includes/specials/SpecialRecentChanges.php

   1 <?php
   2 /**
   3  * Implements Special:Recentchanges
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  */
  23
  24 use MediaWiki\MediaWikiServices;
  25 use Wikimedia\Rdbms\IResultWrapper;
  26 use Wikimedia\Rdbms\FakeResultWrapper;
  27
  28 /**
  29  * A special page that lists last changes made to the wiki
  30  *
  31  * @ingroup SpecialPage
  32  */
  33 class SpecialRecentChanges extends ChangesListSpecialPage {
  34
  35         protected static $savedQueriesPreferenceName = 'rcfilters-saved-queries';
  36         protected static $daysPreferenceName = 'rcdays'; // Use general RecentChanges preference
  37         protected static $limitPreferenceName = 'rcfilters-limit'; // Use RCFilters-specific preference
  38         protected static $collapsedPreferenceName = 'rcfilters-rc-collapsed';
  39
  40         private $watchlistFilterGroupDefinition;
  41
  42         public function __construct( $name = 'Recentchanges', $restriction = '' ) {
  43                 parent::__construct( $name, $restriction );
  44
  45                 $this->watchlistFilterGroupDefinition = [
  46                         'name' => 'watchlist',
  47                         'title' => 'rcfilters-filtergroup-watchlist',
  48                         'class' => ChangesListStringOptionsFilterGroup::class,
  49                         'priority' => -9,
  50                         'isFullCoverage' => true,
  51                         'filters' => [
  52                                 [
  53                                         'name' => 'watched',
  54                                         'label' => 'rcfilters-filter-watchlist-watched-label',
  55                                         'description' => 'rcfilters-filter-watchlist-watched-description',
  56                                         'cssClassSuffix' => 'watched',
  57                                         'isRowApplicableCallable' => function ( $ctx, $rc ) {
  58                                                 return $rc->getAttribute( 'wl_user' );
  59                                         }
  60                                 ],
  61                                 [
  62                                         'name' => 'watchednew',
  63                                         'label' => 'rcfilters-filter-watchlist-watchednew-label',
  64                                         'description' => 'rcfilters-filter-watchlist-watchednew-description',
  65                                         'cssClassSuffix' => 'watchednew',
  66                                         'isRowApplicableCallable' => function ( $ctx, $rc ) {
  67                                                 return $rc->getAttribute( 'wl_user' ) &&
  68                                                         $rc->getAttribute( 'rc_timestamp' ) &&
  69                                                         $rc->getAttribute( 'wl_notificationtimestamp' ) &&
  70                                                         $rc->getAttribute( 'rc_timestamp' ) >= $rc->getAttribute( 'wl_notificationtimestamp' );
  71                                         },
  72                                 ],
  73                                 [
  74                                         'name' => 'notwatched',
  75                                         'label' => 'rcfilters-filter-watchlist-notwatched-label',
  76                                         'description' => 'rcfilters-filter-watchlist-notwatched-description',
  77                                         'cssClassSuffix' => 'notwatched',
  78                                         'isRowApplicableCallable' => function ( $ctx, $rc ) {
  79                                                 return $rc->getAttribute( 'wl_user' ) === null;
  80                                         },
  81                                 ]
  82                         ],
  83                         'default' => ChangesListStringOptionsFilterGroup::NONE,
  84                         'queryCallable' => function ( $specialPageClassName, $context, $dbr,
  85                                 &$tables, &$fields, &$conds, &$query_options, &$join_conds, $selectedValues ) {
  86                                 sort( $selectedValues );
  87                                 $notwatchedCond = 'wl_user IS NULL';
  88                                 $watchedCond = 'wl_user IS NOT NULL';
  89                                 $newCond = 'rc_timestamp >= wl_notificationtimestamp';
  90
  91                                 if ( $selectedValues === [ 'notwatched' ] ) {
  92                                         $conds[] = $notwatchedCond;
  93                                         return;
  94                                 }
  95
  96                                 if ( $selectedValues === [ 'watched' ] ) {
  97                                         $conds[] = $watchedCond;
  98                                         return;
  99                                 }
 100
 101                                 if ( $selectedValues === [ 'watchednew' ] ) {
 102                                         $conds[] = $dbr->makeList( [
 103                                                 $watchedCond,
 104                                                 $newCond
 105                                         ], LIST_AND );
 106                                         return;
 107                                 }
 108
 109                                 if ( $selectedValues === [ 'notwatched', 'watched' ] ) {
 110                                         // no filters
 111                                         return;
 112                                 }
 113
 114                                 if ( $selectedValues === [ 'notwatched', 'watchednew' ] ) {
 115                                         $conds[] = $dbr->makeList( [
 116                                                 $notwatchedCond,
 117                                                 $dbr->makeList( [
