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1<?php
2
3namespace MediaWiki\Extension\Thanks;
4
5use DatabaseLogEntry;
6use LogEntry;
7use LogFormatter;
8use LogPage;
9use MediaWiki\Extension\Notifications\Formatters\EchoEventPresentationModel;
10use MediaWiki\Language\RawMessage;
11use MediaWiki\MediaWikiServices;
12use MediaWiki\Parser\Sanitizer;
13use MediaWiki\Revision\RevisionRecord;
14use MediaWiki\SpecialPage\SpecialPage;
15
16class EchoCoreThanksPresentationModel extends EchoEventPresentationModel {
17    /** @var LogEntry|bool|null */
18    private $logEntry;
19
20    public function canRender() {
21        $hasTitle = (bool)$this->event->getTitle();
22        if ( $hasTitle && $this->getThankType() === 'log' ) {
23            $logEntry = $this->getLogEntry();
24            return $logEntry && !(
25                // the notification renders the message on Special:Log without the comment,
26                // so check $logEntry is not deleted, or only its comment is deleted
27                $logEntry->getDeleted() & ~LogPage::DELETED_COMMENT
28            );
29        }
30        return $hasTitle;
31    }
32
33    public function getIconType() {
34        return 'thanks';
35    }
36
37    public function getHeaderMessage() {
38        $type = $this->getThankType();
39        if ( $this->isBundled() ) {
40            // Message is either notification-bundle-header-rev-thank
41            // or notification-bundle-header-log-thank.
42            $msg = $this->msg( "notification-bundle-header-$type-thank" );
43            $msg->params( $this->getBundleCount() );
44            $msg->params( $this->getTruncatedTitleText( $this->event->getTitle(), true ) );
45            $msg->params( $this->getViewingUserForGender() );
46            return $msg;
47        } else {
48            if ( $this->event->getExtraParam( 'revcreation', null ) ) {
49                // This is a thank on a page creation revision.
50                $msg = $this->getMessageWithAgent( "notification-header-creation-thank" );
51            } else {
52                // Message is either notification-header-rev-thank or notification-header-log-thank.
53                $msg = $this->getMessageWithAgent( "notification-header-$type-thank" );
54            }
55            $msg->params( $this->getTruncatedTitleText( $this->event->getTitle(), true ) );
56            $msg->params( $this->getViewingUserForGender() );
57            return $msg;
58        }
59    }
60
61    public function getCompactHeaderMessage() {
62        // The following message is used here:
63        // * notification-compact-header-edit-thank
64        $msg = parent::getCompactHeaderMessage();
65        $msg->params( $this->getViewingUserForGender() );
66        return $msg;
67    }
68
69    public function getBodyMessage() {
70        $comment = $this->getRevOrLogComment();
71        if ( $comment !== '' ) {
72            $msg = new RawMessage( '$1' );
73            $msg->plaintextParams( $comment );
74            return $msg;
75        }
76        return false;
77    }
78
79    /**
80     * @return string|bool The comment or false if it could not be retrieved.
81     */
82    private function getRevisionEditSummary() {
83        if ( !$this->userCan( RevisionRecord::DELETED_COMMENT ) ) {
84            return false;
85        }
86
87        $revision = $this->event->getRevision();
88        if ( !$revision ) {
89            return false;
90        }
91
92        $summary = $revision->getComment( RevisionRecord::RAW );
93        return $summary ? $summary->text : false;
94    }
95
96    /**
97     * Get the comment/summary/excerpt of the log entry or revision,
98     * for use in the notification body.
99     * @return string
100     */
101    protected function getRevOrLogComment(): string {
102        if ( $this->event->getExtraParam( 'logid' ) ) {
103            $logEntry = $this->getLogEntry();
104            if ( !$logEntry ) {
105                return '';
106            }
107            $formatter = LogFormatter::newFromEntry( $logEntry );
108            $excerpt = $formatter->getPlainActionText();
109            // Turn wikitext into plaintext
110            $excerpt = MediaWikiServices::getInstance()->getCommentFormatter()->format( $excerpt );
111            return Sanitizer::stripAllTags( $excerpt );
112        } else {
113            // Try to get edit summary.
114            $summary = $this->getRevisionEditSummary();
115            if ( $summary !== false && $summary !== '' ) {
116                return $summary;
117            }
118            // Fallback on edit excerpt.
119            if ( $this->userCan( RevisionRecord::DELETED_TEXT ) ) {
120                return $this->event->getExtraParam( 'excerpt', '' );
121            }
122            return '';
123        }
124    }
125
126    public function getPrimaryLink() {
127        $logId = $this->event->getExtraParam( 'logid' );
128        if ( $logId ) {
129            $url = SpecialPage::getTitleFor( 'Log' )->getLocalURL( [ 'logid' => $logId ] );
130            $label = 'notification-link-text-view-logentry';
131        } else {
132            $url = $this->event->getTitle()->getLocalURL( [
133                'oldid' => 'prev',
134                'diff' => $this->event->getExtraParam( 'revid' )
135            ] );
136            $label = 'notification-link-text-view-edit';
137        }
138        return [
139            'url' => $url,
140            // Label is only used for non-JS clients.
141            'label' => $this->msg( $label )->text(),
142        ];
143    }
144
145    public function getSecondaryLinks() {
146        $pageLink = $this->getPageLink( $this->event->getTitle(), '', true );
147        if ( $this->isBundled() ) {
148            return [ $pageLink ];
149        } else {
150            return [ $this->getAgentLink(), $pageLink ];
151        }
152    }
153
154    /**
155     * @return LogEntry|false
156     */
157    private function getLogEntry() {
158        if ( $this->logEntry !== null ) {
159            return $this->logEntry;
160        }
161        $logId = $this->event->getExtraParam( 'logid' );
162        if ( !$logId ) {
163            $this->logEntry = false;
164        } else {
165            $dbr = MediaWikiServices::getInstance()->getConnectionProvider()->getReplicaDatabase();
166            $this->logEntry = DatabaseLogEntry::newFromId( $logId, $dbr ) ?: false;
167        }
168        return $this->logEntry;
169    }
170
171    /**
172     * Returns thank type
173     *
174     * @return string 'log' or 'rev'
175     */
176    private function getThankType() {
177        return $this->event->getExtraParam( 'logid' ) ? 'log' : 'rev';
178    }
179}