]> scripts.mit.edu Git - autoinstalls/mediawiki.git/blobdiff - includes/api/ApiQueryImages.php
MediaWiki 1.17.4
[autoinstalls/mediawiki.git] / includes / api / ApiQueryImages.php
index 69569e9bdfd77889a7f7380a7069640f5f56dc20..2fd183a3c709924c697576db95cdd67973d73a10 100644 (file)
@@ -1,11 +1,10 @@
 <?php
-
-/*
- * Created on May 13, 2007
- *
+/**
  * API for MediaWiki 1.8+
  *
- * Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * Created on May 13, 2007
+ *
+ * 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
  *
  * You should have received a copy of the GNU General Public License along
  * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
  */
 
-if (!defined('MEDIAWIKI')) {
+if ( !defined( 'MEDIAWIKI' ) ) {
        // Eclipse helper - will be ignored in production
-       require_once ("ApiQueryBase.php");
+       require_once( "ApiQueryBase.php" );
 }
 
 /**
@@ -35,106 +36,110 @@ if (!defined('MEDIAWIKI')) {
  */
 class ApiQueryImages extends ApiQueryGeneratorBase {
 
-       public function __construct($query, $moduleName) {
-               parent :: __construct($query, $moduleName, 'im');
+       public function __construct( $query, $moduleName ) {
+               parent::__construct( $query, $moduleName, 'im' );
        }
 
        public function execute() {
                $this->run();
        }
 
-       public function executeGenerator($resultPageSet) {
-               $this->run($resultPageSet);
+       public function executeGenerator( $resultPageSet ) {
+               $this->run( $resultPageSet );
        }
 
-       private function run($resultPageSet = null) {
-
-               if ($this->getPageSet()->getGoodTitleCount() == 0)
+       private function run( $resultPageSet = null ) {
+               if ( $this->getPageSet()->getGoodTitleCount() == 0 ) {
                        return; // nothing to do
+               }
 
                $params = $this->extractRequestParams();
-               $this->addFields(array (
+               $this->addFields( array(
                        'il_from',
                        'il_to'
-               ));
-
-               $this->addTables('imagelinks');
-               $this->addWhereFld('il_from', array_keys($this->getPageSet()->getGoodTitles()));
-               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");
-                       $ilfrom = intval($cont[0]);
-                       $ilto = $this->getDB()->strencode($this->titleToKey($cont[1]));
-                       $this->addWhere("il_from > $ilfrom OR ".
-                                       "(il_from = $ilfrom AND ".
-                                       "il_to >= '$ilto')");
+               ) );
+
+               $this->addTables( 'imagelinks' );
+               $this->addWhereFld( 'il_from', array_keys( $this->getPageSet()->getGoodTitles() ) );
+               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' );
+                       }
+                       $ilfrom = intval( $cont[0] );
+                       $ilto = $this->getDB()->strencode( $this->titleToKey( $cont[1] ) );
+                       $this->addWhere(
+                               "il_from > $ilfrom OR " .
+                               "(il_from = $ilfrom AND " .
+                               "il_to >= '$ilto')"
+                       );
                }
-               # Don't order by il_from if it's constant in the WHERE clause
-               if(count($this->getPageSet()->getGoodTitles()) == 1)
-                       $this->addOption('ORDER BY', 'il_to');
-               else
-                       $this->addOption('ORDER BY', 'il_from, il_to');
-               $this->addOption('LIMIT', $params['limit'] + 1);
 
-               $db = $this->getDB();
-               $res = $this->select(__METHOD__);
+               // Don't order by il_from if it's constant in the WHERE clause
+               if ( count( $this->getPageSet()->getGoodTitles() ) == 1 ) {
+                       $this->addOption( 'ORDER BY', 'il_to' );
+               } else {
+                       $this->addOption( 'ORDER BY', 'il_from, il_to' );
+               }
+               $this->addOption( 'LIMIT', $params['limit'] + 1 );
+
+               $res = $this->select( __METHOD__ );
 
