includes/specials/SpecialWatchlist.php

   1 <?php
   2 /**
   3  * Implements Special:Watchlist
   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\IDatabase;
  27
  28 /**
  29  * A special page that lists last changes made to the wiki,
  30  * limited to user-defined list of titles.
  31  *
  32  * @ingroup SpecialPage
  33  */
  34 class SpecialWatchlist extends ChangesListSpecialPage {
  35         protected static $savedQueriesPreferenceName = 'rcfilters-wl-saved-queries';
  36         protected static $daysPreferenceName = 'watchlistdays';
  37         protected static $limitPreferenceName = 'wllimit';
  38         protected static $collapsedPreferenceName = 'rcfilters-wl-collapsed';
  39
  40         /** @var float|int */
  41         private $maxDays;
  42         /** WatchedItemStore */
  43         private $watchStore;
  44
  45         public function __construct( $page = 'Watchlist', $restriction = 'viewmywatchlist' ) {
  46                 parent::__construct( $page, $restriction );
  47
  48                 $this->maxDays = $this->getConfig()->get( 'RCMaxAge' ) / ( 3600 * 24 );
  49                 $this->watchStore = MediaWikiServices::getInstance()->getWatchedItemStore();
  50         }
  51
  52         public function doesWrites() {
  53                 return true;
  54         }
  55
  56         /**
  57          * Main execution point
  58          *
  59          * @param string $subpage
  60          */
  61         function execute( $subpage ) {
  62                 // Anons don't get a watchlist
  63                 $this->requireLogin( 'watchlistanontext' );
  64
  65                 $output = $this->getOutput();
  66                 $request = $this->getRequest();
  67                 $this->addHelpLink( 'Help:Watching pages' );
  68                 $output->addModuleStyles( [ 'mediawiki.special' ] );
  69                 $output->addModules( [
  70                         'mediawiki.special.recentchanges',
  71                         'mediawiki.special.watchlist',
  72                 ] );
  73
  74                 $mode = SpecialEditWatchlist::getMode( $request, $subpage );
  75                 if ( $mode !== false ) {
  76                         if ( $mode === SpecialEditWatchlist::EDIT_RAW ) {
  77                                 $title = SpecialPage::getTitleFor( 'EditWatchlist', 'raw' );
  78                         } elseif ( $mode === SpecialEditWatchlist::EDIT_CLEAR ) {
  79                                 $title = SpecialPage::getTitleFor( 'EditWatchlist', 'clear' );
  80                         } else {
  81                                 $title = SpecialPage::getTitleFor( 'EditWatchlist' );
  82                         }
  83
  84                         $output->redirect( $title->getLocalURL() );
  85
  86                         return;
  87                 }
  88
  89                 $this->checkPermissions();
  90
  91                 $user = $this->getUser();
  92                 $opts = $this->getOptions();
  93
  94                 $config = $this->getConfig();
  95                 if ( ( $config->get( 'EnotifWatchlist' ) || $config->get( 'ShowUpdatedMarker' ) )
  96                         && $request->getVal( 'reset' )
  97                         && $request->wasPosted()
  98                         && $user->matchEditToken( $request->getVal( 'token' ) )
  99                 ) {
 100                         $user->clearAllNotifications();
 101                         $output->redirect( $this->getPageTitle()->getFullURL( $opts->getChangedValues() ) );
 102
 103                         return;
 104                 }
 105
 106                 parent::execute( $subpage );
 107
 108                 if ( $this->isStructuredFilterUiEnabled() ) {
 109                         $output->addModuleStyles( [ 'mediawiki.rcfilters.highlightCircles.seenunseen.styles' ] );
 110                 }
 111         }
 112
 113         public static function checkStructuredFilterUiEnabled( Config $config, User $user ) {
 114                 return !$user->getOption( 'wlenhancedfilters-disable' );
 115         }
 116
 117         /**
 118          * Return an array of subpages that this special page will accept.
