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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Directory\Model\Currency\Import;
/**
* Currency rate import model (From http://query.yahooapis.com/)
*/
class YahooFinance extends \Magento\Directory\Model\Currency\Import\AbstractImport
{
/**
* Currency converter url string
*
* @var string
*/
// @codingStandardsIgnoreStart
private $currencyConverterUrl = 'http://query.yahooapis.com/v1/public/yql?format=json&q={{YQL_STRING}}&env=store://datatables.org/alltableswithkeys';
// @codingStandardsIgnoreEnd
/**
* Config path for service timeout
*
* @var string
*/
private $timeoutConfigPath = 'currency/yahoofinance/timeout';
/**
* Http Client Factory
*
* @var \Magento\Framework\HTTP\ZendClientFactory
*/
protected $httpClientFactory;
/**
* Core scope config
*
* @var \Magento\Framework\App\Config\ScopeConfigInterface
*/
private $scopeConfig;
/**
* Initialize dependencies
*
* @param \Magento\Directory\Model\CurrencyFactory $currencyFactory
* @param \Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig
* @param \Magento\Framework\HTTP\ZendClientFactory $httpClientFactory
*/
public function __construct(
\Magento\Directory\Model\CurrencyFactory $currencyFactory,
\Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig,
\Magento\Framework\HTTP\ZendClientFactory $httpClientFactory
) {
parent::__construct($currencyFactory);
$this->scopeConfig = $scopeConfig;
$this->httpClientFactory = $httpClientFactory;
}
/**
* {@inheritdoc}
*/
public function fetchRates()
{
$data = [];
$currencies = $this->_getCurrencyCodes();
$defaultCurrencies = $this->_getDefaultCurrencyCodes();
foreach ($defaultCurrencies as $currencyFrom) {
if (!isset($data[$currencyFrom])) {
$data[$currencyFrom] = [];
}
$data = $this->convertBatch($data, $currencyFrom, $currencies);
ksort($data[$currencyFrom]);
}
return $data;
}
/**
* Return currencies convert rates in batch mode
*
* @param array $data
* @param string $currencyFrom
* @param array $currenciesTo
* @return array
*/
private function convertBatch($data, $currencyFrom, $currenciesTo)
{
$url = $this->buildUrl($currencyFrom, $currenciesTo);
set_time_limit(0);
try {
$response = $this->getServiceResponse($url);
} finally {
ini_restore('max_execution_time');
}
foreach ($currenciesTo as $currencyTo) {
if ($currencyFrom == $currencyTo) {
$data[$currencyFrom][$currencyTo] = $this->_numberFormat(1);
} else {
if (empty($response[$currencyFrom . $currencyTo])) {
$this->_messages[] = __('We can\'t retrieve a rate from %1 for %2.', $url, $currencyTo);
$data[$currencyFrom][$currencyTo] = null;
} else {
$data[$currencyFrom][$currencyTo] = $this->_numberFormat(
(double)$response[$currencyFrom . $currencyTo]
);
}
}
}
return $data;
}
/**
* Get Fixer.io service response
*
* @param string $url
* @param int $retry
* @return array
*/
private function getServiceResponse($url, $retry = 0)
{
/** @var \Magento\Framework\HTTP\ZendClient $httpClient */
$httpClient = $this->httpClientFactory->create();
$response = [];
try {
$jsonResponse = $httpClient->setUri(
$url
)->setConfig(
[
'timeout' => $this->scopeConfig->getValue(
$this->timeoutConfigPath,
\Magento\Store\Model\ScopeInterface::SCOPE_STORE
),
]
)->request(
'GET'
)->getBody();
$jsonResponse = json_decode($jsonResponse, true);
if (!empty($jsonResponse['query']['results']['rate'])) {
$response = array_column($jsonResponse['query']['results']['rate'], 'Rate', 'id');
}
} catch (\Exception $e) {
if ($retry == 0) {
$response = $this->getServiceResponse($url, 1);
}
}
return $response;
}
/**
* {@inheritdoc}
*/
protected function _convert($currencyFrom, $currencyTo)
{
}
/**
* Build url for Currency Service
*
* @param string $currencyFrom
* @param string[] $currenciesTo
* @return string
*/
private function buildUrl($currencyFrom, $currenciesTo)
{
$query = urlencode('select ') . '*' . urlencode(' from yahoo.finance.xchange where pair in (');
$query .=
urlencode(
implode(
',',
array_map(
function ($currencyTo) use ($currencyFrom) {
return '"' . $currencyFrom . $currencyTo . '"';
},
$currenciesTo
)
)
);
$query .= ')';
return str_replace('{{YQL_STRING}}', $query, $this->currencyConverterUrl);
}
}