Speed optimisation by enabling the posibility of the MySQL fulltext engine

[friendica.git] / mod / search.php

diff --git a/mod/search.php b/mod/search.php
index e2c365fd3ace99bbff38ebb5475db0411e70e265..ac51346963bbde408520a8b8168fb0206b04c2c1 100644 (file)
--- a/mod/search.php
+++ b/mod/search.php
@@ -4,7 +4,7 @@ function search_saved_searches() {
 
        $o = '';
 
-       $r = q("select `term` from `search` WHERE `uid` = %d",
+       $r = q("select `id`,`term` from `search` WHERE `uid` = %d",
                intval(local_user())
        );
 
@@ -80,63 +80,84 @@ function search_content(&$a) {
 
        $o = '<div id="live-search"></div>' . "\r\n";
 
-       $o .= '<h3>' . t('Search This Site') . '</h3>';
+       $o .= '<h3>' . t('Search') . '</h3>';
 
        if(x($a->data,'search'))
                $search = notags(trim($a->data['search']));
        else
                $search = ((x($_GET,'search')) ? notags(trim(rawurldecode($_GET['search']))) : '');
 
+       $tag = false;
+       if(x($_GET,'tag')) {
+               $tag = true;
+               $search = ((x($_GET,'tag')) ? notags(trim(rawurldecode($_GET['tag']))) : '');
+       }
+
+
        $o .= search($search,'search-box','/search',((local_user()) ? true : false));
 
+
+       if(strpos($search,'#') === 0) {
+               $tag = true;
+               $search = substr($search,1);
+       }
+       if(strpos($search,'@') === 0) {
+               require_once('mod/dirfind.php');
+               return dirfind_content($a);
+       }
+
        if(! $search)
                return $o;
 
-       // Here is the way permissions work in the search module...
-       // Only public wall posts can be shown
-       // OR your own posts if you are a logged in member
-
+       if (get_config('system','use_fulltext_engine')) {
+               if($tag)
+                       $sql_extra = sprintf(" AND MATCH (`item`.`tag`) AGAINST ('".'"%s"'."' in boolean mode) ", '#'.preg_quote($search));
+               else
+                       $sql_extra = sprintf(" AND MATCH (`item`.`body`) AGAINST ('".'"%s"'."' in boolean mode) ", dbesc(preg_quote($search)));
+       } else {
+               if($tag)
+                       $sql_extra = sprintf(" AND `item`.`tag` REGEXP '%s' ",  dbesc('\\]' . preg_quote($search) . '\\['));
+               else
+                       $sql_extra = sprintf(" AND `item`.`body` REGEXP '%s' ", dbesc(preg_quote($search)));
+       }
 
-//     $s_bool  = sprintf("AND MATCH (`item`.`body`) AGAINST ( '%s' IN BOOLEAN MODE )", dbesc($search));
-       $s_regx  = sprintf("AND ( `item`.`body` REGEXP '%s' OR `item`.`tag` REGEXP '%s' )", 
-               dbesc($search), dbesc('\\]' . $search . '\\['));
 
-//     if(mb_strlen($search) >= 3)
-//             $search_alg = $s_bool;
-//     else
 
-               $search_alg = $s_regx;
+       // Here is the way permissions work in the search module...
+       // Only public posts can be shown
+       // OR your own posts if you are a logged in member
+       // No items will be shown if the member has a blocked profile wall. 
 
-       $r = q("SELECT COUNT(*) AS `total`
+       $r = q("SELECT distinct(`item`.`uri`) as `total`
                FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id` LEFT JOIN `user` ON `user`.`uid` = `item`.`uid`
-               WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0
-               AND (( `wall` = 1 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = '' AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = '' AND `user`.`hidewall` = 0) 
+               WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
+               AND (( `item`.`allow_cid` = ''  AND `item`.`allow_gid` = '' AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = '' AND `item`.`private` = 0 AND `user`.`hidewall` = 0) 
                        OR `item`.`uid` = %d )
                AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
-               $search_alg ",
+               $sql_extra group by `item`.`uri` ", 
                intval(local_user())
        );
 
        if(count($r))
-               $a->set_pager_total($r[0]['total']);
-
-       if(! $r[0]['total']) {
+               $a->set_pager_total(count($r));
+       if(! count($r)) {
                info( t('No results.') . EOL);
                return $o;
        }
 
-       $r = q("SELECT `item`.*, `item`.`id` AS `item_id`, 
+       $r = q("SELECT distinct(`item`.`uri`), `item`.*, `item`.`id` AS `item_id`, 
                `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
                `contact`.`network`, `contact`.`thumb`, `contact`.`self`, `contact`.`writable`, 
                `contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`,
                `user`.`nickname`
                FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
                LEFT JOIN `user` ON `user`.`uid` = `item`.`uid`
-               WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0
-               AND (( `wall` = 1 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = '' AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = '' AND `user`.`hidewall` = 0 ) 
+               WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
+               AND (( `item`.`allow_cid` = ''  AND `item`.`allow_gid` = '' AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = '' AND `item`.`private` = 0 AND `user`.`hidewall` = 0 ) 
                        OR `item`.`uid` = %d )
                AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
-               $search_alg
+               $sql_extra
+               group by `item`.`uri`   
                ORDER BY `received` DESC LIMIT %d , %d ",
                intval(local_user()),
                intval($a->pager['start']),
@@ -144,7 +165,10 @@ function search_content(&$a) {
 
        );
 
-       $o .= '<h2>Search results for: ' . $search . '</h2>';
+       if($tag) 
+               $o .= '<h2>Items tagged with: ' . $search . '</h2>';
+       else
+               $o .= '<h2>Search results for: ' . $search . '</h2>';
 
        $o .= conversation($a,$r,'search',false);