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                                 $timestamp = null;
  97                                 $rl = MediaWikiServices::getInstance()->getRevisionLookup();
  98                                 $currRev = $rl->getRevisionById( $params['newerthanrevid'], Title::READ_LATEST );
  99                                 if ( $currRev ) {
 100                                         $nextRev = $rl->getNextRevision( $currRev, Title::READ_LATEST );
 101                                         if ( $nextRev ) {
 102                                                 $timestamp = $dbw->timestamp( $nextRev->getTimestamp() );
 103                                         }
 104                                 }
 105                         }
 106                 }
 107
 108                 $watchedItemStore = MediaWikiServices::getInstance()->getWatchedItemStore();
 109                 $apiResult = $this->getResult();
 110                 $result = [];
 111                 if ( $params['entirewatchlist'] ) {
 112                         // Entire watchlist mode: Just update the thing and return a success indicator
 113                         $watchedItemStore->resetAllNotificationTimestampsForUser( $user, $timestamp );
 114
 115                         $result['notificationtimestamp'] = is_null( $timestamp )
 116                                 ? ''
 117                                 : wfTimestamp( TS_ISO_8601, $timestamp );
 118                 } else {
 119                         // First, log the invalid titles
 120                         foreach ( $pageSet->getInvalidTitlesAndReasons() as $r ) {
 121                                 $r['invalid'] = true;
 122                                 $result[] = $r;
 123                         }
 124                         foreach ( $pageSet->getMissingPageIDs() as $p ) {
 125                                 $page = [];
 126                                 $page['pageid'] = $p;
 127                                 $page['missing'] = true;
 128                                 $page['notwatched'] = true;
 129                                 $result[] = $page;
 130                         }
 131                         foreach ( $pageSet->getMissingRevisionIDs() as $r ) {
 132                                 $rev = [];
 133                                 $rev['revid'] = $r;
 134                                 $rev['missing'] = true;
 135                                 $rev['notwatched'] = true;
 136                                 $result[] = $rev;
 137                         }
 138
 139                         if ( $pageSet->getTitles() ) {
 140                                 // Now process the valid titles
 141                                 $watchedItemStore->setNotificationTimestampsForUser(
 142                                         $user,
 143                                         $timestamp,
 144                                         $pageSet->getTitles()
 145                                 );
 146
 147                                 // Query the results of our update
 148                                 $timestamps = $watchedItemStore->getNotificationTimestampsBatch(
 149                                         $user,
 150                                         $pageSet->getTitles()
 151                                 );
 152
 153                                 // Now, put the valid titles into the result
 154                                 /** @var Title $title */
 155                                 foreach ( $pageSet->getTitles() as $title ) {
 156                                         $ns = $title->getNamespace();
 157                                         $dbkey = $title->getDBkey();
 158                                         $r = [
 159                                                 'ns' => (int)$ns,
 160                                                 'title' => $title->getPrefixedText(),
 161                                         ];
 162                                         if ( !$title->exists() ) {
 163                                                 $r['missing'] = true;
 164                                                 if ( $title->isKnown() ) {
 165                                                         $r['known'] = true;
 166                                                 }
 167                                         }
 168                                         if ( isset( $timestamps[$ns] ) && array_key_exists( $dbkey, $timestamps[$ns] ) ) {
 169                                                 $r['notificationtimestamp'] = '';
 170                                                 if ( $timestamps[$ns][$dbkey] !== null ) {
 171                                                         $r['notificationtimestamp'] = wfTimestamp( TS_ISO_8601, $timestamps[$ns][$dbkey] );
 172                                                 }
 173                                         } else {
 174                                                 $r['notwatched'] = true;
 175                                         }
 176                                         $result[] = $r;
 177                                 }
 178                         }
 179
 180                         ApiResult::setIndexedTagName( $result, 'page' );
 181                 }
 182                 $apiResult->addValue( null, $this->getModuleName(), $result );
 183
 184                 $this->setContinuationManager( null );
 185                 $continuationManager->setContinuationIntoResult( $apiResult );
 186         }
 187
 188         /**
 189          * Get a cached instance of an ApiPageSet object
 190          * @return ApiPageSet
 191          */
 192         private function getPageSet() {
 193                 if ( $this->mPageSet === null ) {
 194                         $this->mPageSet = new ApiPageSet( $this );
 195                 }
 196
 197                 return $this->mPageSet;
 198         }
 199
 200         public function mustBePosted() {
 201                 return true;
 202         }
 203
 204         public function isWriteMode() {
 205                 return true;
 206         }
 207
 208         public function needsToken() {
 209                 return 'csrf';
 210         }
 211
 212         public function getAllowedParams( $flags = 0 ) {
 213                 $result = [
 214                         'entirewatchlist' => [
 215                                 ApiBase::PARAM_TYPE => 'boolean'
 216                         ],
 217                         'timestamp' => [
 218                                 ApiBase::PARAM_TYPE => 'timestamp'
 219                         ],
 220                         'torevid' => [
 221                                 ApiBase::PARAM_TYPE => 'integer'
 222                         ],
 223                         'newerthanrevid' => [
 224                                 ApiBase::PARAM_TYPE => 'integer'
 225                         ],
 226                         'continue' => [
 227                                 ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
 228                         ],
 229                 ];
 230                 if ( $flags ) {
 231                         $result += $this->getPageSet()->getFinalParams( $flags );
 232                 }
 233
 234                 return $result;
 235         }
 236
 237         protected function getExamplesMessages() {
 238                 return [
 239                         'action=setnotificationtimestamp&entirewatchlist=&token=123ABC'
 240                                 => 'apihelp-setnotificationtimestamp-example-all',
 241                         'action=setnotificationtimestamp&titles=Main_page&token=123ABC'
 242                                 => 'apihelp-setnotificationtimestamp-example-page',
 243                         'action=setnotificationtimestamp&titles=Main_page&' .
 244                                 'timestamp=2012-01-01T00:00:00Z&token=123ABC'
 245                                 => 'apihelp-setnotificationtimestamp-example-pagetimestamp',
 246                         'action=setnotificationtimestamp&generator=allpages&gapnamespace=2&token=123ABC'
 247                                 => 'apihelp-setnotificationtimestamp-example-allpages',
 248                 ];
 249         }
 250
 251         public function getHelpUrls() {
 252                 return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:SetNotificationTimestamp';
 253         }
 254 }