<?
AddEventHandler("iblock", "OnAfterIBlockElementAdd", "OnIBlockElementAdd");
AddEventHandler("iblock", "OnBeforeIBlockElementUpdate", "OnIBlockElementUpdate");
CModule::IncludeModule("iblock");

function OnIBlockElementAdd(&$arFields)
{
	if($arFields['IBLOCK_ID'] == 10){

		$average_rating = 0;
		$count = 0;
		$is_active = false;
		$res = CIBlockElement::GetList(array(), array('IBLOCK_ID' => 10, 'ACTIVE' => 'Y', 'PROPERTY_PRODUCT_ID'=> $arFields['PROPERTY_VALUES']['PRODUCT_ID']), false, false, array("ID", 'PROPERTY_RATING'));
		while($ar = $res->GetNext()){
			$is_active = true;
			$count++;
			$average_rating += $ar['PROPERTY_RATING_VALUE'];
		}
		$average_rating = round($average_rating / $count);

		if($is_active){
			CIBlockElement::SetPropertyValuesEx($arFields['PROPERTY_VALUES']['PRODUCT_ID'], 2, array('COMMENTS_CNT' => $count, 'rating' => $average_rating));
		}

	}
}

function OnIBlockElementUpdate(&$arFields)
{
	if( ( $arFields['IBLOCK_ID'] == 2 && !CCatalogSKU::IsExistOffers($arFields['ID'],$arFields['IBLOCK_ID']) ) || $arFields['IBLOCK_ID'] == 3){

		$ar_res = CCatalogProduct::GetByID($arFields['ID']);

		if($ar_res['QUANTITY'] == 0){

			$not_available = ($arFields['IBLOCK_ID'] == '3') ? '33': '35';
			$porduct_state = ($arFields['IBLOCK_ID'] == '3') ? '92': '60';


			$arFields['PROPERTY_VALUES'][$porduct_state] = [ 0 => ["VALUE" => $not_available] ];

		}
	}

	if($arFields['IBLOCK_ID'] == 2){

		if($arFields['PROPERTY_VALUES'][60][0]['VALUE'] == '22' || $arFields['PROPERTY_VALUES'][60][0]['VALUE'] == '23'){

			$arFields['PROPERTY_VALUES'][59] = [ 0 => ["VALUE" => 20] ];

		}

	}

	if($arFields['IBLOCK_ID'] == 10){

		$average_rating = 0;
		$count = 0;
		$is_active = false;

		$res = CIBlockElement::GetList(array(), array('IBLOCK_ID' => 10, 'ACTIVE' => 'Y', 'PROPERTY_PRODUCT_ID'=> $arFields['PROPERTY_VALUES']['81']['5061']['VALUE']), false, false, array("ID", 'PROPERTY_RATING'));
		while($ar = $res->GetNext()){
			$is_active = true;
			$count++;
			$average_rating += $ar['PROPERTY_RATING_VALUE'];
		}
		$average_rating = round($average_rating / $count);

		if($is_active){
			CIBlockElement::SetPropertyValuesEx($arFields['PROPERTY_VALUES']['81']['5061']['VALUE'], 2, array('COMMENTS_CNT' => $count, 'rating' => $average_rating));
		}

	}

}
?>