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\ResultWrapper;
  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         public function __construct( $page = 'Watchlist', $restriction = 'viewmywatchlist' ) {
  36                 parent::__construct( $page, $restriction );
  37         }
  38
  39         public function doesWrites() {
  40                 return true;
  41         }
  42
  43         /**
  44          * Main execution point
  45          *
  46          * @param string $subpage
  47          */
  48         function execute( $subpage ) {
  49                 // Anons don't get a watchlist
  50                 $this->requireLogin( 'watchlistanontext' );
  51
  52                 $output = $this->getOutput();
  53                 $request = $this->getRequest();
  54                 $this->addHelpLink( 'Help:Watching pages' );
  55                 $output->addModules( [
  56                         'mediawiki.special.changeslist.visitedstatus',
  57                         'mediawiki.special.watchlist',
  58                 ] );
  59
  60                 $mode = SpecialEditWatchlist::getMode( $request, $subpage );
  61                 if ( $mode !== false ) {
  62                         if ( $mode === SpecialEditWatchlist::EDIT_RAW ) {
  63                                 $title = SpecialPage::getTitleFor( 'EditWatchlist', 'raw' );
  64                         } elseif ( $mode === SpecialEditWatchlist::EDIT_CLEAR ) {
  65                                 $title = SpecialPage::getTitleFor( 'EditWatchlist', 'clear' );
  66                         } else {
  67                                 $title = SpecialPage::getTitleFor( 'EditWatchlist' );
  68                         }
  69
  70                         $output->redirect( $title->getLocalURL() );
  71
  72                         return;
  73                 }
  74
  75                 $this->checkPermissions();
  76
  77                 $user = $this->getUser();
  78                 $opts = $this->getOptions();
  79
  80                 $config = $this->getConfig();
  81                 if ( ( $config->get( 'EnotifWatchlist' ) || $config->get( 'ShowUpdatedMarker' ) )
  82                         && $request->getVal( 'reset' )
  83                         && $request->wasPosted()
  84                         && $user->matchEditToken( $request->getVal( 'token' ) )
  85                 ) {
  86                         $user->clearAllNotifications();
  87                         $output->redirect( $this->getPageTitle()->getFullURL( $opts->getChangedValues() ) );
  88
  89                         return;
  90                 }
  91
  92                 parent::execute( $subpage );
  93         }
  94
  95         /**
  96          * Return an array of subpages that this special page will accept.
  97          *
  98          * @see also SpecialEditWatchlist::getSubpagesForPrefixSearch
  99          * @return string[] subpages
 100          */
 101         public function getSubpagesForPrefixSearch() {
 102                 return [
 103                         'clear',
 104                         'edit',
 105                         'raw',
 106                 ];
 107         }
 108
 109         /**
 110          * @inheritdoc
 111          */
 112         protected function transformFilterDefinition( array $filterDefinition ) {
 113                 if ( isset( $filterDefinition['showHideSuffix'] ) ) {
 114                           $filterDefinition['showHide'] = 'wl' . $filterDefinition['showHideSuffix'];
 115                 }
 116
 117                 return $filterDefinition;
 118         }
 119
 120         /**
 121          * @inheritdoc
 122          */
 123         protected function registerFilters() {
 124                 parent::registerFilters();
 125
 126                 $user = $this->getUser();
 127
 128                 $significance = $this->getFilterGroup( 'significance' );
 129                 $hideMinor = $significance->getFilter( 'hideminor' );
 130                 $hideMinor->setDefault( $user->getBoolOption( 'watchlisthideminor' ) );
 131
 132                 $automated = $this->getFilterGroup( 'automated' );
 133                 $hideBots = $automated->getFilter( 'hidebots' );
 134                 $hideBots->setDefault( $user->getBoolOption( 'watchlisthidebots' ) );
 135
 136                 $registration = $this->getFilterGroup( 'registration' );
