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76 lines
2.4 KiB
76 lines
2.4 KiB
14 years ago
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<?php
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# return coeditions for a wholewiki
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function Coeditions($groupname){
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global $ScriptUrl, $PubDir, $FarmD;
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$cache_time = 0; # set to 0 to disable cache, practical for testing
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$cache_time = 3600;
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$cachefile = "/pub/coedits.txt";
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$timewindow = 360; # in seconds
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$pagelist = ListPages("/$groupname\./e");
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// consider removing structural pages (headers, PmWiki, Site, ...)
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// mostly case by default since those remains into wikilib.d unless modified
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//unset($pagelist[array_search("$groupname.Template",$pagelist)]);
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# cache since its costly
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if (!file_exists($FarmD.$cachefile)){
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if (!touch($FarmD.$cachefile))
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print "Creation of the cache file fails, check write permissions for pmWiki and $cachefile.";
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# if cache exist
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} else {
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# cache has been generated recently
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if (( (time() - filemtime($FarmD.$cachefile)) < $cache_time ) && $groupname == "")
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#return it
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return unserialize(file_get_contents($FarmD.$cachefile));
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}
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foreach ($pagelist as $pagename){
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$page = ReadPage($pagename);
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if (!$page) return;
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krsort($page); reset($page);
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foreach($page as $k=>$v) {
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if (!preg_match("/^diff:(\d+):(\d+):?([^:]*)/",$k,$match)) continue;
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$diff = intval($match[1]);
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$edits[] = array ("diff" => $diff, "name" => $pagename);
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$diffs[] = $diff;
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$names[] = $pagename;
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#automatic index since there might multiple edits with the same diff
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}
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}
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# numeric sort $edits by ascending diff (either regenerate or discard index)
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array_multisort($diffs,SORT_ASC,SORT_NUMERIC,$names);
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//var_dump($diffs,$names);
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$numberofedits = count($diffs);
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for ($j=0;$j<$numberofedits;$j++){
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if (($diffs[$j+1]-$diffs[$j])<$timewindow){
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$target = $names[$j];
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$dest = $names[$j+1];
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$coedits["$target"]["$dest"]++ ;
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# dirty since it's a string, not a proper table but will do for tests
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}
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}
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foreach ($coedits as &$ce){
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arsort($ce,SORT_NUMERIC);
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//$scoedits[] = $ce;
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}
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//var_dump($coedits);
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# should highlight the highest coedition that is not self
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# also remove under a certain threshold, e.g. 1 or rather a sigma of the distribution
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# most result are... from the same page
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# it could thus be noted then filtered
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# also the timewindow gives only short-term result
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# a second processing could check over long-term editions between pages
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#write cache
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if ($groupname == "")
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$write_result = file_put_contents($FarmD.$cachefile,serialize($coedits));
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return $coedits;
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}
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?>
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