 119          *
 120          * @see also SpecialEditWatchlist::getSubpagesForPrefixSearch
 121          * @return string[] subpages
 122          */
 123         public function getSubpagesForPrefixSearch() {
 124                 return [
 125                         'clear',
 126                         'edit',
 127                         'raw',
 128                 ];
 129         }
 130
 131         /**
 132          * @inheritDoc
 133          */
 134         protected function transformFilterDefinition( array $filterDefinition ) {
 135                 if ( isset( $filterDefinition['showHideSuffix'] ) ) {
 136                         $filterDefinition['showHide'] = 'wl' . $filterDefinition['showHideSuffix'];
 137                 }
 138
 139                 return $filterDefinition;
 140         }
 141
 142         /**
 143          * @inheritDoc
 144          */
 145         protected function registerFilters() {
 146                 parent::registerFilters();
 147
 148                 // legacy 'extended' filter
 149                 $this->registerFilterGroup( new ChangesListBooleanFilterGroup( [
 150                         'name' => 'extended-group',
 151                         'filters' => [
 152                                 [
 153                                         'name' => 'extended',
 154                                         'isReplacedInStructuredUi' => true,
 155                                         'activeValue' => false,
 156                                         'default' => $this->getUser()->getBoolOption( 'extendwatchlist' ),
 157                                         'queryCallable' => function ( $specialClassName, $ctx, $dbr, &$tables,
 158                                                         &$fields, &$conds, &$query_options, &$join_conds ) {
 159                                                 $nonRevisionTypes = [ RC_LOG ];
 160                                                 Hooks::run( 'SpecialWatchlistGetNonRevisionTypes', [ &$nonRevisionTypes ] );
 161                                                 if ( $nonRevisionTypes ) {
 162                                                         $conds[] = $dbr->makeList(
 163                                                                 [
 164                                                                         'rc_this_oldid=page_latest',
 165                                                                         'rc_type' => $nonRevisionTypes,
 166                                                                 ],
 167                                                                 LIST_OR
 168                                                         );
 169                                                 }
 170                                         },
 171                                 ]
 172                         ],
 173
 174                 ] ) );
 175
 176                 if ( $this->isStructuredFilterUiEnabled() ) {
 177                         $this->getFilterGroup( 'lastRevision' )
 178                                 ->getFilter( 'hidepreviousrevisions' )
 179                                 ->setDefault( !$this->getUser()->getBoolOption( 'extendwatchlist' ) );
 180                 }
 181
 182                 $this->registerFilterGroup( new ChangesListStringOptionsFilterGroup( [
 183                         'name' => 'watchlistactivity',
 184                         'title' => 'rcfilters-filtergroup-watchlistactivity',
 185                         'class' => ChangesListStringOptionsFilterGroup::class,
 186                         'priority' => 3,
 187                         'isFullCoverage' => true,
 188                         'filters' => [
 189                                 [
 190                                         'name' => 'unseen',
 191                                         'label' => 'rcfilters-filter-watchlistactivity-unseen-label',
 192                                         'description' => 'rcfilters-filter-watchlistactivity-unseen-description',
 193                                         'cssClassSuffix' => 'watchedunseen',
 194                                         'isRowApplicableCallable' => function ( $ctx, RecentChange $rc ) {
 195                                                 $changeTs = $rc->getAttribute( 'rc_timestamp' );
 196                                                 $lastVisitTs = $this->getLatestSeenTimestamp( $rc );
 197
 198                                                 return $lastVisitTs !== null && $changeTs >= $lastVisitTs;
 199                                         },
 200                                 ],
 201                                 [
 202                                         'name' => 'seen',
 203                                         'label' => 'rcfilters-filter-watchlistactivity-seen-label',
 204                                         'description' => 'rcfilters-filter-watchlistactivity-seen-description',
 205                                         'cssClassSuffix' => 'watchedseen',
 206                                         'isRowApplicableCallable' => function ( $ctx, RecentChange $rc ) {
 207                                                 $changeTs = $rc->getAttribute( 'rc_timestamp' );
 208                                                 $lastVisitTs = $this->getLatestSeenTimestamp( $rc );
 209
 210                                                 return $lastVisitTs === null || $changeTs < $lastVisitTs;
 211                                         }
 212                                 ],
 213                         ],
 214                         'default' => ChangesListStringOptionsFilterGroup::NONE,
 215                         'queryCallable' => function (
 216                                 $specialPageClassName,
 217                                 $context,
 218                                 IDatabase $dbr,
 219                                 &$tables,
 220                                 &$fields,
