website_jukni/dokuwiki/lib/plugins/authorstats/action.php
2017-12-29 15:51:59 +01:00

138 lines
4.6 KiB
PHP

<?php
/**
* DokuWiki Plugin authorstats (Action Component)
*
* @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
* @author George Chatzisofroniou <sophron@latthi.com>
* @author Constantinos Xanthopoulos <conx@xanthopoulos.info>
*/
// must be run within Dokuwiki
if (!defined('DOKU_INC')) die();
if (!defined('DOKU_LF')) define('DOKU_LF', "\n");
if (!defined('DOKU_TAB')) define('DOKU_TAB', "\t");
if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
require_once DOKU_PLUGIN.'action.php';
require_once DOKU_PLUGIN.'authorstats/helpers.php';
class action_plugin_authorstats extends DokuWiki_Action_Plugin
{
var $supportedModes = array('xhtml', 'metadata');
public function register(Doku_Event_Handler $controller)
{
$controller->register_hook('ACTION_SHOW_REDIRECT', 'BEFORE', $this, '_updateSavedStats');
$controller->register_hook('PARSER_CACHE_USE','BEFORE', $this, '_cachePrepare');
}
// Updates the saved statistics by checking the last lines
// in the /data/meta/ directory
public function _updateSavedStats()
{
global $conf;
$dir = $conf['metadir'] . '/';
// Return the files in the directory /data/meta
$files = $this->_getChangeLogs($dir);
// Read saved data from JSON file
$sd = authorstatsReadJSON();
// Get last change
$lastchange = empty($sd) ? (-1*PHP_INT_MAX )-1 : (int) $sd["lastchange"];
$newlast = $lastchange;
foreach ($files as $file)
{
$file_contents = array_reverse(file($file));
foreach($file_contents as $line)
{
$r = $this->_parseChange($line);
if ($r["timestamp"] <= $lastchange)
break;
// Update the last if there is a more recent change
$newlast = max($newlast, $r["timestamp"]);
// If the author is not in the array, initialize his stats
if (!isset($sd["authors"][$r["author"]]))
{
$sd["authors"][$r["author"]]["C"] = 0;
$sd["authors"][$r["author"]]["E"] = 0;
$sd["authors"][$r["author"]]["e"] = 0;
$sd["authors"][$r["author"]]["D"] = 0;
$sd["authors"][$r["author"]]["R"] = 0;
$sd["authors"][$r["author"]]["pm"] = Array();
}
else
{
// Initialize month if doesn't exist
// else increment it
if (!isset($sd["authors"][$r["author"]]["pm"][$r["date"]]))
$sd["authors"][$r["author"]]["pm"][$r["date"]] = 1;
else
$sd["authors"][$r["author"]]["pm"][$r["date"]]++;
}
$sd["authors"][$r["author"]][$r["type"]]++;
}
}
$sd["lastchange"] = $newlast;
authorstatsSaveJSON($sd);
}
// If the page is no more recent than the modification of the json file, refresh the page.
public function _cachePrepare(&$event, $param)
{
$cache =& $event->data;
if(!isset($cache->page)) return;
if(!isset($cache->mode) || !in_array($cache->mode, $this->supportedModes)) return;
$enabled = p_get_metadata($cache->page, 'authorstats-enabled');
if (isset($enabled))
{
if (@filemtime($cache->cache) < @filemtime(DOKU_PLUGIN."authorstats/authorstats.json"))
{
$event->preventDefault();
$event->stopPropagation();
$event->result = false;
}
}
}
function _getChangeLogs($dir, &$files = array())
{
if ($dh = opendir($dir))
{
while (($res = readdir($dh)) !== false)
{
if(is_dir($dir . $res . '/') && $res != '.' && $res != '..') array_merge($files, $this->_getChangeLogs($dir . $res . '/', $files));
else
{
if (strpos($res, '.changes') !== false && $res[0] != '_') $files[] = $dir . $res;
}
}
closedir($dh);
}
return $files;
}
function _parseChange($line)
{
$record = Array();
$parts = explode(DOKU_TAB, $line);
if ($parts && $parts[4] != "")
{
$record["timestamp"] = $parts[0];
$record["type"] = $parts[2];
$record["author"] = $parts[4];
$record["date"] = date("Ym",$parts[0]);
}
return $record;
}
}
// vim:ts=4:sw=4:et: