DiscountManager::fillByPreloadedPrices

static function fillByPreloadedPrices(array &$productData, array $priceList)
{
	foreach ($productData as $productId => $product)
	{
		foreach (self::$preloadedPriceData as $priceData)
		{
			if ($priceData['PRODUCT_ID'] != $productId)
			{
				continue;
			}

			if(!in_array($priceData['ID'], $priceList))
			{
				continue;
			}

			$productData[$productId]['CATALOG_GROUP_ID'] = $priceData['CATALOG_GROUP_ID'];
		}
	}
}