 221                                 &$conds,
 222                                 &$query_options,
 223                                 &$join_conds,
 224                                 $selectedValues
 225                         ) {
 226                                 if ( $selectedValues === [ 'seen' ] ) {
 227                                         $conds[] = $dbr->makeList( [
 228                                                 'wl_notificationtimestamp IS NULL',
 229                                                 'rc_timestamp < wl_notificationtimestamp'
 230                                         ], LIST_OR );
 231                                 } elseif ( $selectedValues === [ 'unseen' ] ) {
 232                                         $conds[] = $dbr->makeList( [
 233                                                 'wl_notificationtimestamp IS NOT NULL',
 234                                                 'rc_timestamp >= wl_notificationtimestamp'
 235                                         ], LIST_AND );
 236                                 }
 237                         }
 238                 ] ) );
 239
 240                 $user = $this->getUser();
 241
 242                 $significance = $this->getFilterGroup( 'significance' );
 243                 $hideMinor = $significance->getFilter( 'hideminor' );
 244                 $hideMinor->setDefault( $user->getBoolOption( 'watchlisthideminor' ) );
 245
 246                 $automated = $this->getFilterGroup( 'automated' );
 247                 $hideBots = $automated->getFilter( 'hidebots' );
 248                 $hideBots->setDefault( $user->getBoolOption( 'watchlisthidebots' ) );
 249
 250                 $registration = $this->getFilterGroup( 'registration' );
 251                 $hideAnons = $registration->getFilter( 'hideanons' );
 252                 $hideAnons->setDefault( $user->getBoolOption( 'watchlisthideanons' ) );
 253                 $hideLiu = $registration->getFilter( 'hideliu' );
 254                 $hideLiu->setDefault( $user->getBoolOption( 'watchlisthideliu' ) );
 255
 256                 // Selecting both hideanons and hideliu on watchlist preferances
 257                 // gives mutually exclusive filters, so those are ignored
 258                 if ( $user->getBoolOption( 'watchlisthideanons' ) &&
 259                         !$user->getBoolOption( 'watchlisthideliu' )
 260                 ) {
 261                         $this->getFilterGroup( 'userExpLevel' )
 262                                 ->setDefault( 'registered' );
 263                 }
 264
 265                 if ( $user->getBoolOption( 'watchlisthideliu' ) &&
 266                         !$user->getBoolOption( 'watchlisthideanons' )
 267                 ) {
 268                         $this->getFilterGroup( 'userExpLevel' )
 269                                 ->setDefault( 'unregistered' );
 270                 }
 271
 272                 $reviewStatus = $this->getFilterGroup( 'reviewStatus' );
 273                 if ( $reviewStatus !== null ) {
 274                         // Conditional on feature being available and rights
 275                         if ( $user->getBoolOption( 'watchlisthidepatrolled' ) ) {
 276                                 $reviewStatus->setDefault( 'unpatrolled' );
 277                                 $legacyReviewStatus = $this->getFilterGroup( 'legacyReviewStatus' );
 278                                 $legacyHidePatrolled = $legacyReviewStatus->getFilter( 'hidepatrolled' );
 279                                 $legacyHidePatrolled->setDefault( true );
 280                         }
 281                 }
 282
 283                 $authorship = $this->getFilterGroup( 'authorship' );
 284                 $hideMyself = $authorship->getFilter( 'hidemyself' );
 285                 $hideMyself->setDefault( $user->getBoolOption( 'watchlisthideown' ) );
 286
 287                 $changeType = $this->getFilterGroup( 'changeType' );
 288                 $hideCategorization = $changeType->getFilter( 'hidecategorization' );
 289                 if ( $hideCategorization !== null ) {
 290                         // Conditional on feature being available
 291                         $hideCategorization->setDefault( $user->getBoolOption( 'watchlisthidecategorization' ) );
 292                 }
 293         }
 294
 295         /**
 296          * Fetch values for a FormOptions object from the WebRequest associated with this instance.
 297          *
 298          * Maps old pre-1.23 request parameters Watchlist used to use (different from Recentchanges' ones)
 299          * to the current ones.
 300          *
 301          * @param FormOptions $opts
 302          * @return FormOptions
 303          */
 304         protected function fetchOptionsFromRequest( $opts ) {
 305                 static $compatibilityMap = [
 306                         'hideMinor' => 'hideminor',
 307                         'hideBots' => 'hidebots',
 308                         'hideAnons' => 'hideanons',
 309                         'hideLiu' => 'hideliu',
 310                         'hidePatrolled' => 'hidepatrolled',
 311                         'hideOwn' => 'hidemyself',
 312                 ];
 313
 314                 $params = $this->getRequest()->getValues();
 315                 foreach ( $compatibilityMap as $from => $to ) {
 316                         if ( isset( $params[$from] ) ) {
 317                                 $params[$to] = $params[$from];
 318                                 unset( $params[$from] );
 319                         }
 320                 }
 321
 322                 if ( $this->getRequest()->getVal( 'action' ) == 'submit' ) {
 323                         $allBooleansFalse = [];
 324
 325                         // If the user submitted the form, start with a baseline of "all
 326                         // booleans are false", then change the ones they checked.  This
 327                         // means we ignore the defaults.
