entity.php

<?php
namespace Bitrix\Landing\Note\Source;
 
abstract class Entity
{
    const TITLE_LENGTH = 30;
 
    protected static function getDiskFiles(int $sourceId, string $entityType, string $module): array
    {
        $files = [];
 
        if (\Bitrix\Main\Loader::includeModule('disk'))
        {
            $userId = \Bitrix\Landing\Manager::getUserId();
            $filePrefix = \Bitrix\Disk\Uf\FileUserType::NEW_FILE_PREFIX;
            $attachedModels = \Bitrix\Disk\AttachedObject::getModelList([
                'filter' => [
                    '=ENTITY_ID' => $sourceId,
                    '=ENTITY_TYPE' => $entityType,
                    '=MODULE_ID' => $module
                ]
            ]);
            foreach ($attachedModels as $attachedModel)
            {
                if (!$attachedModel->canRead($userId))
                {
                    continue;
                }
                $item = [
                    'id' => $attachedModel->getId(),
                    'object_id' => $attachedModel->getObjectId(),
                    'file_id' => $attachedModel->getFileId(),
                    'file_name' => $attachedModel->getName(),
                    'prefix' => ''
                ];
                $files[$attachedModel->getId()] = $item;
                $item['prefix'] = $filePrefix;
                $files[$filePrefix . $attachedModel->getObjectId()] = $item;
            }
        }
 
        return $files;
    }
 
    abstract public static function getData(int $sourceId): ?array;
}