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\ResultWrapper;
  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         // @codingStandardsIgnoreStart Needed "useless" override to change parameters.
  35         public function __construct( $name = 'Recentchanges', $restriction = '' ) {
  36                 parent::__construct( $name, $restriction );
  37         }
  38         // @codingStandardsIgnoreEnd
  39
  40         /**
  41          * Main execution point
  42          *
  43          * @param string $subpage
  44          */
  45         public function execute( $subpage ) {
  46                 // Backwards-compatibility: redirect to new feed URLs
  47                 $feedFormat = $this->getRequest()->getVal( 'feed' );
  48                 if ( !$this->including() && $feedFormat ) {
  49                         $query = $this->getFeedQuery();
  50                         $query['feedformat'] = $feedFormat === 'atom' ? 'atom' : 'rss';
  51                         $this->getOutput()->redirect( wfAppendQuery( wfScript( 'api' ), $query ) );
  52
  53                         return;
  54                 }
  55
  56                 // 10 seconds server-side caching max
  57                 $out = $this->getOutput();
  58                 $out->setCdnMaxage( 10 );
  59                 // Check if the client has a cached version
  60                 $lastmod = $this->checkLastModified();
  61                 if ( $lastmod === false ) {
  62                         return;
  63                 }
  64
  65                 $this->addHelpLink(
  66                         '//meta.wikimedia.org/wiki/Special:MyLanguage/Help:Recent_changes',
  67                         true
  68                 );
  69                 parent::execute( $subpage );
  70
  71                 if ( $this->isStructuredFilterUiEnabled() ) {
  72                         $jsData = $this->getStructuredFilterJsData();
  73
  74                         $messages = [];
  75                         foreach ( $jsData['messageKeys'] as $key ){
  76                                 $messages[$key] = $this->msg( $key )->plain();
  77                         }
  78
  79                         $out->addHTML(
  80                                 ResourceLoader::makeInlineScript(
  81                                         ResourceLoader::makeMessageSetScript( $messages )
  82                                 )
  83                         );
  84
  85                         $out->addJsConfigVars( 'wgStructuredChangeFilters', $jsData['groups'] );
  86                 }
  87         }
  88
  89         /**
  90          * @inheritdoc
  91          */
  92         protected function transformFilterDefinition( array $filterDefinition ) {
  93                 if ( isset( $filterDefinition['showHideSuffix'] ) ) {
  94                         $filterDefinition['showHide'] = 'rc' . $filterDefinition['showHideSuffix'];
  95                 }
  96
  97                 return $filterDefinition;
  98         }
  99
 100         /**
 101          * @inheritdoc
 102          */
 103         protected function registerFilters() {
 104                 parent::registerFilters();
 105
 106                 $user = $this->getUser();
 107
 108                 $significance = $this->getFilterGroup( 'significance' );
 109                 $hideMinor = $significance->getFilter( 'hideminor' );
 110                 $hideMinor->setDefault( $user->getBoolOption( 'hideminor' ) );
 111
 112                 $automated = $this->getFilterGroup( 'automated' );
 113                 $hideBots = $automated->getFilter( 'hidebots' );
 114                 $hideBots->setDefault( true );
 115
 116                 $reviewStatus = $this->getFilterGroup( 'reviewStatus' );
 117                 if ( $reviewStatus !== null ) {
 118                         // Conditional on feature being available and rights
 119                         $hidePatrolled = $reviewStatus->getFilter( 'hidepatrolled' );
 120                         $hidePatrolled->setDefault( $user->getBoolOption( 'hidepatrolled' ) );
 121                 }
 122
 123                 $changeType = $this->getFilterGroup( 'changeType' );
 124                 $hideCategorization = $changeType->getFilter( 'hidecategorization' );
 125                 if ( $hideCategorization !== null ) {
 126                         // Conditional on feature being available
 127                         $hideCategorization->setDefault( $user->getBoolOption( 'hidecategorization' ) );
 128                 }
 129         }
 130
 131         /**
 132          * Get a FormOptions object containing the default options
 133          *
 134          * @return FormOptions
 135          */
 136         public function getDefaultOptions() {
 137                 $opts = parent::getDefaultOptions();
 138                 $user = $this->getUser();
 139
 140                 $opts->add( 'days', $user->getIntOption( 'rcdays' ) );
 141                 $opts->add( 'limit', $user->getIntOption( 'rclimit' ) );
 142                 $opts->add( 'from', '' );
 143
 144                 $opts->add( 'categories', '' );
 145                 $opts->add( 'categories_any', false );
 146                 $opts->add( 'tagfilter', '' );
 147
 148                 return $opts;
 149         }
 150
 151         /**
 152          * Get all custom filters
 153          *
 154          * @return array Map of filter URL param names to properties (msg/default)
 155          */
 156         protected function getCustomFilters() {
 157                 if ( $this->customFilters === null ) {
 158                         $this->customFilters = parent::getCustomFilters();
 159                         Hooks::run( 'SpecialRecentChangesFilters', [ $this, &$this->customFilters ], '1.23' );
 160                 }
 161
 162                 return $this->customFilters;
 163         }
 164
 165         /**
 166          * Process $par and put options found in $opts. Used when including the page.