 137                 $hideAnons = $registration->getFilter( 'hideanons' );
 138                 $hideAnons->setDefault( $user->getBoolOption( 'watchlisthideanons' ) );
 139                 $hideLiu = $registration->getFilter( 'hideliu' );
 140                 $hideLiu->setDefault( $user->getBoolOption( 'watchlisthideliu' ) );
 141
 142                 $reviewStatus = $this->getFilterGroup( 'reviewStatus' );
 143                 if ( $reviewStatus !== null ) {
 144                         // Conditional on feature being available and rights
 145                         $hidePatrolled = $reviewStatus->getFilter( 'hidepatrolled' );
 146                         $hidePatrolled->setDefault( $user->getBoolOption( 'watchlisthidepatrolled' ) );
 147                 }
 148
 149                 $authorship = $this->getFilterGroup( 'authorship' );
 150                 $hideMyself = $authorship->getFilter( 'hidemyself' );
 151                 $hideMyself->setDefault( $user->getBoolOption( 'watchlisthideown' ) );
 152
 153                 $changeType = $this->getFilterGroup( 'changeType' );
 154                 $hideCategorization = $changeType->getFilter( 'hidecategorization' );
 155                 if ( $hideCategorization !== null ) {
 156                         // Conditional on feature being available
 157                         $hideCategorization->setDefault( $user->getBoolOption( 'watchlisthidecategorization' ) );
 158                 }
 159         }
 160
 161         /**
 162          * Get a FormOptions object containing the default options
 163          *
 164          * @return FormOptions
 165          */
 166         public function getDefaultOptions() {
 167                 $opts = parent::getDefaultOptions();
 168                 $user = $this->getUser();
 169
 170                 $opts->add( 'days', $user->getOption( 'watchlistdays' ), FormOptions::FLOAT );
 171                 $opts->add( 'extended', $user->getBoolOption( 'extendwatchlist' ) );
 172
 173                 return $opts;
 174         }
 175
 176         /**
 177          * Get all custom filters
 178          *
 179          * @return array Map of filter URL param names to properties (msg/default)
 180          */
 181         protected function getCustomFilters() {
 182                 if ( $this->customFilters === null ) {
 183                         $this->customFilters = parent::getCustomFilters();
 184                         Hooks::run( 'SpecialWatchlistFilters', [ $this, &$this->customFilters ], '1.23' );
 185                 }
 186
 187                 return $this->customFilters;
 188         }
 189
 190         /**
 191          * Fetch values for a FormOptions object from the WebRequest associated with this instance.
 192          *
 193          * Maps old pre-1.23 request parameters Watchlist used to use (different from Recentchanges' ones)
 194          * to the current ones.
 195          *
 196          * @param FormOptions $opts
 197          * @return FormOptions
 198          */
 199         protected function fetchOptionsFromRequest( $opts ) {
 200                 static $compatibilityMap = [
 201                         'hideMinor' => 'hideminor',
 202                         'hideBots' => 'hidebots',
 203                         'hideAnons' => 'hideanons',
 204                         'hideLiu' => 'hideliu',
 205                         'hidePatrolled' => 'hidepatrolled',
 206                         'hideOwn' => 'hidemyself',
 207                 ];
 208
 209                 $params = $this->getRequest()->getValues();
 210                 foreach ( $compatibilityMap as $from => $to ) {
 211                         if ( isset( $params[$from] ) ) {
 212                                 $params[$to] = $params[$from];
 213                                 unset( $params[$from] );
 214                         }
 215                 }
 216
 217                 if ( $this->getRequest()->getVal( 'action' ) == 'submit' ) {
 218                         $allBooleansFalse = [];
 219
 220                         // If the user submitted the form, start with a baseline of "all
 221                         // booleans are false", then change the ones they checked.  This
 222                         // means we ignore the defaults.
 223
 224                         // This is how we handle the fact that HTML forms don't submit
 225                         // unchecked boxes.
