ProtectLogFormatter.php

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<?php
class ProtectLogFormatter extends LogFormatter {
    public function getPreloadTitles() {
        $subtype = $this->entry->getSubtype();
        if ( $subtype === 'move_prot' ) {
            $params = $this->extractParameters();
            return [ Title::newFromText( $params[3] ) ];
        }
        return [];
    }

    protected function getMessageKey() {
        $key = parent::getMessageKey();
        $params = $this->extractParameters();
        if ( isset( $params[4] ) && $params[4] ) {
            // Messages: logentry-protect-protect-cascade, logentry-protect-modify-cascade
            $key .= '-cascade';
        }

        return $key;
    }

    protected function getMessageParameters() {
        $params = parent::getMessageParameters();

        $subtype = $this->entry->getSubtype();
        if ( $subtype === 'protect' || $subtype === 'modify' ) {
            $rawParams = $this->entry->getParameters();
            if ( isset( $rawParams['details'] ) ) {
                $params[3] = $this->createProtectDescription( $rawParams['details'] );
            } elseif ( isset( $params[3] ) ) {
                // Old way of Restrictions and expiries
                $params[3] = $this->context->getLanguage()->getDirMark() . $params[3];
            } else {
                // Very old way (nothing set)
                $params[3] = '';
            }
            // Cascading flag
            if ( isset( $params[4] ) ) {
                // handled in getMessageKey
                unset( $params[4] );
            }
        } elseif ( $subtype === 'move_prot' ) {
            $oldname = $this->makePageLink( Title::newFromText( $params[3] ), [ 'redirect' => 'no' ] );
            $params[3] = Message::rawParam( $oldname );
        }

        return $params;
    }

    public function getActionLinks() {
        $subtype = $this->entry->getSubtype();
        if ( $this->entry->isDeleted( LogPage::DELETED_ACTION ) // Action is hidden
            || $subtype === 'move_prot' // the move log entry has the right action link
        ) {
            return '';
        }

        // Show history link for all changes after the protection
        $title = $this->entry->getTarget();
        $links = [
            Linker::link( $title,
                $this->msg( 'hist' )->escaped(),
                [],
                [
                    'action' => 'history',
                    'offset' => $this->entry->getTimestamp(),
                ]
            )
        ];

        // Show change protection link
        if ( $this->context->getUser()->isAllowed( 'protect' ) ) {
            $links[] = Linker::linkKnown(
                $title,
                $this->msg( 'protect_change' )->escaped(),
                [],
                [ 'action' => 'protect' ]
            );
        }

        return $this->msg( 'parentheses' )->rawParams(
            $this->context->getLanguage()->pipeList( $links ) )->escaped();
    }

    protected function getParametersForApi() {
        $entry = $this->entry;
        $subtype = $this->entry->getSubtype();
        $params = $entry->getParameters();

        $map = [];
        if ( $subtype === 'protect' || $subtype === 'modify' ) {
            $map = [
                '4::description',
                '5:bool:cascade',
                'details' => ':array:details',
            ];
        } elseif ( $subtype === 'move_prot' ) {
            $map = [
                '4:title:oldtitle',
                '4::oldtitle' => '4:title:oldtitle',
            ];
        }
        foreach ( $map as $index => $key ) {
            if ( isset( $params[$index] ) ) {
                $params[$key] = $params[$index];
                unset( $params[$index] );
            }
        }

        // Change string to explicit boolean
        if ( isset( $params['5:bool:cascade'] ) && is_string( $params['5:bool:cascade'] ) ) {
            $params['5:bool:cascade'] = $params['5:bool:cascade'] === 'cascade';
        }

        return $params;
    }

    public function formatParametersForApi() {
        global $wgContLang;

        $ret = parent::formatParametersForApi();
        if ( isset( $ret['details'] ) && is_array( $ret['details'] ) ) {
            foreach ( $ret['details'] as &$detail ) {
                if ( isset( $detail['expiry'] ) ) {
                    $detail['expiry'] = $wgContLang->formatExpiry( $detail['expiry'], TS_ISO_8601, 'infinite' );
                }
            }
        }

        return $ret;
    }

    public function createProtectDescription( array $details ) {
        $protectDescription = '';

        foreach ( $details as $param ) {
            $expiryText = $this->formatExpiry( $param['expiry'] );

            // Messages: restriction-edit, restriction-move, restriction-create,
            // restriction-upload
            $action = $this->context->msg( 'restriction-' . $param['type'] )->escaped();

            $protectionLevel = $param['level'];
            // Messages: protect-level-autoconfirmed, protect-level-sysop
            $message = $this->context->msg( 'protect-level-' . $protectionLevel );
            if ( $message->isDisabled() ) {
                // Require "$1" permission
                $restrictions = $this->context->msg( "protect-fallback", $protectionLevel )->parse();
            } else {
                $restrictions = $message->escaped();
            }

            if ( $protectDescription !== '' ) {
                $protectDescription .= $this->context->msg( 'word-separator' )->escaped();
            }

            $protectDescription .= $this->context->msg( 'protect-summary-desc' )
                ->params( $action, $restrictions, $expiryText )->escaped();
        }

        return $protectDescription;
    }

    private function formatExpiry( $expiry ) {
        if ( wfIsInfinity( $expiry ) ) {
            return $this->context->msg( 'protect-expiry-indefinite' )->text();
        }
        $lang = $this->context->getLanguage();
        $user = $this->context->getUser();
        return $this->context->msg(
            'protect-expiring-local',
            $lang->userTimeAndDate( $expiry, $user ),
            $lang->userDate( $expiry, $user ),
            $lang->userTime( $expiry, $user )
        )->text();
    }

}