 328
 329                         // This is how we handle the fact that HTML forms don't submit
 330                         // unchecked boxes.
 331                         foreach ( $this->getLegacyShowHideFilters() as $filter ) {
 332                                 $allBooleansFalse[ $filter->getName() ] = false;
 333                         }
 334
 335                         $params = $params + $allBooleansFalse;
 336                 }
 337
 338                 // Not the prettiest way to achieve this… FormOptions internally depends on data sanitization
 339                 // methods defined on WebRequest and removing this dependency would cause some code duplication.
 340                 $request = new DerivativeRequest( $this->getRequest(), $params );
 341                 $opts->fetchValuesFromRequest( $request );
 342
 343                 return $opts;
 344         }
 345
 346         /**
 347          * @inheritDoc
 348          */
 349         protected function doMainQuery( $tables, $fields, $conds, $query_options,
 350                 $join_conds, FormOptions $opts
 351         ) {
 352                 $dbr = $this->getDB();
 353                 $user = $this->getUser();
 354
 355                 $rcQuery = RecentChange::getQueryInfo();
 356                 $tables = array_merge( $tables, $rcQuery['tables'], [ 'watchlist' ] );
 357                 $fields = array_merge( $rcQuery['fields'], $fields );
 358
 359                 $join_conds = array_merge(
 360                         [
 361                                 'watchlist' => [
 362                                         'JOIN',
 363                                         [
 364                                                 'wl_user' => $user->getId(),
 365                                                 'wl_namespace=rc_namespace',
 366                                                 'wl_title=rc_title'
 367                                         ],
 368                                 ],
 369                         ],
 370                         $rcQuery['joins'],
 371                         $join_conds
 372                 );
 373
 374                 $tables[] = 'page';
 375                 $fields[] = 'page_latest';
 376                 $join_conds['page'] = [ 'LEFT JOIN', 'rc_cur_id=page_id' ];
 377
 378                 $fields[] = 'wl_notificationtimestamp';
 379
 380                 // Log entries with DELETED_ACTION must not show up unless the user has
 381                 // the necessary rights.
 382                 if ( !$user->isAllowed( 'deletedhistory' ) ) {
 383                         $bitmask = LogPage::DELETED_ACTION;
 384                 } elseif ( !$user->isAllowedAny( 'suppressrevision', 'viewsuppressed' ) ) {
 385                         $bitmask = LogPage::DELETED_ACTION | LogPage::DELETED_RESTRICTED;
 386                 } else {
 387                         $bitmask = 0;
 388                 }
 389                 if ( $bitmask ) {
 390                         $conds[] = $dbr->makeList( [
 391                                 'rc_type != ' . RC_LOG,
 392                                 $dbr->bitAnd( 'rc_deleted', $bitmask ) . " != $bitmask",
 393                         ], LIST_OR );
 394                 }
 395
 396                 $tagFilter = $opts['tagfilter'] ? explode( '|', $opts['tagfilter'] ) : [];
 397                 ChangeTags::modifyDisplayQuery(
 398                         $tables,
 399                         $fields,
 400                         $conds,
 401                         $join_conds,
 402                         $query_options,
 403                         $tagFilter
 404                 );
 405
 406                 $this->runMainQueryHook( $tables, $fields, $conds, $query_options, $join_conds, $opts );
 407
 408                 if ( $this->areFiltersInConflict() ) {
 409                         return false;
 410                 }
 411
 412                 $orderByAndLimit = [
 413                         'ORDER BY' => 'rc_timestamp DESC',
 414                         'LIMIT' => $opts['limit']
 415                 ];
 416                 if ( in_array( 'DISTINCT', $query_options ) ) {
 417                         // ChangeTags::modifyDisplayQuery() adds DISTINCT when filtering on multiple tags.
 418                         // In order to prevent DISTINCT from causing query performance problems,
 419                         // we have to GROUP BY the primary key. This in turn requires us to add
 420                         // the primary key to the end of the ORDER BY, and the old ORDER BY to the
 421                         // start of the GROUP BY
 422                         $orderByAndLimit['ORDER BY'] = 'rc_timestamp DESC, rc_id DESC';
 423                         $orderByAndLimit['GROUP BY'] = 'rc_timestamp, rc_id';
 424                 }
 425                 // array_merge() is used intentionally here so that hooks can, should
 426                 // they so desire, override the ORDER BY / LIMIT condition(s)
 427                 $query_options = array_merge( $orderByAndLimit, $query_options );
 428
 429                 return $dbr->select(
 430                         $tables,
 431                         $fields,
 432                         $conds,
 433                         __METHOD__,
 434                         $query_options,
 435                         $join_conds
 436                 );
 437         }
 438
 439         /**
 440          * Return a IDatabase object for reading
 441          *
 442          * @return IDatabase
 443          */
 444         protected function getDB() {
 445                 return wfGetDB( DB_REPLICA, 'watchlist' );
 446         }
 447
 448         /**
 449          * Output feed links.