 226                         foreach ( $this->filterGroups as $filterGroup ) {
 227                                 if ( $filterGroup instanceof ChangesListBooleanFilterGroup ) {
 228                                         foreach ( $filterGroup->getFilters() as $filter ) {
 229                                                 $allBooleansFalse[$filter->getName()] = false;
 230                                         }
 231                                 }
 232                         }
 233
 234                         $params = $params + $allBooleansFalse;
 235                 }
 236
 237                 // Not the prettiest way to achieve this… FormOptions internally depends on data sanitization
 238                 // methods defined on WebRequest and removing this dependency would cause some code duplication.
 239                 $request = new DerivativeRequest( $this->getRequest(), $params );
 240                 $opts->fetchValuesFromRequest( $request );
 241
 242                 return $opts;
 243         }
 244
 245         /**
 246          * @inheritdoc
 247          */
 248         protected function buildQuery( &$tables, &$fields, &$conds, &$query_options,
 249                 &$join_conds, FormOptions $opts ) {
 250
 251                 $dbr = $this->getDB();
 252                 parent::buildQuery( $tables, $fields, $conds, $query_options, $join_conds,
 253                         $opts );
 254
 255                 // Calculate cutoff
 256                 if ( $opts['days'] > 0 ) {
 257                         $conds[] = 'rc_timestamp > ' .
 258                                 $dbr->addQuotes( $dbr->timestamp( time() - intval( $opts['days'] * 86400 ) ) );
 259                 }
 260         }
 261
 262         /**
 263          * @inheritdoc
 264          */
 265         protected function doMainQuery( $tables, $fields, $conds, $query_options,
 266                 $join_conds, FormOptions $opts ) {
 267
 268                 $dbr = $this->getDB();
 269                 $user = $this->getUser();
 270
 271                 # Toggle watchlist content (all recent edits or just the latest)
 272                 if ( $opts['extended'] ) {
 273                         $limitWatchlist = $user->getIntOption( 'wllimit' );
 274                         $usePage = false;
 275                 } else {
 276                         # Top log Ids for a page are not stored
 277                         $nonRevisionTypes = [ RC_LOG ];
 278                         Hooks::run( 'SpecialWatchlistGetNonRevisionTypes', [ &$nonRevisionTypes ] );
 279                         if ( $nonRevisionTypes ) {
 280                                 $conds[] = $dbr->makeList(
 281                                         [
 282                                                 'rc_this_oldid=page_latest',
 283                                                 'rc_type' => $nonRevisionTypes,
 284                                         ],
 285                                         LIST_OR
 286                                 );
 287                         }
 288                         $limitWatchlist = 0;
 289                         $usePage = true;
 290                 }
 291
 292                 $tables = array_merge( [ 'recentchanges', 'watchlist' ], $tables );
 293                 $fields = array_merge( RecentChange::selectFields(), $fields );
 294
 295                 $query_options = array_merge( [ 'ORDER BY' => 'rc_timestamp DESC' ], $query_options );
 296                 $join_conds = array_merge(
 297                         [
 298                                 'watchlist' => [
 299                                         'INNER JOIN',
 300                                         [
 301                                                 'wl_user' => $user->getId(),
 302                                                 'wl_namespace=rc_namespace',
 303                                                 'wl_title=rc_title'
 304                                         ],
 305                                 ],
 306                         ],
 307                         $join_conds
 308                 );
 309
 310                 if ( $this->getConfig()->get( 'ShowUpdatedMarker' ) ) {
 311                         $fields[] = 'wl_notificationtimestamp';
 312                 }
 313                 if ( $limitWatchlist ) {
 314                         $query_options['LIMIT'] = $limitWatchlist;
 315                 }
 316
 317                 $rollbacker = $user->isAllowed( 'rollback' );
 318                 if ( $usePage || $rollbacker ) {
 319                         $tables[] = 'page';
 320                         $join_conds['page'] = [ 'LEFT JOIN', 'rc_cur_id=page_id' ];
 321                         if ( $rollbacker ) {
 322                                 $fields[] = 'page_latest';
 323                         }
 324                 }
 325
 326                 // Log entries with DELETED_ACTION must not show up unless the user has
 327                 // the necessary rights.
