RestAdapter.php

<?php
 
namespace Bitrix\Im\V2\Rest;
 
class RestAdapter
{
    protected array $entities = [];
    protected ?PopupData $additionalPopupData = null;
 
    public function __construct(RestConvertible ...$entities)
    {
        $this->entities = $entities ?? [];
    }
 
    public function toRestFormat(array $options = []): array
    {
        $popupData = new PopupData([]);
 
        foreach ($this->entities as $entity)
        {
            if ($entity instanceof PopupDataAggregatable)
            {
                $popupData->merge($entity->getPopupData($options['POPUP_DATA_EXCLUDE'] ?? []));
            }
        }
 
        if (isset($this->additionalPopupData))
        {
            $popupData->merge($this->additionalPopupData);
        }
 
        $rest = $popupData->toRestFormat($options);
 
        if (empty($rest))
        {
            if (count($this->entities) === 1)
            {
                return $this->entities[0]->toRestFormat($options);
            }
        }
 
        foreach ($this->entities as $entity)
        {
            $rest[$entity::getRestEntityName()] = $entity->toRestFormat($options);
        }
 
        return $rest;
    }
 
    public function setAdditionalPopupData(PopupData $popupData): self
    {
        $this->additionalPopupData = $popupData;
 
        return $this;
    }
 
    public function addEntities(RestConvertible ...$entities): self
    {
        foreach ($entities as $entity)
        {
            $this->entities[] = $entity;
        }
 
        return $this;
    }
}