 450          */
 451         public function outputFeedLinks() {
 452                 $user = $this->getUser();
 453                 $wlToken = $user->getTokenFromOption( 'watchlisttoken' );
 454                 if ( $wlToken ) {
 455                         $this->addFeedLinks( [
 456                                 'action' => 'feedwatchlist',
 457                                 'allrev' => 1,
 458                                 'wlowner' => $user->getName(),
 459                                 'wltoken' => $wlToken,
 460                         ] );
 461                 }
 462         }
 463
 464         /**
 465          * Build and output the actual changes list.
 466          *
 467          * @param IResultWrapper $rows Database rows
 468          * @param FormOptions $opts
 469          */
 470         public function outputChangesList( $rows, $opts ) {
 471                 $dbr = $this->getDB();
 472                 $user = $this->getUser();
 473                 $output = $this->getOutput();
 474                 $services = MediaWikiServices::getInstance();
 475
 476                 # Show a message about replica DB lag, if applicable
 477                 $lag = $dbr->getSessionLagStatus()['lag'];
 478                 if ( $lag > 0 ) {
 479                         $output->showLagWarning( $lag );
 480                 }
 481
 482                 # If no rows to display, show message before try to render the list
 483                 if ( $rows->numRows() == 0 ) {
 484                         $output->wrapWikiMsg(
 485                                 "<div class='mw-changeslist-empty'>\n$1\n</div>", 'recentchanges-noresult'
 486                         );
 487                         return;
 488                 }
 489
 490                 $dbr->dataSeek( $rows, 0 );
 491
 492                 $list = ChangesList::newFromContext( $this->getContext(), $this->filterGroups );
 493                 $list->setWatchlistDivs();
 494                 $list->initChangesListRows( $rows );
 495                 if ( $user->getOption( 'watchlistunwatchlinks' ) ) {
 496                         $list->setChangeLinePrefixer( function ( RecentChange $rc, ChangesList $cl, $grouped ) {
 497                                 // Don't show unwatch link if the line is a grouped log entry using EnhancedChangesList,
 498                                 // since EnhancedChangesList groups log entries by performer rather than by target article
 499                                 if ( $rc->mAttribs['rc_type'] == RC_LOG && $cl instanceof EnhancedChangesList &&
 500                                         $grouped ) {
 501                                         return '';
 502                                 } else {
 503                                         return $this->getLinkRenderer()
 504                                                         ->makeKnownLink( $rc->getTitle(),
 505                                                                 $this->msg( 'watchlist-unwatch' )->text(), [
 506                                                                         'class' => 'mw-unwatch-link',
 507                                                                         'title' => $this->msg( 'tooltip-ca-unwatch' )->text()
 508                                                                 ], [ 'action' => 'unwatch' ] ) . "\u{00A0}";
 509                                 }
 510                         } );
 511                 }
 512                 $dbr->dataSeek( $rows, 0 );
 513
 514                 if ( $this->getConfig()->get( 'RCShowWatchingUsers' )
 515                         && $user->getOption( 'shownumberswatching' )
 516                 ) {
 517                         $watchedItemStore = $services->getWatchedItemStore();
 518                 }
 519
 520                 $s = $list->beginRecentChangesList();
 521
 522                 if ( $this->isStructuredFilterUiEnabled() ) {
 523                         $s .= $this->makeLegend();
 524                 }
 525
 526                 $userShowHiddenCats = $this->getUser()->getBoolOption( 'showhiddencats' );
 527                 $counter = 1;
 528                 foreach ( $rows as $obj ) {
 529                         # Make RC entry
 530                         $rc = RecentChange::newFromRow( $obj );
 531
 532                         # Skip CatWatch entries for hidden cats based on user preference
 533                         if (
 534                                 $rc->getAttribute( 'rc_type' ) == RC_CATEGORIZE &&
 535                                 !$userShowHiddenCats &&
 536                                 $rc->getParam( 'hidden-cat' )
 537                         ) {
 538                                 continue;
 539                         }
 540
 541                         $rc->counter = $counter++;
 542
 543                         if ( $this->getConfig()->get( 'ShowUpdatedMarker' ) ) {
 544                                 $lastVisitTs = $this->getLatestSeenTimestamp( $rc );
 545                                 $updated = ( $lastVisitTs > $rc->getAttribute( 'timestamp' ) );
