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<?php /** * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * http://www.gnu.org/copyleft/gpl.html * * @file */ use MediaWiki\CommentFormatter\RowCommentFormatter; use MediaWiki\Context\ContextSource; use MediaWiki\Context\IContextSource; use MediaWiki\Context\RequestContext; use MediaWiki\HookContainer\HookRunner; use MediaWiki\HookContainer\ProtectedHookAccessorTrait; use MediaWiki\Html\Html; use MediaWiki\Language\Language; use MediaWiki\Linker\Linker; use MediaWiki\Linker\LinkRenderer; use MediaWiki\MainConfigNames; use MediaWiki\MediaWikiServices; use MediaWiki\Pager\PagerTools; use MediaWiki\Parser\Sanitizer; use MediaWiki\Permissions\Authority; use MediaWiki\Revision\MutableRevisionRecord; use MediaWiki\Revision\RevisionRecord; use MediaWiki\Title\Title; use MediaWiki\User\User; use MediaWiki\User\UserIdentityValue; use MediaWiki\Watchlist\WatchedItem; use OOUI\IconWidget; use Wikimedia\Rdbms\IResultWrapper; /** * Base class for lists of recent changes shown on special pages. * * This is used via ChangesListSpecialPage by recent changes (SpecialRecentChanges), * related changes (SpecialRecentChangesLinked), and watchlist (SpecialWatchlist). * * @ingroup RecentChanges */ class ChangesList extends ContextSource { use ProtectedHookAccessorTrait; public const CSS_CLASS_PREFIX = 'mw-changeslist-'; /** @var bool */ protected $watchlist = false; /** @var string */ protected $lastdate; /** @var string[] */ protected $message; /** @var array */ protected $rc_cache; /** @var int */ protected $rcCacheIndex; /** @var bool */ protected $rclistOpen; /** @var int */ protected $rcMoveIndex; /** @var callable */ protected $changeLinePrefixer; /** @var MapCacheLRU */ protected $watchMsgCache; /** * @var LinkRenderer */ protected $linkRenderer; /** * @var RowCommentFormatter */ protected $commentFormatter; /** * @var string[] Comments indexed by rc_id */ protected $formattedComments; /** * @var ChangesListFilterGroup[] */ protected $filterGroups; /** * @var MapCacheLRU */ protected $tagsCache; /** * @var MapCacheLRU */ protected $userLinkCache; private LogFormatterFactory $logFormatterFactory; /** * @param IContextSource $context * @param ChangesListFilterGroup[] $filterGroups Array of ChangesListFilterGroup objects (currently optional) */ public function __construct( $context, array $filterGroups = [] ) { $this->setContext( $context ); $this->preCacheMessages(); $this->watchMsgCache = new MapCacheLRU( 50 ); $this->filterGroups = $filterGroups; $services = MediaWikiServices::getInstance(); $this->linkRenderer = $services->getLinkRenderer(); $this->commentFormatter = $services->getRowCommentFormatter(); $this->logFormatterFactory = $services->getLogFormatterFactory(); $this->tagsCache = new MapCacheLRU( 50 ); $this->userLinkCache = new MapCacheLRU( 50 ); } /** * Fetch an appropriate changes list class for the specified context * Some users might want to use an enhanced list format, for instance * * @param IContextSource $context * @param array $groups Array of ChangesListFilterGroup objects (currently optional) * @return ChangesList */ public static function newFromContext( IContextSource $context, array $groups = [] ) { $user = $context->getUser(); $sk = $context->getSkin(); $services = MediaWikiServices::getInstance(); $list = null; if ( ( new HookRunner( $services->getHookContainer() ) )->onFetchChangesList( $user, $sk, $list, $groups ) ) { $userOptionsLookup = $services->getUserOptionsLookup(); $new = $context->getRequest()->getBool( 'enhanced', $userOptionsLookup->getBoolOption( $user, 'usenewrc' ) ); return $new ? new EnhancedChangesList( $context, $groups ) : new OldChangesList( $context, $groups ); } else { return $list; } } /** * Format