Bitrix. Generate XML from order and send it via mail\ftp

<?
use Bitrix\Main;
use Bitrix\Main\Entity;
use Bitrix\Main\Mail\Event;
use Bitrix\Main\Diag\Debug;

$eventManager = Main\EventManager::getInstance();
$eventManager->addEventHandler("sale", "OnSaleStatusOrderChange", "changeDelivery");

function changeDelivery(Bitrix\Main\Event $event)
{
    $parameters = $event->getParameters();
    $order = $parameters['ENTITY'];

    if (! $order instanceof \Bitrix\Sale\Order) {
        return new \Bitrix\Main\EventResult(
            \Bitrix\Main\EventResult::ERROR,
            new \Bitrix\Sale\ResultError('Неверный объект заказа', 'SALE_EVENT_WRONG_ORDER'),
            'sale'
        );
    }

    $xmlFilepath = 'upload/mailXML/logsisDelivery.xml';
    $absFilePath = $_SERVER["DOCUMENT_ROOT"].'/'.$xmlFilepath;
    $PRODUCT_IBLOCK_ID = 26;
    $SITE_ID = 's1';
    $mailEventName = 'SALE_ORDER_XML_LOGSIS';
    $xmlFields = [];
    $xmlFields['ORDER_ID'] = '00ОУ-'.$order->getId();
    $xmlFields['ORDER_ID_CROP'] = $order->getId();
    $xmlFields['STATUS_ID'] = $order->getField('STATUS_ID');
    $xmlFields['DATE_INSERT'] = $order->getField('DATE_INSERT');
    $collection = $order->getPropertyCollection();
    $locationID = $collection->getDeliveryLocation()->getField('VALUE');
    $arLocation = CSaleLocation::GetByID($locationID);
    $arLocation['ADDRESS'] = $collection->getAddress()->getField('VALUE');
    $xmlFields['LOCATION'] = $arLocation['COUNTRY_NAME'].','.$arLocation['CITY_NAME'].','.$arLocation['ADDRESS'];

    $ftp_server = FTP_SERVER;
    $ftp_user = FTP_USER;
    $ftp_pass = FTP_PASS;
    $ftp_file_name = FTP_FILE_PATH;


    $dbBasketItems = CSaleBasket::GetList(array(), array("ORDER_ID" => $order->getId()), false, false, array());

    while ($arItems = $dbBasketItems->Fetch()) {
        $xmlFields['ITEMS'][] = $arItems;
    }

    if ($xmlFields['STATUS_ID'] && $xmlFields['STATUS_ID'] == 'dd') {
        $dom = new DOMDocument('1.0', 'utf-8');
        $dom->preserveWhiteSpace = false;
        $dom->formatOutput = true;

        $root = $dom->createElement("ЗаказНаОтгрузку");
        $dom->appendChild($root);
        $man = $dom->createElement("Справочники");
        $doc = $dom->createElement("Документы");


        foreach ($xmlFields['ITEMS'] as $key => $arItem) {
            $db_props_art = CIBlockElement::GetProperty(
                $PRODUCT_IBLOCK_ID,
                $arItem['PRODUCT_ID'],
                ["sort" => "asc"],
                ["CODE" => 'CML2_ARTICLE']
            );

            $db_props_code = CIBlockElement::GetProperty(
                $PRODUCT_IBLOCK_ID,
                $arItem['PRODUCT_ID'],
                ["sort" => "asc"],
                ["CODE" => 'SHTRIKH_KOD']
            );

            $ar_res = CCatalogProduct::GetByID($arItem['PRODUCT_ID']);

            $itemArt = '';
            $itemCode = '';

            if ($ar_props = $db_props_code->Fetch()) {
                $itemCode = $ar_props["VALUE"];
            }

            if ($ar_props = $db_props_art->Fetch()) {
                $itemArt = $ar_props["VALUE"];
            }

            $xmlFields['ITEMS'][$key]['ARTNUMBER'] = $itemArt;
            $xmlFields['ITEMS'][$key]['CCODE'] = $itemCode;
            $xmlFields['ITEMS'][$key]['CAT_WEIGHT'] = $ar_res['WEIGHT'];

