SpecialRecentchanges.php

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<?php

require_once( "Feed.php" );

function wfSpecialRecentchanges( $par )
{
        global $wgUser, $wgOut, $wgLang, $wgTitle, $wgMemc, $wgDBname;
        global $wgRequest, $wgSitename, $wgLanguageCode;
        global $wgFeedClasses;
        $fname = "wfSpecialRecentchanges";

        # Get query parameters
        $feedFormat = $wgRequest->getVal( "feed" );

        $defaultDays = $wgUser->getOption( 'rcdays' );
        if ( !$defaultDays ) {
                $defaultDays = 3;
        }
        
        $days = $wgRequest->getInt( 'days', $defaultDays );
        $hideminor = $wgRequest->getBool( 'hideminor', $wgUser->getOption( 'hideminor' ) ) ? 1 : 0;
        $from = $wgRequest->getText( 'from' );
        $hidebots = $wgRequest->getBool( 'hidebots', true ) ? 1 : 0;
        $hideliu = $wgRequest->getBool( 'hideliu', false ) ? 1 : 0;
        
        # Get query parameters from path
        if( $par ) {
                $bits = preg_split( '/\s*,\s*/', trim( $par ) );
                if( in_array( "hidebots", $bits ) ) $hidebots = 1;
                if( in_array( "bots", $bits ) ) $hidebots = 0;
                if( in_array( "hideminor", $bits ) ) $hideminor = 1;
                if( in_array( "minor", $bits ) ) $hideminor = 0;
                if( in_array( "hideliu", $bits) ) $hideliu = 1;
        }
        
        $sql = "SELECT MAX(rc_timestamp) AS lastmod FROM recentchanges";
        $res = wfQuery( $sql, DB_READ, $fname );
        $s = wfFetchObject( $res );
        # 10 seconds server-side caching max
        $wgOut->setSquidMaxage( 10 );
        if( $wgOut->checkLastModified( $s->lastmod ) ){
                # Client cache fresh and headers sent, nothing more to do.
                return;
        }

        $rctext = wfMsg( "recentchangestext" );
        
        # The next few lines can probably be commented out now that wfMsg can get text from the DB
        $sql = "SELECT cur_text FROM cur WHERE cur_namespace=4 AND cur_title='Recentchanges'";
        $res = wfQuery( $sql, DB_READ, $fname );
        if( ( $s = wfFetchObject( $res ) ) and ( $s->cur_text != "" ) ) {
                $rctext = $s->cur_text;
        }
        
        $wgOut->addWikiText( $rctext );
        
        list( $limit, $offset ) = wfCheckLimits( 100, "rclimit" );
        $now = wfTimestampNow();
        $cutoff_unixtime = time() - ( $days * 86400 );
        $cutoff_unixtime = $cutoff_unixtime - ($cutoff_unixtime % 86400);
        $cutoff = wfUnix2Timestamp( $cutoff_unixtime );
        if(preg_match('/^[0-9]{14}$/', $from) and $from > $cutoff) {
                $cutoff = $from;
        } else {
                unset($from);
        }

        $sk = $wgUser->getSkin();
        $showhide = array( wfMsg( "show" ), wfMsg( "hide" ));
        
        if ( $hideminor ) {
                $hidem = "AND rc_minor=0";
        } else {
                $hidem = "";
        }
        
        if( $hidebots ) {
                $hidem .= " AND rc_bot=0";
        }
        
        if ( $hideliu ) {
                $hidem .= " AND rc_user=0";
        }
        $hideliu = ($hideliu ? 1 : 0);
        #$hideparams = "hideminor={$hideminor}&hideliu={$hideliu}&hidebots={$hidebots}";
        $urlparams = array( "hideminor" => $hideminor, "hideliu" => $hideliu, "hidebots" => $hidebots );
        $hideparams = wfArrayToCGI( $urlparams );
        
        $minorLink = $sk->makeKnownLink( $wgLang->specialPage( "Recentchanges" ),
          $showhide[1-$hideminor], wfArrayToCGI( array( "hideminor" => 1-$hideminor ), $urlparams ) );
        $botLink = $sk->makeKnownLink( $wgLang->specialPage( "Recentchanges" ),
          $showhide[1-$hidebots], wfArrayToCGI( array( "hidebots" => 1-$hidebots ), $urlparams ) );
        $liuLink = $sk->makeKnownLink( $wgLang->specialPage( "Recentchanges" ),
          $showhide[1-$hideliu], wfArrayToCGI( array( "hideliu" => 1-$hideliu ), $urlparams ) );

        $uid = $wgUser->getID();
        $sql2 = "SELECT recentchanges.*" . ($uid ? ",wl_user" : "") . " FROM recentchanges " .
          ($uid ? "LEFT OUTER JOIN watchlist ON wl_user={$uid} AND wl_title=rc_title AND wl_namespace=rc_namespace & 65534 " : "") .
          "WHERE rc_timestamp > '{$cutoff}' {$hidem} " .
          "ORDER BY rc_timestamp DESC LIMIT {$limit}";