 167          *
 168          * @param string $par
 169          * @param FormOptions $opts
 170          */
 171         public function parseParameters( $par, FormOptions $opts ) {
 172                 parent::parseParameters( $par, $opts );
 173
 174                 $bits = preg_split( '/\s*,\s*/', trim( $par ) );
 175                 foreach ( $bits as $bit ) {
 176                         if ( is_numeric( $bit ) ) {
 177                                 $opts['limit'] = $bit;
 178                         }
 179
 180                         $m = [];
 181                         if ( preg_match( '/^limit=(\d+)$/', $bit, $m ) ) {
 182                                 $opts['limit'] = $m[1];
 183                         }
 184                         if ( preg_match( '/^days=(\d+)$/', $bit, $m ) ) {
 185                                 $opts['days'] = $m[1];
 186                         }
 187                         if ( preg_match( '/^namespace=(\d+)$/', $bit, $m ) ) {
 188                                 $opts['namespace'] = $m[1];
 189                         }
 190                         if ( preg_match( '/^tagfilter=(.*)$/', $bit, $m ) ) {
 191                                 $opts['tagfilter'] = $m[1];
 192                         }
 193                 }
 194         }
 195
 196         public function validateOptions( FormOptions $opts ) {
 197                 $opts->validateIntBounds( 'limit', 0, 5000 );
 198                 parent::validateOptions( $opts );
 199         }
 200
 201         /**
 202          * @inheritdoc
 203          */
 204         protected function buildQuery( &$tables, &$fields, &$conds,
 205                 &$query_options, &$join_conds, FormOptions $opts ) {
 206
 207                 $dbr = $this->getDB();
 208                 parent::buildQuery( $tables, $fields, $conds,
 209                         $query_options, $join_conds, $opts );
 210
 211                 // Calculate cutoff
 212                 $cutoff_unixtime = time() - ( $opts['days'] * 86400 );
 213                 $cutoff_unixtime = $cutoff_unixtime - ( $cutoff_unixtime % 86400 );
 214                 $cutoff = $dbr->timestamp( $cutoff_unixtime );
 215
 216                 $fromValid = preg_match( '/^[0-9]{14}$/', $opts['from'] );
 217                 if ( $fromValid && $opts['from'] > wfTimestamp( TS_MW, $cutoff ) ) {
 218                         $cutoff = $dbr->timestamp( $opts['from'] );
 219                 } else {
 220                         $opts->reset( 'from' );
 221                 }
 222
 223                 $conds[] = 'rc_timestamp >= ' . $dbr->addQuotes( $cutoff );
 224         }
 225
 226         /**
 227          * @inheritdoc
 228          */
 229         protected function doMainQuery( $tables, $fields, $conds, $query_options,
 230                 $join_conds, FormOptions $opts ) {
 231
 232                 $dbr = $this->getDB();
 233                 $user = $this->getUser();
 234
 235                 $tables[] = 'recentchanges';
 236                 $fields = array_merge( RecentChange::selectFields(), $fields );
 237
 238                 // JOIN on watchlist for users
 239                 if ( $user->getId() && $user->isAllowed( 'viewmywatchlist' ) ) {
 240                         $tables[] = 'watchlist';
 241                         $fields[] = 'wl_user';
 242                         $fields[] = 'wl_notificationtimestamp';
 243                         $join_conds['watchlist'] = [ 'LEFT JOIN', [
 244                                 'wl_user' => $user->getId(),
 245                                 'wl_title=rc_title',
 246                                 'wl_namespace=rc_namespace'
 247                         ] ];
 248                 }
 249
 250                 // JOIN on page, used for 'last revision' filter highlight
 251                 $tables[] = 'page';
 252                 $fields[] = 'page_latest';
