includes/api/ApiSetNotificationTimestamp.php

   1 <?php
   2
   3 /**
   4  * API for MediaWiki 1.14+
   5  *
   6  * Copyright © 2012 Wikimedia Foundation and contributors
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  21  * http://www.gnu.org/copyleft/gpl.html
  22  *
  23  * @file
  24  */
  25
  26 use MediaWiki\MediaWikiServices;
  27
  28 /**
  29  * API interface for setting the wl_notificationtimestamp field
  30  * @ingroup API
  31  */
  32 class ApiSetNotificationTimestamp extends ApiBase {
  33
  34         private $mPageSet = null;
  35
  36         public function execute() {
  37                 $user = $this->getUser();
  38
  39                 if ( $user->isAnon() ) {
  40                         $this->dieWithError( 'watchlistanontext', 'notloggedin' );
  41                 }
  42                 $this->checkUserRightsAny( 'editmywatchlist' );
  43
  44                 $params = $this->extractRequestParams();
  45                 $this->requireMaxOneParameter( $params, 'timestamp', 'torevid', 'newerthanrevid' );
  46
  47                 $continuationManager = new ApiContinuationManager( $this, [], [] );
  48                 $this->setContinuationManager( $continuationManager );
  49
  50                 $pageSet = $this->getPageSet();
  51                 if ( $params['entirewatchlist'] && $pageSet->getDataSource() !== null ) {
  52                         $this->dieWithError(
  53                                 [
  54                                         'apierror-invalidparammix-cannotusewith',
  55                                         $this->encodeParamName( 'entirewatchlist' ),
  56                                         $pageSet->encodeParamName( $pageSet->getDataSource() )
  57                                 ],
  58                                 'multisource'
  59                         );
  60                 }
  61
  62                 $dbw = wfGetDB( DB_MASTER, 'api' );
  63
  64                 $timestamp = null;
  65                 if ( isset( $params['timestamp'] ) ) {
  66                         $timestamp = $dbw->timestamp( $params['timestamp'] );
  67                 }
  68
  69                 if ( !$params['entirewatchlist'] ) {
  70                         $pageSet->execute();
  71                 }
  72
  73                 if ( isset( $params['torevid'] ) ) {
  74                         if ( $params['entirewatchlist'] || $pageSet->getGoodTitleCount() > 1 ) {
  75                                 $this->dieWithError( [ 'apierror-multpages', $this->encodeParamName( 'torevid' ) ] );
  76                         }
  77                         $titles = $pageSet->getGoodTitles();
  78                         $title = reset( $titles );
  79                         if ( $title ) {
  80                                 // XXX $title isn't actually used, can we just get rid of the previous six lines?
  81                                 $timestamp = MediaWikiServices::getInstance()->getRevisionStore()
  82                                         ->getTimestampFromId( $params['torevid'], IDBAccessObject::READ_LATEST );
  83                                 if ( $timestamp ) {
  84                                         $timestamp = $dbw->timestamp( $timestamp );
  85                                 } else {
  86                                         $timestamp = null;
  87                                 }
  88                         }
  89                 } elseif ( isset( $params['newerthanrevid'] ) ) {
  90                         if ( $params['entirewatchlist'] || $pageSet->getGoodTitleCount() > 1 ) {
  91                                 $this->dieWithError( [ 'apierror-multpages', $this->encodeParamName( 'newerthanrevid' ) ] );
  92                         }
  93                         $titles = $pageSet->getGoodTitles();
  94                         $title = reset( $titles );
  95                         if ( $title ) {
  96                                 $revid = $title->getNextRevisionID( $params['newerthanrevid'], Title::GAID_FOR_UPDATE );
  97                                 if ( $revid ) {
  98                                         $timestamp = $dbw->timestamp(
  99                                                 MediaWikiServices::getInstance()->getRevisionStore()->getTimestampFromId( $title, $revid )
 100                                         );
 101                                 } else {
 102                                         $timestamp = null;
 103                                 }
 104                         }
 105                 }
 106
 107                 $watchedItemStore = MediaWikiServices::getInstance()->getWatchedItemStore();
 108                 $apiResult = $this->getResult();
 109                 $result = [];
 110                 if ( $params['entirewatchlist'] ) {
 111                         // Entire watchlist mode: Just update the thing and return a success indicator
 112                         $watchedItemStore->resetAllNotificationTimestampsForUser( $user, $timestamp );
 113
 114                         $result['notificationtimestamp'] = is_null( $timestamp )
 115                                 ? ''
 116                                 : wfTimestamp( TS_ISO_8601, $timestamp );
 117                 } else {
 118                         // First, log the invalid titles
 119                         foreach ( $pageSet->getInvalidTitlesAndReasons() as $r ) {
 120                                 $r['invalid'] = true;
 121                                 $result[] = $r;
 122                         }
 123                         foreach ( $pageSet->getMissingPageIDs() as $p ) {
 124                                 $page = [];
 125                                 $page['pageid'] = $p;
 126                                 $page['missing'] = true;
 127                                 $page['notwatched'] = true;
 128                                 $result[] = $page;
 129                         }
 130                         foreach ( $pageSet->getMissingRevisionIDs() as $r ) {
 131                                 $rev = [];
 132                                 $rev['revid'] = $r;
