public function fetchRate(CurrencyPair $currencyPair)
{
$providerIds = [(int) $this->mainProvider, (int) $this->secondProvider];
/** @var CurrencyRateProvider[] $providers */
$providers = CurrencyRateProvider::find()->where(['id' => $providerIds])->orderBy(['FIELD (`id`, ' . implode(',', $providerIds) . ')' => ''])->all();
if (count($providers) !== 2) {
throw new Exception('One of providers not found');
}
$rates = [];
foreach ($providers as $provider) {
try {
$providerHandler = $provider->getImplementationInstance($this->httpAdapter);
if ($providerHandler !== null) {
$swap = new Swap($providerHandler);
$rate = $swap->quote($currencyPair->getBaseCurrency() . '/' . $currencyPair->getQuoteCurrency())->getValue();
$rates[] = floatval($rate);
} else {
throw new Exception('Provider "' . $provider->name . '" not found');
}
} catch (\Exception $e) {
throw new Exception('One or more currency providers did not return result');
}
}
$min = min($rates);
$max = max($rates);
return new Rate($max - $min >= $max * $this->criticalDifference / 100 ? $max : $rates[0], new \DateTime());
}
/**
* @param CurrencyPair $currencyPair
* @return Rate
* @throws Exception
*/
public function fetchRate(CurrencyPair $currencyPair)
{
$providers = [$this->mainProvider => CurrencyRateProvider::getByName($this->mainProvider), $this->secondProvider => CurrencyRateProvider::getByName($this->secondProvider)];
if (count($providers) !== 2) {
throw new Exception('One of providers not found');
}
$rates = [];
/** @var CurrencyRateProvider $provider */
foreach ($providers as $name => $provider) {
if (null === $provider) {
throw new Exception("Provider \"{$name}\" not found!");
}
try {
$providerHandler = $provider->getImplementationInstance($this->httpAdapter);
if ($providerHandler !== null) {
$swap = new Swap($providerHandler);
$rate = $swap->quote($currencyPair->getBaseCurrency() . '/' . $currencyPair->getQuoteCurrency())->getValue();
$rates[] = floatval($rate);
} else {
throw new Exception('Provider "' . $provider->name . '" not found');
}
} catch (\Exception $e) {
throw new Exception('One or more currency providers did not return result');
}
}
$min = min($rates);
$max = max($rates);
return new Rate($max - $min >= $max * $this->criticalDifference / 100 ? $max : $rates[0], new \DateTime());
}
/**
* {@inheritdoc}
*/
public function fetchRate(CurrencyPair $currencyPair)
{
$url = sprintf(self::URL, $currencyPair->getBaseCurrency() . $currencyPair->getQuoteCurrency(), $this->token);
$content = $this->fetchContent($url);
$json = StringUtil::jsonToArray($content);
$data = $json[0];
if ('Success' === $data['Outcome']) {
$dateString = $data['Date'] . ' ' . $data['Time'];
return new Rate((string) $data['Bid'], \DateTime::createFromFormat('m/d/Y H:i:s A', $dateString, new \DateTimeZone('UTC')));
}
throw new Exception($data['Message']);
}
/**
* {@inheritdoc}
*/
public function fetchRate(CurrencyPair $currencyPair)
{
if (!$this->enterprise && 'USD' !== $currencyPair->getBaseCurrency()) {
throw new UnsupportedCurrencyPairException($currencyPair);
}
if ($this->enterprise) {
$url = sprintf(self::ENTERPRISE_URL, $this->appId, $currencyPair->getBaseCurrency(), $currencyPair->getQuoteCurrency());
} else {
$url = sprintf(self::FREE_URL, $this->appId);
}
$content = $this->fetchContent($url);
$data = StringUtil::jsonToArray($content);
if (isset($data['error'])) {
throw new Exception($data['description']);
}
$date = new \DateTime();
$date->setTimestamp($data['timestamp']);
if ($data['base'] === $currencyPair->getBaseCurrency() && isset($data['rates'][$currencyPair->getQuoteCurrency()])) {