 118                                                         $watchedCond,
 119                                                         $newCond
 120                                                 ], LIST_AND )
 121                                         ], LIST_OR );
 122                                         return;
 123                                 }
 124
 125                                 if ( $selectedValues === [ 'watched', 'watchednew' ] ) {
 126                                         $conds[] = $watchedCond;
 127                                         return;
 128                                 }
 129
 130                                 if ( $selectedValues === [ 'notwatched', 'watched', 'watchednew' ] ) {
 131                                         // no filters
 132                                         return;
 133                                 }
 134                         }
 135                 ];
 136         }
 137
 138         /**
 139          * @param string|null $subpage
 140          */
 141         public function execute( $subpage ) {
 142                 // Backwards-compatibility: redirect to new feed URLs
 143                 $feedFormat = $this->getRequest()->getVal( 'feed' );
 144                 if ( !$this->including() && $feedFormat ) {
 145                         $query = $this->getFeedQuery();
 146                         $query['feedformat'] = $feedFormat === 'atom' ? 'atom' : 'rss';
 147                         $this->getOutput()->redirect( wfAppendQuery( wfScript( 'api' ), $query ) );
 148
 149                         return;
 150                 }
 151
 152                 // 10 seconds server-side caching max
 153                 $out = $this->getOutput();
 154                 $out->setCdnMaxage( 10 );
 155                 // Check if the client has a cached version
 156                 $lastmod = $this->checkLastModified();
 157                 if ( $lastmod === false ) {
 158                         return;
 159                 }
 160
 161                 $this->addHelpLink(
 162                         'https://meta.wikimedia.org/wiki/Special:MyLanguage/Help:Recent_changes',
 163                         true
 164                 );
 165                 parent::execute( $subpage );
 166         }
 167
 168         /**
 169          * @inheritDoc
 170          */
 171         protected function transformFilterDefinition( array $filterDefinition ) {
 172                 if ( isset( $filterDefinition['showHideSuffix'] ) ) {
 173                         $filterDefinition['showHide'] = 'rc' . $filterDefinition['showHideSuffix'];
 174                 }
 175
 176                 return $filterDefinition;
 177         }
 178
 179         /**
 180          * @inheritDoc
 181          */
 182         protected function registerFilters() {
 183                 parent::registerFilters();
 184
 185                 if (
 186                         !$this->including() &&
 187                         $this->getUser()->isLoggedIn() &&
 188                         $this->getUser()->isAllowed( 'viewmywatchlist' )
 189                 ) {
 190                         $this->registerFiltersFromDefinitions( [ $this->watchlistFilterGroupDefinition ] );
 191                         $watchlistGroup = $this->getFilterGroup( 'watchlist' );
 192                         $watchlistGroup->getFilter( 'watched' )->setAsSupersetOf(
 193                                 $watchlistGroup->getFilter( 'watchednew' )
 194                         );
 195                 }
 196
 197                 $user = $this->getUser();
 198
 199                 $significance = $this->getFilterGroup( 'significance' );
 200                 /** @var ChangesListBooleanFilter $hideMinor */
 201                 $hideMinor = $significance->getFilter( 'hideminor' );
 202                 '@phan-var ChangesListBooleanFilter $hideMinor';
 203                 $hideMinor->setDefault( $user->getBoolOption( 'hideminor' ) );
 204
 205                 $automated = $this->getFilterGroup( 'automated' );
 206                 /** @var ChangesListBooleanFilter $hideBots */
 207                 $hideBots = $automated->getFilter( 'hidebots' );
 208                 '@phan-var ChangesListBooleanFilter $hideBots';
 209                 $hideBots->setDefault( true );
 210
 211                 /** @var ChangesListStringOptionsFilterGroup|null $reviewStatus */
 212                 $reviewStatus = $this->getFilterGroup( 'reviewStatus' );
 213                 '@phan-var ChangesListStringOptionsFilterGroup|null $reviewStatus';
 214                 if ( $reviewStatus !== null ) {
 215                         // Conditional on feature being available and rights
 216                         if ( $user->getBoolOption( 'hidepatrolled' ) ) {
 217                                 $reviewStatus->setDefault( 'unpatrolled' );
 218                                 $legacyReviewStatus = $this->getFilterGroup( 'legacyReviewStatus' );
 219                                 /** @var ChangesListBooleanFilter $legacyHidePatrolled */
 220                                 $legacyHidePatrolled = $legacyReviewStatus->getFilter( 'hidepatrolled' );
 221                                 '@phan-var ChangesListBooleanFilter $legacyHidePatrolled';
 222                                 $legacyHidePatrolled->setDefault( true );
 223                         }
 224                 }
 225
 226                 $changeType = $this->getFilterGroup( 'changeType' );
 227                 /** @var ChangesListBooleanFilter $hideCategorization */
 228                 $hideCategorization = $changeType->getFilter( 'hidecategorization' );
 229                 '@phan-var ChangesListBooleanFilter $hideCategorization';
 230                 if ( $hideCategorization !== null ) {
 231                         // Conditional on feature being available
 232                         $hideCategorization->setDefault( $user->getBoolOption( 'hidecategorization' ) );
 233                 }
 234         }
 235
 236         /**
 237          * Process $par and put options found in $opts. Used when including the page.
