diff options
Diffstat (limited to 'classes/SearchEngines.php')
-rw-r--r-- | classes/SearchEngines.php | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/classes/SearchEngines.php b/classes/SearchEngines.php deleted file mode 100644 index 96fd7da90..000000000 --- a/classes/SearchEngines.php +++ /dev/null @@ -1,104 +0,0 @@ -<?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 $target; - protected $table; - - function __construct($target, $table) { - $this->target = $target; - $this->table = $table; - } - - function query($q) { - } - - function limit($offset, $count, $rss = false) { - return $this->target->limit($offset, $count); - } - - function set_sort_mode($mode) { - if ('chron' === $mode) - return $this->target->orderBy('created desc'); - } -} - -class SphinxSearch extends SearchEngine { - private $sphinx; - - function __construct($target, $table) { - parent::__construct($target, $table); - $this->sphinx = new SphinxClient; - $this->sphinx->setServer(common_config('sphinx', 'server'), common_config('sphinx', 'port')); - } - - function limit($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 $this->target->orderBy('created desc'); - } - } -} - -class MySQLSearch extends SearchEngine { - function query($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).'\')'); - } -} - -class PGSearch extends SearchEngine { - function query($q) { - if ('identica_people' === $this->table) - return $this->target->whereAdd('textsearch @@ plainto_tsquery(\''.addslashes($q).'\')'); - if ('identica_notices' === $this->table) - return $this->target->whereAdd('to_tsvector(\'english\', content) @@ plainto_tsquery(\''.addslashes($q).'\')'); - } -} - |