return new Rate((string) $data['rates'][$currencyPair->getQuoteCurrency()], $date);
}
throw new UnsupportedCurrencyPairException($currencyPair);
}
/**
* {@inheritdoc}
*/
public function fetchRate(CurrencyPair $currencyPair, $date = null)
{
$getAppend = function ($from, $to, $date = null) {
$date = isset($date) ? $date : 'latest';
return "{$date}?symbols={$to}&base={$from}";
};
$url = self::URL . $getAppend($currencyPair->getBaseCurrency(), $currencyPair->getQuoteCurrency(), $date);
$content = $this->fetchContent($url);
$return = StringUtil::jsonToArray($content);
$return['date'] = isset($date) ? new \DateTime($date) : new \DateTime();
return new Rate(current($return['rates']), $return['date']);
throw new UnsupportedCurrencyPairException($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);
}
/**
* {@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());
}
/**
* {@inheritdoc}
*/
public function fetchRate(CurrencyPair $currencyPair)
{
if ('EUR' !== $currencyPair->getBaseCurrency()) {
throw new UnsupportedCurrencyPairException($currencyPair);
}
$content = $this->fetchContent(self::URL);
$xmlElement = StringUtil::xmlToElement($content);
$cube = $xmlElement->Cube->Cube;
$cubeAttributes = $cube->attributes();
$date = new \DateTime((string) $cubeAttributes['time']);
foreach ($cube->Cube as $cube) {
$cubeAttributes = $cube->attributes();
$cubeQuoteCurrency = (string) $cubeAttributes['currency'];
if ($cubeQuoteCurrency === $currencyPair->getQuoteCurrency()) {
return new Rate((string) $cubeAttributes['rate'], $date);
}
}
throw new UnsupportedCurrencyPairException($currencyPair);
}
/**
* {@inheritdoc}
*/
public function fetchRate(CurrencyPair $currencyPair)
{
$content = $this->fetchContent(self::URL);
$xmlElement = StringUtil::xmlToElement($content);
$baseCurrency = (string) $xmlElement->Body->OrigCurrency;
if ($baseCurrency !== $currencyPair->getBaseCurrency()) {
throw new UnsupportedCurrencyPairException($currencyPair);
}
$cube = $xmlElement->Body->Cube;
$cubeAttributes = $cube->attributes();
$date = new \DateTime((string) $cubeAttributes['date']);
foreach ($cube->Rate as $rate) {
$rateAttributes = $rate->attributes();
$rateQuoteCurrency = (string) $rateAttributes['currency'];
if ($rateQuoteCurrency === $currencyPair->getQuoteCurrency()) {
$rateValue = !empty($rateAttributes['multiplier']) ? (double) $rate / (int) $rateAttributes['multiplier'] : (double) $rate;
return new Rate((string) $rateValue, $date);
}
}
throw new UnsupportedCurrencyPairException($currencyPair);
}
public function fetchRate(CurrencyPair $currencyPair)
{
/** @var CurrencyRateProvider $provider */
$provider = CurrencyRateProvider::findOne($this->provider);
if ($provider === null) {
throw new Exception('Provider not found');
}
try {
$providerHandler = $provider->getImplementationInstance($this->httpAdapter);
$swap = new Swap($providerHandler);
$rate = $swap->quote($currencyPair->getBaseCurrency() . '/' . $currencyPair->getQuoteCurrency())->getValue();
if ($this->marginMultiplier !== null && $this->marginMultiplier > 1) {
$rate *= $this->marginMultiplier;
}
if ($this->fixedMargin !== null && $this->fixedMargin > 0) {
$rate += $this->fixedMargin;
}
} catch (\Exception $e) {
throw new Exception('Calculating error');
}
return new Rate($rate, new \DateTime());
}
/**
* {@inheritdoc}
*/
public function fetchRate(CurrencyPair $currencyPair)
{
$url = sprintf(self::URL, $currencyPair->getBaseCurrency(), $currencyPair->getQuoteCurrency());
$content = $this->fetchContent($url);
return new Rate((string) StringUtil::xmlToElement($content), new \DateTime());
}