 328                 if ( !$user->isAllowed( 'deletedhistory' ) ) {
 329                         $bitmask = LogPage::DELETED_ACTION;
 330                 } elseif ( !$user->isAllowedAny( 'suppressrevision', 'viewsuppressed' ) ) {
 331                         $bitmask = LogPage::DELETED_ACTION | LogPage::DELETED_RESTRICTED;
 332                 } else {
 333                         $bitmask = 0;
 334                 }
 335                 if ( $bitmask ) {
 336                         $conds[] = $dbr->makeList( [
 337                                 'rc_type != ' . RC_LOG,
 338                                 $dbr->bitAnd( 'rc_deleted', $bitmask ) . " != $bitmask",
 339                         ], LIST_OR );
 340                 }
 341
 342                 ChangeTags::modifyDisplayQuery(
 343                         $tables,
 344                         $fields,
 345                         $conds,
 346                         $join_conds,
 347                         $query_options,
 348                         ''
 349                 );
 350
 351                 $this->runMainQueryHook( $tables, $fields, $conds, $query_options, $join_conds, $opts );
 352
 353                 return $dbr->select(
 354                         $tables,
 355                         $fields,
 356                         $conds,
 357                         __METHOD__,
 358                         $query_options,
 359                         $join_conds
 360                 );
 361         }
 362
 363         protected function runMainQueryHook( &$tables, &$fields, &$conds, &$query_options,
 364                 &$join_conds, $opts
 365         ) {
 366                 return parent::runMainQueryHook( $tables, $fields, $conds, $query_options, $join_conds, $opts )
 367                         && Hooks::run(
 368                                 'SpecialWatchlistQuery',
 369                                 [ &$conds, &$tables, &$join_conds, &$fields, $opts ],
 370                                 '1.23'
 371                         );
 372         }
 373
 374         /**
 375          * Return a IDatabase object for reading
 376          *
 377          * @return IDatabase
 378          */
 379         protected function getDB() {
 380                 return wfGetDB( DB_REPLICA, 'watchlist' );
 381         }
 382
 383         /**
 384          * Output feed links.
 385          */
 386         public function outputFeedLinks() {
 387                 $user = $this->getUser();
 388                 $wlToken = $user->getTokenFromOption( 'watchlisttoken' );
 389                 if ( $wlToken ) {
 390                         $this->addFeedLinks( [
 391                                 'action' => 'feedwatchlist',
 392                                 'allrev' => 1,
 393                                 'wlowner' => $user->getName(),
 394                                 'wltoken' => $wlToken,
 395                         ] );
 396                 }
 397         }
 398
 399         /**
 400          * Build and output the actual changes list.
 401          *
 402          * @param ResultWrapper $rows Database rows
 403          * @param FormOptions $opts
 404          */
 405         public function outputChangesList( $rows, $opts ) {
 406                 $dbr = $this->getDB();
 407                 $user = $this->getUser();
 408                 $output = $this->getOutput();
 409
 410                 # Show a message about replica DB lag, if applicable
 411                 $lag = wfGetLB()->safeGetLag( $dbr );
 412                 if ( $lag > 0 ) {
 413                         $output->showLagWarning( $lag );
 414                 }
 415
 416                 # If no rows to display, show message before try to render the list
 417                 if ( $rows->numRows() == 0 ) {
 418                         $output->wrapWikiMsg(
 419                                 "<div class='mw-changeslist-empty'>\n$1\n</div>", 'recentchanges-noresult'
 420                         );
 421                         return;
 422                 }
 423
 424                 $dbr->dataSeek( $rows, 0 );
 425
 426                 $list = ChangesList::newFromContext( $this->getContext(), $this->filterGroups );
 427                 $list->setWatchlistDivs();
 428                 $list->initChangesListRows( $rows );
 429                 $dbr->dataSeek( $rows, 0 );
 430
 431                 if ( $this->getConfig()->get( 'RCShowWatchingUsers' )
 432                         && $user->getOption( 'shownumberswatching' )
 433                 ) {
 434                         $watchedItemStore = MediaWikiServices::getInstance()->getWatchedItemStore();
 435                 }
 436
 437                 $s = $list->beginRecentChangesList();
 438                 $userShowHiddenCats = $this->getUser()->getBoolOption( 'showhiddencats' );
 439                 $counter = 1;
 440                 foreach ( $rows as $obj ) {
 441                         # Make RC entry
 442                         $rc = RecentChange::newFromRow( $obj );
 443
 444                         # Skip CatWatch entries for hidden cats based on user preference
