protected function retrievePrices(ProductSaleElements $pse)
{
$query = ProductPriceQuery::create()->useCurrencyQuery()->orderByByDefault()->endUse();
$prices = $pse->getProductPrices($query);
if ($prices->count() === 0) {
return array(null, null, null, null);
}
/** @var \Thelia\Model\ProductPrice $currentPrices */
$currentPrices = $prices->get(0);
return [$currentPrices->getPrice(), $currentPrices->getPromoPrice(), $currentPrices->getCurrencyId(), $currentPrices->getFromDefaultCurrency()];
}
