MorePhotoImage.php

См. документацию.

<?php
 
namespace Bitrix\Catalog\v2\Image;
 
use Bitrix\Catalog\v2\BaseEntity;
use Bitrix\Catalog\v2\BaseIblockElementEntity;

class MorePhotoImage extends BaseImage
{
    public const CODE = 'MORE_PHOTO';
 
    public function setFileStructure(array $fileFields): BaseImage
    {
        parent::setFileStructure($fileFields);

        if ($parent = $this->getParent())
        {
            $property = $parent->getPropertyCollection()->findByCodeLazy(self::CODE);
            if ($property)
            {
                $item = $property->getPropertyValueCollection()->findByValue($this->getId());
 
                if ($item)
                {
                    $item->setValue($this->getFileStructure());
                }
                else
                {
                    if ($property->isMultiple())
                    {
                        $values = $property->getPropertyValueCollection()->getValues();
                        $values[] = $this->getFileStructure();
                    }
                    else
                    {
                        $values = [
                            $this->getFileStructure(),
                        ];
                    }
                    $property->getPropertyValueCollection()->setValues($values);
                }
            }
        }
 
        return $this;
    }
 
    public function remove(): BaseEntity
    {
        if ($parent = $this->getParent())
        {
            $property = $parent->getPropertyCollection()->findByCodeLazy(MorePhotoImage::CODE);
            if ($property)
            {
                $valueCollection = $property->getPropertyValueCollection();
 
                foreach ($valueCollection as $item)
                {
                    if ((int)$item->getValue() === $this->getId())
                    {
                        $valueCollection->remove($item);
                        break;
                    }
                }
            }
        }
 
        return parent::remove();
    }
}