 253                 $join_conds['page'] = [ 'LEFT JOIN', 'rc_cur_id=page_id' ];
 254
 255                 ChangeTags::modifyDisplayQuery(
 256                         $tables,
 257                         $fields,
 258                         $conds,
 259                         $join_conds,
 260                         $query_options,
 261                         $opts['tagfilter']
 262                 );
 263
 264                 if ( !$this->runMainQueryHook( $tables, $fields, $conds, $query_options, $join_conds,
 265                         $opts )
 266                 ) {
 267                         return false;
 268                 }
 269
 270                 if ( $this->areFiltersInConflict() ) {
 271                         return false;
 272                 }
 273
 274                 // array_merge() is used intentionally here so that hooks can, should
 275                 // they so desire, override the ORDER BY / LIMIT condition(s); prior to
 276                 // MediaWiki 1.26 this used to use the plus operator instead, which meant
 277                 // that extensions weren't able to change these conditions
 278                 $query_options = array_merge( [
 279                         'ORDER BY' => 'rc_timestamp DESC',
 280                         'LIMIT' => $opts['limit'] ], $query_options );
 281                 $rows = $dbr->select(
 282                         $tables,
 283                         $fields,
 284                         // rc_new is not an ENUM, but adding a redundant rc_new IN (0,1) gives mysql enough
 285                         // knowledge to use an index merge if it wants (it may use some other index though).
 286                         $conds + [ 'rc_new' => [ 0, 1 ] ],
 287                         __METHOD__,
 288                         $query_options,
 289                         $join_conds
 290                 );
 291
 292                 // Build the final data
 293                 if ( $this->getConfig()->get( 'AllowCategorizedRecentChanges' ) ) {
 294                         $this->filterByCategories( $rows, $opts );
 295                 }
 296
 297                 return $rows;
 298         }
 299
 300         protected function runMainQueryHook( &$tables, &$fields, &$conds,
 301                 &$query_options, &$join_conds, $opts
 302         ) {
 303                 return parent::runMainQueryHook( $tables, $fields, $conds, $query_options, $join_conds, $opts )
 304                         && Hooks::run(
 305                                 'SpecialRecentChangesQuery',
 306                                 [ &$conds, &$tables, &$join_conds, $opts, &$query_options, &$fields ],
 307                                 '1.23'
 308                         );
 309         }
 310
 311         protected function getDB() {
 312                 return wfGetDB( DB_REPLICA, 'recentchanges' );
 313         }
 314
 315         public function outputFeedLinks() {
 316                 $this->addFeedLinks( $this->getFeedQuery() );
 317         }
 318
 319         /**
 320          * Get URL query parameters for action=feedrecentchanges API feed of current recent changes view.
 321          *
 322          * @return array
 323          */
 324         protected function getFeedQuery() {
 325                 $query = array_filter( $this->getOptions()->getAllValues(), function ( $value ) {
 326                         // API handles empty parameters in a different way
 327                         return $value !== '';
 328                 } );
 329                 $query['action'] = 'feedrecentchanges';
 330                 $feedLimit = $this->getConfig()->get( 'FeedLimit' );
 331                 if ( $query['limit'] > $feedLimit ) {
 332                         $query['limit'] = $feedLimit;
 333                 }
 334
 335                 return $query;
 336         }
 337
 338         /**
 339          * Build and output the actual changes list.