 238          *
 239          * @param string $par
 240          * @param FormOptions $opts
 241          */
 242         public function parseParameters( $par, FormOptions $opts ) {
 243                 parent::parseParameters( $par, $opts );
 244
 245                 $bits = preg_split( '/\s*,\s*/', trim( $par ) );
 246                 foreach ( $bits as $bit ) {
 247                         if ( is_numeric( $bit ) ) {
 248                                 $opts['limit'] = $bit;
 249                         }
 250
 251                         $m = [];
 252                         if ( preg_match( '/^limit=(\d+)$/', $bit, $m ) ) {
 253                                 $opts['limit'] = $m[1];
 254                         }
 255                         if ( preg_match( '/^days=(\d+(?:\.\d+)?)$/', $bit, $m ) ) {
 256                                 $opts['days'] = $m[1];
 257                         }
 258                         if ( preg_match( '/^namespace=(.*)$/', $bit, $m ) ) {
 259                                 $opts['namespace'] = $m[1];
 260                         }
 261                         if ( preg_match( '/^tagfilter=(.*)$/', $bit, $m ) ) {
 262                                 $opts['tagfilter'] = $m[1];
 263                         }
 264                 }
 265         }
 266
 267         /**
 268          * @inheritDoc
 269          */
 270         protected function doMainQuery( $tables, $fields, $conds, $query_options,
 271                 $join_conds, FormOptions $opts
 272         ) {
 273                 $dbr = $this->getDB();
 274                 $user = $this->getUser();
 275
 276                 $rcQuery = RecentChange::getQueryInfo();
 277                 $tables = array_merge( $tables, $rcQuery['tables'] );
 278                 $fields = array_merge( $rcQuery['fields'], $fields );
 279                 $join_conds = array_merge( $join_conds, $rcQuery['joins'] );
 280
 281                 // JOIN on watchlist for users
 282                 if ( $user->isLoggedIn() && $user->isAllowed( 'viewmywatchlist' ) ) {
 283                         $tables[] = 'watchlist';
 284                         $fields[] = 'wl_user';
 285                         $fields[] = 'wl_notificationtimestamp';
 286                         $join_conds['watchlist'] = [ 'LEFT JOIN', [
 287                                 'wl_user' => $user->getId(),
 288                                 'wl_title=rc_title',
 289                                 'wl_namespace=rc_namespace'
 290                         ] ];
 291                 }
 292
 293                 // JOIN on page, used for 'last revision' filter highlight
 294                 $tables[] = 'page';
 295                 $fields[] = 'page_latest';
 296                 $join_conds['page'] = [ 'LEFT JOIN', 'rc_cur_id=page_id' ];
 297
 298                 $tagFilter = $opts['tagfilter'] ? explode( '|', $opts['tagfilter'] ) : [];
 299                 ChangeTags::modifyDisplayQuery(
 300                         $tables,
 301                         $fields,
 302                         $conds,
 303                         $join_conds,
 304                         $query_options,
 305                         $tagFilter
 306                 );
 307
 308                 if ( !$this->runMainQueryHook( $tables, $fields, $conds, $query_options, $join_conds,
 309                         $opts )
 310                 ) {
 311                         return false;
 312                 }
 313
 314                 if ( $this->areFiltersInConflict() ) {
 315                         return false;
 316                 }
 317
 318                 $orderByAndLimit = [
 319                         'ORDER BY' => 'rc_timestamp DESC',
 320                         'LIMIT' => $opts['limit']
 321                 ];
 322                 if ( in_array( 'DISTINCT', $query_options ) ) {
 323                         // ChangeTags::modifyDisplayQuery() adds DISTINCT when filtering on multiple tags.
 324                         // In order to prevent DISTINCT from causing query performance problems,
 325                         // we have to GROUP BY the primary key. This in turn requires us to add
 326                         // the primary key to the end of the ORDER BY, and the old ORDER BY to the
 327                         // start of the GROUP BY
 328                         $orderByAndLimit['ORDER BY'] = 'rc_timestamp DESC, rc_id DESC';
 329                         $orderByAndLimit['GROUP BY'] = 'rc_timestamp, rc_id';
 330                 }
 331                 // array_merge() is used intentionally here so that hooks can, should
 332                 // they so desire, override the ORDER BY / LIMIT condition(s); prior to
 333                 // MediaWiki 1.26 this used to use the plus operator instead, which meant
 334                 // that extensions weren't able to change these conditions
 335                 $query_options = array_merge( $orderByAndLimit, $query_options );
 336                 $rows = $dbr->select(
 337                         $tables,
 338                         $fields,
 339                         // rc_new is not an ENUM, but adding a redundant rc_new IN (0,1) gives mysql enough
 340                         // knowledge to use an index merge if it wants (it may use some other index though).
 341                         $conds + [ 'rc_new' => [ 0, 1 ] ],
 342                         __METHOD__,
 343                         $query_options,
 344                         $join_conds
 345                 );
 346
 347                 return $rows;
 348         }
 349
 350         protected function getDB() {
 351                 return wfGetDB( DB_REPLICA, 'recentchanges' );
 352         }
 353
 354         public function outputFeedLinks() {
 355                 $this->addFeedLinks( $this->getFeedQuery() );
 356         }
 357
 358         /**
 359          * Get URL query parameters for action=feedrecentchanges API feed of current recent changes view.
