mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/DiscussionTools
synced 2024-12-11 16:16:51 +00:00
301 lines
9.3 KiB
PHP
301 lines
9.3 KiB
PHP
<?php
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namespace MediaWiki\Extension\DiscussionTools;
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use InvalidArgumentException;
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use MediaWiki\Cache\LinkBatchFactory;
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use MediaWiki\Context\IContextSource;
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use MediaWiki\Extension\DiscussionTools\ThreadItem\DatabaseThreadItem;
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use MediaWiki\Html\Html;
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use MediaWiki\Linker\Linker;
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use MediaWiki\Linker\LinkRenderer;
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use MediaWiki\Pager\TablePager;
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use MediaWiki\Title\Title;
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use OOUI;
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class TopicSubscriptionsPager extends TablePager {
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/**
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* Map of our field names (see ::getFieldNames()) to the column names actually used for
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* pagination. This is needed to ensure that the values are unique, and that pagination
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* won't get "stuck" when e.g. 50 subscriptions are all created within a second.
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*/
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private const INDEX_FIELDS = [
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// The auto-increment ID will almost always have the same order as sub_created
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// and the field already has an index.
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'_topic' => [ 'sub_id' ],
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'sub_created' => [ 'sub_id' ],
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// TODO Add indexes that cover these fields to enable sorting by them
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// 'sub_state' => [ 'sub_state', 'sub_item' ],
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// 'sub_created' => [ 'sub_created', 'sub_item' ],
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// 'sub_notified' => [ 'sub_notified', 'sub_item' ],
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];
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private LinkBatchFactory $linkBatchFactory;
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private ThreadItemStore $threadItemStore;
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private ThreadItemFormatter $threadItemFormatter;
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/** @var array<string,DatabaseThreadItem[]> */
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private array $threadItemsByName = [];
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public function __construct(
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IContextSource $context,
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LinkRenderer $linkRenderer,
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LinkBatchFactory $linkBatchFactory,
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ThreadItemStore $threadItemStore,
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ThreadItemFormatter $threadItemFormatter
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) {
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parent::__construct( $context, $linkRenderer );
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$this->linkBatchFactory = $linkBatchFactory;
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$this->threadItemStore = $threadItemStore;
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$this->threadItemFormatter = $threadItemFormatter;
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}
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/**
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* @inheritDoc
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*/
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public function preprocessResults( $result ) {
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if ( !$result->numRows() ) {
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return;
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}
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$lb = $this->linkBatchFactory->newLinkBatch();
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$itemNames = [];
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foreach ( $result as $row ) {
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$lb->add( $row->sub_namespace, $row->sub_title );
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$itemNames[] = $row->sub_item;
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}
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$lb->execute();
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// Increased limit to allow finding and skipping over some bad permalinks
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$threadItems = $this->threadItemStore->findNewestRevisionsByName( $itemNames, $this->mLimit * 5 );
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foreach ( $threadItems as $threadItem ) {
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$this->threadItemsByName[ $threadItem->getName() ][] = $threadItem;
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}
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}
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/**
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* @inheritDoc
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*/
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protected function getFieldNames() {
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return [
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'_topic' => $this->msg( 'discussiontools-topicsubscription-pager-topic' )->text(),
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'_page' => $this->msg( 'discussiontools-topicsubscription-pager-page' )->text(),
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'sub_created' => $this->msg( 'discussiontools-topicsubscription-pager-created' )->text(),
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'sub_notified' => $this->msg( 'discussiontools-topicsubscription-pager-notified' )->text(),
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'_unsubscribe' => $this->msg( 'discussiontools-topicsubscription-pager-actions' )->text(),
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];
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}
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/**
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* @inheritDoc
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*/
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public function formatValue( $field, $value ) {
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/** @var stdClass $row */
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$row = $this->mCurrentRow;
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switch ( $field ) {
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case '_topic':
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return $this->formatValueTopic( $row );
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case '_page':
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return $this->formatValuePage( $row );
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case 'sub_created':
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return htmlspecialchars( $this->getLanguage()->userTimeAndDate( $value, $this->getUser() ) );
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case 'sub_notified':
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return $value ?
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htmlspecialchars( $this->getLanguage()->userTimeAndDate( $value, $this->getUser() ) ) :
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$this->msg( 'discussiontools-topicsubscription-pager-notified-never' )->escaped();
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case '_unsubscribe':
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$title = Title::makeTitleSafe( $row->sub_namespace, $row->sub_title );
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if ( !$title ) {
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// Handle invalid titles (T345648)
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// The title isn't checked when unsubscribing, as long as it's a valid title,
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// so specify something to make it possible to unsubscribe from the buggy entries.
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$title = Title::newMainPage();
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}
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return (string)new OOUI\ButtonWidget( [
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'label' => $this->msg( 'discussiontools-topicsubscription-pager-unsubscribe-button' )->text(),
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'classes' => [ 'ext-discussiontools-special-unsubscribe-button' ],
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'framed' => false,
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'flags' => [ 'destructive' ],
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'data' => [
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'item' => $row->sub_item,
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'title' => $title->getPrefixedText(),
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],
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'href' => $title->getLinkURL( [
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'action' => 'dtunsubscribe',
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'commentname' => $row->sub_item,
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] ),
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'infusable' => true,
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] );
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default:
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throw new InvalidArgumentException( "Unknown field '$field'" );
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}
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}
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/**
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* Format items as a HTML list, unless there's just one item, in which case return it unwrapped.