 340          *
 341          * @param ResultWrapper $rows Database rows
 342          * @param FormOptions $opts
 343          */
 344         public function outputChangesList( $rows, $opts ) {
 345                 $limit = $opts['limit'];
 346
 347                 $showWatcherCount = $this->getConfig()->get( 'RCShowWatchingUsers' )
 348                         && $this->getUser()->getOption( 'shownumberswatching' );
 349                 $watcherCache = [];
 350
 351                 $dbr = $this->getDB();
 352
 353                 $counter = 1;
 354                 $list = ChangesList::newFromContext( $this->getContext(), $this->filterGroups );
 355                 $list->initChangesListRows( $rows );
 356
 357                 $userShowHiddenCats = $this->getUser()->getBoolOption( 'showhiddencats' );
 358                 $rclistOutput = $list->beginRecentChangesList();
 359                 foreach ( $rows as $obj ) {
 360                         if ( $limit == 0 ) {
 361                                 break;
 362                         }
 363                         $rc = RecentChange::newFromRow( $obj );
 364
 365                         # Skip CatWatch entries for hidden cats based on user preference
 366                         if (
 367                                 $rc->getAttribute( 'rc_type' ) == RC_CATEGORIZE &&
 368                                 !$userShowHiddenCats &&
 369                                 $rc->getParam( 'hidden-cat' )
 370                         ) {
 371                                 continue;
 372                         }
 373
 374                         $rc->counter = $counter++;
 375                         # Check if the page has been updated since the last visit
 376                         if ( $this->getConfig()->get( 'ShowUpdatedMarker' )
 377                                 && !empty( $obj->wl_notificationtimestamp )
 378                         ) {
 379                                 $rc->notificationtimestamp = ( $obj->rc_timestamp >= $obj->wl_notificationtimestamp );
 380                         } else {
 381                                 $rc->notificationtimestamp = false; // Default
 382                         }
 383                         # Check the number of users watching the page
 384                         $rc->numberofWatchingusers = 0; // Default
 385                         if ( $showWatcherCount && $obj->rc_namespace >= 0 ) {
 386                                 if ( !isset( $watcherCache[$obj->rc_namespace][$obj->rc_title] ) ) {
 387                                         $watcherCache[$obj->rc_namespace][$obj->rc_title] =
 388                                                 MediaWikiServices::getInstance()->getWatchedItemStore()->countWatchers(
 389                                                         new TitleValue( (int)$obj->rc_namespace, $obj->rc_title )
 390                                                 );
 391                                 }
 392                                 $rc->numberofWatchingusers = $watcherCache[$obj->rc_namespace][$obj->rc_title];
 393                         }
 394
 395                         $changeLine = $list->recentChangesLine( $rc, !empty( $obj->wl_user ), $counter );
 396                         if ( $changeLine !== false ) {
 397                                 $rclistOutput .= $changeLine;
 398                                 --$limit;
 399                         }
 400                 }
 401                 $rclistOutput .= $list->endRecentChangesList();
 402
 403                 if ( $rows->numRows() === 0 ) {
 404                         $this->outputNoResults();
 405                         if ( !$this->including() ) {
 406                                 $this->getOutput()->setStatusCode( 404 );
 407                         }
 408                 } else {
 409                         $this->getOutput()->addHTML( $rclistOutput );
 410                 }
 411         }
 412
 413         /**
 414          * Set the text to be displayed above the changes
 415          *
 416          * @param FormOptions $opts
 417          * @param int $numRows Number of rows in the result to show after this header
 418          */
 419         public function doHeader( $opts, $numRows ) {
 420                 $this->setTopText( $opts );
 421
 422                 $defaults = $opts->getAllValues();
 423                 $nondefaults = $opts->getChangedValues();
 424
 425                 $panel = [];
 426                 $panel[] = $this->makeLegend();
 427                 $panel[] = $this->optionsPanel( $defaults, $nondefaults, $numRows );
 428                 $panel[] = '<hr />';
 429
 430                 $extraOpts = $this->getExtraOptions( $opts );
 431                 $extraOptsCount = count( $extraOpts );
 432                 $count = 0;
 433                 $submit = ' ' . Xml::submitButton( $this->msg( 'recentchanges-submit' )->text() );
 434
 435                 $out = Xml::openElement( 'table', [ 'class' => 'mw-recentchanges-table' ] );
 436                 foreach ( $extraOpts as $name => $optionRow ) {
 437                         # Add submit button to the last row only
 438                         ++$count;