            $manNom = $dom->createElement("Номенклатура");
            $manNomGroup = $dom->createElement("ПризнакГруппы", '0');
            $manNomID = $dom->createElement("КодТовара", $itemArt);
            $manNomName = $dom->createElement("Наименование", $arItem['NAME']);
            $manNomNameStr = $dom->createElement("КраткоеНаименование", $arItem['NAME']);
            $manNomHolder = $dom->createElement("Поклажедатель", '000000280');
            $manNomArt = $dom->createElement("Артикул", $itemArt);
            $manNomVal = $dom->createElement("ЕдиницаИзмерения");
            $manNomValCode = $dom->createElement("Код", '796');
            $manNomValBase = $dom->createElement("Базовая", '1');
            $manNomValCof = $dom->createElement("КоэффициентПересчета", '1');
            $manNomValStore = $dom->createElement("ЕдиницаХранения", 'шт.');
            $manNomValW = $dom->createElement("Вес", $xmlFields['ITEMS'][$key]['CAT_WEIGHT']);
            $manNomValVol = $dom->createElement("Объем", '0');
            $manNomValCodeProp = $dom->createElement("ШтрихКод", $itemCode);

            unset($itemArt);
            unset($itemCode);

            /*ЕдиницаИзмерения*/
            $manNomVal->appendChild($manNomValCode);
            $manNomVal->appendChild($manNomValBase);
            $manNomVal->appendChild($manNomValCof);
            $manNomVal->appendChild($manNomValStore);
            $manNomVal->appendChild($manNomValW);
            $manNomVal->appendChild($manNomValVol);
            $manNomVal->appendChild($manNomValCodeProp);
            /*ЕдиницаИзмерения.END*/

            /*Номенклатура*/
            $manNom->appendChild($manNomGroup);
            $manNom->appendChild($manNomID);
            $manNom->appendChild($manNomName);
            $manNom->appendChild($manNomNameStr);
            $manNom->appendChild($manNomHolder);
            $manNom->appendChild($manNomArt);
            $manNom->appendChild($manNomVal);
            /*Номенклатура.END*/

            $man->appendChild($manNom);
        }

        $manAgent = $dom->createElement("Контрагенты");
        $manAgentGroup = $dom->createElement("ПризнакГруппы", '0');
        $manAgentCode = $dom->createElement("КодКонтрагента", '*******');
        $manAgentName = $dom->createElement("Наименование", 'ООО "ЛОГСИС ГРУПП"');
        $manAgentNameShort = $dom->createElement("ПолноеНаименование", 'ООО "ЛОГСИС ГРУПП"');
        $manAgentINN = $dom->createElement("ИНН", '********');
        $manAgentOKPO = $dom->createElement("ОКПО", '*******');
        $manAgentBill = $dom->createElement("НомерСчета", '**********');
        $manAgentBIK = $dom->createElement("БИК", '********');

        /*Контрагенты*/
        $manAgent->appendChild($manAgentGroup);
        $manAgent->appendChild($manAgentCode);
        $manAgent->appendChild($manAgentName);
        $manAgent->appendChild($manAgentNameShort);
        $manAgent->appendChild($manAgentINN);
        $manAgent->appendChild($manAgentOKPO);
        $manAgent->appendChild($manAgentBill);
        $manAgent->appendChild($manAgentBIK);
        $man->appendChild($manAgent);
        /*Контрагенты.END*/

        $docPlan = $dom->createElement("ПланированиеОтгрузки");
        $docPlanOrgCode = $dom->createElement("КодОрганизации", '000000003');
        $docPlanOrderID = $dom->createElement("НомерЗаявки", $xmlFields['ORDER_ID']);
        $docPlanOrderDate = $dom->createElement("ДатаЗаявки", $xmlFields['DATE_INSERT']);
        $docPlanOrderDocView = $dom->createElement("ВидДокумента", '6');
        $docPlanOrderDDate = $dom->createElement("ДатаОтгрузкиПлан", $xmlFields['DATE_INSERT']);
        $docPlanOrderKis = $dom->createElement("КодПоклажедателя_КИС", '000000280');
        $docPlanOrderKisFwd = $dom->createElement("КодПолучателя_КИС", 'С00000051');
        $docPlanOrderManager= $dom->createElement("Менеджер", 'Гржибовская Е.Ю.');
        $docPlanOrderAddress= $dom->createElement("АдресДоставки", $xmlFields['LOCATION']);