 546                         } else {
 547                                 $updated = false;
 548                         }
 549
 550                         if ( isset( $watchedItemStore ) ) {
 551                                 $rcTitleValue = new TitleValue( (int)$obj->rc_namespace, $obj->rc_title );
 552                                 $rc->numberofWatchingusers = $watchedItemStore->countWatchers( $rcTitleValue );
 553                         } else {
 554                                 $rc->numberofWatchingusers = 0;
 555                         }
 556
 557                         $changeLine = $list->recentChangesLine( $rc, $updated, $counter );
 558                         if ( $changeLine !== false ) {
 559                                 $s .= $changeLine;
 560                         }
 561                 }
 562                 $s .= $list->endRecentChangesList();
 563
 564                 $output->addHTML( $s );
 565         }
 566
 567         /**
 568          * Set the text to be displayed above the changes
 569          *
 570          * @param FormOptions $opts
 571          * @param int $numRows Number of rows in the result to show after this header
 572          */
 573         public function doHeader( $opts, $numRows ) {
 574                 $user = $this->getUser();
 575                 $out = $this->getOutput();
 576
 577                 $out->addSubtitle(
 578                         $this->msg( 'watchlistfor2', $user->getName() )
 579                                 ->rawParams( SpecialEditWatchlist::buildTools(
 580                                         $this->getLanguage(),
 581                                         $this->getLinkRenderer()
 582                                 ) )
 583                 );
 584
 585                 $this->setTopText( $opts );
 586
 587                 $form = '';
 588
 589                 $form .= Xml::openElement( 'form', [
 590                         'method' => 'get',
 591                         'action' => wfScript(),
 592                         'id' => 'mw-watchlist-form'
 593                 ] );
 594                 $form .= Html::hidden( 'title', $this->getPageTitle()->getPrefixedText() );
 595                 $form .= Xml::openElement(
 596                         'fieldset',
 597                         [ 'id' => 'mw-watchlist-options', 'class' => 'cloptions' ]
 598                 );
 599                 $form .= Xml::element(
 600                         'legend', null, $this->msg( 'watchlist-options' )->text()
 601                 );
 602
 603                 if ( !$this->isStructuredFilterUiEnabled() ) {
 604                         $form .= $this->makeLegend();
 605                 }
 606
 607                 $lang = $this->getLanguage();
 608                 $timestamp = wfTimestampNow();
 609                 $wlInfo = Html::rawElement(
 610                         'span',
 611                         [
 612                                 'class' => 'wlinfo',
 613                                 'data-params' => json_encode( [ 'from' => $timestamp ] ),
 614                         ],
 615                         $this->msg( 'wlnote' )->numParams( $numRows, round( $opts['days'] * 24 ) )->params(
 616                                 $lang->userDate( $timestamp, $user ), $lang->userTime( $timestamp, $user )
 617                         )->parse()
 618                 ) . "<br />\n";
 619
 620                 $nondefaults = $opts->getChangedValues();
 621                 $cutofflinks = Html::rawElement(
 622                         'span',
 623                         [ 'class' => 'cldays cloption' ],
 624                         $this->msg( 'wlshowtime' ) . ' ' . $this->cutoffselector( $opts )
 625                 );
 626
 627                 # Spit out some control panel links
 628                 $links = [];
 629                 $namesOfDisplayedFilters = [];
 630                 foreach ( $this->getLegacyShowHideFilters() as $filterName => $filter ) {
 631                         $namesOfDisplayedFilters[] = $filterName;
 632                         $links[] = $this->showHideCheck(
 633                                 $nondefaults,
 634                                 $filter->getShowHide(),
 635                                 $filterName,
 636                                 $opts[ $filterName ],
 637                                 $filter->isFeatureAvailableOnStructuredUi( $this )
 638                         );
 639                 }
 640
 641                 $hiddenFields = $nondefaults;
 642                 $hiddenFields['action'] = 'submit';
 643                 unset( $hiddenFields['namespace'] );
 644                 unset( $hiddenFields['invert'] );
 645                 unset( $hiddenFields['associated'] );
 646                 unset( $hiddenFields['days'] );
 647                 foreach ( $namesOfDisplayedFilters as $filterName ) {
 648                         unset( $hiddenFields[$filterName] );
 649                 }
 650
 651                 # Namespace filter and put the whole form together.