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* @param string[] $list HTML
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* @return string HTML
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*/
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private function maybeFormatAsList( array $list ): string {
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if ( count( $list ) === 1 ) {
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return $list[0];
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} else {
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foreach ( $list as &$item ) {
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$item = Html::rawElement( 'li', [], $item );
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}
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return Html::rawElement( 'ul', [], implode( '', $list ) );
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}
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}
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private function formatValuePage( \stdClass $row ): string {
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$linkRenderer = $this->getLinkRenderer();
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if ( isset( $this->threadItemsByName[ $row->sub_item ] ) ) {
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$items = [];
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foreach ( $this->threadItemsByName[ $row->sub_item ] as $threadItem ) {
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if ( $threadItem->isCanonicalPermalink() ) {
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$items[] = $this->threadItemFormatter->formatLine( $threadItem, $this );
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}
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}
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if ( $items ) {
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return $this->maybeFormatAsList( $items );
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}
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// Found items in the permalink database, but they're not good permalinks.
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// TODO: We could link to the full list on Special:FindComment here
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// (but we don't link it from the mw.notify message either, at the moment).
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}
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// Permalink not available - display a plain link to the page title at the time of subscription
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$title = Title::makeTitleSafe( $row->sub_namespace, $row->sub_title );
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if ( !$title ) {
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// Handle invalid titles (T345648)
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return Html::element( 'span', [ 'class' => 'mw-invalidtitle' ],
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Linker::getInvalidTitleDescription(
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$this->getContext(), $row->sub_namespace, $row->sub_title )
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);
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}
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return $linkRenderer->makeLink( $title );
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}
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private function formatValueTopic( \stdClass $row ): string {
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$linkRenderer = $this->getLinkRenderer();
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$sectionText = $row->sub_section;
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$sectionLink = $row->sub_section;
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// Detect truncated section titles: either intentionally truncated by SubscriptionStore,
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// or incorrect multibyte truncation of old entries (T345648).
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$last = mb_substr( $sectionText, -1 );
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if ( $last !== '' && ( $last === "\x1f" || mb_ord( $last ) === false ) ) {
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$sectionText = substr( $sectionText, 0, -strlen( $last ) ) . $this->msg( 'ellipsis' )->text();
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$sectionLink = null;
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}
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if ( str_starts_with( $row->sub_item, 'p-topics-' ) ) {
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return '<em>' .
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$this->msg( 'discussiontools-topicsubscription-pager-newtopics-label' )->escaped() .
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'</em>';
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}
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if ( isset( $this->threadItemsByName[ $row->sub_item ] ) ) {
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$items = [];
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foreach ( $this->threadItemsByName[ $row->sub_item ] as $threadItem ) {
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if ( $threadItem->isCanonicalPermalink() ) {
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// TODO: Can we extract the current topic title out of $threadItem->getId() sometimes,
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// instead of always using the topic title at the time of subscription? (T295431)
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$items[] = $this->threadItemFormatter->makeLink( $threadItem, $sectionText );
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}
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}
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if ( $items ) {
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return $this->maybeFormatAsList( $items );
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}
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// Found items in the permalink database, but they're not good permalinks.
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// TODO: We could link to the full list on Special:FindComment here
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// (but we don't link it from the mw.notify message either, at the moment).
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}
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// Permalink not available - display a plain link to the section at the time of subscription
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if ( !$sectionLink ) {
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// We can't link to the section correctly, since the only link we have is truncated
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return htmlspecialchars( $sectionText );
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}
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$titleSection = Title::makeTitleSafe( $row->sub_namespace, $row->sub_title, $sectionLink );
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if ( !$titleSection ) {
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// Handle invalid titles of any other kind, just in case
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return htmlspecialchars( $sectionText );
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}
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return $linkRenderer->makeLink( $titleSection, $sectionText );
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}
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/**
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* @inheritDoc
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*/
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protected function getCellAttrs( $field, $value ) {
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$attrs = parent::getCellAttrs( $field, $value );
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if ( $field === '_unsubscribe' ) {
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$attrs['style'] = 'text-align: center;';
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}
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return $attrs;
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}
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/**
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* @inheritDoc
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*/
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public function getQueryInfo() {
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return [
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'tables' => [
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'discussiontools_subscription',
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],
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'fields' => [
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'sub_id',
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'sub_item',
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'sub_namespace',
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'sub_title',
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'sub_section',
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'sub_created',
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'sub_notified',
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],
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'conds' => [
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'sub_user' => $this->getUser()->getId(),
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$this->getDatabase()->expr( 'sub_state', '!=', SubscriptionStore::STATE_UNSUBSCRIBED ),
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],
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];
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}
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/**
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* @inheritDoc
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*/
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public function getDefaultSort() {
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return 'sub_created';
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}
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/**
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* @inheritDoc
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*/
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public function getDefaultDirections() {
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return static::DIR_DESCENDING;
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}
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/**
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* @inheritDoc
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*/
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public function getIndexField() {
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return [ static::INDEX_FIELDS[$this->mSort] ];
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}
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/**
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* @inheritDoc
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*/
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protected function isFieldSortable( $field ) {
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// Hide the sort button for "Topic" as it is more accurately shown as "Created"
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return isset( static::INDEX_FIELDS[$field] ) && $field !== '_topic';
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}
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}
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