<?php
/*=========================================================================
  Program:   CDash - Cross-Platform Dashboard System
  Module:    $Id$
  Language:  PHP
  Date:      $Date$
  Version:   $Revision$

  Copyright (c) Kitware, Inc. All rights reserved.
  See LICENSE or http://www.cdash.org/licensing/ for details.

  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE. See the above copyright notices for more information.
=========================================================================*/

class CoverageSummaryDiff
{
    public $LocTested;
    public $LocUntested;
    public $BuildId;

    public function Insert()
    {
        $row = pdo_single_row_query(
            'SELECT COUNT(1) FROM coveragesummarydiff
                WHERE buildid=' . qnum($this->BuildId));
        if ($row[0] > 0) {
            // UPDATE instead of INSERT if a row already exists.
            pdo_query(
                'UPDATE coveragesummarydiff SET
                    loctested=' . qnum($this->LocTested) . ',
                    locuntested=' . qnum($this->LocUntested) . '
                    WHERE buildid=' . qnum($this->BuildId));
        } else {
            pdo_query(
                'INSERT INTO coveragesummarydiff
                    (buildid,loctested,locuntested)
                    VALUES
                    (' . qnum($this->BuildId) . ',' . qnum($this->LocTested) . ',' . qnum($this->LocUntested) . ')');
        }
        add_last_sql_error('CoverageSummary:ComputeDifference');
    }

    /** Return whether or not a CoverageSummaryDiff exists for this build. */
    public function Exists()
    {
        if (!$this->BuildId) {
            return false;
        }

        $exists_result = pdo_single_row_query(
            'SELECT COUNT(1) AS numrows FROM coveragesummarydiff
                WHERE buildid=' . qnum($this->BuildId));

        if ($exists_result && array_key_exists('numrows', $exists_result)) {
            $numrows = $exists_result['numrows'];
            if ($numrows > 0) {
                return true;
            }
        }
        return false;
    }
}