133 lines
3.7 KiB
PHP
133 lines
3.7 KiB
PHP
<?php
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/**
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* Implements Special:Wantedcategories
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*
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* Copyright © 2005 Ævar Arnfjörð Bjarmason
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup SpecialPage
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*/
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/**
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* A querypage to list the most wanted categories - implements Special:Wantedcategories
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*
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* @ingroup SpecialPage
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*/
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class WantedCategoriesPage extends WantedQueryPage {
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private $currentCategoryCounts;
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function __construct( $name = 'Wantedcategories' ) {
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parent::__construct( $name );
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}
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function getQueryInfo() {
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return array(
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'tables' => array( 'categorylinks', 'page' ),
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'fields' => array(
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'namespace' => NS_CATEGORY,
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'title' => 'cl_to',
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'value' => 'COUNT(*)'
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),
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'conds' => array( 'page_title IS NULL' ),
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'options' => array( 'GROUP BY' => 'cl_to' ),
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'join_conds' => array( 'page' => array( 'LEFT JOIN',
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array( 'page_title = cl_to',
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'page_namespace' => NS_CATEGORY ) ) )
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);
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}
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function preprocessResults( $db, $res ) {
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parent::preprocessResults( $db, $res );
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$this->currentCategoryCounts = array();
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if ( !$res->numRows() || !$this->isCached() ) {
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return;
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}
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// Fetch (hopefully) up-to-date numbers of pages in each category.
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// This should be fast enough as we limit the list to a reasonable length.
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$allCategories = array();
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foreach ( $res as $row ) {
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$allCategories[] = $row->title;
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}
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$categoryRes = $db->select(
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'category',
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array( 'cat_title', 'cat_pages' ),
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array( 'cat_title' => $allCategories ),
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__METHOD__
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);
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foreach ( $categoryRes as $row ) {
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$this->currentCategoryCounts[$row->cat_title] = intval( $row->cat_pages );
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}
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// Back to start for display
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$res->seek( 0 );
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}
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/**
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* @param Skin $skin
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* @param object $result Result row
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* @return string
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*/
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function formatResult( $skin, $result ) {
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global $wgContLang;
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$nt = Title::makeTitle( $result->namespace, $result->title );
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$text = htmlspecialchars( $wgContLang->convert( $nt->getText() ) );
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if ( !$this->isCached() ) {
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// We can assume the freshest data
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$plink = Linker::link(
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$nt,
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$text,
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array(),
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array(),
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array( 'broken' )
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);
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$nlinks = $this->msg( 'nmembers' )->numParams( $result->value )->escaped();
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} else {
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$plink = Linker::link( $nt, $text );
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$currentValue = isset( $this->currentCategoryCounts[$result->title] )
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? $this->currentCategoryCounts[$result->title]
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: 0;
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// If the category has been created or emptied since the list was refreshed, strike it
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if ( $nt->isKnown() || $currentValue === 0 ) {
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$plink = "<del>$plink</del>";
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}
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// Show the current number of category entries if it changed
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if ( $currentValue !== $result->value ) {
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$nlinks = $this->msg( 'nmemberschanged' )
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->numParams( $result->value, $currentValue )->escaped();
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} else {
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$nlinks = $this->msg( 'nmembers' )->numParams( $result->value )->escaped();
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}
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}
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return $this->getLanguage()->specialList( $plink, $nlinks );
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}
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protected function getGroupName() {
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return 'maintenance';
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}
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}
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