a line * * @since 1.27 * * @param RecentChange &$rc Passed by reference * @param bool $watched (default false) * @param int|null $linenumber (default null) * * @return string|bool */ public function recentChangesLine( &$rc, $watched = false, $linenumber = null ) { throw new RuntimeException( 'recentChangesLine should be implemented' ); } /** * Get the container for highlights that are used in the new StructuredFilters * system * * @return string HTML structure of the highlight container div */ protected function getHighlightsContainerDiv() { $highlightColorDivs = ''; foreach ( [ 'none', 'c1', 'c2', 'c3', 'c4', 'c5' ] as $color ) { $highlightColorDivs .= Html::rawElement( 'div', [ 'class' => 'mw-rcfilters-ui-highlights-color-' . $color, 'data-color' => $color ] ); } return Html::rawElement( 'div', [ 'class' => 'mw-rcfilters-ui-highlights' ], $highlightColorDivs ); } /** * Sets the list to use a "<li class='watchlist-(namespace)-(page)'>" tag * @param bool $value */ public function setWatchlistDivs( $value = true ) { $this->watchlist = $value; } /** * @return bool True when setWatchlistDivs has been called * @since 1.23 */ public function isWatchlist() { return (bool)$this->watchlist; } /** * As we use the same small set of messages in various methods and that * they are called often, we call them once and save them in $this->message */ private function preCacheMessages() { if ( !isset( $this->message ) ) { $this->message = []; foreach ( [ 'cur', 'diff', 'hist', 'enhancedrc-history', 'last', 'blocklink', 'history', 'semicolon-separator', 'pipe-separator', 'word-separator' ] as $msg ) { $this->message[$msg] = $this->msg( $msg )->escaped(); } } } /** * Returns the appropriate flags for new page, minor change and patrolling * @param array $flags Associative array of 'flag' => Bool * @param string $nothing To use for empty space * @return string */ public function recentChangesFlags( $flags, $nothing = "\u{00A0}" ) { $f = ''; foreach ( $this->getConfig()->get( MainConfigNames::RecentChangesFlags ) as $flag => $_ ) { $f .= isset( $flags[$flag] ) && $flags[$flag] ? self::flag( $flag, $this->getContext() ) : $nothing; } return $f; } /** * Get an array of default HTML class attributes for the change. * * @param RecentChange|RCCacheEntry $rc * @param string|bool $watched Optionally timestamp for adding watched class * * @return string[] List of CSS class names */ protected function getHTMLClasses( $rc, $watched ) { $classes = [ self::CSS_CLASS_PREFIX . 'line' ]; $logType = $rc->mAttribs['rc_log_type']; if ( $logType ) { $classes[] = self::CSS_CLASS_PREFIX . 'log'; $classes[] = Sanitizer::escapeClass( self::CSS_CLASS_PREFIX . 'log-' . $logType ); } else { $classes[] = self::CSS_CLASS_PREFIX . 'edit'; $classes[] = Sanitizer::escapeClass( self::CSS_CLASS_PREFIX . 'ns' . $rc->mAttribs['rc_namespace'] . '-' . $rc->mAttribs['rc_title'] ); } // Indicate watched status on the line to allow for more // comprehensive styling. $classes[] = $watched && $rc->mAttribs['rc_timestamp'] >= $watched ? self::CSS_CLASS_PREFIX . 'line-watched' : self::CSS_CLASS_PREFIX . 'line-not-watched'; $classes = array_merge( $classes, $this->getHTMLClassesForFilters( $rc ) ); return $classes; } /** * Get an array of CSS classes attributed to filters for this row. Used for highlighting * in the front-end. * * @param RecentChange $rc * @return string[] Array of CSS classes */ protected function getHTMLClassesForFilters( $rc ) { $classes = []; $classes[] = Sanitizer::escapeClass( self::CSS_CLASS_PREFIX . 'ns-' . $rc->mAttribs['rc_namespace'] ); $nsInfo = MediaWikiServices::getInstance()->getNamespaceInfo(); $classes[] = Sanitizer::escapeClass( self::CSS_CLASS_PREFIX . 'ns-' . ( $nsInfo->isTalk( $rc->mAttribs['rc_namespace'] ) ? 