function shk_currency_calc($properties, $base_price, $currency_id, $rate_ratio = 0)
{
$inverse = isset($properties['inverse']) ? $properties['inverse'] : false;
//обратный перевод цены
if (!$rate_ratio) {
if (isset($_SESSION['shk_curr_rate']) && is_numeric($_SESSION['shk_curr_rate']) && !$inverse) {
$rate_ratio = $_SESSION['shk_curr_rate'];
} else {
if (!isset($properties['currency_rate'])) {
require_once MODX_CORE_PATH . "components/shopkeeper3/model/shopkeeper.class.php";
$config = Shopkeeper::getConfig(array('currency_rate'));
$properties['currency_rate'] = $config['currency_rate'];
}
$rate_ratio = 1;
if ($properties['currency_default'] != $currency_id) {
$rate_default = 1;
$rate = 1;
//Определяем курс по умолчанию и новый курс
foreach ($properties['currency_rate'] as $rt) {
if ($rt['id'] == $properties['currency_default']) {
$rate_default = Shopkeeper::cleanNumber($rt['value'], 'float');
} else {
if ($rt['id'] == $currency_id) {
$rate = Shopkeeper::cleanNumber($rt['value'], 'float');
}
}
}
if (!$inverse) {
$rate_ratio = $rate_default / $rate;
$_SESSION['shk_curr_rate'] = $rate_ratio;
} else {
$rate_ratio = $rate / $rate_default;
}
}
}
}
//Считаем цену по курсу
if ($rate_ratio) {
$price = $base_price * $rate_ratio;
$price = round($price, ceil($price) == $price ? 0 : 2);
return $price;
} else {
return $base_price;
}
}
