formresponse.php

См. документацию.

<?php
 
namespace Bitrix\Seo\LeadAds\Response;
 
 
use Bitrix\Main\Result;
use Bitrix\Seo\LeadAds\LeadAdsForm;
use Bitrix\Seo\Retargeting\Response;
use Bitrix\Seo\LeadAds\Response\Builder\FormBuilderInterface;
 
class FormResponse extends Result
{
    protected $data = [];

    protected $formBuilder;

    private $currentResponse;

    private $responseCount;

    public function __construct(FormBuilderInterface $formBuilder, Response... $responses)
    {
        parent::__construct();
 
        $this->formBuilder = $formBuilder;
        $this->currentResponse = 0;
        $this->responseCount = count($responses);
 
        foreach ($responses as $response)
        {
            if (!$response->isSuccess())
            {
                $this->addErrors($response->getErrors());
            }
        }
 
        $this->data = array_values($responses);
    }

    public function setData(array $data): FormResponse
    {
        return new static($this->formBuilder,...$data);
    }

    public function fetch(): ?LeadAdsForm
    {
        if ($this->currentResponse >= $this->responseCount || !$this->isSuccess())
        {
            return null;
        }

        if (!$form = $this->data[$this->currentResponse]->fetch())
        {
            ++$this->currentResponse;
 
            return $this->fetch();
        }
 
        return $this->formBuilder->buildForm($form);
    }

    public function fetchAll(): array
    {
        for($fetchResult = array(); null !== $item = $this->fetch();)
        {
            $fetchResult[] = $item;
        }
 
        return $fetchResult;
    }
}