'talk' : 'subject' ) ); foreach ( $this->filterGroups as $filterGroup ) { foreach ( $filterGroup->getFilters() as $filter ) { $filter->applyCssClassIfNeeded( $this, $rc, $classes ); } } return $classes; } /** * Make an "<abbr>" element for a given change flag. The flag indicating a new page, minor edit, * bot edit, or unpatrolled edit. In English it typically contains "N", "m", "b", or "!". * * Styling for these flags is provided through mediawiki.interface.helpers.styles. * * @param string $flag One key of $wgRecentChangesFlags * @param IContextSource|null $context * @return string HTML */ public static function flag( $flag, ?IContextSource $context = null ) { static $map = [ 'minoredit' => 'minor', 'botedit' => 'bot' ]; static $flagInfos = null; if ( $flagInfos === null ) { $recentChangesFlags = MediaWikiServices::getInstance()->getMainConfig() ->get( MainConfigNames::RecentChangesFlags ); $flagInfos = []; foreach ( $recentChangesFlags as $key => $value ) { $flagInfos[$key]['letter'] = $value['letter']; $flagInfos[$key]['title'] = $value['title']; // Allow customized class name, fall back to flag name $flagInfos[$key]['class'] = $value['class'] ?? $key; } } $context = $context ?: RequestContext::getMain(); // Inconsistent naming, kept for b/c if ( isset( $map[$flag] ) ) { $flag = $map[$flag]; } $info = $flagInfos[$flag]; return Html::element( 'abbr', [ 'class' => $info['class'], 'title' => wfMessage( $info['title'] )->setContext( $context )->text(), ], wfMessage( $info['letter'] )->setContext( $context )->text() ); } /** * Returns text for the start of the tabular part of RC * @return string */ public function beginRecentChangesList() { $this->rc_cache = []; $this->rcMoveIndex = 0; $this->rcCacheIndex = 0; $this->lastdate = ''; $this->rclistOpen = false; $this->getOutput()->addModuleStyles( [ 'mediawiki.interface.helpers.styles', 'mediawiki.special.changeslist' ] ); return '<div class="mw-changeslist">'; } /** * @param IResultWrapper|stdClass[] $rows */ public function initChangesListRows( $rows ) { $this->getHookRunner()->onChangesListInitRows( $this, $rows ); $this->formattedComments = $this->commentFormatter->createBatch() ->comments( $this->commentFormatter->rows( $rows ) ->commentKey( 'rc_comment' ) ->namespaceField( 'rc_namespace' ) ->titleField( 'rc_title' ) ->indexField( 'rc_id' ) ) ->useBlock() ->execute(); } /** * Show formatted char difference * * Needs the css module 'mediawiki.special.changeslist' to style output * * @param int $old Number of bytes * @param int $new Number of bytes * @param IContextSource|null $context * @return string */ public static function showCharacterDifference( $old, $new, ?IContextSource $context = null ) { if ( !$context ) { $context = RequestContext::getMain(); } $new = (int)$new; $old = (int)$old; $szdiff = $new - $old; $lang = $context->getLanguage(); $config = $context->getConfig(); $code = $lang->getCode(); static $fastCharDiff = []; if ( !isset( $fastCharDiff[$code] ) ) { $fastCharDiff[$code] = $config->get( MainConfigNames::MiserMode ) || $context->msg( 'rc-change-size' )->plain() === '$1'; } $formattedSize = $lang->formatNum( $szdiff ); if ( !$fastCharDiff[$code] ) { $formattedSize = $context->msg( 'rc-change-size', $formattedSize )->text(); } if ( abs( $szdiff ) > abs( $config->get( MainConfigNames::RCChangedSizeThreshold ) ) ) { $tag = 'strong'; } else { $tag = 'span'; } if ( $szdiff === 0 ) { $formattedSizeClass = 'mw-plusminus-null'; } elseif ( $szdiff > 0 ) { $formattedSize = '+' . $formattedSize; $formattedSizeClass = 'mw-plusminus-pos'; } else { $formattedSizeClass = 'mw-plusminus-neg'; } $formattedSizeClass .