskiy\PrivatBank\Response;

use SergeyNezbritskiy\PrivatBank\Base\AbstractResponse;

/**
 * Class ExchangeRatesResponse
 * @package SergeyNezbritskiy\PrivatBank\Response
 */
class ExchangeRatesResponse extends AbstractResponse
{
    /**
     * Response Sample
     * ```xml
     * <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
     *  <exchangerates>
     *      <row>
     *          <exchangerate ccy="USD" base_ccy="UAH" buy="26.00000" sale="26.45503"/>
     *      </row>
     *      <row>
     *          <exchangerate ccy="EUR" base_ccy="UAH" buy="32.20000" sale="32.78689"/>
     *      </row>
     *      <row>
     *          <exchangerate ccy="RUR" base_ccy="UAH" buy="0.45000" sale="0.48008"/>
     *      </row>
     *      <row>
     *          <exchangerate ccy="BTC" base_ccy="USD" buy="8332.9060" sale="9210.0540"/>
     *      </row>
     *  </exchangerates>
     * ```
     * @return array
     */
    public function getData(): array
    {
        $xml = $this->getXmlContent();
        /** @var \DOMNodeList $devices */
        $rates = $xml->getElementsByTagName('exchangerate');
        $result = [];
        /** @var \DOMElement $rate */
        foreach ($rates as $rate) {
            $result[] = [
                'ccy' => $rate->getAttribute('ccy'),
                'base_ccy' => $rate->getAttribute('base_ccy'),
                'buy' => $rate->getAttribute('buy'),
                'sale' => $rate->getAttribute('sale'),
            ];
        }
        return $result;
    }
}