        $res = wfQuery( $sql2, DB_READ, $fname );
        $rows = array();
        while( $row = wfFetchObject( $res ) ){ 
                $rows[] = $row; 
        }

        if(isset($from)) {
                $note = wfMsg( "rcnotefrom", $wgLang->formatNum( $limit ),
                        $wgLang->timeanddate( $from, true ) );
        } else {
                $note = wfMsg( "rcnote", $wgLang->formatNum( $limit ), $wgLang->formatNum( $days ) );
        }
        $wgOut->addHTML( "\n<hr />\n{$note}\n<br />" );

        $note = rcDayLimitLinks( $days, $limit, "Recentchanges", $hideparams, false, $minorLink, $botLink, $liuLink );

        $note .= "<br />\n" . wfMsg( "rclistfrom",
          $sk->makeKnownLink( $wgLang->specialPage( "Recentchanges" ),
          $wgLang->timeanddate( $now, true ), "{$hideparams}&from=$now" ) );

        $wgOut->addHTML( "{$note}\n" );

        if( isset($wgFeedClasses[$feedFormat]) ) {
                $feed = new $wgFeedClasses[$feedFormat](
                        $wgSitename . " - " . wfMsg( "recentchanges" ) . " [" . $wgLanguageCode . "]",
                        htmlspecialchars( wfMsg( "recentchangestext" ) ),
                        $wgTitle->getFullUrl() );
                $feed->outHeader();
                foreach( $rows as $obj ) {
                        $title = Title::makeTitle( $obj->rc_namespace, $obj->rc_title );
                        $talkpage = $title->getTalkPage();
                        $item = new FeedItem(
                                $title->getPrefixedText(),
                                htmlspecialchars( $obj->rc_comment ),
                                $title->getFullURL(),
                                $obj->rc_timestamp,
                                $obj->rc_user_text,
                                $talkpage->getFullURL()
                                );
                        $feed->outItem( $item );
                }
                $feed->outFooter();
        } else {
                $wgOut->setSyndicated( true );
                $s = $sk->beginRecentChangesList();
                $counter = 1;
                foreach( $rows as $obj ){
                        if( $limit == 0) {
                                break; 
                        }
                        
                        if ( ! ( $hideminor && $obj->rc_minor ) ) {
                                $rc = RecentChange::newFromRow( $obj );
                                $rc->counter = $counter++;
                                $s .= $sk->recentChangesLine( $rc, !empty( $obj->wl_user ) );
                                --$limit;
                        }
                }
                $s .= $sk->endRecentChangesList();
                $wgOut->addHTML( $s );
        }
        wfFreeResult( $res );
}

function rcCountLink( $lim, $d, $page="Recentchanges", $more="" )
{
        global $wgUser, $wgLang;
        $sk = $wgUser->getSkin();
        $s = $sk->makeKnownLink( $wgLang->specialPage( $page ),
          ($lim ? $wgLang->formatNum( "{$lim}" ) : wfMsg( "all" ) ), "{$more}" .
          ($d ? "days={$d}&" : "") . "limit={$lim}" );
        return $s;
}

function rcDaysLink( $lim, $d, $page="Recentchanges", $more="" )
{
        global $wgUser, $wgLang;
        $sk = $wgUser->getSkin();
        $s = $sk->makeKnownLink( $wgLang->specialPage( $page ),
          ($d ? $wgLang->formatNum( "{$d}" ) : wfMsg( "all" ) ), "{$more}days={$d}" .
          ($lim ? "&limit={$lim}" : "") );
        return $s;
}

function rcDayLimitLinks( $days, $limit, $page="Recentchanges", $more="", $doall = false, $minorLink = "", 
        $botLink = "", $liuLink = "" )
{
        if ($more != "") $more .= "&";
        $cl = rcCountLink( 50, $days, $page, $more ) . " | " .
          rcCountLink( 100, $days, $page, $more  ) . " | " .
          rcCountLink( 250, $days, $page, $more  ) . " | " .
          rcCountLink( 500, $days, $page, $more  ) .
          ( $doall ? ( " | " . rcCountLink( 0, $days, $page, $more ) ) : "" );
        $dl = rcDaysLink( $limit, 1, $page, $more  ) . " | " .
          rcDaysLink( $limit, 3, $page, $more  ) . " | " .
          rcDaysLink( $limit, 7, $page, $more  ) . " | " .
          rcDaysLink( $limit, 14, $page, $more  ) . " | " .
          rcDaysLink( $limit, 30, $page, $more  ) .
          ( $doall ? ( " | " . rcDaysLink( $limit, 0, $page, $more ) ) : "" );
        $shm = wfMsg( "showhideminor", $minorLink, $botLink, $liuLink );
        $note = wfMsg( "rclinks", $cl, $dl, $shm );
        return $note;
}

# Obsolete? Isn't called from anywhere and $mlink isn't defined
function rcLimitLinks( $page="Recentchanges", $more="", $doall = false )
{
        if ($more != "") $more .= "&";
        $cl = rcCountLink( 50, 0, $page, $more ) . " | " .
          rcCountLink( 100, 0, $page, $more  ) . " | " .
          rcCountLink( 250, 0, $page, $more  ) . " | " .
          rcCountLink( 500, 0, $page, $more  ) .
          ( $doall ? ( " | " . rcCountLink( 0, $days, $page, $more ) ) : "" );
        $note = wfMsg( "rclinks", $cl, "", $mlink );
        return $note;
}

?>

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