]> scripts.mit.edu Git - autoinstallsdev/mediawiki.git/blobdiff - includes/api/ApiQueryCategories.php
MediaWiki 1.30.2
[autoinstallsdev/mediawiki.git] / includes / api / ApiQueryCategories.php
index 9e801f0a55423c0ae5848a5e844ee023e044ff64..c4428d575a1a845cec7f59d65b5199b7f31c533a 100644 (file)
@@ -1,10 +1,10 @@
 <?php
 /**
- * API for MediaWiki 1.8+
+ *
  *
  * Created on May 13, 2007
  *
- * Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * Copyright © 2006 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * @file
  */
 
-if ( !defined( 'MEDIAWIKI' ) ) {
-       // Eclipse helper - will be ignored in production
-       require_once( "ApiQueryBase.php" );
-}
-
 /**
  * A query module to enumerate categories the set of pages belong to.
  *
@@ -36,7 +31,7 @@ if ( !defined( 'MEDIAWIKI' ) ) {
  */
 class ApiQueryCategories extends ApiQueryGeneratorBase {
 
-       public function __construct( $query, $moduleName ) {
+       public function __construct( ApiQuery $query, $moduleName ) {
                parent::__construct( $query, $moduleName, 'cl' );
        }
 
@@ -52,31 +47,34 @@ class ApiQueryCategories extends ApiQueryGeneratorBase {
                $this->run( $resultPageSet );
        }
 
+       /**
+        * @param ApiPageSet $resultPageSet
+        */
        private function run( $resultPageSet = null ) {
                if ( $this->getPageSet()->getGoodTitleCount() == 0 ) {
-                       return; // nothing to do
+                       return; // nothing to do
                }
 
                $params = $this->extractRequestParams();
                $prop = array_flip( (array)$params['prop'] );
                $show = array_flip( (array)$params['show'] );
 
-               $this->addFields( array(
+               $this->addFields( [
                        'cl_from',
                        'cl_to'
-               ) );
+               ] );
 
-               $this->addFieldsIf( array( 'cl_sortkey', 'cl_sortkey_prefix' ), isset( $prop['sortkey'] ) );
+               $this->addFieldsIf( [ 'cl_sortkey', 'cl_sortkey_prefix' ], isset( $prop['sortkey'] ) );
                $this->addFieldsIf( 'cl_timestamp', isset( $prop['timestamp'] ) );
 
                $this->addTables( 'categorylinks' );
                $this->addWhereFld( 'cl_from', array_keys( $this->getPageSet()->getGoodTitles() ) );
                if ( !is_null( $params['categories'] ) ) {
-                       $cats = array();
+                       $cats = [];
                        foreach ( $params['categories'] as $cat ) {
                                $title = Title::newFromText( $cat );
                                if ( !$title || $title->getNamespace() != NS_CATEGORY ) {
-                                       $this->setWarning( "``$cat'' is not a category" );
+                                       $this->addWarning( [ 'apiwarn-invalidcategory', wfEscapeWikiText( $cat ) ] );
                                } else {
                                        $cats[] = $title->getDBkey();
                                }
@@ -86,48 +84,48 @@ class ApiQueryCategories extends ApiQueryGeneratorBase {
 
                if ( !is_null( $params['continue'] ) ) {
                        $cont = explode( '|', $params['continue'] );
-                       if ( count( $cont ) != 2 ) {
-                               $this->dieUsage( "Invalid continue param. You should pass the " .
-                                       "original value returned by the previous query", "_badcontinue" );
-                       }
+                       $this->dieContinueUsageIf( count( $cont ) != 2 );
+                       $op = $params['dir'] == 'descending' ? '<' : '>';
                        $clfrom = intval( $cont[0] );
-                       $clto = $this->getDB()->strencode( $this->titleToKey( $cont[1] ) );
+                       $clto = $this->getDB()->addQuotes( $cont[1] );
                        $this->addWhere(
-                               "cl_from > $clfrom OR " .
+                               "cl_from $op $clfrom OR " .
                                "(cl_from = $clfrom AND " .
-                               "cl_to >= '$clto')"
+                               "cl_to $op= $clto)"
                        );
                }
 