 445                         if (
 446                                 $rc->getAttribute( 'rc_type' ) == RC_CATEGORIZE &&
 447                                 !$userShowHiddenCats &&
 448                                 $rc->getParam( 'hidden-cat' )
 449                         ) {
 450                                 continue;
 451                         }
 452
 453                         $rc->counter = $counter++;
 454
 455                         if ( $this->getConfig()->get( 'ShowUpdatedMarker' ) ) {
 456                                 $updated = $obj->wl_notificationtimestamp;
 457                         } else {
 458                                 $updated = false;
 459                         }
 460
 461                         if ( isset( $watchedItemStore ) ) {
 462                                 $rcTitleValue = new TitleValue( (int)$obj->rc_namespace, $obj->rc_title );
 463                                 $rc->numberofWatchingusers = $watchedItemStore->countWatchers( $rcTitleValue );
 464                         } else {
 465                                 $rc->numberofWatchingusers = 0;
 466                         }
 467
 468                         $changeLine = $list->recentChangesLine( $rc, $updated, $counter );
 469                         if ( $changeLine !== false ) {
 470                                 $s .= $changeLine;
 471                         }
 472                 }
 473                 $s .= $list->endRecentChangesList();
 474
 475                 $output->addHTML( $s );
 476         }
 477
 478         /**
 479          * Set the text to be displayed above the changes
 480          *
 481          * @param FormOptions $opts
 482          * @param int $numRows Number of rows in the result to show after this header
 483          */
 484         public function doHeader( $opts, $numRows ) {
 485                 $user = $this->getUser();
 486                 $out = $this->getOutput();
 487
 488                 $out->addSubtitle(
 489                         $this->msg( 'watchlistfor2', $user->getName() )
 490                                 ->rawParams( SpecialEditWatchlist::buildTools(
 491                                         $this->getLanguage(),
 492                                         $this->getLinkRenderer()
 493                                 ) )
 494                 );
 495
 496                 $this->setTopText( $opts );
 497
 498                 $lang = $this->getLanguage();
 499                 if ( $opts['days'] > 0 ) {
 500                         $days = $opts['days'];
 501                 } else {
 502                         $days = $this->getConfig()->get( 'RCMaxAge' ) / ( 3600 * 24 );
 503                 }
 504                 $timestamp = wfTimestampNow();
 505                 $wlInfo = $this->msg( 'wlnote' )->numParams( $numRows, round( $days * 24 ) )->params(
 506                         $lang->userDate( $timestamp, $user ), $lang->userTime( $timestamp, $user )
 507                 )->parse() . "<br />\n";
 508
 509                 $nondefaults = $opts->getChangedValues();
 510                 $cutofflinks = $this->msg( 'wlshowtime' ) . ' ' . $this->cutoffselector( $opts );
 511
 512                 # Spit out some control panel links
 513                 $links = [];
 514                 $context = $this->getContext();
 515                 $namesOfDisplayedFilters = [];
 516                 foreach ( $this->getFilterGroups() as $groupName => $group ) {
 517                         if ( !$group->isPerGroupRequestParameter() ) {
 518                                 foreach ( $group->getFilters() as $filterName => $filter ) {
 519                                         if ( $filter->displaysOnUnstructuredUi( $this ) ) {
 520                                                 $namesOfDisplayedFilters[] = $filterName;
 521                                                 $links[] = $this->showHideCheck(
 522                                                         $nondefaults,
 523                                                         $filter->getShowHide(),
 524                                                         $filterName,
 525                                                         $opts[$filterName]
 526                                                 );
 527                                         }
 528                                 }
 529                         }
 530                 }
 531
 532                 $hiddenFields = $nondefaults;
 533                 $hiddenFields['action'] = 'submit';
 534                 unset( $hiddenFields['namespace'] );
 535                 unset( $hiddenFields['invert'] );
 536                 unset( $hiddenFields['associated'] );
 537                 unset( $hiddenFields['days'] );
 538                 foreach ( $namesOfDisplayedFilters as $filterName ) {
 539                         unset( $hiddenFields[$filterName] );
 540                 }
 541
 542                 # Create output
 543                 $form = '';
 544
 545                 # Namespace filter and put the whole form together.
