manager.php

<?php
 
namespace Bitrix\Calendar\Sharing\Link\Member;
 
class Manager
{
    public function createMembersFromEntityObject($memberEOsCollection): array
    {
        $result = [];
        foreach ($memberEOsCollection as $memberEO)
        {
            if (!empty($memberEO->getUser()))
            {
                $result[] = $this->createMemberFromUserEntityObject($memberEO->getUser(), $memberEO->getImage());
            }
        }
 
        return $result;
    }
 
    public function createMemberFromUserEntityObject($userEO, $fileEO): Member
    {
        return (new Member())
            ->setName($userEO->getName())
            ->setLastName($userEO->getLastName())
            ->setId($userEO->getId())
            ->setAvatar($this->getFileSrc($fileEO))
        ;
    }
 
    private function getFileSrc($fileEO): string
    {
        if (is_null($fileEO))
        {
            return '';
        }
 
        if ($fileEO->getWidth() <= 100 || $fileEO->getHeight() <= 100)
        {
            return \CFile::GetFileSRC($fileEO->collectValues());
        }
 
        $file = \CFile::resizeImageGet(
            $fileEO->collectValues(),
            ['width' => 100, 'height' => 100],
            BX_RESIZE_IMAGE_EXACT,
            false
        );
 
        return !empty($file['src']) ? $file['src'] : '';
    }
 
    public function convertToArray(Member $member): array
    {
        return [
            'id' => $member->getId(),
            'name' => $member->getName(),
            'lastName' => $member->getLastName(),
            'avatar' => $member->getAvatar(),
        ];
    }
}