RevDelLogList.php

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<?php
class RevDelLogList extends RevDelList {
    public function getType() {
        return 'logging';
    }

    public static function getRelationType() {
        return 'log_id';
    }

    public static function getRestriction() {
        return 'deletelogentry';
    }

    public static function getRevdelConstant() {
        return LogPage::DELETED_ACTION;
    }

    public static function suggestTarget( $target, array $ids ) {
        $result = wfGetDB( DB_SLAVE )->select( 'logging',
            'log_type',
            array( 'log_id' => $ids ),
            __METHOD__,
            array( 'DISTINCT' )
        );
        if ( $result->numRows() == 1 ) {
            // If there's only one type, the target can be set to include it.
            return SpecialPage::getTitleFor( 'Log', $result->current()->log_type );
        }

        return SpecialPage::getTitleFor( 'Log' );
    }

    public function doQuery( $db ) {
        $ids = array_map( 'intval', $this->ids );

        return $db->select( 'logging', array(
                'log_id',
                'log_type',
                'log_action',
                'log_timestamp',
                'log_user',
                'log_user_text',
                'log_namespace',
                'log_title',
                'log_page',
                'log_comment',
                'log_params',
                'log_deleted'
            ),
            array( 'log_id' => $ids ),
            __METHOD__,
            array( 'ORDER BY' => 'log_id DESC' )
        );
    }

    public function newItem( $row ) {
        return new RevDelLogItem( $this, $row );
    }

    public function getSuppressBit() {
        return Revision::DELETED_RESTRICTED;
    }

    public function getLogAction() {
        return 'event';
    }

    public function getLogParams( $params ) {
        return array(
            implode( ',', $params['ids'] ),
            "ofield={$params['oldBits']}",
            "nfield={$params['newBits']}"
        );
    }
}