                if ( isset( $show['hidden'] ) && isset( $show['!hidden'] ) ) {
-                       $this->dieUsageMsg( array( 'show' ) );
+                       $this->dieWithError( 'apierror-show' );
                }
-               if ( isset( $show['hidden'] ) || isset( $show['!hidden'] ) || isset( $prop['hidden'] ) )
-               {
+               if ( isset( $show['hidden'] ) || isset( $show['!hidden'] ) || isset( $prop['hidden'] ) ) {
                        $this->addOption( 'STRAIGHT_JOIN' );
-                       $this->addTables( array( 'page', 'page_props' ) );
+                       $this->addTables( [ 'page', 'page_props' ] );
                        $this->addFieldsIf( 'pp_propname', isset( $prop['hidden'] ) );
-                       $this->addJoinConds( array(
-                               'page' => array( 'LEFT JOIN', array(
+                       $this->addJoinConds( [
+                               'page' => [ 'LEFT JOIN', [
                                        'page_namespace' => NS_CATEGORY,
-                                       'page_title = cl_to' ) ),
-                               'page_props' => array( 'LEFT JOIN', array(
+                                       'page_title = cl_to' ] ],
+                               'page_props' => [ 'LEFT JOIN', [
                                        'pp_page=page_id',
-                                       'pp_propname' => 'hiddencat' ) )
-                       ) );
+                                       'pp_propname' => 'hiddencat' ] ]
+                       ] );
                        if ( isset( $show['hidden'] ) ) {
-                               $this->addWhere( array( 'pp_propname IS NOT NULL' ) );
+                               $this->addWhere( [ 'pp_propname IS NOT NULL' ] );
                        } elseif ( isset( $show['!hidden'] ) ) {
-                               $this->addWhere( array( 'pp_propname IS NULL' ) );
+                               $this->addWhere( [ 'pp_propname IS NULL' ] );
                        }
                }
 
-               $this->addOption( 'USE INDEX', array( 'categorylinks' => 'cl_from' ) );
+               $sort = ( $params['dir'] == 'descending' ? ' DESC' : '' );
                // Don't order by cl_from if it's constant in the WHERE clause
                if ( count( $this->getPageSet()->getGoodTitles() ) == 1 ) {
-                       $this->addOption( 'ORDER BY', 'cl_to' );
+                       $this->addOption( 'ORDER BY', 'cl_to' . $sort );
                } else {
-                       $this->addOption( 'ORDER BY', "cl_from, cl_to" );
+                       $this->addOption( 'ORDER BY', [
+                               'cl_from' . $sort,
+                               'cl_to' . $sort
+                       ] );
                }
 
                $res = $this->select( __METHOD__ );
@@ -138,13 +136,12 @@ class ApiQueryCategories extends ApiQueryGeneratorBase {
                                if ( ++$count > $params['limit'] ) {
                                        // We've reached the one extra which shows that
                                        // there are additional pages to be had. Stop here...
-                                       $this->setContinueEnumParameter( 'continue', $row->cl_from .
-                                                       '|' . $this->keyToTitle( $row->cl_to ) );
+                                       $this->setContinueEnumParameter( 'continue', $row->cl_from . '|' . $row->cl_to );
                                        break;
                                }
 
                                $title = Title::makeTitle( NS_CATEGORY, $row->cl_to );
-                               $vals = array();
+                               $vals = [];
                                ApiQueryBase::addTitleInfo( $vals, $title );
                                if ( isset( $prop['sortkey'] ) ) {
                                        $vals['sortkey'] = bin2hex( $row->cl_sortkey );
@@ -153,100 +150,83 @@ class ApiQueryCategories extends ApiQueryGeneratorBase {
                                if ( isset( $prop['timestamp'] ) ) {
                                        $vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->cl_timestamp );
                                }
-                               if ( isset( $prop['hidden'] ) && !is_null( $row->pp_propname ) ) {
-                                       $vals['hidden'] = '';
+                               if ( isset( $prop['hidden'] ) ) {
+                                       $vals['hidden'] = !is_null( $row->pp_propname );
                                }
 
