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