 546                 $form .= $wlInfo;
 547                 $form .= $cutofflinks;
 548                 $form .= $this->msg( 'watchlist-hide' ) .
 549                         $this->msg( 'colon-separator' )->escaped() .
 550                         implode( ' ', $links );
 551                 $form .= "\n<br />\n";
 552                 $form .= Html::namespaceSelector(
 553                         [
 554                                 'selected' => $opts['namespace'],
 555                                 'all' => '',
 556                                 'label' => $this->msg( 'namespace' )->text()
 557                         ], [
 558                                 'name' => 'namespace',
 559                                 'id' => 'namespace',
 560                                 'class' => 'namespaceselector',
 561                         ]
 562                 ) . "\n";
 563                 $form .= '<span class="mw-input-with-label">' . Xml::checkLabel(
 564                         $this->msg( 'invert' )->text(),
 565                         'invert',
 566                         'nsinvert',
 567                         $opts['invert'],
 568                         [ 'title' => $this->msg( 'tooltip-invert' )->text() ]
 569                 ) . "</span>\n";
 570                 $form .= '<span class="mw-input-with-label">' . Xml::checkLabel(
 571                         $this->msg( 'namespace_association' )->text(),
 572                         'associated',
 573                         'nsassociated',
 574                         $opts['associated'],
 575                         [ 'title' => $this->msg( 'tooltip-namespace_association' )->text() ]
 576                 ) . "</span>\n";
 577                 $form .= Xml::submitButton( $this->msg( 'watchlist-submit' )->text() ) . "\n";
 578                 foreach ( $hiddenFields as $key => $value ) {
 579                         $form .= Html::hidden( $key, $value ) . "\n";
 580                 }
 581                 $form .= Xml::closeElement( 'fieldset' ) . "\n";
 582                 $form .= Xml::closeElement( 'form' ) . "\n";
 583                 $this->getOutput()->addHTML( $form );
 584
 585                 $this->setBottomText( $opts );
 586         }
 587
 588         function cutoffselector( $options ) {
 589                 // Cast everything to strings immediately, so that we know all of the values have the same
 590                 // precision, and can be compared with '==='. 2/24 has a few more decimal places than its
 591                 // default string representation, for example, and would confuse comparisons.
 592
 593                 // Misleadingly, the 'days' option supports hours too.