                                $fit = $this->addPageSubItem( $row->cl_from, $vals );
                                if ( !$fit ) {
-                                       $this->setContinueEnumParameter( 'continue', $row->cl_from .
-                                                       '|' . $this->keyToTitle( $row->cl_to ) );
+                                       $this->setContinueEnumParameter( 'continue', $row->cl_from . '|' . $row->cl_to );
                                        break;
                                }
                        }
                } else {
-                       $titles = array();
+                       $titles = [];
                        foreach ( $res as $row ) {
                                if ( ++$count > $params['limit'] ) {
                                        // We've reached the one extra which shows that
                                        // there are additional pages to be had. Stop here...
-                                       $this->setContinueEnumParameter( 'continue', $row->cl_from .
-                                                       '|' . $this->keyToTitle( $row->cl_to ) );
+                                       $this->setContinueEnumParameter( 'continue', $row->cl_from . '|' . $row->cl_to );
                                        break;
                                }
 
-                               $titles[] = Title :: makeTitle( NS_CATEGORY, $row->cl_to );
+                               $titles[] = Title::makeTitle( NS_CATEGORY, $row->cl_to );
                        }
                        $resultPageSet->populateFromTitles( $titles );
                }
        }
 
        public function getAllowedParams() {
-               return array(
-                       'prop' => array(
+               return [
+                       'prop' => [
                                ApiBase::PARAM_ISMULTI => true,
-                               ApiBase::PARAM_TYPE => array (
+                               ApiBase::PARAM_TYPE => [
                                        'sortkey',
                                        'timestamp',
                                        'hidden',
-                               )
-                       ),
-                       'show' => array(
+                               ],
+                               ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
+                       ],
+                       'show' => [
                                ApiBase::PARAM_ISMULTI => true,
-                               ApiBase::PARAM_TYPE => array(
+                               ApiBase::PARAM_TYPE => [
                                        'hidden',
                                        '!hidden',
-                               )
-                       ),
-                       'limit' => array(
+                               ]
+                       ],
+                       'limit' => [
                                ApiBase::PARAM_DFLT => 10,
                                ApiBase::PARAM_TYPE => 'limit',
                                ApiBase::PARAM_MIN => 1,
                                ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
                                ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
-                       ),
-                       'continue' => null,
-                       'categories' => array(
+                       ],
+                       'continue' => [
+                               ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
+                       ],
+                       'categories' => [
                                ApiBase::PARAM_ISMULTI => true,
-                       ),
-               );
-       }
-
-       public function getParamDescription() {
-               return array(
-                       'prop' => array(
-                               'Which additional properties to get for each category',
-                               ' sortkey    - Adds the sortkey (hexadecimal string) and sortkey prefix (human-readable part) for the category',
-                               ' timestamp  - Adds timestamp of when the category was added',
-                               ' hidden     - Tags categories that are hidden with __HIDDENCAT__',
-                       ),
-                       'limit' => 'How many categories to return',
-                       'show' => 'Which kind of categories to show',
-                       'continue' => 'When more results are available, use this to continue',
-                       'categories' => 'Only list these categories. Useful for checking whether a certain page is in a certain category',
-               );
-       }
-
-       public function getDescription() {
-               return 'List all categories the page(s) belong to';
-       }
-
-       public function getPossibleErrors() {
-               return array_merge( parent::getPossibleErrors(), array(
-                       array( 'show' ),
-               ) );
+                       ],
+                       'dir' => [
+                               ApiBase::PARAM_DFLT => 'ascending',
+                               ApiBase::PARAM_TYPE => [
+                                       'ascending',
+                                       'descending'
+                               ]
+                       ],
+               ];
        }
 
-       protected function getExamples() {
-               return array(
-                       'Get a list of categories [[Albert Einstein]] belongs to:',
-                       '  api.php?action=query&prop=categories&titles=Albert%20Einstein',
-                       'Get information about all categories used in the [[Albert Einstein]]:',
-                       '  api.php?action=query&generator=categories&titles=Albert%20Einstein&prop=info'
-               );
+       protected function getExamplesMessages() {
+               return [
+                       'action=query&prop=categories&titles=Albert%20Einstein'
+                               => 'apihelp-query+categories-example-simple',
+                       'action=query&generator=categories&titles=Albert%20Einstein&prop=info'
+                               => 'apihelp-query+categories-example-generator',
+               ];
        }
 
-       public function getVersion() {
-               return __CLASS__ . ': $Id$';
+       public function getHelpUrls() {
+               return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Categories';
        }
 }