 360          *
 361          * @return array
 362          */
 363         protected function getFeedQuery() {
 364                 $query = array_filter( $this->getOptions()->getAllValues(), function ( $value ) {
 365                         // API handles empty parameters in a different way
 366                         return $value !== '';
 367                 } );
 368                 $query['action'] = 'feedrecentchanges';
 369                 $feedLimit = $this->getConfig()->get( 'FeedLimit' );
 370                 if ( $query['limit'] > $feedLimit ) {
 371                         $query['limit'] = $feedLimit;
 372                 }
 373
 374                 return $query;
 375         }
 376
 377         /**
 378          * Build and output the actual changes list.
 379          *
 380          * @param IResultWrapper $rows Database rows
 381          * @param FormOptions $opts
 382          */
 383         public function outputChangesList( $rows, $opts ) {
 384                 $limit = $opts['limit'];
 385
 386                 $showWatcherCount = $this->getConfig()->get( 'RCShowWatchingUsers' )
 387                         && $this->getUser()->getOption( 'shownumberswatching' );
 388                 $watcherCache = [];
 389
 390                 $counter = 1;
 391                 $list = ChangesList::newFromContext( $this->getContext(), $this->filterGroups );
 392                 $list->initChangesListRows( $rows );
 393
 394                 $userShowHiddenCats = $this->getUser()->getBoolOption( 'showhiddencats' );
 395                 $rclistOutput = $list->beginRecentChangesList();
 396                 if ( $this->isStructuredFilterUiEnabled() ) {
 397                         $rclistOutput .= $this->makeLegend();
 398                 }
 399
 400                 foreach ( $rows as $obj ) {
 401                         if ( $limit == 0 ) {
 402                                 break;
 403                         }
 404                         $rc = RecentChange::newFromRow( $obj );
 405
 406                         # Skip CatWatch entries for hidden cats based on user preference
 407                         if (
 408                                 $rc->getAttribute( 'rc_type' ) == RC_CATEGORIZE &&
 409                                 !$userShowHiddenCats &&
 410                                 $rc->getParam( 'hidden-cat' )
 411                         ) {
 412                                 continue;
 413                         }
 414
 415                         $rc->counter = $counter++;
 416                         # Check if the page has been updated since the last visit
 417                         if ( $this->getConfig()->get( 'ShowUpdatedMarker' )
 418                                 && !empty( $obj->wl_notificationtimestamp )
 419                         ) {
 420                                 $rc->notificationtimestamp = ( $obj->rc_timestamp >= $obj->wl_notificationtimestamp );
 421                         } else {
 422                                 $rc->notificationtimestamp = false; // Default
 423                         }
 424                         # Check the number of users watching the page
 425                         $rc->numberofWatchingusers = 0; // Default
 426                         if ( $showWatcherCount && $obj->rc_namespace >= 0 ) {
 427                                 if ( !isset( $watcherCache[$obj->rc_namespace][$obj->rc_title] ) ) {
 428                                         $watcherCache[$obj->rc_namespace][$obj->rc_title] =
 429                                                 MediaWikiServices::getInstance()->getWatchedItemStore()->countWatchers(
 430                                                         new TitleValue( (int)$obj->rc_namespace, $obj->rc_title )
 431                                                 );
 432                                 }
 433                                 $rc->numberofWatchingusers = $watcherCache[$obj->rc_namespace][$obj->rc_title];
 434                         }
 435
 436                         $changeLine = $list->recentChangesLine( $rc, !empty( $obj->wl_user ), $counter );
 437                         if ( $changeLine !== false ) {
 438                                 $rclistOutput .= $changeLine;
 439                                 --$limit;
 440                         }
 441                 }
 442                 $rclistOutput .= $list->endRecentChangesList();
 443
 444                 if ( $rows->numRows() === 0 ) {
 445                         $this->outputNoResults();
 446                         if ( !$this->including() ) {
 447                                 $this->getOutput()->setStatusCode( 404 );
 448                         }
 449                 } else {
 450                         $this->getOutput()->addHTML( $rclistOutput );
 451                 }
 452         }
 453
 454         /**
 455          * Set the text to be displayed above the changes
 456          *
 457          * @param FormOptions $opts
 458          * @param int $numRows Number of rows in the result to show after this header
 459          */
 460         public function doHeader( $opts, $numRows ) {
 461                 $this->setTopText( $opts );
 462
 463                 $defaults = $opts->getAllValues();
 464                 $nondefaults = $opts->getChangedValues();
 465
 466                 $panel = [];
 467                 if ( !$this->isStructuredFilterUiEnabled() ) {
 468                         $panel[] = $this->makeLegend();
 469                 }
 470                 $panel[] = $this->optionsPanel( $defaults, $nondefaults, $numRows );
 471                 $panel[] = '<hr />';
 472
 473                 $extraOpts = $this->getExtraOptions( $opts );
 474                 $extraOptsCount = count( $extraOpts );
 475                 $count = 0;
 476                 $submit = ' ' . Xml::submitButton( $this->msg( 'recentchanges-submit' )->text() );
 477
 478                 $out = Xml::openElement( 'table', [ 'class' => 'mw-recentchanges-table' ] );
 479                 foreach ( $extraOpts as $name => $optionRow ) {
 480                         # Add submit button to the last row only
 481                         ++$count;
 482                         $addSubmit = ( $count === $extraOptsCount ) ? $submit : '';
 483
 484                         $out .= Xml::openElement( 'tr', [ 'class' => $name . 'Form' ] );
