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<?php
class CSearchSuggest
{
var $_filter_md5 = "";
var $_phrase = "";
public function __construct($strFilterMD5 = "", $phrase = "")
{
$strFilterMD5 = mb_strtolower($strFilterMD5);
if (preg_match("/^[0-9a-f]{32}$/", $strFilterMD5))
$this->_filter_md5 = $strFilterMD5;
$phrase = ToLower(trim($phrase, " \t\n\r"));
if ($l = mb_strlen($phrase))
{
if ($l > 250)
{
$p = mb_strrpos($phrase, ' ');
if ($p === false)
$phrase = mb_substr($phrase, 0, 250);
else
$phrase = mb_substr($phrase, 0, $p);
}
$this->_phrase = $phrase;
}
}
function SetResultCount($result_count)
{
$DB = CDatabase::GetModuleConnection('search');
if (mb_strlen($this->_filter_md5) && mb_strlen($this->_phrase))
{
$result_count = intval($result_count);
$filter_md5 = $DB->ForSQL($this->_filter_md5);
$phrase = $DB->ForSQL($this->_phrase, 250);
$rsQueryStat = $DB->Query("
SELECT ID, FILTER_MD5, RATE, DATEDIFF(now(), TIMESTAMP_X) DAYS, RESULT_COUNT
FROM b_search_suggest
WHERE SITE_ID = '".SITE_ID."'
AND FILTER_MD5 = '".$filter_md5."'
AND PHRASE = '".$phrase."'
");
$arQueryStat = $rsQueryStat->Fetch();
if (!$arQueryStat)
{
$DB->Add("b_search_suggest", array(
"SITE_ID" => SITE_ID,
"FILTER_MD5" => $this->_filter_md5,
"PHRASE" => $this->_phrase,
"RATE" => 1.0,
"~TIMESTAMP_X" => $DB->CurrentTimeFunction(),
"RESULT_COUNT" => $result_count,
));
}
else
{
$bUpdate = $result_count != $arQueryStat["RESULT_COUNT"];
$suggest_save_days = COption::GetOptionInt("search", "suggest_save_days");
if ($suggest_save_days <= 0)
$suggest_save_days = 360;
if ($arQueryStat["DAYS"] <= 0)
{
$rate = $arQueryStat["RATE"];
$bUpdate = $bUpdate || false;
}
elseif ($arQueryStat["DAYS"] >= $suggest_save_days)
{
$rate = 1.0;
$bUpdate = $bUpdate || true;
}
else
{
$rate = doubleval($arQueryStat["RATE"]) + ($suggest_save_days - $arQueryStat["DAYS"]) / $suggest_save_days;
$bUpdate = $bUpdate || true;
}
if ($bUpdate)
{
$DB->Query("
UPDATE
b_search_suggest
SET
RESULT_COUNT = ".$result_count.",
RATE = ".$rate.",
TIMESTAMP_X = ".$DB->CurrentTimeFunction()."
WHERE
ID = ".$arQueryStat["ID"]."
");
}
}
while ($arQueryStat = $rsQueryStat->Fetch())
{
$DB->Query("DELETE FROM b_search_suggest WHERE ID = ".$arQueryStat["ID"]);
}
}
}
function GetList($nTopCount, $site_id = null)
{
$DB = CDatabase::GetModuleConnection('search');
if (!isset($site_id))
$site_id = SITE_ID;
if($this->_phrase <> '')
{
$nTopCount = intval($nTopCount);
if($nTopCount <= 0)
{
$nTopCount = 10;
}
$phrase = $DB->ForSQL($this->_phrase);
$site_id = $DB->ForSQL($site_id);
if($this->_filter_md5 <> '')
{
$filter_md5 = $DB->ForSQL($this->_filter_md5, 32);
return $DB->Query($DB->TopSql("
SELECT PHRASE, RESULT_COUNT CNT, RATE
FROM b_search_suggest
WHERE SITE_ID = '".$site_id."'
AND FILTER_MD5 = '".$filter_md5."'
AND PHRASE LIKE '".$phrase."%'
ORDER BY RATE DESC, PHRASE ASC
", $nTopCount));
}
else
{
return $DB->Query($DB->TopSql("
SELECT PHRASE, max(RESULT_COUNT) CNT, max(RATE) RATE
FROM b_search_suggest
WHERE SITE_ID = '".$site_id."'
AND PHRASE LIKE '".$phrase."%'
GROUP BY PHRASE
ORDER BY RATE DESC, PHRASE ASC
", $nTopCount));
}
}
else
{
return false;
}
}
public static function CleanUpAgent()
{
$DB = CDatabase::GetModuleConnection('search');
$cleanup_days = COption::GetOptionInt("search", "suggest_save_days");
if ($cleanup_days > 0)
{
$arDate = localtime(time());
$date = mktime(0, 0, 0, $arDate[4] + 1, $arDate[3] - $cleanup_days, 1900 + $arDate[5]);
$DB->Query("DELETE FROM b_search_suggest WHERE TIMESTAMP_X <= ".$DB->CharToDateFunction(ConvertTimeStamp($date, "FULL")));
}
return "CSearchSuggest::CleanUpAgent();";
}
}