= ' mw-diff-bytes'; $formattedTotalSize = $context->msg( 'rc-change-size-new' )->numParams( $new )->text(); return Html::element( $tag, [ 'dir' => 'ltr', 'class' => $formattedSizeClass, 'title' => $formattedTotalSize ], $formattedSize ); } /** * Format the character difference of one or several changes. * * @param RecentChange $old * @param RecentChange|null $new Last change to use, if not provided, $old will be used * @return string HTML fragment */ public function formatCharacterDifference( RecentChange $old, ?RecentChange $new = null ) { $oldlen = $old->mAttribs['rc_old_len']; if ( $new ) { $newlen = $new->mAttribs['rc_new_len']; } else { $newlen = $old->mAttribs['rc_new_len']; } if ( $oldlen === null || $newlen === null ) { return ''; } return self::showCharacterDifference( $oldlen, $newlen, $this->getContext() ); } /** * Returns text for the end of RC * @return string */ public function endRecentChangesList() { $out = $this->rclistOpen ? "</ul>\n" : ''; $out .= '</div>'; return $out; } /** * Render the date and time of a revision in the current user language * based on whether the user is able to view this information or not. * @param RevisionRecord $rev * @param Authority $performer * @param Language $lang * @param Title|null $title (optional) where Title does not match * the Title associated with the RevisionRecord * @param string $className (optional) to append to .mw-changelist-date element for access to the * associated timestamp string. * @internal For usage by Pager classes only (e.g. HistoryPager, NewPagesPager and ContribsPager). * @return string HTML */ public static function revDateLink( RevisionRecord $rev, Authority $performer, Language $lang, $title = null, $className = '' ) { $ts = $rev->getTimestamp(); $time = $lang->userTime( $ts, $performer->getUser() ); $date = $lang->userTimeAndDate( $ts, $performer->getUser() ); $class = trim( 'mw-changeslist-date ' . $className ); if ( $rev->userCan( RevisionRecord::DELETED_TEXT, $performer ) ) { $link = Html::rawElement( 'bdi', [ 'dir' => $lang->getDir() ], MediaWikiServices::getInstance()->getLinkRenderer()->makeKnownLink( $title ?? $rev->getPageAsLinkTarget(), $date, [ 'class' => $class ], [ 'oldid' => $rev->getId() ] ) ); } else { $link = htmlspecialchars( $date ); } if ( $rev->isDeleted( RevisionRecord::DELETED_TEXT ) ) { $class = Linker::getRevisionDeletedClass( $rev ) . " $class"; $link = "<span class=\"$class\">$link</span>"; } return Html::element( 'span', [ 'class' => 'mw-changeslist-time' ], $time ) . $link; } /** * @param string &$s HTML to update * @param mixed $rc_timestamp */ public function insertDateHeader( &$s, $rc_timestamp ) { # Make date header if necessary $date = $this->getLanguage()->userDate( $rc_timestamp, $this->getUser() ); if ( $date != $this->lastdate ) { if ( $this->lastdate != '' ) { $s .= "</ul>\n"; } $s .= Html::element( 'h4', [], $date ) . "\n<ul class=\"special\">"; $this->lastdate = $date; $this->rclistOpen = true; } } /** * @param string &$s HTML to update * @param Title $title * @param string $logtype * @param bool $useParentheses (optional) Wrap log entry in parentheses where needed */ public function insertLog( &$s, $title, $logtype, $useParentheses = true ) { $page = new LogPage( $logtype ); $logname = $page->getName()->setContext( $this->getContext() )->text(); $link = $this->linkRenderer->makeKnownLink( $title, $logname, [ 'class' => $useParentheses ? '' : 'mw-changeslist-links' ] ); if ( $useParentheses ) { $s .= $this->msg( 'parentheses' )->rawParams( $link )->escaped(); } else { $s .