 485                         if ( is_array( $optionRow ) ) {
 486                                 $out .= Xml::tags(
 487                                         'td',
 488                                         [ 'class' => 'mw-label mw-' . $name . '-label' ],
 489                                         $optionRow[0]
 490                                 );
 491                                 $out .= Xml::tags(
 492                                         'td',
 493                                         [ 'class' => 'mw-input' ],
 494                                         $optionRow[1] . $addSubmit
 495                                 );
 496                         } else {
 497                                 $out .= Xml::tags(
 498                                         'td',
 499                                         [ 'class' => 'mw-input', 'colspan' => 2 ],
 500                                         $optionRow . $addSubmit
 501                                 );
 502                         }
 503                         $out .= Xml::closeElement( 'tr' );
 504                 }
 505                 $out .= Xml::closeElement( 'table' );
 506
 507                 $unconsumed = $opts->getUnconsumedValues();
 508                 foreach ( $unconsumed as $key => $value ) {
 509                         $out .= Html::hidden( $key, $value );
 510                 }
 511
 512                 $t = $this->getPageTitle();
 513                 $out .= Html::hidden( 'title', $t->getPrefixedText() );
 514                 $form = Xml::tags( 'form', [ 'action' => wfScript() ], $out );
 515                 $panel[] = $form;
 516                 $panelString = implode( "\n", $panel );
 517
 518                 $rcoptions = Xml::fieldset(
 519                         $this->msg( 'recentchanges-legend' )->text(),
 520                         $panelString,
 521                         [ 'class' => 'rcoptions cloptions' ]
 522                 );
 523
 524                 // Insert a placeholder for RCFilters
 525                 if ( $this->isStructuredFilterUiEnabled() ) {
 526                         $rcfilterContainer = Html::element(
 527                                 'div',
 528                                 // TODO: Remove deprecated rcfilters-container class
 529                                 [ 'class' => 'rcfilters-container mw-rcfilters-container' ]
 530                         );
 531
 532                         $loadingContainer = Html::rawElement(
 533                                 'div',
 534                                 [ 'class' => 'mw-rcfilters-spinner' ],
 535                                 Html::element(
 536                                         'div',
 537                                         [ 'class' => 'mw-rcfilters-spinner-bounce' ]
 538                                 )
 539                         );
 540
 541                         // Wrap both with rcfilters-head
 542                         $this->getOutput()->addHTML(
 543                                 Html::rawElement(
 544                                         'div',
 545                                         // TODO: Remove deprecated rcfilters-head class
 546                                         [ 'class' => 'rcfilters-head mw-rcfilters-head' ],
 547                                         $rcfilterContainer . $rcoptions
 548                                 )
 549                         );
 550
 551                         // Add spinner
 552                         $this->getOutput()->addHTML( $loadingContainer );
 553                 } else {
 554                         $this->getOutput()->addHTML( $rcoptions );
 555                 }
 556
 557                 $this->setBottomText( $opts );
 558         }
 559
 560         /**
 561          * Send the text to be displayed above the options
 562          *
 563          * @param FormOptions $opts Unused
 564          */
 565         function setTopText( FormOptions $opts ) {
 566                 $message = $this->msg( 'recentchangestext' )->inContentLanguage();
 567                 if ( !$message->isDisabled() ) {
 568                         $contLang = MediaWikiServices::getInstance()->getContentLanguage();
 569                         // Parse the message in this weird ugly way to preserve the ability to include interlanguage
 570                         // links in it (T172461). In the future when T66969 is resolved, perhaps we can just use
 571                         // $message->parse() instead. This code is copied from Message::parseText().
 572                         $parserOutput = MessageCache::singleton()->parse(
 573                                 $message->plain(),
 574                                 $this->getPageTitle(),
 575                                 /*linestart*/true,
 576                                 // Message class sets the interface flag to false when parsing in a language different than
 577                                 // user language, and this is wiki content language
 578                                 /*interface*/false,
 579                                 $contLang
 580                         );
 581                         $content = $parserOutput->getText( [
 582                                 'enableSectionEditLinks' => false,
 583                         ] );
 584                         // Add only metadata here (including the language links), text is added below
 585                         $this->getOutput()->addParserOutputMetadata( $parserOutput );
 586
 587                         $langAttributes = [
 588                                 'lang' => $contLang->getHtmlCode(),
 589                                 'dir' => $contLang->getDir(),
 590                         ];
 591
 592                         $topLinksAttributes = [ 'class' => 'mw-recentchanges-toplinks' ];
 593
 594                         if ( $this->isStructuredFilterUiEnabled() ) {
 595                                 // Check whether the widget is already collapsed or expanded
 596                                 $collapsedState = $this->getRequest()->getCookie( 'rcfilters-toplinks-collapsed-state' );
 597                                 // Note that an empty/unset cookie means collapsed, so check for !== 'expanded'
 598                                 $topLinksAttributes[ 'class' ] .= $collapsedState !== 'expanded' ?
