/**
* Loads all currency rate data from service provider
*
* @access protected
* @param string $from_currency A string name of currency available in static::$currencies
* @return void
*/
protected function fetch_currency_rate($from_currency)
{
Cache::forge('hybrid.currency.' . $from_currency, Config::get('hybrid.currency.cache', array()));
if (!array_key_exists($from_currency, static::$currencies)) {
throw new FuelException(__METHOD__ . ": Unable to use unknown currency {$from_currency}");
}
try {
$this->currency_rates = Cache::get('hybrid.currency.' . $from_currency);
} catch (CacheNotFoundException $e) {
$search = array('{AMOUNT}', '{FROM}', '{TO}');
// load data for each currency, this might take awhile
foreach (static::$currencies as $cur => $name) {
$replace = array('1', $from_currency, $cur);
$url = str_replace($search, $replace, static::$service);
try {
$data = Curl::get($url)->setopt(array(CURLOPT_BINARYTRANSFER => 1, CURLOPT_RETURNTRANSFER => true, CURLOPT_MAXREDIRS => 5, CURLOPT_HEADER => 0, CURLOPT_USERAGENT => "Fuel PHP framework - \\Hybrid\\Currency class"))->execute();
$body = $data->body;
} catch (FuelException $e) {
$body = file_get_contents($url);
}
// this is rather hackish, the return body from either Curl or file_get_contents can't be use directly with json_decode
foreach (array("lhs", "rhs", "error", "icc") as $key) {
$body = str_replace($key . ":", '"' . $key . '":', $body);
}
// need to decode this first
$data = json_decode($body);
if (null !== $data and false !== $data->icc) {
$conversion = \Format::forge($body, 'json')->to_array();
$tmp = explode(' ', $conversion['rhs']);
$rate = array_shift($tmp);
$this->currency_rates[$cur] = (double) $rate;
}
}
Cache::set('hybrid.currency.' . $from_currency, $this->currency_rates);
}
}
/**
* Send a curl request to Hipchat
*
* @static
* @access protected
* @param string $url
* @param array $data
* @return Hybrid\Curl
*/
protected static function call($url, $data)
{
$request = Curl::make($url, $data);
$request->option(CURLOPT_SSL_VERIFYPEER, Config::get('hipchat::api.verify_ssl', 1));
$request->option(CURLOPT_FOLLOWLOCATION, 1);
$request->option(CURLOPT_RETURNTRANSFER, 1);
$request->option(CURLOPT_TIMEOUT, 15);
return $request->call();
}