 594                 $days = array_map( 'strval', [ 1/24, 2/24, 6/24, 12/24, 1, 3, 7 ] );
 595
 596                 $userWatchlistOption = (string)$this->getUser()->getOption( 'watchlistdays' );
 597                 // add the user preference, if it isn't available already
 598                 if ( !in_array( $userWatchlistOption, $days ) && $userWatchlistOption !== '0' ) {
 599                         $days[] = $userWatchlistOption;
 600                 }
 601
 602                 $maxDays = (string)( $this->getConfig()->get( 'RCMaxAge' ) / ( 3600 * 24 ) );
 603                 // add the maximum possible value, if it isn't available already
 604                 if ( !in_array( $maxDays, $days ) ) {
 605                         $days[] = $maxDays;
 606                 }
 607
 608                 $selected = (string)$options['days'];
 609                 if ( $selected <= 0 ) {
 610                         $selected = $maxDays;
 611                 }
 612
 613                 // add the currently selected value, if it isn't available already
 614                 if ( !in_array( $selected, $days ) ) {
 615                         $days[] = $selected;
 616                 }
 617
 618                 $select = new XmlSelect( 'days', 'days', $selected );
 619
 620                 asort( $days );
 621                 foreach ( $days as $value ) {
 622                         if ( $value < 1 ) {
 623                                 $name = $this->msg( 'hours' )->numParams( $value * 24 )->text();
 624                         } else {
 625                                 $name = $this->msg( 'days' )->numParams( $value )->text();
 626                         }
 627                         $select->addOption( $name, $value );
 628                 }
 629
 630                 return $select->getHTML() . "\n<br />\n";
 631         }
 632
 633         function setTopText( FormOptions $opts ) {
 634                 $nondefaults = $opts->getChangedValues();
 635                 $form = "";
 636                 $user = $this->getUser();
 637
 638                 $numItems = $this->countItems();
 639                 $showUpdatedMarker = $this->getConfig()->get( 'ShowUpdatedMarker' );
 640
 641                 // Show watchlist header
 642                 $form .= "<p>";
 643                 if ( $numItems == 0 ) {
 644                         $form .= $this->msg( 'nowatchlist' )->parse() . "\n";
 645                 } else {
 646                         $form .= $this->msg( 'watchlist-details' )->numParams( $numItems )->parse() . "\n";
 647                         if ( $this->getConfig()->get( 'EnotifWatchlist' )
 648                                 && $user->getOption( 'enotifwatchlistpages' )
 649                         ) {
 650                                 $form .= $this->msg( 'wlheader-enotif' )->parse() . "\n";
 651                         }
 652                         if ( $showUpdatedMarker ) {
 653                                 $form .= $this->msg( 'wlheader-showupdated' )->parse() . "\n";
 654                         }
 655                 }
 656                 $form .= "</p>";
 657
 658                 if ( $numItems > 0 && $showUpdatedMarker ) {
 659                         $form .= Xml::openElement( 'form', [ 'method' => 'post',
 660                                 'action' => $this->getPageTitle()->getLocalURL(),
 661                                 'id' => 'mw-watchlist-resetbutton' ] ) . "\n" .
 662                         Xml::submitButton( $this->msg( 'enotif_reset' )->text(),
 663                                 [ 'name' => 'mw-watchlist-reset-submit' ] ) . "\n" .
 664                         Html::hidden( 'token', $user->getEditToken() ) . "\n" .
 665                         Html::hidden( 'reset', 'all' ) . "\n";
 666                         foreach ( $nondefaults as $key => $value ) {
 667                                 $form .= Html::hidden( $key, $value ) . "\n";
 668                         }
 669                         $form .= Xml::closeElement( 'form' ) . "\n";
 670                 }
 671
 672                 $form .= Xml::openElement( 'form', [
 673                         'method' => 'get',
 674                         'action' => wfScript(),
 675                         'id' => 'mw-watchlist-form'
 676                 ] );
 677                 $form .= Html::hidden( 'title', $this->getPageTitle()->getPrefixedText() );
 678                 $form .= Xml::fieldset(
 679                         $this->msg( 'watchlist-options' )->text(),
 680                         false,
 681                         [ 'id' => 'mw-watchlist-options' ]
 682                 );
 683
 684                 $form .= $this->makeLegend();
 685
 686                 $this->getOutput()->addHTML( $form );
 687         }
 688
 689         protected function showHideCheck( $options, $message, $name, $value ) {
 690                 $options[$name] = 1 - (int)$value;
 691
 692                 return '<span class="mw-input-with-label">' . Xml::checkLabel(
 693                         $this->msg( $message, '' )->text(),
 694                         $name,
 695                         $name,
 696                         (int)$value
 697                 ) . '</span>';
 698         }
 699
 700         /**
 701          * Count the number of paired items on a user's watchlist.
 702          * The assumption made here is that when a subject page is watched a talk page is also watched.
 703          * Hence the number of individual items is halved.
 704          *
 705          * @return int
 706          */
 707         protected function countItems() {
 708                 $store = MediaWikiServices::getInstance()->getWatchedItemStore();
 709                 $count = $store->countWatchedItems( $this->getUser() );
 710                 return floor( $count / 2 );
 711         }
 712 }