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<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, 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
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
class SearchEngine {
protected $profile;
protected $table;
function __construct($profile, $table) {
$this->profile = $profile;
$this->table = $table;
}
function query($q) {
}
function limit($offset, $count) {
return $this->profile->limit($offset, $count);
}
}
class SphinxSearch extends SearchEngine {
private $sphinx;
function __construct($profile, $table) {
parent::__construct($profile, $table);
$this->sphinx = new SphinxClient;
$this->sphinx->setServer(common_config('sphinx', 'server'), common_config('sphinx', 'port'));
}
function limit($offset, $count) {
$this->sphinx->setLimits($offset, $count);
$this->profile->limit($offset, $count);
}
function query($q) {
$result = $this->sphinx->query($q, $this->table);
if (!isset($result['matches'])) return false;
$id_set = join(', ', array_keys($result['matches']));
return $this->profile->whereAdd("id in ($id_set)");
}
}
class MySQLSearch extends SearchEngine {
function query($q) {
return $this->profile->whereAdd('MATCH(nickname, fullname, location, bio, homepage) ' .
'against (\''.addslashes($q).'\')');
}
}
class PGSearch extends SearchEngine {
function query($q) {
$this->profile->whereAdd('textsearch @@ plainto_tsquery(\''.addslashes($q).'\')');
}
}
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