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User:Meffiem~metawiki/Newpages

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Description

[edit]

Newpages is a Mediawiki extension to display a list of links to newly created pages in the main namespace. This could be useful on the Main Page of a small project, where the number of new pages is not overwhelming, but enough that you want the list to be automatically updated.

The wiki code syntax is, 

   <newpages>
      limit={a positive number}
   </newpages>

where limit is the maximum number of links to new pages generated. The default value is 5 if the limit parameter is not present. If there are more newpages on the site than the limit then a link to the Newpages special page is also generated, labelled as more....

The creation date is appended to each new page link.

Example

[edit]

The following wiki code will generate a list of the three most recent new pages in the main namespace. 

   <newpages> limit=3 </newpages>

The output will be something like the following (but with links to the pages);

  • Yet another page, 18 January 2006
  • Some other page, 17 January 2006
  • About something, 15 Janurary 2006
  • more ...

Installation

[edit]

This extension was developed and tested on MediaWiki v1.5.3.

  1. Copy the source code to a file called NewPages.php into the mediawiki extensions directory.
  2. Add the following line to your LocalSettings.php file:
require_once("extensions/NewPages.php");

Code

[edit]

Copy this code to extensions/NewPages.php. 

<?php
#
# This Mediawiki extension creates a bullet list of the most
# recent new pages.  This can be useful for a small project's
# main page to give visitors a quick view of the new pages 
# created since the last visit.
#
# The wiki syntax is,
# 
#  <newpages>
#     limit=10
#  </newpages>
#
# where limit is the maximum number of new pages to show.
# 
# To activate the extension, include it from your LocalSettings.php
# with: require_once("extensions/NewPages.php"); 
#
# Author: Michael Meffie
# Date: Jan 17 2006
# Credits: This extension was derived from SpecialNewpages.php.
# License: GPL v2.0
#

$wgExtensionFunctions[] = "wfNewPagesExtension";

$wgExtensionCredits['parserhook'][] = array(
    'name' => 'NewPages',
    'author' => 'Michael Meffie',
    'url' => 'http://meta.wikimedia.org/wiki/User:Meffiem',
);

function wfNewPagesExtension() {
    global $wgParser;
    $wgParser->setHook( "newpages", "renderNewPages" );
}

function renderNewPages( $input ) {
    global $wgOut;
    $output = "<br />No new pages since last database cleaning<br />";
    $limit = 5;    
    getBoxOption($limit,$input,'limit',true);    

    $dbr =& wfGetDB( DB_SLAVE );
    extract( $dbr->tableNames( 'recentchanges', 'page' ) );

    $query_limit = $limit + 1;  # to determine if we should display (more...)
    $sql = "SELECT  rc_namespace AS namespace,
                    rc_title AS title,
                    rc_cur_id AS value,
                    rc_user AS user,
                    rc_user_text AS user_text,
                    rc_comment as comment,
                    rc_timestamp AS timestamp,
                    rc_id AS rcid,
                    page_len as length,
                    page_latest as rev_id
            FROM $recentchanges,$page
            WHERE rc_cur_id=page_id AND rc_new=1
              AND rc_namespace=".NS_MAIN." AND page_is_redirect=0
              ORDER BY value DESC
              LIMIT $query_limit";

    $result = $dbr->query( $sql );
    $num = $dbr->numRows( $result );
    if ($num > 0) {
        $output = "<ul>\n";
        for ($i=0; $i<$num && $i<$limit; $i++) {
           $row = $dbr->fetchObject( $result );
           $s = formatRow( $row );
           $output .= "<li>$s</li>\n";
        }
        if ($num > $limit) {
           $more = $wgOut->parse("[[Special:Newpages|more...]]", false);  
           $output .= "<li>$more</li>\n";
        }
        $output .= "</ul>\n";
    }    

    $dbr->freeResult( $result );
    return $output;
}

function formatRow( $row ) {
    global $wgLang, $wgUser;
    
    $skin = $wgUser->getSkin();
    $link = $skin->makeKnownLink( $row->title, '' );
    $d = $wgLang->date( $row->timestamp, true );

