How to withdraw the amount taking into account the Bitrix discount?

Question

1C-Bitrix

Guys, urgently need help. I display the goods I need through getlist. In the admin area, discounts are applied for these products. Regular prices are displayed now. How can I display already discounted prices in cards? I can not understand.
the code itself

<?
require($_SERVER["DOCUMENT_ROOT"]."/bitrix/header.php");
$APPLICATION->SetTitle("Каталог товаров");
?>

<div class="cat-tork"><?
$arSelect = Array("*", "CATALOG_GROUP_24", "PROPERTY_CML2_ARTICLE");
if ( CSite::InGroup( array(12,13,14) ) ) {
  $arFilter = Array("IBLOCK_ID"=>59, "IBLOCK_TYPE" => "1c_catalog", "ID"=>array(121990, 124159,133627,132686,124163,133612,126599,137535,121988,123239,121978), "ACTIVE"=>"Y");
}
if ( CSite::InGroup( array(15) ) ) {
  $arFilter = Array("IBLOCK_ID"=>59, "IBLOCK_TYPE" => "1c_catalog", "ID"=>array(121990, 126599, 121988, 123239, 133627, 124159, 124163, 121978,127680), "ACTIVE"=>"Y");
}

$res = CIBlockElement::GetList(Array(), $arFilter, false, false, $arSelect);
while($ob = $res->GetNextElement())
{
  
  $arFields = $ob->GetFields();
  $PREVIEW_PICTURE = CFile::GetPath($arFields["PREVIEW_PICTURE"]);
  //echo "<pre>"; print_r($ob); echo "</pre>";
  //echo "<pre>"; print_r($PREVIEW_PICTURE); echo "</pre>";
  ?>
  <div class="cat-element">
    <div class="cat-img-prev">
      <img src="<?=$PREVIEW_PICTURE; ?>" alt="" />
    </div>
    <div class="cat-name">
      <?=$arFields["NAME"];?>
    </div>
    <div class="cat-articul">
      <b>Артикул: </b> <?=$arFields["PROPERTY_CML2_ARTICLE_VALUE"];?>
    </div>
    <div class="cat-price">
      <? echo $arFields["CATALOG_PRICE_24"];?> руб.
    </div>
    <form action="" method="post" class="add-bsk">
      <input type="hidden" name="productname" value="<?=$arFields["NAME"]?>" />
      <input type="hidden" name="productprice" value="<?=$arFields["CATALOG_PRICE_24"]?>" />
      <input type="hidden" name="productid" value="<?=$arFields["ID"]?>" />
      <button type="submit" class="add-bsk single-button">В корзину</button>
    </form>
  </div>
  <?
}
?></div>

<?require($_SERVER["DOCUMENT_ROOT"]."/bitrix/footer.php");?>

Answer 1

// это цена
$dbPrice = \CPrice::GetList(
  array(),
  array(
    "PRODUCT_ID" => $PRODUCT_ID,
    "CATALOG_GROUP_ID" => $PERSON_TYPE_ID
  )
);
$arPrice = $dbPrice->Fetch();
$price = $arPrice["PRICE"];

// это список доступных скидок
$arDiscounts = \CCatalogDiscount::GetDiscountByProduct(
    $PRODUCT_ID,
    $USER->GetUserGroupArray(),
    "N",
    $PERSON_TYPE_ID,
    SITE_ID
);
if($arDiscounts !== false) {
  $price = \CCatalogProduct::CountPriceWithDiscount(
      $arPrice["PRICE"],
      $arPrice["CURRENCY"],
      $arDiscounts
  );
}

// в переменной $price будет цена с учетом скидок

Answer 2

This code works for simple discount calculation rules. How to modify it for product discounts that are calculated based on the combination of products in the cart?