= $link; } } /** * @param string &$s HTML to update * @param RecentChange &$rc * @param bool|null $unpatrolled Unused variable, since 1.27. */ public function insertDiffHist( &$s, &$rc, $unpatrolled = null ) { # Diff link if ( $rc->mAttribs['rc_type'] == RC_NEW || $rc->mAttribs['rc_type'] == RC_LOG || $rc->mAttribs['rc_type'] == RC_CATEGORIZE ) { $diffLink = $this->message['diff']; } elseif ( !self::userCan( $rc, RevisionRecord::DELETED_TEXT, $this->getAuthority() ) ) { $diffLink = $this->message['diff']; } else { $query = [ 'curid' => $rc->mAttribs['rc_cur_id'], 'diff' => $rc->mAttribs['rc_this_oldid'], 'oldid' => $rc->mAttribs['rc_last_oldid'] ]; $diffLink = $this->linkRenderer->makeKnownLink( $rc->getTitle(), new HtmlArmor( $this->message['diff'] ), [ 'class' => 'mw-changeslist-diff' ], $query ); } if ( $rc->mAttribs['rc_type'] == RC_CATEGORIZE ) { $histLink = $this->message['hist']; } else { $histLink = $this->linkRenderer->makeKnownLink( $rc->getTitle(), new HtmlArmor( $this->message['hist'] ), [ 'class' => 'mw-changeslist-history' ], [ 'curid' => $rc->mAttribs['rc_cur_id'], 'action' => 'history' ] ); } $s .= Html::rawElement( 'span', [ 'class' => 'mw-changeslist-links' ], Html::rawElement( 'span', [], $diffLink ) . Html::rawElement( 'span', [], $histLink ) ) . ' <span class="mw-changeslist-separator"></span> '; } /** * Get the HTML link to the changed page, possibly with a prefix from hook handlers, and a * suffix for temporarily watched items. * * @param RecentChange &$rc * @param bool $unpatrolled * @param bool $watched * @return string HTML * @since 1.26 */ public function getArticleLink( &$rc, $unpatrolled, $watched ) { $params = []; if ( $rc->getTitle()->isRedirect() ) { $params = [ 'redirect' => 'no' ]; } $articlelink = $this->linkRenderer->makeLink( $rc->getTitle(), null, [ 'class' => 'mw-changeslist-title' ], $params ); if ( static::isDeleted( $rc, RevisionRecord::DELETED_TEXT ) ) { $class = 'history-deleted'; if ( static::isDeleted( $rc, RevisionRecord::DELETED_RESTRICTED ) ) { $class .= ' mw-history-suppressed'; } $articlelink = '<span class="' . $class . '">' . $articlelink . '</span>'; } $dir = $this->getLanguage()->getDir(); $articlelink = Html::rawElement( 'bdi', [ 'dir' => $dir ], $articlelink ); # To allow for boldening pages watched by this user # Don't wrap result of this with another tag, see T376814 $articlelink = "<span class=\"mw-title\">{$articlelink}</span>"; # TODO: Deprecate the $s argument, it seems happily unused. $s = ''; $this->getHookRunner()->onChangesListInsertArticleLink( $this, $articlelink, $s, $rc, $unpatrolled, $watched ); // Watchlist expiry icon. $watchlistExpiry = ''; if ( isset( $rc->watchlistExpiry ) && $rc->watchlistExpiry ) { $watchlistExpiry = $this->getWatchlistExpiry( $rc ); } return "{$s} {$articlelink}{$watchlistExpiry}"; } /** * Get HTML to display the clock icon for watched items that have a watchlist expiry time. * @since 1.35 * @param RecentChange $recentChange * @return string The HTML to display an indication of the expiry time. */ public function getWatchlistExpiry( RecentChange $recentChange ): string { $item = WatchedItem::newFromRecentChange( $recentChange, $this->getUser() ); // Guard against expired items, even though they shouldn't come here. if ( $item->isExpired() ) { return ''; } $daysLeftText = $item->getExpiryInDaysText( $this->getContext() ); // Matching widget is also created in ChangesListSpecialPage, for the legend. $widget = new IconWidget( [ 'icon' => 'clock', 'title' => $daysLeftText, 'classes' => [ 'mw-changesList-watchlistExpiry' ], ] ); $widget->setAttributes( [ // Add labels for assistive technologies. 