 599                                         ' mw-recentchanges-toplinks-collapsed' : '';
 600
 601                                 $this->getOutput()->enableOOUI();
 602                                 $contentTitle = new OOUI\ButtonWidget( [
 603                                         'classes' => [ 'mw-recentchanges-toplinks-title' ],
 604                                         'label' => new OOUI\HtmlSnippet( $this->msg( 'rcfilters-other-review-tools' )->parse() ),
 605                                         'framed' => false,
 606                                         'indicator' => $collapsedState !== 'expanded' ? 'down' : 'up',
 607                                         'flags' => [ 'progressive' ],
 608                                 ] );
 609
 610                                 $contentWrapper = Html::rawElement( 'div',
 611                                         array_merge(
 612                                                 [ 'class' => 'mw-recentchanges-toplinks-content mw-collapsible-content' ],
 613                                                 $langAttributes
 614                                         ),
 615                                         $content
 616                                 );
 617                                 $content = $contentTitle . $contentWrapper;
 618                         } else {
 619                                 // Language direction should be on the top div only
 620                                 // if the title is not there. If it is there, it's
 621                                 // interface direction, and the language/dir attributes
 622                                 // should be on the content itself
 623                                 $topLinksAttributes = array_merge( $topLinksAttributes, $langAttributes );
 624                         }
 625
 626                         $this->getOutput()->addHTML(
 627                                 Html::rawElement( 'div', $topLinksAttributes, $content )
 628                         );
 629                 }
 630         }
 631
 632         /**
 633          * Get options to be displayed in a form
 634          *
 635          * @param FormOptions $opts
 636          * @return array
 637          */
 638         function getExtraOptions( $opts ) {
 639                 $opts->consumeValues( [
 640                         'namespace', 'invert', 'associated', 'tagfilter'
 641                 ] );
 642
 643                 $extraOpts = [];
 644                 $extraOpts['namespace'] = $this->namespaceFilterForm( $opts );
 645
 646                 $tagFilter = ChangeTags::buildTagFilterSelector(
 647                         $opts['tagfilter'], false, $this->getContext() );
 648                 if ( count( $tagFilter ) ) {
 649                         $extraOpts['tagfilter'] = $tagFilter;
 650                 }
 651
 652                 // Don't fire the hook for subclasses. (Or should we?)
 653                 if ( $this->getName() === 'Recentchanges' ) {
 654                         Hooks::run( 'SpecialRecentChangesPanel', [ &$extraOpts, $opts ] );
 655                 }
 656
 657                 return $extraOpts;
 658         }
 659
 660         /**
 661          * Add page-specific modules.
 662          */
 663         protected function addModules() {
 664                 parent::addModules();
 665                 $out = $this->getOutput();
 666                 $out->addModules( 'mediawiki.special.recentchanges' );
 667         }
 668
 669         /**
 670          * Get last modified date, for client caching
 671          * Don't use this if we are using the patrol feature, patrol changes don't
 672          * update the timestamp
 673          *
 674          * @return string|bool
 675          */
 676         public function checkLastModified() {
 677                 $dbr = $this->getDB();
 678                 $lastmod = $dbr->selectField( 'recentchanges', 'MAX(rc_timestamp)', '', __METHOD__ );
 679
 680                 return $lastmod;
 681         }
 682
 683         /**
 684          * Creates the choose namespace selection
 685          *
 686          * @param FormOptions $opts
 687          * @return string[]
 688          */
 689         protected function namespaceFilterForm( FormOptions $opts ) {
 690                 $nsSelect = Html::namespaceSelector(
 691                         [ 'selected' => $opts['namespace'], 'all' => '', 'in-user-lang' => true ],
 692                         [ 'name' => 'namespace', 'id' => 'namespace' ]
 693                 );
 694                 $nsLabel = Xml::label( $this->msg( 'namespace' )->text(), 'namespace' );
 695                 $attribs = [ 'class' => [ 'mw-input-with-label' ] ];
 696                 // Hide the checkboxes when the namespace filter is set to 'all'.
