BlockLogFormatter.php

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<?php
class BlockLogFormatter extends LogFormatter {
    protected function getMessageParameters() {
        $params = parent::getMessageParameters();

        $title = $this->entry->getTarget();
        if ( substr( $title->getText(), 0, 1 ) === '#' ) {
            // autoblock - no user link possible
            $params[2] = $title->getText();
            $params[3] = ''; // no user name for gender use
        } else {
            // Create a user link for the blocked
            $username = $title->getText();
            // @todo Store the user identifier in the parameters
            // to make this faster for future log entries
            $targetUser = User::newFromName( $username, false );
            $params[2] = Message::rawParam( $this->makeUserLink( $targetUser, Linker::TOOL_LINKS_NOBLOCK ) );
            $params[3] = $username; // plain user name for gender use
        }

        $subtype = $this->entry->getSubtype();
        if ( $subtype === 'block' || $subtype === 'reblock' ) {
            if ( !isset( $params[4] ) ) {
                // Very old log entry without duration: means infinite
                $params[4] = 'infinite';
            }
            // Localize the duration, and add a tooltip
            // in English to help visitors from other wikis.
            // The lrm is needed to make sure that the number
            // is shown on the correct side of the tooltip text.
            $durationTooltip = '&lrm;' . htmlspecialchars( $params[4] );
            $params[4] = Message::rawParam( "<span class='blockExpiry' title='$durationTooltip'>" .
                $this->context->getLanguage()->translateBlockExpiry( $params[4],
                    $this->context->getUser() ) . '</span>' );
            $params[5] = isset( $params[5] ) ?
                self::formatBlockFlags( $params[5], $this->context->getLanguage() ) : '';
        }

        return $params;
    }

    protected function extractParameters() {
        $params = parent::extractParameters();
        // Legacy log params returning the params in index 3 and 4, moved to 4 and 5
        if ( $this->entry->isLegacy() && isset( $params[3] ) ) {
            if ( isset( $params[4] ) ) {
                $params[5] = $params[4];
            }
            $params[4] = $params[3];
            $params[3] = '';
        }
        return $params;
    }

    public function getPreloadTitles() {
        $title = $this->entry->getTarget();
        // Preload user page for non-autoblocks
        if ( substr( $title->getText(), 0, 1 ) !== '#' ) {
            return [ $title->getTalkPage() ];
        }
        return [];
    }

    public function getActionLinks() {
        $subtype = $this->entry->getSubtype();
        if ( $this->entry->isDeleted( LogPage::DELETED_ACTION ) // Action is hidden
            || !( $subtype === 'block' || $subtype === 'reblock' )
            || !$this->context->getUser()->isAllowed( 'block' )
        ) {
            return '';
        }

        // Show unblock/change block link
        $title = $this->entry->getTarget();
        $links = [
            Linker::linkKnown(
                SpecialPage::getTitleFor( 'Unblock', $title->getDBkey() ),
                $this->msg( 'unblocklink' )->escaped()
            ),
            Linker::linkKnown(
                SpecialPage::getTitleFor( 'Block', $title->getDBkey() ),
                $this->msg( 'change-blocklink' )->escaped()
            )
        ];

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

    public static function formatBlockFlags( $flags, $lang ) {
        $flags = trim( $flags );
        if ( $flags === '' ) {
            return ''; // nothing to do
        }
        $flags = explode( ',', $flags );
        $flagsCount = count( $flags );

        for ( $i = 0; $i < $flagsCount; $i++ ) {
            $flags[$i] = self::formatBlockFlag( $flags[$i], $lang );
        }

        return wfMessage( 'parentheses' )->inLanguage( $lang )
            ->rawParams( $lang->commaList( $flags ) )->escaped();
    }

    public static function formatBlockFlag( $flag, $lang ) {
        static $messages = [];

        if ( !isset( $messages[$flag] ) ) {
            $messages[$flag] = htmlspecialchars( $flag ); // Fallback

            // For grepping. The following core messages can be used here:
            // * block-log-flags-angry-autoblock
            // * block-log-flags-anononly
            // * block-log-flags-hiddenname
            // * block-log-flags-noautoblock
            // * block-log-flags-nocreate
            // * block-log-flags-noemail
            // * block-log-flags-nousertalk
            $msg = wfMessage( 'block-log-flags-' . $flag )->inLanguage( $lang );

            if ( $msg->exists() ) {
                $messages[$flag] = $msg->escaped();
            }
        }

        return $messages[$flag];
    }

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

        static $map = [
            // While this looks wrong to be starting at 5 rather than 4, it's
            // because getMessageParameters uses $4 for its own purposes.
            '5::duration',
            '6:array:flags',
            '6::flags' => '6:array:flags',
        ];
        foreach ( $map as $index => $key ) {
            if ( isset( $params[$index] ) ) {
                $params[$key] = $params[$index];
                unset( $params[$index] );
            }
        }

        $subtype = $entry->getSubtype();
        if ( $subtype === 'block' || $subtype === 'reblock' ) {
            // Defaults for old log entries missing some fields
            $params += [
                '5::duration' => 'infinite',
                '6:array:flags' => [],
            ];

            if ( !is_array( $params['6:array:flags'] ) ) {
                $params['6:array:flags'] = $params['6:array:flags'] === ''
                    ? []
                    : explode( ',', $params['6:array:flags'] );
            }

            if ( !wfIsInfinity( $params['5::duration'] ) ) {
                $ts = wfTimestamp( TS_UNIX, $entry->getTimestamp() );
                $expiry = strtotime( $params['5::duration'], $ts );
                if ( $expiry !== false && $expiry > 0 ) {
                    $params[':timestamp:expiry'] = $expiry;
                }
            }
        }

        return $params;
    }

    public function formatParametersForApi() {
        $ret = parent::formatParametersForApi();
        if ( isset( $ret['flags'] ) ) {
            ApiResult::setIndexedTagName( $ret['flags'], 'f' );
        }
        return $ret;
    }

}