FilePopupItem.php

<?php
 
namespace Bitrix\Im\V2\Entity\File;
 
use Bitrix\Im\V2\Rest\PopupData;
use Bitrix\Im\V2\Rest\PopupDataAggregatable;
use Bitrix\Im\V2\Rest\PopupDataItem;
 
class FilePopupItem implements PopupDataItem, PopupDataAggregatable
{
    private FileCollection $files;
 
    public function __construct($files = null)
    {
        if (!$files instanceof FileCollection)
        {
            $this->files = new FileCollection();
        }
        else
        {
            $this->files = $files;
        }
 
        if ($files instanceof FileItem)
        {
            if ($this->files->getById($files->getId()) === null)
            {
                $this->files[] = $files;
            }
        }
    }
 
    public function merge(PopupDataItem $item): self
    {
        if ($item instanceof self)
        {
            foreach ($item->files as $file)
            {
                if ($this->files->getById($file->getId()) === null)
                {
                    $this->files[] = $file;
                }
            }
        }
 
        return $this;
    }
 
    public static function getRestEntityName(): string
    {
        return FileCollection::getRestEntityName();
    }
 
    public function toRestFormat(array $option = []): array
    {
        return $this->files->getUnique()->toRestFormat($option);
    }
 
    public function getPopupData(array $excludedList = []): PopupData
    {
        return $this->files->getPopupData($excludedList);
    }
}