        /*ПланированиеОтгрузки*/
        $docPlan->appendChild($docPlanOrgCode);
        $docPlan->appendChild($docPlanOrderID);
        $docPlan->appendChild($docPlanOrderDate);
        $docPlan->appendChild($docPlanOrderDocView);
        $docPlan->appendChild($docPlanOrderDDate);
        $docPlan->appendChild($docPlanOrderKis);
        $docPlan->appendChild($docPlanOrderKisFwd);
        $docPlan->appendChild($docPlanOrderManager);
        $docPlan->appendChild($docPlanOrderAddress);
        /*ПланированиеОтгрузки.END*/

        foreach ($xmlFields['ITEMS'] as $arItem) {
            $docPlanItem = $dom->createElement("Строка");
            $docPlanItemPropID = $dom->createElement("КодТовара", $arItem['ARTNUMBER']);
            $docPlanItemPropCNT = $dom->createElement("Количество", $arItem['QUANTITY']);
            $docPlanItemPropPriceTotal = $arItem['PRICE']; //Show single val
            /*$docPlanItemPropPriceTotal = intval($arItem['PRICE'])*intval($arItem['QUANTITY']);*/ //Show total val
            $docPlanItemPropPrice = $dom->createElement("Цена", $docPlanItemPropPriceTotal);

            /*Строка*/
            $docPlanItem->appendChild($docPlanItemPropID);
            $docPlanItem->appendChild($docPlanItemPropCNT);
            $docPlanItem->appendChild($docPlanItemPropPrice);
            $docPlan->appendChild($docPlanItem);
            /*Строка.END*/
        }

        /*Build final XML DOM*/
        $doc->appendChild($docPlan);
        $root->appendChild($man);
        $root->appendChild($doc);

        $resultXML = $dom->saveXML();

        if (file_exists($_SERVER["DOCUMENT_ROOT"].'/'.$xmlFilepath)) {
            unlink($_SERVER["DOCUMENT_ROOT"].'/'.$xmlFilepath);
        }

        /*Save result XML to file*/
        Debug::writeToFile($resultXML, "", $xmlFilepath);

        /*Upload file via FTP*/
        $conn_id = ftp_connect($ftp_server);

        $login_result = ftp_login($conn_id, $ftp_user, $ftp_pass);

        ftp_pasv($conn_id, true); //passive mode

        /*FTP_debug*/

       /*

        if (file_exists($_SERVER["DOCUMENT_ROOT"].'/upload/mailXML/logsis_log.txt')) {
            unlink($_SERVER["DOCUMENT_ROOT"].'/upload/mailXML/logsis_log.txt');
        }

        if (! $conn_id) {
            Debug::writeToFile('Ошибка соединения', "", 'upload/mailXML/logsis_log.txt');
        }

        if (! $login_result) {
            Debug::writeToFile('Ошибка авторизации', "", 'upload/mailXML/logsis_log.txt');
        }
        */

        /*FTP_debug.END*/

        if (ftp_put($conn_id, $ftp_file_name, $absFilePath, FTP_ASCII)) {
            Debug::writeToFile(ConvertTimeStamp().' - успешно загружен на сервер '. FTP_SERVER, "", 'upload/mailXML/logsis_log.txt');
        } else {
            Debug::writeToFile(ConvertTimeStamp().'Ошбика загрузки', "", 'upload/mailXML/logsis_log.txt');
        }

        ftp_close($conn_id);

        $arEventFields = [
            "ORDER_ID_PROP" => $xmlFields['ORDER_ID'],
            "ORDER_ID" => $xmlFields['ORDER_ID_CROP']
        ];


        /*Send file via email*/
        CEvent::Send($mailEventName, $SITE_ID,
            $arEventFields,
            'Y',
            '',
            array($_SERVER["DOCUMENT_ROOT"].'/'.$xmlFilepath)
        );

    }
}