exportpattern.php

<?php
 
namespace Bitrix\Sale\Exchange;
 
 
use Bitrix\Sale\Exchange\OneC\DocumentBase;
use Bitrix\Sale\Result;
 
abstract class ExportPattern
{
    abstract protected function getItems(array $fields);
 
    abstract protected function convert(array $items);
 
    abstract protected function export(array $items);
 
    abstract protected function logger(array $items);
 
    public function proccess(array $fields)
    {
        $r = $this->getItems($fields);
        if(!$r->isSuccess())
            return $r;
 
        $entityItems = $r->getData();
        $r = $this->convert($entityItems);
        if(!$r->isSuccess())
            return $r;
 
        $documents = $r->getData();
        $r = $this->export($documents);
 
        $this->logger($entityItems);
 
        return $r;
    }
}