 133                                 $rev['missing'] = true;
 134                                 $rev['notwatched'] = true;
 135                                 $result[] = $rev;
 136                         }
 137
 138                         if ( $pageSet->getTitles() ) {
 139                                 // Now process the valid titles
 140                                 $watchedItemStore->setNotificationTimestampsForUser(
 141                                         $user,
 142                                         $timestamp,
 143                                         $pageSet->getTitles()
 144                                 );
 145
 146                                 // Query the results of our update
 147                                 $timestamps = $watchedItemStore->getNotificationTimestampsBatch(
 148                                         $user,
 149                                         $pageSet->getTitles()
 150                                 );
 151
 152                                 // Now, put the valid titles into the result
 153                                 /** @var Title $title */
 154                                 foreach ( $pageSet->getTitles() as $title ) {
 155                                         $ns = $title->getNamespace();
 156                                         $dbkey = $title->getDBkey();
 157                                         $r = [
 158                                                 'ns' => (int)$ns,
 159                                                 'title' => $title->getPrefixedText(),
 160                                         ];
 161                                         if ( !$title->exists() ) {
 162                                                 $r['missing'] = true;
 163                                                 if ( $title->isKnown() ) {
 164                                                         $r['known'] = true;
 165                                                 }
 166                                         }
 167                                         if ( isset( $timestamps[$ns] ) && array_key_exists( $dbkey, $timestamps[$ns] ) ) {
 168                                                 $r['notificationtimestamp'] = '';
 169                                                 if ( $timestamps[$ns][$dbkey] !== null ) {
 170                                                         $r['notificationtimestamp'] = wfTimestamp( TS_ISO_8601, $timestamps[$ns][$dbkey] );
 171                                                 }
 172                                         } else {
 173                                                 $r['notwatched'] = true;
 174                                         }
 175                                         $result[] = $r;
 176                                 }
 177                         }
 178
 179                         ApiResult::setIndexedTagName( $result, 'page' );
 180                 }
 181                 $apiResult->addValue( null, $this->getModuleName(), $result );
 182
 183                 $this->setContinuationManager( null );
 184                 $continuationManager->setContinuationIntoResult( $apiResult );
 185         }
 186
 187         /**
 188          * Get a cached instance of an ApiPageSet object
 189          * @return ApiPageSet
 190          */
 191         private function getPageSet() {
 192                 if ( $this->mPageSet === null ) {
 193                         $this->mPageSet = new ApiPageSet( $this );
 194                 }
 195
 196                 return $this->mPageSet;
 197         }
 198
 199         public function mustBePosted() {
 200                 return true;
 201         }
 202
 203         public function isWriteMode() {
 204                 return true;
 205         }
 206
 207         public function needsToken() {
 208                 return 'csrf';
 209         }
 210
 211         public function getAllowedParams( $flags = 0 ) {
 212                 $result = [
 213                         'entirewatchlist' => [
 214                                 ApiBase::PARAM_TYPE => 'boolean'
 215                         ],
 216                         'timestamp' => [
 217                                 ApiBase::PARAM_TYPE => 'timestamp'
 218                         ],
 219                         'torevid' => [
 220                                 ApiBase::PARAM_TYPE => 'integer'
 221                         ],
 222                         'newerthanrevid' => [
 223                                 ApiBase::PARAM_TYPE => 'integer'
 224                         ],
 225                         'continue' => [
 226                                 ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
 227                         ],
 228                 ];
 229                 if ( $flags ) {
 230                         $result += $this->getPageSet()->getFinalParams( $flags );
 231                 }
 232
 233                 return $result;
 234         }
 235
 236         protected function getExamplesMessages() {
 237                 return [
 238                         'action=setnotificationtimestamp&entirewatchlist=&token=123ABC'
 239                                 => 'apihelp-setnotificationtimestamp-example-all',
 240                         'action=setnotificationtimestamp&titles=Main_page&token=123ABC'
 241                                 => 'apihelp-setnotificationtimestamp-example-page',
 242                         'action=setnotificationtimestamp&titles=Main_page&' .
 243                                 'timestamp=2012-01-01T00:00:00Z&token=123ABC'
 244                                 => 'apihelp-setnotificationtimestamp-example-pagetimestamp',
 245                         'action=setnotificationtimestamp&generator=allpages&gapnamespace=2&token=123ABC'
 246                                 => 'apihelp-setnotificationtimestamp-example-allpages',
 247                 ];
 248         }
 249
 250         public function getHelpUrls() {
 251                 return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:SetNotificationTimestamp';
 252         }
 253 }