ChatOnlyProvider.php

См. документацию.

<?php
 
namespace Bitrix\Im\V2\Integration\UI\EntitySelector;
 
use Bitrix\Im\V2\Chat;

class ChatOnlyProvider extends RecentProvider
{
    protected const ENTITY_ID = 'im-chat-only';

    protected const ALLOWED_SEARCH_CHAT_TYPES = [
        Chat::IM_TYPE_CHAT,
        Chat::IM_TYPE_OPEN,
        Chat::IM_TYPE_CHANNEL,
        Chat::IM_TYPE_OPEN_CHANNEL,
    ];
 
    public function __construct(array $options = [])
    {
        $options[self::INCLUDE_ONLY_OPTION] = [self::FLAG_CHATS];
        parent::__construct($options);
        $this->options[self::ONLY_WITH_MANAGE_USERS_ADD_RIGHT_OPTION] = true;
        $this->options[self::ONLY_WITH_NULL_ENTITY_TYPE_OPTION] = true;
    }

    protected function getDefaultDialogItems(): array
    {
        $chatIds = $this->getCommonChatQueryWithOrder()
            ->fetchCollection()
            ?->getIdList()
            ?? []
        ;
 
        return array_map(static fn (int $chatId): string => 'chat' . $chatId, $chatIds);
    }
 
    protected function getAllowedChatTypesForQuery(): array
    {
        return $this->options[self::SEARCH_CHAT_TYPES_OPTION];
    }
}