 439                         $addSubmit = ( $count === $extraOptsCount ) ? $submit : '';
 440
 441                         $out .= Xml::openElement( 'tr' );
 442                         if ( is_array( $optionRow ) ) {
 443                                 $out .= Xml::tags(
 444                                         'td',
 445                                         [ 'class' => 'mw-label mw-' . $name . '-label' ],
 446                                         $optionRow[0]
 447                                 );
 448                                 $out .= Xml::tags(
 449                                         'td',
 450                                         [ 'class' => 'mw-input' ],
 451                                         $optionRow[1] . $addSubmit
 452                                 );
 453                         } else {
 454                                 $out .= Xml::tags(
 455                                         'td',
 456                                         [ 'class' => 'mw-input', 'colspan' => 2 ],
 457                                         $optionRow . $addSubmit
 458                                 );
 459                         }
 460                         $out .= Xml::closeElement( 'tr' );
 461                 }
 462                 $out .= Xml::closeElement( 'table' );
 463
 464                 $unconsumed = $opts->getUnconsumedValues();
 465                 foreach ( $unconsumed as $key => $value ) {
 466                         $out .= Html::hidden( $key, $value );
 467                 }
 468
 469                 $t = $this->getPageTitle();
 470                 $out .= Html::hidden( 'title', $t->getPrefixedText() );
 471                 $form = Xml::tags( 'form', [ 'action' => wfScript() ], $out );
 472                 $panel[] = $form;
 473                 $panelString = implode( "\n", $panel );
 474
 475                 $rcoptions = Xml::fieldset(
 476                         $this->msg( 'recentchanges-legend' )->text(),
 477                         $panelString,
 478                         [ 'class' => 'rcoptions' ]
 479                 );
 480
 481                 // Insert a placeholder for RCFilters
 482                 if ( $this->getUser()->getOption( 'rcenhancedfilters' ) ) {
 483                         $rcfilterContainer = Html::element(
 484                                 'div',
 485                                 [ 'class' => 'rcfilters-container' ]
 486                         );
 487
 488                         // Wrap both with rcfilters-head
 489                         $this->getOutput()->addHTML(
 490                                 Html::rawElement(
 491                                         'div',
 492                                         [ 'class' => 'rcfilters-head' ],
 493                                         $rcfilterContainer . $rcoptions
 494                                 )
 495                         );
 496                 } else {
 497                         $this->getOutput()->addHTML( $rcoptions );
 498                 }
 499
 500                 $this->setBottomText( $opts );
 501         }
 502
 503         /**
 504          * Send the text to be displayed above the options
 505          *
 506          * @param FormOptions $opts Unused
 507          */
 508         function setTopText( FormOptions $opts ) {
 509                 global $wgContLang;
 510
 511                 $message = $this->msg( 'recentchangestext' )->inContentLanguage();
 512                 if ( !$message->isDisabled() ) {
 513                         $this->getOutput()->addWikiText(
 514                                 Html::rawElement( 'div',
 515                                         [ 'lang' => $wgContLang->getHtmlCode(), 'dir' => $wgContLang->getDir() ],
 516                                         "\n" . $message->plain() . "\n"
 517                                 ),
 518                                 /* $lineStart */ true,
 519                                 /* $interface */ false
 520                         );
 521                 }
 522         }
 523
 524         /**
 525          * Get options to be displayed in a form
 526          *
 527          * @param FormOptions $opts
 528          * @return array
 529          */
 530         function getExtraOptions( $opts ) {
 531                 $opts->consumeValues( [
 532                         'namespace', 'invert', 'associated', 'tagfilter', 'categories', 'categories_any'
 533                 ] );
 534
 535                 $extraOpts = [];
 536                 $extraOpts['namespace'] = $this->namespaceFilterForm( $opts );
 537
 538                 if ( $this->getConfig()->get( 'AllowCategorizedRecentChanges' ) ) {
 539                         $extraOpts['category'] = $this->categoryFilterForm( $opts );
 540                 }
 541
 542                 $tagFilter = ChangeTags::buildTagFilterSelector(
 543                         $opts['tagfilter'], false, $this->getContext() );
 544                 if ( count( $tagFilter ) ) {
 545                         $extraOpts['tagfilter'] = $tagFilter;
 546                 }
 547
 548                 // Don't fire the hook for subclasses. (Or should we?)