 652                 $form .= $wlInfo;
 653                 $form .= $cutofflinks;
 654                 $form .= Html::rawElement(
 655                         'span',
 656                         [ 'class' => 'clshowhide' ],
 657                         $this->msg( 'watchlist-hide' ) .
 658                         $this->msg( 'colon-separator' )->escaped() .
 659                         implode( ' ', $links )
 660                 );
 661                 $form .= "\n<br />\n";
 662
 663                 $namespaceForm = Html::namespaceSelector(
 664                         [
 665                                 'selected' => $opts['namespace'],
 666                                 'all' => '',
 667                                 'label' => $this->msg( 'namespace' )->text(),
 668                                 'in-user-lang' => true,
 669                         ], [
 670                                 'name' => 'namespace',
 671                                 'id' => 'namespace',
 672                                 'class' => 'namespaceselector',
 673                         ]
 674                 ) . "\n";
 675                 $hidden = $opts['namespace'] === '' ? ' mw-input-hidden' : '';
 676                 $namespaceForm .= '<span class="mw-input-with-label' . $hidden . '">' . Xml::checkLabel(
 677                         $this->msg( 'invert' )->text(),
 678                         'invert',
 679                         'nsinvert',
 680                         $opts['invert'],
 681                         [ 'title' => $this->msg( 'tooltip-invert' )->text() ]
 682                 ) . "</span>\n";
 683                 $namespaceForm .= '<span class="mw-input-with-label' . $hidden . '">' . Xml::checkLabel(
 684                         $this->msg( 'namespace_association' )->text(),
 685                         'associated',
 686                         'nsassociated',
 687                         $opts['associated'],
 688                         [ 'title' => $this->msg( 'tooltip-namespace_association' )->text() ]
 689                 ) . "</span>\n";
 690                 $form .= Html::rawElement(
 691                         'span',
 692                         [ 'class' => 'namespaceForm cloption' ],
 693                         $namespaceForm
 694                 );
 695
 696                 $form .= Xml::submitButton(
 697                         $this->msg( 'watchlist-submit' )->text(),
 698                         [ 'class' => 'cloption-submit' ]
 699                 ) . "\n";
 700                 foreach ( $hiddenFields as $key => $value ) {
 701                         $form .= Html::hidden( $key, $value ) . "\n";
 702                 }
 703                 $form .= Xml::closeElement( 'fieldset' ) . "\n";
 704                 $form .= Xml::closeElement( 'form' ) . "\n";
 705
 706                 // Insert a placeholder for RCFilters
 707                 if ( $this->isStructuredFilterUiEnabled() ) {
 708                         $rcfilterContainer = Html::element(
 709                                 'div',
 710                                 [ 'class' => 'rcfilters-container' ]
 711                         );
 712
 713                         $loadingContainer = Html::rawElement(
 714                                 'div',
 715                                 [ 'class' => 'rcfilters-spinner' ],
 716                                 Html::element(
 717                                         'div',
 718                                         [ 'class' => 'rcfilters-spinner-bounce' ]
 719                                 )
 720                         );
 721
 722                         // Wrap both with rcfilters-head
 723                         $this->getOutput()->addHTML(
 724                                 Html::rawElement(
 725                                         'div',
 726                                         [ 'class' => 'rcfilters-head' ],
 727                                         $rcfilterContainer . $form
 728                                 )
 729                         );
 730
 731                         // Add spinner
 732                         $this->getOutput()->addHTML( $loadingContainer );
 733                 } else {
 734                         $this->getOutput()->addHTML( $form );
 735                 }
 736
 737                 $this->setBottomText( $opts );
 738         }
 739
 740         function cutoffselector( $options ) {
 741                 $selected = (float)$options['days'];
 742                 if ( $selected <= 0 ) {
 743                         $selected = $this->maxDays;
 744                 }
 745
 746                 $selectedHours = round( $selected * 24 );
 747
 748                 $hours = array_unique( array_filter( [
 749                         1,
 750                         2,
 751                         6,
 752                         12,
 753                         24,
 754                         72,
 755                         168,
 756                         24 * (float)$this->getUser()->getOption( 'watchlistdays', 0 ),
 757                         24 * $this->maxDays,
 758                         $selectedHours
 759                 ] ) );
 760                 asort( $hours );
 761
 762                 $select = new XmlSelect( 'days', 'days', (float)( $selectedHours / 24 ) );
 763
 764                 foreach ( $hours as $value ) {
 765                         if ( $value < 24 ) {
 766                                 $name = $this->msg( 'hours' )->numParams( $value )->text();
 767                         } else {
 768                                 $name = $this->msg( 'days' )->numParams( $value / 24 )->text();
 769                         }
 770                         $select->addOption( $name, (float)( $value / 24 ) );
 771                 }
 772
 773                 return $select->getHTML() . "\n<br />\n";
 774         }
 775
 776         function setTopText( FormOptions $opts ) {
 777                 $nondefaults = $opts->getChangedValues();
 778                 $form = '';
 779                 $user = $this->getUser();
 780
 781                 $numItems = $this->countItems();
 782                 $showUpdatedMarker = $this->getConfig()->get( 'ShowUpdatedMarker' );
 783
 784                 // Show watchlist header
 785                 $watchlistHeader = '';
 786                 if ( $numItems == 0 ) {
 787                         $watchlistHeader = $this->msg( 'nowatchlist' )->parse();
 788                 } else {
 789                         $watchlistHeader .= $this->msg( 'watchlist-details' )->numParams( $numItems )->parse() . "\n";
 790                         if ( $this->getConfig()->get( 'EnotifWatchlist' )
 791                                 && $user->getOption( 'enotifwatchlistpages' )
 792                         ) {
 793                                 $watchlistHeader .= $this->msg( 'wlheader-enotif' )->parse() . "\n";
 794                         }
 795                         if ( $showUpdatedMarker ) {
 796                                 $watchlistHeader .= $this->msg(
 797                                         $this->isStructuredFilterUiEnabled() ?
