includes/api/ApiQueryLogEvents.php

   1 <?php
   2
   3 /*
   4  * Created on Oct 16, 2006
   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 ApiQueryLogEvents extends ApiQueryBase {
  35
  36         public function __construct($query, $moduleName) {
  37                 parent :: __construct($query, $moduleName, 'le');
  38         }
  39
  40         public function execute() {
  41                 $limit = $type = $start = $end = $dir = $user = $title = null;
  42                 extract($this->extractRequestParams());
  43
  44                 $db = $this->getDB();
  45
  46                 list($tbl_logging, $tbl_page, $tbl_user) = $db->tableNamesN('logging', 'page', 'user');
  47
  48                 $this->addOption('STRAIGHT_JOIN');
  49                 $this->addTables("$tbl_logging LEFT OUTER JOIN $tbl_page ON " .
  50                 "log_namespace=page_namespace AND log_title=page_title " .
  51                 "INNER JOIN $tbl_user ON user_id=log_user");
  52
  53                 $this->addFields(array (
  54                         'log_type',
  55                         'log_action',
  56                         'log_timestamp',
  57                         'log_user',
  58                         'user_name',
  59                         'log_namespace',
  60                         'log_title',
  61                         'page_id',
  62                         'log_comment',
  63                         'log_params'
  64                 ));
  65
  66                 $this->addWhereFld('log_type', $type);
  67                 $this->addWhereRange('log_timestamp', $dir, $start, $end);
  68                 $this->addOption('LIMIT', $limit +1);
  69
  70                 if (!is_null($user)) {
  71                         $userid = $db->selectField('user', 'user_id', array (
  72                                 'user_name' => $user
  73                         ));
  74                         if (!$userid)
  75                                 $this->dieUsage("User name $user not found", 'param_user');
  76                         $this->addWhereFld('log_user', $userid);
  77                 }
  78
  79                 if (!is_null($title)) {
  80                         $titleObj = Title :: newFromText($title);
  81                         if (is_null($titleObj))
  82                                 $this->dieUsage("Bad title value '$title'", 'param_title');
  83                         $this->addWhereFld('log_namespace', $titleObj->getNamespace());
  84                         $this->addWhereFld('log_title', $titleObj->getDBkey());
  85                 }
  86
  87                 $data = array ();
  88                 $count = 0;
  89                 $res = $this->select(__METHOD__);
  90                 while ($row = $db->fetchObject($res)) {
  91                         if (++ $count > $limit) {
  92                                 // We've reached the one extra which shows that there are additional pages to be had. Stop here...
  93                                 $this->setContinueEnumParameter('start', $row->log_timestamp);
  94                                 break;
  95                         }
  96
  97                         $vals = $this->extractRowInfo($row);
  98                         if($vals)
  99                                 $data[] = $vals;
 100                 }
 101                 $db->freeResult($res);
 102
 103                 $this->getResult()->setIndexedTagName($data, 'item');
 104                 $this->getResult()->addValue('query', $this->getModuleName(), $data);
 105         }
 106
 107         private function extractRowInfo($row) {
 108                 $title = Title :: makeTitle($row->log_namespace, $row->log_title);
 109                 if (!$title->userCanRead())
 110                         return false;
 111
 112                 $vals = array();
 113
 114                 $vals['pageid'] = intval($row->page_id);
 115                 ApiQueryBase :: addTitleInfo($vals, $title);
 116                 $vals['type'] = $row->log_type;
 117                 $vals['action'] = $row->log_action;
 118
 119                 if ($row->log_params !== '') {
 120                         $params = explode("\n", $row->log_params);
 121                         switch ($row->log_type) {
 122                                 case 'move':
 123                                         if (isset ($params[0])) {
 124                                                 $title = Title :: newFromText($params[0]);
 125                                                 if ($title) {
 126                                                         ApiQueryBase :: addTitleInfo($vals, $title, "new_");
 127                                                         $params = null;
 128                                                 }
 129                                         }
 130                                         break;
 131                                 case 'patrol':
 132                                         list( $cur, $prev, $auto ) = $params;
 133                                         $vals['patrol_prev'] = $prev;
 134                                         $vals['patrol_cur'] = $cur;
 135                                         $vals['patrol_auto'] = $auto;
 136                                         $params = null;
 137                                         break;
 138                         }
 139
 140                         if (!empty ($params)) {
 141                                 $this->getResult()->setIndexedTagName($params, 'param');
 142                                 $vals = array_merge($vals, $params);
 143                         }
 144                 }
 145
 146                 $vals['user'] = $row->user_name;
 147                 if(!$row->log_user)
 148                         $vals['anon'] = '';
 149                 $vals['timestamp'] = wfTimestamp(TS_ISO_8601, $row->log_timestamp);
 150
 151                 if (!empty ($row->log_comment))
 152                         $vals['comment'] = $row->log_comment;
 153
 154                 return $vals;
 155         }
 156
 157
 158         protected function getAllowedParams() {
 159                 global $wgLogTypes;
 160                 return array (
 161                         'type' => array (
 162                                 ApiBase :: PARAM_ISMULTI => true,
 163                                 ApiBase :: PARAM_TYPE => $wgLogTypes
 164                         ),
 165                         'start' => array (
 166                                 ApiBase :: PARAM_TYPE => 'timestamp'
 167                         ),
 168                         'end' => array (
 169                                 ApiBase :: PARAM_TYPE => 'timestamp'
 170                         ),
 171                         'dir' => array (
 172                                 ApiBase :: PARAM_DFLT => 'older',
 173                                 ApiBase :: PARAM_TYPE => array (
 174                                         'newer',
 175                                         'older'
 176                                 )
 177                         ),
 178                         'user' => null,
 179                         'title' => null,
 180                         'limit' => array (
 181                                 ApiBase :: PARAM_DFLT => 10,
 182                                 ApiBase :: PARAM_TYPE => 'limit',
 183                                 ApiBase :: PARAM_MIN => 1,
 184                                 ApiBase :: PARAM_MAX => ApiBase :: LIMIT_BIG1,
 185                                 ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
 186                         )
 187                 );
 188         }
 189
 190         protected function getParamDescription() {
 191                 return array (
 192                         'type' => 'Filter log entries to only this type(s)',
 193                         'start' => 'The timestamp to start enumerating from.',
 194                         'end' => 'The timestamp to end enumerating.',
 195                         'dir' => 'In which direction to enumerate.',
 196                         'user' => 'Filter entries to those made by the given user.',
 197                         'title' => 'Filter entries to those related to a page.',
 198                         'limit' => 'How many total event entries to return.'
 199                 );
 200         }
 201
 202         protected function getDescription() {
 203                 return 'Get events from logs.';
 204         }
 205
 206         protected function getExamples() {
 207                 return array (
 208                         'api.php?action=query&list=logevents'
 209                 );
 210         }
 211
 212         public function getVersion() {
 213                 return __CLASS__ . ': $Id$';
 214         }
 215 }
 216 ?>