 549                 if ( $this->getName() === 'Recentchanges' ) {
 550                         Hooks::run( 'SpecialRecentChangesPanel', [ &$extraOpts, $opts ] );
 551                 }
 552
 553                 return $extraOpts;
 554         }
 555
 556         /**
 557          * Check whether the structured filter UI is enabled
 558          *
 559          * @return bool
 560          */
 561         protected function isStructuredFilterUiEnabled() {
 562                 return $this->getUser()->getOption(
 563                         'rcenhancedfilters'
 564                 );
 565         }
 566
 567         /**
 568          * Add page-specific modules.
 569          */
 570         protected function addModules() {
 571                 parent::addModules();
 572                 $out = $this->getOutput();
 573                 $out->addModules( 'mediawiki.special.recentchanges' );
 574                 if ( $this->isStructuredFilterUiEnabled() ) {
 575                         $out->addModules( 'mediawiki.rcfilters.filters.ui' );
 576                         $out->addModuleStyles( 'mediawiki.rcfilters.filters.base.styles' );
 577                 }
 578         }
 579
 580         /**
 581          * Get last modified date, for client caching
 582          * Don't use this if we are using the patrol feature, patrol changes don't
 583          * update the timestamp
 584          *
 585          * @return string|bool
 586          */
 587         public function checkLastModified() {
 588                 $dbr = $this->getDB();
 589                 $lastmod = $dbr->selectField( 'recentchanges', 'MAX(rc_timestamp)', false, __METHOD__ );
 590
 591                 return $lastmod;
 592         }
 593
 594         /**
 595          * Creates the choose namespace selection
 596          *
 597          * @param FormOptions $opts
 598          * @return string
 599          */
 600         protected function namespaceFilterForm( FormOptions $opts ) {
 601                 $nsSelect = Html::namespaceSelector(
 602                         [ 'selected' => $opts['namespace'], 'all' => '' ],
 603                         [ 'name' => 'namespace', 'id' => 'namespace' ]
 604                 );
 605                 $nsLabel = Xml::label( $this->msg( 'namespace' )->text(), 'namespace' );
 606                 $invert = Xml::checkLabel(
 607                         $this->msg( 'invert' )->text(), 'invert', 'nsinvert',
 608                         $opts['invert'],
 609                         [ 'title' => $this->msg( 'tooltip-invert' )->text() ]
 610                 );
 611                 $associated = Xml::checkLabel(
 612                         $this->msg( 'namespace_association' )->text(), 'associated', 'nsassociated',
 613                         $opts['associated'],
 614                         [ 'title' => $this->msg( 'tooltip-namespace_association' )->text() ]
 615                 );
 616
 617                 return [ $nsLabel, "$nsSelect $invert $associated" ];
 618         }
 619
 620         /**
 621          * Create an input to filter changes by categories
 622          *
 623          * @param FormOptions $opts
 624          * @return array
 625          */
 626         protected function categoryFilterForm( FormOptions $opts ) {
 627                 list( $label, $input ) = Xml::inputLabelSep( $this->msg( 'rc_categories' )->text(),
 628                         'categories', 'mw-categories', false, $opts['categories'] );
 629
 630                 $input .= ' ' . Xml::checkLabel( $this->msg( 'rc_categories_any' )->text(),
 631                         'categories_any', 'mw-categories_any', $opts['categories_any'] );
 632
 633                 return [ $label, $input ];
 634         }
 635
 636         /**
 637          * Filter $rows by categories set in $opts
 638          *
 639          * @param ResultWrapper $rows Database rows
 640          * @param FormOptions $opts
 641          */
 642         function filterByCategories( &$rows, FormOptions $opts ) {
 643                 $categories = array_map( 'trim', explode( '|', $opts['categories'] ) );
 644
 645                 if ( !count( $categories ) ) {
 646                         return;
 647                 }
 648
 649                 # Filter categories
 650                 $cats = [];
 651                 foreach ( $categories as $cat ) {
 652                         $cat = trim( $cat );
 653                         if ( $cat == '' ) {
 654                                 continue;
 655                         }
 656                         $cats[] = $cat;
 657                 }
 658
 659                 # Filter articles
 660                 $articles = [];
 661                 $a2r = [];
 662                 $rowsarr = [];
 663                 foreach ( $rows as $k => $r ) {
 664                         $nt = Title::makeTitle( $r->rc_namespace, $r->rc_title );
 665                         $id = $nt->getArticleID();
 666                         if ( $id == 0 ) {
 667                                 continue; # Page might have been deleted...