 697                 if ( $opts['namespace'] === '' ) {
 698                         $attribs['class'][] = 'mw-input-hidden';
 699                 }
 700                 $invert = Html::rawElement( 'span', $attribs, Xml::checkLabel(
 701                         $this->msg( 'invert' )->text(), 'invert', 'nsinvert',
 702                         $opts['invert'],
 703                         [ 'title' => $this->msg( 'tooltip-invert' )->text() ]
 704                 ) );
 705                 $associated = Html::rawElement( 'span', $attribs, Xml::checkLabel(
 706                         $this->msg( 'namespace_association' )->text(), 'associated', 'nsassociated',
 707                         $opts['associated'],
 708                         [ 'title' => $this->msg( 'tooltip-namespace_association' )->text() ]
 709                 ) );
 710
 711                 return [ $nsLabel, "$nsSelect $invert $associated" ];
 712         }
 713
 714         /**
 715          * Filter $rows by categories set in $opts
 716          *
 717          * @deprecated since 1.31
 718          *
 719          * @param IResultWrapper &$rows Database rows
 720          * @param FormOptions $opts
 721          */
 722         function filterByCategories( &$rows, FormOptions $opts ) {
 723                 wfDeprecated( __METHOD__, '1.31' );
 724
 725                 $categories = array_map( 'trim', explode( '|', $opts['categories'] ) );
 726
 727                 if ( $categories === [] ) {
 728                         return;
 729                 }
 730
 731                 # Filter categories
 732                 $cats = [];
 733                 foreach ( $categories as $cat ) {
 734                         $cat = trim( $cat );
 735                         if ( $cat == '' ) {
 736                                 continue;
 737                         }
 738                         $cats[] = $cat;
 739                 }
 740
 741                 # Filter articles
 742                 $articles = [];
 743                 $a2r = [];
 744                 $rowsarr = [];
 745                 foreach ( $rows as $k => $r ) {
 746                         $nt = Title::makeTitle( $r->rc_namespace, $r->rc_title );
 747                         $id = $nt->getArticleID();
 748                         if ( $id == 0 ) {
 749                                 continue; # Page might have been deleted...
 750                         }
 751                         if ( !in_array( $id, $articles ) ) {
 752                                 $articles[] = $id;
 753                         }
 754                         if ( !isset( $a2r[$id] ) ) {
 755                                 $a2r[$id] = [];
 756                         }
 757                         $a2r[$id][] = $k;
 758                         $rowsarr[$k] = $r;
 759                 }
 760
 761                 # Shortcut?
 762                 if ( $articles === [] || $cats === [] ) {
 763                         return;
 764                 }
 765
 766                 # Look up
 767                 $catFind = new CategoryFinder;
 768                 $catFind->seed( $articles, $cats, $opts['categories_any'] ? 'OR' : 'AND' );
 769                 $match = $catFind->run();
 770
 771                 # Filter
 772                 $newrows = [];
 773                 foreach ( $match as $id ) {
 774                         foreach ( $a2r[$id] as $rev ) {
 775                                 $k = $rev;
 776                                 $newrows[$k] = $rowsarr[$k];
 777                         }
 778                 }
 779                 $rows = new FakeResultWrapper( array_values( $newrows ) );
 780         }
 781
 782         /**
 783          * Makes change an option link which carries all the other options
 784          *
 785          * @param string $title
 786          * @param array $override Options to override
 787          * @param array $options Current options
 788          * @param bool $active Whether to show the link in bold
 789          * @return string
 790          */
 791         function makeOptionsLink( $title, $override, $options, $active = false ) {
 792                 $params = $this->convertParamsForLink( $override + $options );
 793
 794                 if ( $active ) {
 795                         $title = new HtmlArmor( '<strong>' . htmlspecialchars( $title ) . '</strong>' );
 796                 }
 797
 798                 return $this->getLinkRenderer()->makeKnownLink( $this->getPageTitle(), $title, [
 799                         'data-params' => json_encode( $override ),
 800                         'data-keys' => implode( ',', array_keys( $override ) ),
 801                 ], $params );
 802         }
 803
 804         /**
 805          * Creates the options panel.
 806          *
 807          * @param array $defaults
 808          * @param array $nondefaults
 809          * @param int $numRows Number of rows in the result to show after this header
 810          * @return string
 811          */
 812         function optionsPanel( $defaults, $nondefaults, $numRows ) {
 813                 $options = $nondefaults + $defaults;
 814
 815                 $note = '';
 816                 $msg = $this->msg( 'rclegend' );
 817                 if ( !$msg->isDisabled() ) {
 818                         $note .= Html::rawElement(
 819                                 'div',
 820                                 [ 'class' => 'mw-rclegend' ],
 821                                 $msg->parse()
 822                         );
 823                 }
 824
 825                 $lang = $this->getLanguage();
 826                 $user = $this->getUser();
 827                 $config = $this->getConfig();
 828                 if ( $options['from'] ) {
 829                         $resetLink = $this->makeOptionsLink( $this->msg( 'rclistfromreset' ),
 830                                 [ 'from' => '' ], $nondefaults );
 831
 832                         $noteFromMsg = $this->msg( 'rcnotefrom' )
 833                                 ->numParams( $options['limit'] )
 834                                 ->params(
 835                                         $lang->userTimeAndDate( $options['from'], $user ),
 836                                         $lang->userDate( $options['from'], $user ),
 837                                         $lang->userTime( $options['from'], $user )
 838                                 )
 839                                 ->numParams( $numRows );
 840                         $note .= Html::rawElement(
 841                                         'span',
 842                                         [ 'class' => 'rcnotefrom' ],
 843                                         $noteFromMsg->parse()
 844                                 ) .