-               if (is_null($resultPageSet)) {
+               if ( is_null( $resultPageSet ) ) {
                        $count = 0;
-                       while ($row = $db->fetchObject($res)) {
-                               if (++$count > $params['limit']) {
+                       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->il_from .
-                                                       '|' . $this->keyToTitle($row->il_to));
+                                       $this->setContinueEnumParameter( 'continue', $row->il_from .
+                                                       '|' . $this->keyToTitle( $row->il_to ) );
                                        break;
                                }
                                $vals = array();
-                               ApiQueryBase :: addTitleInfo($vals, Title :: makeTitle(NS_FILE, $row->il_to));
-                               $fit = $this->addPageSubItem($row->il_from, $vals);
-                               if(!$fit)
-                               {
-                                       $this->setContinueEnumParameter('continue', $row->il_from .
-                                                       '|' . $this->keyToTitle($row->il_to));
+                               ApiQueryBase::addTitleInfo( $vals, Title::makeTitle( NS_FILE, $row->il_to ) );
+                               $fit = $this->addPageSubItem( $row->il_from, $vals );
+                               if ( !$fit ) {
+                                       $this->setContinueEnumParameter( 'continue', $row->il_from .
+                                                       '|' . $this->keyToTitle( $row->il_to ) );
                                        break;
                                }
                        }
                } else {
-
                        $titles = array();
                        $count = 0;
-                       while ($row = $db->fetchObject($res)) {
-                               if (++$count > $params['limit']) {
+                       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->il_from .
-                                                       '|' . $this->keyToTitle($row->il_to));
+                                       $this->setContinueEnumParameter( 'continue', $row->il_from .
+                                                       '|' . $this->keyToTitle( $row->il_to ) );
                                        break;
                                }
-                               $titles[] = Title :: makeTitle(NS_FILE, $row->il_to);
+                               $titles[] = Title::makeTitle( NS_FILE, $row->il_to );
                        }
-                       $resultPageSet->populateFromTitles($titles);
+                       $resultPageSet->populateFromTitles( $titles );
                }
+       }
 
-               $db->freeResult($res);
+       public function getCacheMode( $params ) {
+               return 'public';
        }
 
        public function getAllowedParams() {
                return array(
-                               'limit' => array(
-                                       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,
+                       'limit' => array(
+                               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,
                );
        }
 
-       public function getParamDescription () {
+       public function getParamDescription() {
                return array(
                        'limit' => 'How many images to return',
                        'continue' => 'When more results are available, use this to continue',
@@ -145,16 +150,22 @@ class ApiQueryImages extends ApiQueryGeneratorBase {
                return 'Returns all images contained on the given page(s)';
        }
 
+       public function getPossibleErrors() {
+               return array_merge( parent::getPossibleErrors(), array(
+                       array( 'code' => '_badcontinue', 'info' => 'Invalid continue param. You should pass the original value returned by the previous query' ),
+               ) );
+       }
+
        protected function getExamples() {
-               return array (
-                               "Get a list of images used in the [[Main Page]]:",
-                               "  api.php?action=query&prop=images&titles=Main%20Page",
-                               "Get information about all images used in the [[Main Page]]:",
-                               "  api.php?action=query&generator=images&titles=Main%20Page&prop=info"
-                       );
+               return array(
+                       'Get a list of images used in the [[Main Page]]:',
+                       '  api.php?action=query&prop=images&titles=Main%20Page',
+                       'Get information about all images used in the [[Main Page]]:',
+                       '  api.php?action=query&generator=images&titles=Main%20Page&prop=info'
+               );
        }
 
        public function getVersion() {
-               return __CLASS__ . ': $Id: ApiQueryImages.php 46845 2009-02-05 14:30:59Z catrope $';
+               return __CLASS__ . ': $Id$';
        }
-}
\ No newline at end of file
+}