 668                         }
 669                         if ( !in_array( $id, $articles ) ) {
 670                                 $articles[] = $id;
 671                         }
 672                         if ( !isset( $a2r[$id] ) ) {
 673                                 $a2r[$id] = [];
 674                         }
 675                         $a2r[$id][] = $k;
 676                         $rowsarr[$k] = $r;
 677                 }
 678
 679                 # Shortcut?
 680                 if ( !count( $articles ) || !count( $cats ) ) {
 681                         return;
 682                 }
 683
 684                 # Look up
 685                 $catFind = new CategoryFinder;
 686                 $catFind->seed( $articles, $cats, $opts['categories_any'] ? 'OR' : 'AND' );
 687                 $match = $catFind->run();
 688
 689                 # Filter
 690                 $newrows = [];
 691                 foreach ( $match as $id ) {
 692                         foreach ( $a2r[$id] as $rev ) {
 693                                 $k = $rev;
 694                                 $newrows[$k] = $rowsarr[$k];
 695                         }
 696                 }
 697                 $rows = new FakeResultWrapper( array_values( $newrows ) );
 698         }
 699
 700         /**
 701          * Makes change an option link which carries all the other options
 702          *
 703          * @param string $title Title
 704          * @param array $override Options to override
 705          * @param array $options Current options
 706          * @param bool $active Whether to show the link in bold
 707          * @return string
 708          */
 709         function makeOptionsLink( $title, $override, $options, $active = false ) {
 710                 $params = $override + $options;
 711
 712                 // T38524: false values have be converted to "0" otherwise
 713                 // wfArrayToCgi() will omit it them.
 714                 foreach ( $params as &$value ) {
 715                         if ( $value === false ) {
 716                                 $value = '0';
 717                         }
 718                 }
 719                 unset( $value );
 720
 721                 if ( $active ) {
 722                         $title = new HtmlArmor( '<strong>' . htmlspecialchars( $title ) . '</strong>' );
 723                 }
 724
 725                 return $this->getLinkRenderer()->makeKnownLink( $this->getPageTitle(), $title, [
 726                         'data-params' => json_encode( $override ),
 727                         'data-keys' => implode( ',', array_keys( $override ) ),
 728                 ], $params );
 729         }
 730
 731         /**
 732          * Creates the options panel.
 733          *
 734          * @param array $defaults
 735          * @param array $nondefaults
 736          * @param int $numRows Number of rows in the result to show after this header
 737          * @return string
 738          */
 739         function optionsPanel( $defaults, $nondefaults, $numRows ) {
 740                 $options = $nondefaults + $defaults;
 741
 742                 $note = '';
 743                 $msg = $this->msg( 'rclegend' );
 744                 if ( !$msg->isDisabled() ) {
 745                         $note .= '<div class="mw-rclegend">' . $msg->parse() . "</div>\n";
 746                 }
 747
 748                 $lang = $this->getLanguage();
 749                 $user = $this->getUser();
 750                 $config = $this->getConfig();
 751                 if ( $options['from'] ) {
 752                         $resetLink = $this->makeOptionsLink( $this->msg( 'rclistfromreset' ),
 753                                 [ 'from' => '' ], $nondefaults );
 754
 755                         $note .= $this->msg( 'rcnotefrom' )
 756                                 ->numParams( $options['limit'] )
 757                                 ->params(
 758                                         $lang->userTimeAndDate( $options['from'], $user ),
 759                                         $lang->userDate( $options['from'], $user ),
 760                                         $lang->userTime( $options['from'], $user )
 761                                 )
 762                                 ->numParams( $numRows )
 763                                 ->parse() . ' ' .
 764                                 Html::rawElement(
 765                                         'span',
 766                                         [ 'class' => 'rcoptions-listfromreset' ],
 767                                         $this->msg( 'parentheses' )->rawParams( $resetLink )->parse()
 768                                 ) .
 769                                 '<br />';
 770                 }
 771
 772                 # Sort data for display and make sure it's unique after we've added user data.
