uploadercontextgenerator.php

См. документацию.

<?php
 
namespace Bitrix\Main\UserField\File;
 
use Bitrix\Main\UI\FileInputUtility;
 
class UploaderContextGenerator
{
    public function __construct(
        private readonly FileInputUtility $fileInputUtility,
        private readonly array $userField
    )
    {
    }
 
    public function getContextInEditMode(string $cid): array
    {
        return array_merge(
            $this->getBaseOptions(),
            [
                'cid' => $cid,
            ]
        );
    }
 
    public function getContextForFileInViewMode(int $fileId): array
    {
        return array_merge(
            $this->getBaseOptions(),
            [
                'signedFileId' => (new UploaderFileSigner(
                    (string)($this->userField['ENTITY_ID'] ?? ''),
                    (string)($this->userField['FIELD_NAME'] ?? '')
                ))->sign($fileId),
            ]
        );
    }
 
    public function getControlId(): string
    {
        return $this->fileInputUtility->getUserFieldCid($this->userField);
    }
 
    private function getBaseOptions(): array
    {
        return [
            'id' => (int)($this->userField['ID'] ?? 0),
            'entityId' => (string)($this->userField['ENTITY_ID'] ?? ''),
            'fieldName' => (string)($this->userField['FIELD_NAME'] ?? ''),
            'multiple' => ($this->userField['MULTIPLE'] ?? '') === 'Y',
        ];
    }
}