    $s = "$link, $d";
    return $s;
}

function getBoxOption(&$value,&$input,$name,$isNumber=false) {
    if(preg_match("/^\s*$name\s*=\s*(.*)/mi",$input,$matches)) {
         if($isNumber) {
            $value=intval($matches[1]);
        } else {
            $value=htmlspecialchars($matches[1]);
        }
    }
}

?>

QINU problem

[edit]

In case of inproper output, similar to: 

UNIQ67b7fa85308204de-newpages-00000001-QINU

please use below version of NewPages.php: 

<?php
#
# This Mediawiki extension creates a bullet list of the most
# recent new pages.  This can be useful for a small project's
# main page to give visitors a quick view of the new pages 
# created since the last visit.
#
# The wiki syntax is,
# 
#  <newpages>
#     limit=10
#  </newpages>
#
# where limit is the maximum number of new pages to show.
# 
# To activate the extension, include it from your LocalSettings.php
# with: require_once("extensions/NewPages.php"); 
#
# Author: Michael Meffie
# Date: Jan 17 2006
# Credits: This extension was derived from SpecialNewpages.php.
# License: GPL v2.0
#

$wgExtensionFunctions[] = "wfNewPagesExtension";

$wgExtensionCredits['parserhook'][] = array(
    'name' => 'NewPages',
    'author' => 'Michael Meffie',
    'url' => 'http://meta.wikimedia.org/wiki/User:Meffiem',
);

function wfNewPagesExtension() {
    global $wgParser;
    $wgParser->setHook( "newpages", "renderNewPages" );
}

function renderNewPages( $input, $args=null, &$parser) {
    $localParser = new Parser();

    $output = "<br />No new pages since last database cleaning<br />";
    $limit = 5;    
    getBoxOption($limit,$input,'limit',true);    

    $dbr =& wfGetDB( DB_SLAVE );
    extract( $dbr->tableNames( 'recentchanges', 'page' ) );

    $query_limit = $limit + 1;  # to determine if we should display (more...)
    $sql = "SELECT  rc_namespace AS namespace,
                    rc_title AS title,
                    rc_cur_id AS value,
                    rc_user AS user,
                    rc_user_text AS user_text,
                    rc_comment as comment,
                    rc_timestamp AS timestamp,
                    rc_id AS rcid,
                    page_len as length,
                    page_latest as rev_id
            FROM $recentchanges,$page
            WHERE rc_cur_id=page_id AND rc_new=1
              AND rc_namespace=".NS_MAIN." AND page_is_redirect=0
              ORDER BY value DESC
              LIMIT $query_limit";

    $result = $dbr->query( $sql );
    $num = $dbr->numRows( $result );
    if ($num > 0) {
        $output = "<ul>\n";
        for ($i=0; $i<$num && $i<$limit; $i++) {
           $row = $dbr->fetchObject( $result );           
	   $s = formatRow( $row );
           $output .= "<li>$s</li>\n";
        }
        if ($num > $limit) {
           $more = $localParser->parse("[[Special:Newpages|more...]]", $parser->mTitle, $parser->mOptions);  
	         $output .= "<li>".$more->getText()."</li>\n";
        }
        $output .= "</ul>\n";
    }    

    $dbr->freeResult( $result );
     
return $output;
}

function formatRow( $row ) {
    global $wgLang, $wgUser;
    
    $skin = $wgUser->getSkin();
    $link = $skin->makeKnownLink( $row->title, '' );
    $d = $wgLang->date( $row->timestamp, true );

    $s = "$link, $d";
    return $s;
}

function getBoxOption(&$value,&$input,$name,$isNumber=false) {
    if(preg_match("/^\s*$name\s*=\s*(.*)/mi",$input,$matches)) {
         if($isNumber) {
            $value=intval($matches[1]);
        } else {
            $value=htmlspecialchars($matches[1]);
        }
    }
}

?>


Credits

[edit]

The newpage query was adapted from SpecialNewpages.php and QueryPage.php. The getOption function was adapted from the inputbox extension.

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