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Direktori : /home/bitrix/www/bitrix/modules/search/classes/mysql/ |
Current File : //home/bitrix/www/bitrix/modules/search/classes/mysql/suggest.php |
<?php class CSearchSuggest { var $_filter_md5 = ""; var $_phrase = ""; function __construct($strFilterMD5 = "", $phrase = "") { return $this->CSearchSuggest($strFilterMD5, $phrase); } function CSearchSuggest($strFilterMD5 = "", $phrase = "") { $strFilterMD5 = strtolower($strFilterMD5); if (preg_match("/^[0-9a-f]{32}$/", $strFilterMD5)) $this->_filter_md5 = $strFilterMD5; $phrase = ToLower(trim($phrase, " \t\n\r")); if ($l = strlen($phrase)) { if ($l > 250) { $p = strrpos($phrase, ' '); if ($p === false) $phrase = substr($phrase, 0, 250); else $phrase = substr($phrase, 0, $p); } $this->_phrase = $phrase; } } function SetResultCount($result_count) { $DB = CDatabase::GetModuleConnection('search'); if (strlen($this->_filter_md5) && 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)) $site_id = SITE_ID; if (strlen($this->_phrase)) { $nTopCount = intval($nTopCount); if ($nTopCount <= 0) $nTopCount = 10; $phrase = $DB->ForSQL($this->_phrase); $site_id = $DB->ForSQL($site_id); if (strlen($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; } } 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();"; } }