'role' => 'img', 'aria-label' => $this->msg( 'watchlist-expires-in-aria-label' )->text(), // Days-left is used in resources/src/mediawiki.special.changeslist.watchlistexpiry/watchlistexpiry.js 'data-days-left' => $item->getExpiryInDays(), ] ); // Add spaces around the widget (the page title is to one side, // and a semicolon or opening-parenthesis to the other). return " $widget "; } /** * Get the timestamp from $rc formatted with current user's settings * and a separator * * @param RecentChange $rc * @deprecated since 1.43; use revDateLink instead. * @return string HTML fragment */ public function getTimestamp( $rc ) { // This uses the semi-colon separator unless there's a watchlist expiry date for the entry, // because in that case the timestamp is preceded by a clock icon. // A space is important after `.mw-changeslist-separator--semicolon` to make sure // that whatever comes before it is distinguishable. // (Otherwise your have the text of titles pushing up against the timestamp) // A specific element is used for this purpose rather than styling `.mw-changeslist-date` // as the `.mw-changeslist-date` class is used in a variety // of other places with a different position and the information proceeding getTimestamp can vary. // The `.mw-changeslist-time` class allows us to distinguish from `.mw-changeslist-date` elements that // contain the full date (month, year) and adds consistency with Special:Contributions // and other pages. $separatorClass = $rc->watchlistExpiry ? 'mw-changeslist-separator' : 'mw-changeslist-separator--semicolon'; return Html::element( 'span', [ 'class' => $separatorClass ] ) . ' ' . '<span class="mw-changeslist-date mw-changeslist-time">' . htmlspecialchars( $this->getLanguage()->userTime( $rc->mAttribs['rc_timestamp'], $this->getUser() ) ) . '</span> <span class="mw-changeslist-separator"></span> '; } /** * Insert time timestamp string from $rc into $s * * @param string &$s HTML to update * @param RecentChange $rc */ public function insertTimestamp( &$s, $rc ) { $s .= $this->getTimestamp( $rc ); } /** * Insert links to user page, user talk page and eventually a blocking link * * @param string &$s HTML to update * @param RecentChange &$rc */ public function insertUserRelatedLinks( &$s, &$rc ) { if ( static::isDeleted( $rc, RevisionRecord::DELETED_USER ) ) { $deletedClass = 'history-deleted'; if ( static::isDeleted( $rc, RevisionRecord::DELETED_RESTRICTED ) ) { $deletedClass .= ' mw-history-suppressed'; } $s .= ' <span class="' . $deletedClass . '">' . $this->msg( 'rev-deleted-user' )->escaped() . '</span>'; } else { # Don't wrap result of this with another tag, see T376814 $s .= $this->userLinkCache->getWithSetCallback( $this->userLinkCache->makeKey( $rc->mAttribs['rc_user_text'], $this->getUser()->getName(), $this->getLanguage()->getCode() ), static function () use ( $rc ) { return Linker::userLink( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] ) . Linker::userToolLinks( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'], false, 0, null, // The text content of tools is not wrapped with parentheses or "piped". // This will be handled in CSS (T205581). false ); } ); } } /** * Insert a formatted action * * @param RecentChange $rc * @return string */ public function insertLogEntry( $rc ) { $formatter = $this->logFormatterFactory->newFromRow( $rc->mAttribs ); $formatter->setContext( $this->getContext() ); $formatter->setShowUserToolLinks( true ); $comment = $formatter->getComment(); if ( $comment !== '' ) { $dir = $this->getLanguage()->getDir(); $comment = Html::rawElement( 'bdi', [ 'dir' => $dir ], $comment ); } return Html::openElement( 'span', [ 'class' => 'mw-changeslist-log-entry' ] ) . $formatter->getActionText() . ' ' . $comment . $this->message['word-separator'] . $formatter->getActionLinks() . Html::closeElement( 'span' ); } /** * Insert a formatted comment * @param RecentChange $rc * @return string */ public function insertComment( $rc ) { if ( static::isDeleted( $rc, RevisionRecord::DELETED_COMMENT ) ) { $deletedClass = 'history-deleted'; if ( static::isDeleted( $rc, RevisionRecord::DELETED_RESTRICTED ) ) { $deletedClass .