CIMRestService::searchUser

static function searchUser($arParams, $offset, CRestServer $server)
{
	$arParams = array_change_key_case($arParams, CASE_UPPER);

	if (!isset($arParams['FIND']))
	{
		throw new BitrixRestRestException("Too short a search phrase.", "FIND_SHORT", CRestServer::STATUS_WRONG_REQUEST);
	}

	$params = Array(
		'FILTER' => Array('SEARCH' => $arParams['FIND']),
		'JSON' => 'Y'
	);
	if (isset($arParams['BUSINESS']) && $arParams['BUSINESS'] == 'Y')
	{
		$params['FILTER']['BUSINESS'] = 'Y';
	}

	$ormParams = BitrixImUser::getListParams($params);
	if (is_null($ormParams))
	{
		throw new BitrixRestRestException("Too short a search phrase.", "FIND_SHORT", CRestServer::STATUS_WRONG_REQUEST);
	}

	$ormParams['select'] = array("CNT" => new BitrixMainEntityExpressionField('CNT', 'COUNT(1)'));

	$counter = BitrixMainUserTable::getList($ormParams)->fetch();

	$result = Array();
	if ($counter && $counter["CNT"] > 0)
	{
		$params['OFFSET'] = intval($offset) > 0? intval($offset): (isset($arParams['OFFSET']) && intval($arParams['OFFSET']) > 0? intval($arParams['OFFSET']): 0);
		$params['LIMIT'] = isset($arParams['LIMIT'])? (intval($arParams['LIMIT']) > 50? 50: intval($arParams['LIMIT'])): 10;
		$params['HR_PHOTO'] = isset($arParams['AVATAR_HR']) && $arParams['AVATAR_HR'] == 'Y';
		$params['JSON'] = true;

		$result = BitrixImUser::getList($params);
	}

	return self::setNavData(
		$result,
		array(
			"count" => $counter['CNT'],
			"offset" => $params['OFFSET']
		)
	);
}