schema.php

<?php
namespace Bitrix\Sale\Helpers\Admin\Blocks\Archive;
 
use Bitrix\Sale;
 
abstract class Schema
{
    protected $order;
 
    function __construct()
    {
    }
 
    public function getBlocks(Sale\Order $order)
    {
        $html = array();
        $blockList = $this->collectBlocks();
 
        foreach ($blockList as $blockName)
        {
            $block = new $blockName;
            $block->setOrder($order);
            $html[$block->getName()] = $block->buildBlock();
            unset($block);
        }
        return $html;
    }
 
    abstract protected function collectBlocks();
}