mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Echo
synced 2024-12-02 19:36:48 +00:00
134 lines
3.1 KiB
PHP
134 lines
3.1 KiB
PHP
<?php
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use MediaWiki\Revision\RevisionRecord;
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/**
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* Component that represents a section of a page to be used from EchoEventPresentationModel subclass.
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*/
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class EchoPresentationModelSection {
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/**
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* @var string|false|null
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*/
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private $rawSectionTitle = null;
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/**
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* @var string|false|null
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*/
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private $parsedSectionTitle = null;
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/**
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* @var EchoEvent
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*/
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private $event;
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/**
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* @var User
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*/
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private $user;
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/**
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* @var Language
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*/
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private $language;
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/**
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* @param EchoEvent $event
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* @param User $user
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* @param Language $language
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*/
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public function __construct( EchoEvent $event, User $user, Language $language ) {
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$this->event = $event;
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$this->user = $user;
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$this->language = $language;
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}
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/**
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* Get the raw (unparsed) section title
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* @return string|false Section title
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*/
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private function getRawSectionTitle() {
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if ( $this->rawSectionTitle !== null ) {
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return $this->rawSectionTitle;
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}
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$sectionTitle = $this->event->getExtraParam( 'section-title' );
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if ( !$sectionTitle ) {
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$this->rawSectionTitle = false;
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return false;
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}
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// Check permissions
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if ( !$this->event->userCan( RevisionRecord::DELETED_TEXT, $this->user ) ) {
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$this->rawSectionTitle = false;
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return false;
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}
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$this->rawSectionTitle = $sectionTitle;
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return $this->rawSectionTitle;
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}
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/**
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* Get the section title parsed to plain text
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* @return string|false Section title (plain text)
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*/
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private function getParsedSectionTitle() {
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if ( $this->parsedSectionTitle !== null ) {
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return $this->parsedSectionTitle;
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}
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$rawSectionTitle = $this->getRawSectionTitle();
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if ( !$rawSectionTitle ) {
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$this->parsedSectionTitle = false;
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return false;
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}
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$this->parsedSectionTitle = EchoDiscussionParser::getTextSnippet(
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$rawSectionTitle,
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$this->language,
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EchoDiscussionParser::DEFAULT_SNIPPET_LENGTH,
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$this->event->getTitle()
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);
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return $this->parsedSectionTitle;
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}
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/**
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* Check if there is a section.
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*
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* This also returns false if the revision is deleted,
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* even if there is a section, because the section can't
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* be viewed in that case.
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* @return bool Whether there is a section
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*/
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public function exists() {
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return (bool)$this->getRawSectionTitle();
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}
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/**
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* Get a Title pointing to the section, if available.
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* @return Title
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*/
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public function getTitleWithSection() {
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$title = $this->event->getTitle();
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if ( $title === null ) {
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throw new MWException( 'Event #' . $this->event->getId() . ' with no title' );
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}
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$section = $this->getParsedSectionTitle();
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if ( $section ) {
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$fragment = substr( Parser::guessSectionNameFromStrippedText( $section ), 1 );
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$title = $title->createFragmentTarget( $fragment );
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}
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return $title;
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}
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/**
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* Get truncated section title, according to user's language.
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* You should only call this if EchoPresentationModelSection::exists returns true.
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* @return string
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*/
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public function getTruncatedSectionTitle() {
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return $this->language->embedBidi( $this->language->truncateForVisual(
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$this->getParsedSectionTitle(),
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EchoEventPresentationModel::SECTION_TITLE_RECOMMENDED_LENGTH,
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'...',
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false
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) );
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}
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}
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