includes/api/ApiQueryLangLinks.php

   1 <?php
   2
   3 /*
   4  * Created on May 13, 2007
   5  *
   6  * API for MediaWiki 1.8+
   7  *
   8  * Copyright (C) 2006 Yuri Astrakhan <FirstnameLastname@gmail.com>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23  * http://www.gnu.org/copyleft/gpl.html
  24  */
  25
  26 if (!defined('MEDIAWIKI')) {
  27         // Eclipse helper - will be ignored in production
  28         require_once ("ApiQueryBase.php");
  29 }
  30
  31 /**
  32  * @addtogroup API
  33  */
  34 class ApiQueryLangLinks extends ApiQueryBase {
  35
  36         public function __construct($query, $moduleName) {
  37                 parent :: __construct($query, $moduleName, 'll');
  38         }
  39
  40         public function execute() {
  41                 $this->addFields(array (
  42                         'll_from',
  43                         'll_lang',
  44                         'll_title'
  45                 ));
  46
  47                 $this->addTables('langlinks');
  48                 $this->addWhereFld('ll_from', array_keys($this->getPageSet()->getGoodTitles()));
  49                 $this->addOption('ORDER BY', "ll_from, ll_lang");
  50                 $res = $this->select(__METHOD__);
  51
  52                 $data = array();
  53                 $lastId = 0;    // database has no ID 0
  54                 $db = $this->getDB();
  55                 while ($row = $db->fetchObject($res)) {
  56
  57                         if ($lastId != $row->ll_from) {
  58                                 if($lastId != 0) {
  59                                         $this->addPageSubItems($lastId, $data);
  60                                         $data = array();
  61                                 }
  62                                 $lastId = $row->ll_from;
  63                         }
  64
  65                         $entry = array('lang'=>$row->ll_lang);
  66                         ApiResult :: setContent($entry, $row->ll_title);
  67                         $data[] = $entry;
  68                 }
  69
  70                 if($lastId != 0) {
  71                         $this->addPageSubItems($lastId, $data);
  72                 }
  73
  74                 $db->freeResult($res);
  75         }
  76
  77         private function addPageSubItems($pageId, $data) {
  78                 $result = $this->getResult();
  79                 $result->setIndexedTagName($data, 'll');
  80                 $result->addValue(array ('query', 'pages', intval($pageId)),
  81                         'langlinks',
  82                         $data);
  83         }
  84
  85         protected function getDescription() {
  86                 return 'Returns all interlanguage links from the given page(s)';
  87         }
  88
  89         protected function getExamples() {
  90                 return array (
  91                                 "Get interlanguage links from the [[Main Page]]:",
  92                                 "  api.php?action=query&prop=langlinks&titles=Main%20Page&redirects",
  93                         );
  94         }
  95
  96         public function getVersion() {
  97                 return __CLASS__ . ': $Id$';
  98         }
  99 }
 100 ?>