 798                                                 'rcfilters-watchlist-showupdated' :
 799                                                 'wlheader-showupdated'
 800                                 )->parse() . "\n";
 801                         }
 802                 }
 803                 $form .= Html::rawElement(
 804                         'div',
 805                         [ 'class' => 'watchlistDetails' ],
 806                         $watchlistHeader
 807                 );
 808
 809                 if ( $numItems > 0 && $showUpdatedMarker ) {
 810                         $form .= Xml::openElement( 'form', [ 'method' => 'post',
 811                                 'action' => $this->getPageTitle()->getLocalURL(),
 812                                 'id' => 'mw-watchlist-resetbutton' ] ) . "\n" .
 813                         Xml::submitButton( $this->msg( 'enotif_reset' )->text(),
 814                                 [ 'name' => 'mw-watchlist-reset-submit' ] ) . "\n" .
 815                         Html::hidden( 'token', $user->getEditToken() ) . "\n" .
 816                         Html::hidden( 'reset', 'all' ) . "\n";
 817                         foreach ( $nondefaults as $key => $value ) {
 818                                 $form .= Html::hidden( $key, $value ) . "\n";
 819                         }
 820                         $form .= Xml::closeElement( 'form' ) . "\n";
 821                 }
 822
 823                 $this->getOutput()->addHTML( $form );
 824         }
 825
 826         protected function showHideCheck( $options, $message, $name, $value, $inStructuredUi ) {
 827                 $options[$name] = 1 - (int)$value;
 828
 829                 $attribs = [ 'class' => 'mw-input-with-label clshowhideoption cloption' ];
 830                 if ( $inStructuredUi ) {
 831                         $attribs[ 'data-feature-in-structured-ui' ] = true;
 832                 }
 833
 834                 return Html::rawElement(
 835                         'span',
 836                         $attribs,
 837                         // not using Html::checkLabel because that would escape the contents
 838                         Html::check( $name, (int)$value, [ 'id' => $name ] ) . Html::rawElement(
 839                                 'label',
 840                                 $attribs + [ 'for' => $name ],
 841                                 // <nowiki/> at beginning to avoid messages with "$1 ..." being parsed as pre tags
 842                                 $this->msg( $message, '<nowiki/>' )->parse()
 843                         )
 844                 );
 845         }
 846
 847         /**
 848          * Count the number of paired items on a user's watchlist.
 849          * The assumption made here is that when a subject page is watched a talk page is also watched.
 850          * Hence the number of individual items is halved.
 851          *
 852          * @return int
 853          */
 854         protected function countItems() {
 855                 $store = MediaWikiServices::getInstance()->getWatchedItemStore();
 856                 $count = $store->countWatchedItems( $this->getUser() );
 857                 return floor( $count / 2 );
 858         }
 859
 860         /**
 861          * @param RecentChange $rc
 862          * @return string TS_MW timestamp
 863          */
 864         protected function getLatestSeenTimestamp( RecentChange $rc ) {
 865                 return $this->watchStore->getLatestNotificationTimestamp(
 866                         $rc->getAttribute( 'wl_notificationtimestamp' ),
 867                         $rc->getPerformer(),
 868                         $rc->getTitle()
 869                 );
 870         }
 871 }