Merge branch '0.9.x' into 1.0.x

[quix0rs-gnu-social.git] / lib / search_engines.php

diff --git a/lib/search_engines.php b/lib/search_engines.php
index 559107910cef885bccb87a4687b8ab0b2dcae707..332db3f89a8a25cb2cf08afc8454263c9115250f 100644 (file)
--- a/lib/search_engines.php
+++ b/lib/search_engines.php
@@ -1,7 +1,7 @@
 <?php
 /*
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2008, 2009, StatusNet, Inc.
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as published by
@@ -17,7 +17,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-if (!defined('LACONICA')) { exit(1); }
+if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
 
 class SearchEngine
 {
@@ -46,75 +46,59 @@ class SearchEngine
     }
 }
 
-class SphinxSearch extends SearchEngine
+class MySQLSearch extends SearchEngine
 {
-    private $sphinx;
-    private $connected;
-
-    function __construct($target, $table)
-    {
-        $fp = @fsockopen(common_config('sphinx', 'server'), common_config('sphinx', 'port'));
-        if (!$fp) {
-            $this->connected = false;
-            return;
-        }
-        fclose($fp);
-        parent::__construct($target, $table);
-        $this->sphinx = new SphinxClient;
-        $this->sphinx->setServer(common_config('sphinx', 'server'), common_config('sphinx', 'port'));
-        $this->connected = true;
-    }
-
-    function is_connected()
-    {
-        return $this->connected;
-    }
-
-    function limit($offset, $count, $rss = false)
-    {
-        //FIXME without LARGEST_POSSIBLE, the most recent results aren't returned
-        //      this probably has a large impact on performance
-        $LARGEST_POSSIBLE = 1e6; 
-
-        if ($rss) {
-            $this->sphinx->setLimits($offset, $count, $count, $LARGEST_POSSIBLE);
-        }
-        else {
-            // return at most 50 pages of results
-            $this->sphinx->setLimits($offset, $count, 50 * ($count - 1), $LARGEST_POSSIBLE);
-        }
-
-        return $this->target->limit(0, $count);
-    }
-
     function query($q)
     {
-        $result = $this->sphinx->query($q, $this->table);
-        if (!isset($result['matches'])) return false;
-        $id_set = join(', ', array_keys($result['matches']));
-        $this->target->whereAdd("id in ($id_set)");
-        return true;
-     }
-
-    function set_sort_mode($mode)
-    {
-        if ('chron' === $mode) {
-            $this->sphinx->SetSortMode(SPH_SORT_ATTR_DESC, 'created_ts');
-            return $this->target->orderBy('created desc');
+        if ('profile' === $this->table) {
+            $this->target->whereAdd('MATCH(nickname, fullname, location, bio, homepage) ' .
+                                    'AGAINST (\''.addslashes($q).'\' IN BOOLEAN MODE)');
+            if (strtolower($q) != $q) {
+                $this->target->whereAdd('MATCH(nickname, fullname, location, bio, homepage) ' .
+                                        'AGAINST (\''.addslashes(strtolower($q)).'\' IN BOOLEAN MODE)', 'OR');
+            }
+            return true;
+        } else if ('notice' === $this->table) {
+
+            // Don't show imported notices
+            $this->target->whereAdd('notice.is_local != ' . Notice::GATEWAY);
+
+            if (strtolower($q) != $q) {
+                $this->target->whereAdd("( MATCH(content) AGAINST ('" . addslashes($q) .
+                    "' IN BOOLEAN MODE)) OR ( MATCH(content) " .
+                    "AGAINST ('"  . addslashes(strtolower($q)) .
+                    "' IN BOOLEAN MODE))");
+            } else {
+                $this->target->whereAdd('MATCH(content) ' .
+                                         'AGAINST (\''.addslashes($q).'\' IN BOOLEAN MODE)');
+            }
+
+            return true;
+        } else {
+            throw new ServerException('Unknown table: ' . $this->table);
         }
     }
 }
 
-class MySQLSearch extends SearchEngine
+class MySQLLikeSearch extends SearchEngine
 {
     function query($q)
     {
-        if ('identica_people' === $this->table)
-            return $this->target->whereAdd('MATCH(nickname, fullname, location, bio, homepage) ' .
-                           'against (\''.addslashes($q).'\')');
-        if ('identica_notices' === $this->table)
-            return $this->target->whereAdd('MATCH(content) ' .
-                           'against (\''.addslashes($q).'\')');
+        if ('profile' === $this->table) {
+            $qry = sprintf('(nickname LIKE "%%%1$s%%" OR '.
+                           ' fullname LIKE "%%%1$s%%" OR '.
+                           ' location LIKE "%%%1$s%%" OR '.
+                           ' bio      LIKE "%%%1$s%%" OR '.
+                           ' homepage LIKE "%%%1$s%%")', addslashes($q));
+        } else if ('notice' === $this->table) {
+            $qry = sprintf('content LIKE "%%%1$s%%"', addslashes($q));
+        } else {
+            throw new ServerException('Unknown table: ' . $this->table);
+        }
+
+        $this->target->whereAdd($qry);
+
+        return true;
     }
 }
 
@@ -122,10 +106,16 @@ class PGSearch extends SearchEngine
 {
     function query($q)
     {
-        if ('identica_people' === $this->table)
+        if ('profile' === $this->table) {
             return $this->target->whereAdd('textsearch @@ plainto_tsquery(\''.addslashes($q).'\')');
-        if ('identica_notices' === $this->table)
+        } else if ('notice' === $this->table) {
+
+            // XXX: We need to filter out gateway notices (notice.is_local = -2) --Zach
+
             return $this->target->whereAdd('to_tsvector(\'english\', content) @@ plainto_tsquery(\''.addslashes($q).'\')');
+        } else {
+            throw new ServerException('Unknown table: ' . $this->table);
+        }
     }
 }