Base::uploadAvatar

static function uploadAvatar($lang = LANGUAGE_ID)
{
	$avatarUrl = '';

	$class = self::getClassName();
	if (!$class::BOT_CODE)
		return $avatarUrl;

	if (BitrixMainIOFile::isFileExists(BitrixMainApplication::getDocumentRoot().'/bitrix/modules/imbot/install/avatar/'.$class::BOT_CODE.'/'.$lang.'.png'))
	{
		$avatarUrl = BitrixMainApplication::getDocumentRoot().'/bitrix/modules/imbot/install/avatar/'.$class::BOT_CODE.'/'.$lang.'.png';
	}
	else if (BitrixMainIOFile::isFileExists(BitrixMainApplication::getDocumentRoot().'/bitrix/modules/imbot/install/avatar/'.$class::BOT_CODE.'/default.png'))
	{
		$avatarUrl = BitrixMainApplication::getDocumentRoot().'/bitrix/modules/imbot/install/avatar/'.$class::BOT_CODE.'/default.png';
	}

	$avatarUrl = $avatarUrl? CFile::makeFileArray($avatarUrl): '';

	return $avatarUrl;
}