CCrmProduct::ObtainPricesVats

static function ObtainPricesVats(&$arProducts, &$arProductId, &$arPricesSelect, &$arCatalogProductSelect, $bRealPrice = false)
{
	if (is_array($arProducts) && is_array($arProductId) && is_array($arPricesSelect) && is_array($arCatalogProductSelect)
		&& count($arProductId) > 0 && count($arProducts) > 0 && (count($arPricesSelect) + count($arCatalogProductSelect)) > 0)
	{
		$arEntitiesFieldsets = array();
		if (count($arPricesSelect) > 0)
			$arEntitiesFieldsets[] = array(
				'name' => 'price',
				'class' => 'CCrmProduct',
				'method' => 'GetPrices',
				'fieldset' => &$arPricesSelect,
				'idField' => 'PRODUCT_ID',
				'fieldMap' => array(
					'PRICE' => 'PRICE',
					'CURRENCY_ID' => 'CURRENCY'
				)
			);
		if (count($arCatalogProductSelect) > 0 || (in_array('PRICE', $arPricesSelect, true) && !$bRealPrice))
			$arEntitiesFieldsets[] = array(
				'name' => 'vat',
				'class' => 'CCrmProduct',
				'method' => 'GetCatalogProductFields',
				'fieldset' => &$arCatalogProductSelect,
				'idField' => 'ID',
				'fieldMap' => array(
					'VAT_INCLUDED' => 'VAT_INCLUDED',
					'VAT_ID' => 'VAT_ID',
					'MEASURE' => 'MEASURE'
				)
			);
		$nProducts = count($arProductId);
		$nStepSize = 500;
		$nSteps = intval(floor($nProducts / $nStepSize)) + 1;
		$nOffset = $nRange = 0;
		$arStepProductId = $fieldset = $arRow = array();
		$fieldName = '';
		while ($nSteps > 0)
		{
			$nRange = ($nSteps > 1) ? $nStepSize : $nProducts - $nOffset;
			if ($nRange > 0)
			{
				$arStepProductId = array_slice($arProductId, $nOffset, $nRange);
				foreach ($arEntitiesFieldsets as $fieldset)
				{
					$dbStep = call_user_func(array($fieldset['class'], $fieldset['method']), $arStepProductId);
					if ($dbStep)
					{
						/** @var Main\ORM\Query\Result $dbStep */
						while ($arRow = $dbStep->fetch())
						{
							foreach ($fieldset['fieldset'] as $fieldName)
							{
								if (isset($arProducts[$arRow[$fieldset['idField']]]))
								{
									$arProduct = &$arProducts[$arRow[$fieldset['idField']]];
									if (array_key_exists($fieldName, $arProduct) && array_key_exists($fieldset['fieldMap'][$fieldName], $arRow))
									{
										$prefix = array_key_exists('~'.$fieldName, $arProduct) ? '~' : '';
										$arProduct[$prefix.$fieldName] = $arRow[$fieldset['fieldMap'][$fieldName]];
										if (!empty($prefix))
											$arProduct[$fieldName] = htmlspecialcharsbx($arProduct[$prefix.$fieldName]);
									}
								}
							}
							if ($fieldset['name'] === 'vat'
								&& (!isset($bRealPrice) || $bRealPrice !== true))
							{
								if (isset($arProducts[$arRow[$fieldset['idField']]]))
								{
									$arProduct = &$arProducts[$arRow[$fieldset['idField']]];
									$prefix = isset($arProduct['~PRICE']) ? '~' : '';
									if (isset($arProduct[$prefix.'PRICE'])
										&& doubleval($arProduct[$prefix.'PRICE']) != 0.0
										&& $arRow['VAT_INCLUDED'] !== 'Y'
										&& intval($arRow['VAT_ID']) > 0)
									{
										$arProduct[$prefix.'PRICE'] = self::RecalculatePriceVat(
											$arProduct[$prefix.'PRICE'], $arRow['VAT_INCLUDED'], $arRow['VAT_ID']
										);
										if (!empty($prefix))
											$arProduct['PRICE'] = htmlspecialcharsbx($arProduct[$prefix.'PRICE']);
									}
								}
							}
						}
					}
				}
			}
			$nOffset += $nStepSize;
			$nSteps--;
		}
	}
}