 773                 $linkLimits = $config->get( 'RCLinkLimits' );
 774                 $linkLimits[] = $options['limit'];
 775                 sort( $linkLimits );
 776                 $linkLimits = array_unique( $linkLimits );
 777
 778                 $linkDays = $config->get( 'RCLinkDays' );
 779                 $linkDays[] = $options['days'];
 780                 sort( $linkDays );
 781                 $linkDays = array_unique( $linkDays );
 782
 783                 // limit links
 784                 $cl = [];
 785                 foreach ( $linkLimits as $value ) {
 786                         $cl[] = $this->makeOptionsLink( $lang->formatNum( $value ),
 787                                 [ 'limit' => $value ], $nondefaults, $value == $options['limit'] );
 788                 }
 789                 $cl = $lang->pipeList( $cl );
 790
 791                 // day links, reset 'from' to none
 792                 $dl = [];
 793                 foreach ( $linkDays as $value ) {
 794                         $dl[] = $this->makeOptionsLink( $lang->formatNum( $value ),
 795                                 [ 'days' => $value, 'from' => '' ], $nondefaults, $value == $options['days'] );
 796                 }
 797                 $dl = $lang->pipeList( $dl );
 798
 799                 $showhide = [ 'show', 'hide' ];
 800
 801                 $links = [];
 802
 803                 $filterGroups = $this->getFilterGroups();
 804
 805                 $context = $this->getContext();
 806                 foreach ( $filterGroups as $groupName => $group ) {
 807                         if ( !$group->isPerGroupRequestParameter() ) {
 808                                 foreach ( $group->getFilters() as $key => $filter ) {
 809                                         if ( $filter->displaysOnUnstructuredUi( $this ) ) {
 810                                                 $msg = $filter->getShowHide();
 811                                                 $linkMessage = $this->msg( $msg . '-' . $showhide[1 - $options[$key]] );
 812                                                 // Extensions can define additional filters, but don't need to define the corresponding
 813                                                 // messages. If they don't exist, just fall back to 'show' and 'hide'.
 814                                                 if ( !$linkMessage->exists() ) {
 815                                                         $linkMessage = $this->msg( $showhide[1 - $options[$key]] );
 816                                                 }
 817
 818                                                 $link = $this->makeOptionsLink( $linkMessage->text(),
 819                                                         [ $key => 1 - $options[$key] ], $nondefaults );
 820
 821                                                 $attribs = [
 822                                                         'class' => "$msg rcshowhideoption",
 823                                                         'data-filter-name' => $filter->getName(),
 824                                                 ];
 825
 826                                                 if ( $filter->isFeatureAvailableOnStructuredUi( $this ) ) {
 827                                                         $attribs['data-feature-in-structured-ui'] = true;
 828                                                 }
 829
 830                                                 $links[] = Html::rawElement(
 831                                                         'span',
 832                                                         $attribs,
 833                                                         $this->msg( $msg )->rawParams( $link )->escaped()
 834                                                 );
 835                                         }
 836                                 }
 837                         }
 838                 }
 839
 840                 // show from this onward link
 841                 $timestamp = wfTimestampNow();
 842                 $now = $lang->userTimeAndDate( $timestamp, $user );
 843                 $timenow = $lang->userTime( $timestamp, $user );
 844                 $datenow = $lang->userDate( $timestamp, $user );
 845                 $pipedLinks = '<span class="rcshowhide">' . $lang->pipeList( $links ) . '</span>';
 846
 847                 $rclinks = '<span class="rclinks">' . $this->msg( 'rclinks' )->rawParams( $cl, $dl, '' )
 848                         ->parse() . '</span>';
 849
 850                 $rclistfrom = '<span class="rclistfrom">' . $this->makeOptionsLink(
 851                         $this->msg( 'rclistfrom' )->rawParams( $now, $timenow, $datenow )->parse(),
 852                         [ 'from' => $timestamp ],
 853                         $nondefaults
 854                 ) . '</span>';
 855
 856                 return "{$note}$rclinks<br />$pipedLinks<br />$rclistfrom";
 857         }
 858
 859         public function isIncludable() {
 860                 return true;
 861         }
 862
 863         protected function getCacheTTL() {
 864                 return 60 * 5;
 865         }
 866 }