 845                                 ' ' .
 846                                 Html::rawElement(
 847                                         'span',
 848                                         [ 'class' => 'rcoptions-listfromreset' ],
 849                                         $this->msg( 'parentheses' )->rawParams( $resetLink )->parse()
 850                                 ) .
 851                                 '<br />';
 852                 }
 853
 854                 # Sort data for display and make sure it's unique after we've added user data.
 855                 $linkLimits = $config->get( 'RCLinkLimits' );
 856                 $linkLimits[] = $options['limit'];
 857                 sort( $linkLimits );
 858                 $linkLimits = array_unique( $linkLimits );
 859
 860                 $linkDays = $this->getLinkDays();
 861                 $linkDays[] = $options['days'];
 862                 sort( $linkDays );
 863                 $linkDays = array_unique( $linkDays );
 864
 865                 // limit links
 866                 $cl = [];
 867                 foreach ( $linkLimits as $value ) {
 868                         $cl[] = $this->makeOptionsLink( $lang->formatNum( $value ),
 869                                 [ 'limit' => $value ], $nondefaults, $value == $options['limit'] );
 870                 }
 871                 $cl = $lang->pipeList( $cl );
 872
 873                 // day links, reset 'from' to none
 874                 $dl = [];
 875                 foreach ( $linkDays as $value ) {
 876                         $dl[] = $this->makeOptionsLink( $lang->formatNum( $value ),
 877                                 [ 'days' => $value, 'from' => '' ], $nondefaults, $value == $options['days'] );
 878                 }
 879                 $dl = $lang->pipeList( $dl );
 880
 881                 $showhide = [ 'show', 'hide' ];
 882
 883                 $links = [];
 884
 885                 foreach ( $this->getLegacyShowHideFilters() as $key => $filter ) {
 886                         $msg = $filter->getShowHide();
 887                         $linkMessage = $this->msg( $msg . '-' . $showhide[1 - $options[$key]] );
 888                         // Extensions can define additional filters, but don't need to define the corresponding
 889                         // messages. If they don't exist, just fall back to 'show' and 'hide'.
 890                         if ( !$linkMessage->exists() ) {
 891                                 $linkMessage = $this->msg( $showhide[1 - $options[$key]] );
 892                         }
 893
 894                         $link = $this->makeOptionsLink( $linkMessage->text(),
 895                                 [ $key => 1 - $options[$key] ], $nondefaults );
 896
 897                         $attribs = [
 898                                 'class' => "$msg rcshowhideoption clshowhideoption",
 899                                 'data-filter-name' => $filter->getName(),
 900                         ];
 901
 902                         if ( $filter->isFeatureAvailableOnStructuredUi( $this ) ) {
 903                                 $attribs['data-feature-in-structured-ui'] = true;
 904                         }
 905
 906                         $links[] = Html::rawElement(
 907                                 'span',
 908                                 $attribs,
 909                                 $this->msg( $msg )->rawParams( $link )->parse()
 910                         );
 911                 }
 912
 913                 // show from this onward link
 914                 $timestamp = wfTimestampNow();
 915                 $now = $lang->userTimeAndDate( $timestamp, $user );
 916                 $timenow = $lang->userTime( $timestamp, $user );
 917                 $datenow = $lang->userDate( $timestamp, $user );
 918                 $pipedLinks = '<span class="rcshowhide">' . $lang->pipeList( $links ) . '</span>';
 919
 920                 $rclinks = Html::rawElement(
 921                         'span',
 922                         [ 'class' => 'rclinks' ],
 923                         $this->msg( 'rclinks' )->rawParams( $cl, $dl, '' )->parse()
 924                 );
 925
 926                 $rclistfrom = Html::rawElement(
 927                         'span',
 928                         [ 'class' => 'rclistfrom' ],
 929                         $this->makeOptionsLink(
 930                                 $this->msg( 'rclistfrom' )->plaintextParams( $now, $timenow, $datenow )->parse(),
 931                                 [ 'from' => $timestamp, 'fromFormatted' => $now ],
 932                                 $nondefaults
 933                         )
 934                 );
 935
 936                 return "{$note}$rclinks<br />$pipedLinks<br />$rclistfrom";
 937         }
 938
 939         public function isIncludable() {
 940                 return true;
 941         }
 942
 943         protected function getCacheTTL() {
 944                 return 60 * 5;
 945         }
 946
 947         public function getDefaultLimit() {
 948                 $systemPrefValue = $this->getUser()->getIntOption( 'rclimit' );
 949                 // Prefer the RCFilters-specific preference if RCFilters is enabled
 950                 if ( $this->isStructuredFilterUiEnabled() ) {
 951                         return $this->getUser()->getIntOption( static::$limitPreferenceName, $systemPrefValue );
 952                 }
 953
 954                 // Otherwise, use the system rclimit preference value
 955                 return $systemPrefValue;
 956         }
 957 }