<? if (!defined("B_PROLOG_INCLUDED") || B_PROLOG_INCLUDED !== true) {
	die();
}
\Bitrix\Main\Loader::includeModule('iblock');

if ($_POST['basketElement'] && ($_POST['subaction'] == 'upload')) {
	$id = false;
	//search element
	$element = intval($_POST['basketElement']);
	$files = \Webprofy\FileStorage::searchElement($element);
	$arResult['ELEMENT'] = array_shift($files);

	//Files exists, update Element, or add new Element
	if (!empty($_FILES)) {
		//Property
		$resultProps = array(
			'NAME' => 'newElement_' . $element,
			"IBLOCK_SECTION_ID" => false,
			"IBLOCK_ID" => FILE_STORAGE_IBLOCK_ID,
			"PROPERTY_VALUES" => array(
				'FILE' => $_FILES['file'],
				'BASKET_ITEM_ID' => $element
			),
			"ACTIVE" => "Y",
		);

		$oElement = new CIBlockElement();
		if ($arResult['ELEMENT']) {
			$id = $arResult['ELEMENT']['ID'];
			$oElement->Update($id, $resultProps);
		} else {
			if (!$id = $oElement->Add($resultProps)) {
				$errors[] = $oElement->LAST_ERROR;
			}
		}
	}
	return $id;
}

//DeleteFile before del BasketElement
if ($_POST['element'] && (intval($_POST['element']) > 0) && ($_POST['subaction'] == 'delete')) {
	$arElement = \Webprofy\FileStorage::searchByID($_POST['element']);
	if ($arElement) {
		return CIBlockElement::Delete($arElement['ID']);
	}

	return false;
}