/**
* {@inheritdoc}
*/
public function fetchRate(CurrencyPair $currencyPair)
{
if ('USD' !== $currencyPair->getBaseCurrency()) {
throw new UnsupportedCurrencyPairException($currencyPair);
}
$url = sprintf(self::URL, $this->accKey);
$content = $this->fetchContent($url);
$data = StringUtil::jsonToArray($content);
if (isset($data['error'])) {
throw new Exception($data['info']);
}
$date = new \DateTime();
$date->setTimestamp($data['timestamp']);
if ($data['source'] === $currencyPair->getBaseCurrency() && isset($data['quotes']['USD' . $currencyPair->getQuoteCurrency()])) {
return new Rate((string) $data['quotes']['USD' . $currencyPair->getQuoteCurrency()], $date, 'Currencylayer');
}
throw new UnsupportedCurrencyPairException($currencyPair);
}
/**
* {@inheritdoc}
*/
public function fetchRate(CurrencyPair $currencyPair)
{
$queryPairs = sprintf('"%s%s"', $currencyPair->getBaseCurrency(), $currencyPair->getQuoteCurrency());
$query = sprintf('select * from yahoo.finance.xchange where pair in (%s)', $queryPairs);
$url = sprintf(self::URL, urlencode($query));
$content = $this->fetchContent($url);
$json = StringUtil::jsonToArray($content);
$data = $json['query']['results']['rate'];
if ('0.00' === $data['Rate'] || 'N/A' === $data['Date']) {
throw new UnsupportedCurrencyPairException($currencyPair);
}
$dateString = $data['Date'] . ' ' . $data['Time'];
$date = \DateTime::createFromFormat('m/d/Y H:ia', $dateString);
return new Rate($data['Rate'], $date, "Yahoo Finance");
}
/**
* {@inheritdoc}
*/
public function fetchRate(CurrencyPair $currencyPair)
{
$url = sprintf(self::URL, $currencyPair->getBaseCurrency(), $currencyPair->getQuoteCurrency());
$content = $this->fetchContent($url);
$document = new \DOMDocument();
@$document->loadHTML($content);
$xpath = new \DOMXPath($document);
$nodes = $xpath->query('//span[@class="bld"]');
if (0 === $nodes->length) {
throw new Exception('The currency is not supported or Google changed the response format');
}
$nodeContent = $nodes->item(0)->textContent;
$bid = strstr($nodeContent, ' ', true);
if (!is_numeric($bid)) {
throw new Exception('The currency is not supported or Google changed the response format');
}
return new Rate($bid, new \DateTime(), "Google Finance");
}
