linkfile.php

<?php
namespace Bitrix\Im\Model;
 
use Bitrix\Disk\Internals\FileTable;
use Bitrix\Main\ORM\Data\DataManager;
use Bitrix\Main\ORM\Data\Internal\DeleteByFilterTrait;
use Bitrix\Main\ORM\Fields\DatetimeField;
use Bitrix\Main\ORM\Fields\IntegerField;
use Bitrix\Main\ORM\Fields\Relations\Reference;
use Bitrix\Main\ORM\Fields\StringField;
use Bitrix\Main\ORM\Fields\Validators\LengthValidator;
use Bitrix\Main\ORM\Query\Join;
use Bitrix\Main\Type\DateTime;
 
class LinkFileTable extends DataManager
{
    use DeleteByFilterTrait;
 
    public static function getTableName()
    {
        return 'b_im_link_file';
    }
 
    public static function getMap()
    {
        return [
            'ID' => new IntegerField(
                'ID',
                [
                    'primary' => true,
                    'autocomplete' => true,
                ]
            ),
            'MESSAGE_ID' => new IntegerField(
                'MESSAGE_ID',
                [
                ]
            ),
            'CHAT_ID' => new IntegerField(
                'CHAT_ID',
                [
                ]
            ),
            'SUBTYPE' => new StringField(
                'SUBTYPE',
                [
                    'validation' => [__CLASS__, 'validateSubtype'],
                ]
            ),
            'DISK_FILE_ID' => new IntegerField(
                'DISK_FILE_ID',
                [
                ]
            ),
            'DATE_CREATE' => new DatetimeField(
                'DATE_CREATE',
                [
                    'required' => true,
                    'default_value' => static function() {
                        return new DateTime();
                    }
                ]
            ),
            'AUTHOR_ID' => new IntegerField(
                'AUTHOR_ID',
                [
                    'required' => true,
                ]
            ),
            'FILE' => (new Reference(
                'FILE',
                FileTable::class,
                Join::on('this.DISK_FILE_ID', 'ref.ID')
            ))->configureJoinType(Join::TYPE_INNER),
        ];
    }
 
    public static function validateSubtype(): array
    {
        return [
            new LengthValidator(null, 50),
        ];
    }
}