mapper.php

<?php
 
namespace Bitrix\Seo\LeadAds;
 
use Bitrix\Main\ArgumentNullException;
 
class Mapper
{
    protected $map = [];
 
    public function __construct(array $items = [])
    {
        $this->setItems($items);
    }
 
    public function getCrmName($adsName)
    {
        $item = $this->getMapItem(null, $adsName);
        return empty($item) ? null : $item['CRM_NAME'];
    }
 
    public function getAdsName($crmName)
    {
        $item = $this->getMapItem($crmName, null);
        return empty($item) ? null : $item['ADS_NAME'];
    }
 
    public function setItems(array $items = [])
    {
        $this->map = [];
        foreach ($items as $item)
        {
            if (empty($item['CRM_NAME']))
            {
                throw new ArgumentNullException('CRM_NAME');
            }
            if (empty($item['ADS_NAME']))
            {
                throw new ArgumentNullException('ADS_NAME');
            }
 
            $this->addItem($item['CRM_NAME'], $item['ADS_NAME']);
        }
 
        return $this;
    }
 
    public function addItem($crmName, string $adsName)
    {
        if (empty($crmName))
        {
            throw new ArgumentNullException('$crmName');
        }
        if (empty($adsName))
        {
            throw new ArgumentNullException('$adsName');
        }
 
        $this->map[] = [
            'CRM_NAME' => $crmName,
            'ADS_NAME' => $adsName,
        ];
 
        return $this;
    }
 
    protected function getMapItem($crmName = null, $adsName = null)
    {
        if (empty($crmName) && empty($adsName))
        {
            return null;
        }
 
        foreach ($this->map as $item)
        {
            if ($crmName && $item['CRM_NAME'] === $crmName)
            {
                return $item;
            }
 
            if ($adsName && $item['ADS_NAME'] === $adsName)
            {
                return $item;
            }
        }
 
        return null;
    }
}