Karma
The Karma FAQ on the main site says that guidelines for calculating karma are including with the open source package, but I haven't found them. Were they written or am I not looking in the right place?
Karma
Forum
» Wikidot version 1 / General talk
» Karma
(account deleted)Inspect this file to see how it's calculated:
/var/www/wikidot/php/utils/KarmaCalculator.php
It looks to be well commented to make it easy to establish your own set of rules. I've pasted the code into the collapsible block below.
-Ed
<?php
/**
* Wikidot - free wiki collaboration software
* Copyright (c) 2008, Wikidot 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.
*
* For more information about licensing visit:
* http://www.wikidot.org/license
*
* @category Wikidot
* @package Wikidot
* @version $Id$
* @copyright Copyright (c) 2008, Wikidot Inc.
* @license http://www.gnu.org/licenses/agpl-3.0.html GNU Affero General Public License
*/
class KarmaCalculator {
protected $_rules = array();
public function __construct(){
/* Init rules. */
$rulesPath = WIKIDOT_ROOT.'/php/utils/karmarules/';
$files = ls($rulesPath, '*.php');
foreach($files as $f){
require_once($rulesPath.'/'.$f);
$cn = str_replace('.php', '', basename($f));
$this->_rules[] = new $cn();
}
}
public function calculate($user){
$p = 0;
foreach($this->_rules as $rule) {
$p += $rule->calculate($user);
}
return $p;
}
public function update($user){
$p = $this->calculate($user);
/* Get the karma object. */
$c = new Criteria();
$c->add('user_id', $user->getUserId());
$karma = DB_UserKarmaPeer::instance()->selectOne($c);
if(!$karma){
$karma = new DB_UserKarma();
$karma->setUserId($user->getUserId());
}
$karma->setPoints($p);
$karma->save();
}
public function updateLevels(){
/* How many points you need to have to get to a level. */
$minPointsLevel1 = 30;
$minPointsLevel2 = 100;
$minPointsLevel3 = 200;
$minPointsLevel4 = 300;
$minPointsLevel5 = 500;
/* Once you pass this limit, we will not take your level5 limit back. */
$keepLevel5Limit = 1000;
/* Calculate the distribution. */
$db = Database::$connection;
$totalUsers = DB_UserKarmaPeer::instance()->selectCount();
/* Make karma=none for non-active users. */
$q = "UPDATE user_karma SET level=0 WHERE points < $minPointsLevel1";
$db->query($q);
/* Calculate total users but excluding these with less that $minPointsLevel1 points. */
$c = new Criteria();
$c->add('points', $minPointsLevel1, '>=');
$totalUsers = DB_UserKarmaPeer::instance()->selectCount($c);
/* Number of users to fall into a given level. */
$limits = array();
$limitLevel5 = ceil($totalUsers * 0.05);
$limitLevel4 = ceil($totalUsers * 0.10);
$limitLevel3 = ceil($totalUsers * 0.20);
$limitLevel2 = ceil($totalUsers * 0.30);
//$c = new Criteria();
//$c->add('points', $minPointsLevel5, '.=');
//$c->setLimit()
/* Set level one by default. */
$q = array();
$q[] = "UPDATE user_karma SET level=1 WHERE points >= $minPointsLevel1 AND (level < 5 OR points < $keepLevel5Limit)";
$q[] = "UPDATE user_karma SET level=5 WHERE user_id IN (SELECT user_id FROM user_karma WHERE points >= $minPointsLevel5 ORDER BY points DESC LIMIT $limitLevel5)";
$q[] = "UPDATE user_karma SET level=4 WHERE user_id IN (SELECT user_id FROM user_karma WHERE points >= $minPointsLevel4 AND level < 5 ORDER BY points DESC LIMIT $limitLevel4)";
$q[] = "UPDATE user_karma SET level=3 WHERE user_id IN (SELECT user_id FROM user_karma WHERE points >= $minPointsLevel3 AND level < 4 ORDER BY points DESC LIMIT $limitLevel3)";
$q[] = "UPDATE user_karma SET level=2 WHERE user_id IN (SELECT user_id FROM user_karma WHERE points >= $minPointsLevel2 AND level < 3 ORDER BY points DESC LIMIT $limitLevel2)";
$db->query($q);
}
public function updateAll(){
$offset = 0;
$step = 1000;
$db = Database::$connection;
$db->begin();
while (true) {
$users = null;
$c = new Criteria();
$c->add("user_id", 0, ">");
$c->addOrderAscending("user_id");
$c->setLimit($step, $offset);
$users = DB_OzoneUserPeer::instance()->select($c);
if (count($users) == 0) {
break;
}
foreach ($users as $user) {
$this->update($user);
}
$offset += $step;
}
$this->updateLevels();
$db->commit();
}
}/forum/t-85716/karma#post-