= ' mw-history-suppressed'; } return ' <span class="' . $deletedClass . ' comment">' . $this->msg( 'rev-deleted-comment' )->escaped() . '</span>'; } elseif ( isset( $rc->mAttribs['rc_id'] ) && isset( $this->formattedComments[$rc->mAttribs['rc_id']] ) ) { return $this->formattedComments[$rc->mAttribs['rc_id']]; } else { return $this->commentFormatter->formatBlock( $rc->mAttribs['rc_comment'], $rc->getTitle(), // Whether section links should refer to local page (using default false) false, // wikid to generate links for (using default null) */ null, // whether parentheses should be rendered as part of the message false ); } } /** * Returns the string which indicates the number of watching users * @param int $count Number of user watching a page * @return string */ protected function numberofWatchingusers( $count ) { if ( $count <= 0 ) { return ''; } return $this->watchMsgCache->getWithSetCallback( $this->watchMsgCache->makeKey( 'watching-users-msg', strval( $count ), $this->getUser()->getName(), $this->getLanguage()->getCode() ), function () use ( $count ) { return $this->msg( 'number-of-watching-users-for-recent-changes' ) ->numParams( $count )->escaped(); } ); } /** * Determine if said field of a revision is hidden * @param RCCacheEntry|RecentChange $rc * @param int $field One of DELETED_* bitfield constants * @return bool */ public static function isDeleted( $rc, $field ) { return ( $rc->mAttribs['rc_deleted'] & $field ) == $field; } /** * Determine if the current user is allowed to view a particular * field of this revision, if it's marked as deleted. * @param RCCacheEntry|RecentChange $rc * @param int $field * @param Authority|null $performer to check permissions against. If null, the global RequestContext's * User is assumed instead. * @return bool */ public static function userCan( $rc, $field, ?Authority $performer = null ) { $performer ??= RequestContext::getMain()->getAuthority(); if ( $rc->mAttribs['rc_type'] == RC_LOG ) { return LogEventsList::userCanBitfield( $rc->mAttribs['rc_deleted'], $field, $performer ); } return RevisionRecord::userCanBitfield( $rc->mAttribs['rc_deleted'], $field, $performer ); } /** * @param string $link * @param bool $watched * @return string */ protected function maybeWatchedLink( $link, $watched = false ) { if ( $watched ) { return '<strong class="mw-watched">' . $link . '</strong>'; } else { return '<span class="mw-rc-unwatched">' . $link . '</span>'; } } /** * Insert a rollback link * * @param string &$s * @param RecentChange &$rc */ public function insertRollback( &$s, &$rc ) { $this->insertPageTools( $s, $rc ); } /** * Insert an extensible set of page tools into the changelist row * which includes a rollback link and undo link if applicable. * * @param string &$s * @param RecentChange &$rc * */ private function insertPageTools( &$s, &$rc ) { // FIXME Some page tools (e.g. thanks) might make sense for log entries. if ( !in_array( $rc->mAttribs['rc_type'], [ RC_EDIT, RC_NEW ] ) // FIXME When would either of these not exist when type is RC_EDIT? Document. || !$rc->mAttribs['rc_this_oldid'] || !$rc->mAttribs['rc_cur_id'] ) { return; } // Construct a fake revision for PagerTools. FIXME can't we just obtain the real one? $title = $rc->getTitle(); $revRecord = new MutableRevisionRecord( $title ); $revRecord->setId( (int)$rc->mAttribs['rc_this_oldid'] ); $revRecord->setVisibility( (int)$rc->mAttribs['rc_deleted'] ); $user = new UserIdentityValue( (int)$rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] ); $revRecord->setUser( $user ); $tools = new PagerTools( $revRecord, null, // only show a rollback link on the top-most revision $rc->getAttribute( 'page_latest' ) == $rc->mAttribs['rc_this_oldid'] && $rc->mAttribs['rc_type'] != RC_NEW, $this->getHookRunner(), $title, $this->getContext(), // @todo: Inject MediaWikiServices::getInstance()->getLinkRenderer() ); $s .