CAllSocNetLogFavorites::Change

static function Change($user_id, $log_id, array $params = array('TRIGGER_EVENT' => true))
{
	global $DB, $APPLICATION;

	$user_id = intval($user_id);
	$log_id = intval($log_id);

	if ($user_id <= 0 || $log_id <= 0)
	{
		if ($user_id <= 0)
			$APPLICATION->ThrowException(GetMessage("SONET_LF_WRONG_PARAMETER_USER_ID"), "EMPTY_USER_ID");
		else
			$APPLICATION->ThrowException(GetMessage("SONET_LF_WRONG_PARAMETER_LOG_ID"), "EMPTY_LOG_ID");

		return false;
	}

	$strSQL = "SELECT * FROM b_sonet_log_favorites WHERE USER_ID = ".$user_id." AND LOG_ID = ".$log_id;
	$dbRes = $DB->Query($strSQL, false, "FILE: ".__FILE__."
 LINE: ".__LINE__);

	$pool = BitrixMainApplication::getInstance()->getConnectionPool();
	$pool->useMasterOnly(true);

	$result = false;
	if (!$arRes = $dbRes->Fetch())
	{
		$strSQL = "INSERT INTO b_sonet_log_favorites (USER_ID, LOG_ID) VALUES(".$user_id.", ".$log_id.")";
		if ($DB->Query($strSQL, false, "FILE: ".__FILE__."
 LINE: ".__LINE__))
			$result = "Y";
		else
			$APPLICATION->ThrowException(GetMessage("SONET_LF_CANNOT_INSERT"), "CANNOT_INSERT");
	}
	else
	{
		$strSQL = "DELETE FROM b_sonet_log_favorites WHERE USER_ID = ".$user_id." AND LOG_ID = ".$log_id;
		if ($DB->Query($strSQL, false, "FILE: ".__FILE__."
 LINE: ".__LINE__))
			$result = "N";
		else
			$APPLICATION->ThrowException(GetMessage("SONET_LF_CANNOT_INSERT"), "CANNOT_DELETE");
	}

	$pool->useMasterOnly(false);

	if(
		$result
		&& (!isset($params['TRIGGER_EVENT']) || $params['TRIGGER_EVENT'] === true)
	)
	{
		foreach(GetModuleEvents('socialnetwork', 'OnSonetLogFavorites', true) as $arEvent)
		{
			ExecuteModuleEventEx($arEvent, array(array('USER_ID' => $user_id, 'LOG_ID' => $log_id, 'OPERATION' => $result == 'Y' ? 'ADD' : 'DELETE')));
		}
	}

	return $result;
}