= $tools->toHTML(); } /** * @param RecentChange $rc * @return string * @since 1.26 */ public function getRollback( RecentChange $rc ) { $s = ''; $this->insertRollback( $s, $rc ); return $s; } /** * @param string &$s * @param RecentChange &$rc * @param string[] &$classes */ public function insertTags( &$s, &$rc, &$classes ) { if ( empty( $rc->mAttribs['ts_tags'] ) ) { return; } /** * Tags are repeated for a lot of the records, so during single run of RecentChanges, we * should cache those that were already processed as doing that for each record takes * significant amount of time. */ [ $tagSummary, $newClasses ] = $this->tagsCache->getWithSetCallback( $this->tagsCache->makeKey( $rc->mAttribs['ts_tags'], $this->getUser()->getName(), $this->getLanguage()->getCode() ), fn () => ChangeTags::formatSummaryRow( $rc->mAttribs['ts_tags'], 'changeslist', $this->getContext() ) ); $classes = array_merge( $classes, $newClasses ); $s .= ' ' . $tagSummary; } /** * @param RecentChange $rc * @param string[] &$classes * @return string * @since 1.26 */ public function getTags( RecentChange $rc, array &$classes ) { $s = ''; $this->insertTags( $s, $rc, $classes ); return $s; } public function insertExtra( &$s, &$rc, &$classes ) { // Empty, used for subclasses to add anything special. } protected function showAsUnpatrolled( RecentChange $rc ) { return self::isUnpatrolled( $rc, $this->getUser() ); } /** * @param stdClass|RecentChange $rc Database row from recentchanges or a RecentChange object * @param User $user * @return bool */ public static function isUnpatrolled( $rc, User $user ) { if ( $rc instanceof RecentChange ) { $isPatrolled = $rc->mAttribs['rc_patrolled']; $rcType = $rc->mAttribs['rc_type']; $rcLogType = $rc->mAttribs['rc_log_type']; } else { $isPatrolled = $rc->rc_patrolled; $rcType = $rc->rc_type; $rcLogType = $rc->rc_log_type; } if ( $isPatrolled ) { return false; } return $user->useRCPatrol() || ( $rcType == RC_NEW && $user->useNPPatrol() ) || ( $rcLogType === 'upload' && $user->useFilePatrol() ); } /** * Determines whether a revision is linked to this change; this may not be the case * when the categorization wasn't done by an edit but a conditional parser function * * @since 1.27 * * @param RecentChange|RCCacheEntry $rcObj * @return bool */ protected function isCategorizationWithoutRevision( $rcObj ) { return intval( $rcObj->getAttribute( 'rc_type' ) ) === RC_CATEGORIZE && intval( $rcObj->getAttribute( 'rc_this_oldid' ) ) === 0; } /** * Get recommended data attributes for a change line. * @param RecentChange $rc * @return string[] attribute name => value */ protected function getDataAttributes( RecentChange $rc ) { $attrs = []; $type = $rc->getAttribute( 'rc_source' ); switch ( $type ) { case RecentChange::SRC_EDIT: case RecentChange::SRC_CATEGORIZE: case RecentChange::SRC_NEW: $attrs['data-mw-revid'] = $rc->mAttribs['rc_this_oldid']; break; case RecentChange::SRC_LOG: $attrs['data-mw-logid'] = $rc->mAttribs['rc_logid']; $attrs['data-mw-logaction'] = $rc->mAttribs['rc_log_type'] . '/' . $rc->mAttribs['rc_log_action']; break; } $attrs[ 'data-mw-ts' ] = $rc->getAttribute( 'rc_timestamp' ); return $attrs; } /** * Sets the callable that generates a change line prefix added to the beginning of each line. * * @param callable $prefixer Callable to run that generates the change line prefix. * Takes three parameters: a RecentChange object, a ChangesList object, * and whether the current entry is a grouped entry. */ public function setChangeLinePrefixer( callable $prefixer ) { $this->changeLinePrefixer = $prefixer; } }
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