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Current File : /var/www/cesa.co.za/cceconvenors/exams.php

<?php
session_start(); // Initialize Session data
ob_start(); // Turn on output buffering
$Questionnaire_ID = intval($_REQUEST["qid"]);
?>
<?php include "ewcfg7.php" ?>
<?php include "ewmysql7.php" ?>
<?php include "phpfn7.php" ?>
<?php include "userfn7.php" ?>
<?php
if (!isset($_SESSION[EW_SESSION_STATUS]) || ($_SESSION[EW_SESSION_STATUS] != "login")) {
    header("Location: " . "http" . ($_SERVER["HTTPS"] == "on" ? "s" : "") . "://" . $_SERVER["HTTP_HOST"] . "/cceconvenors/login.php");
    die();
}
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // Always modified
header("Cache-Control: private, no-store, no-cache, must-revalidate"); // HTTP/1.1
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache"); // HTTP/1.0

$conni = mysqli_connect(EW_CONN_HOST, EW_CONN_USER, EW_CONN_PASS, EW_CONN_DB);

include_once($_SERVER['DOCUMENT_ROOT'] . "/cesanet/inc_shared.php");

$sql = "SELECT CCEExams.Questionnaire_Name, CCEExams.Score, CCEExams.MarkerUser, COUNT(CCEExamQuestions.Question_ID) AS NumQuestions
FROM CCEExams JOIN CCEExamQuestions USING (Questionnaire_ID)
WHERE CCEExams.Questionnaire_ID='" . $Questionnaire_ID . "'
GROUP BY Questionnaire_Name, Score, MarkerUser";
//echo $sql;
$rec = mysqli_query($conni, $sql);
if ($row = mysqli_fetch_assoc($rec)) {
    extract($row);
} else {
    die();
}

mysqli_free_result($rec);

$bUserCanMark = CCEConvenorAuth::canMarkExam($MarkerUser, $Questionnaire_ID);

$bUserCanMark = true;

//echo $_SESSION[EW_SESSION_USER_NAME];
$sql = "SELECT CCEStudents.CCEStudentID, CCEStudents.KnownAs, CCEStudents.FirstName, CCEStudents.Surname, SUM(CCEExamMarks.Question_Score) AS TotalScore,
    COUNT(CCEExamMarks.Question_ID) AS NumMarked, MAX(CCEExamMarks.DateMarked) AS DateMarked, CCEExamTiming.TimeStarted,
    CCEExamTiming.CCEExamTimingID, 
    (SELECT COUNT(CCEExamStudentAnswers.AnonAnswerID) FROM CCEExamStudentAnswers 
        WHERE CCEExamStudentAnswers.ExamTimingID = CCEExamTiming.CCEExamTimingID) AS NumAnswered
    FROM CCEStudents
    INNER JOIN CCEStudentCourses USING (CCEStudentID)
    INNER JOIN CCEExamTiming ON (CCEExamTiming.CCEStudentID=CCEStudents.CCEStudentID)
    LEFT JOIN CCEExamMarks ON (CCEStudents.CCEStudentID=CCEExamMarks.CCEStudentID 
    AND CCEExamMarks.Questionnaire_ID=CCEExamTiming.Questionnaire_ID AND CCEExamTiming.CCEExamTimingID = CCEExamMarks.ExamTimingID)
    WHERE CCEExamTiming.Questionnaire_ID=" . $Questionnaire_ID . "
    AND CCEStudents.CCEStudentID NOT IN (" . implode(',', getTestStudentIDs()) . ")
    GROUP BY CCEStudents.CCEStudentID, CCEStudents.KnownAs, CCEStudents.FirstName, CCEStudents.Surname, CCEExamTiming.TimeStarted,
    CCEExamTiming.CCEExamTimingID
    ORDER BY CCEExamTiming.TimeStarted DESC, " . CCEStudentDisplayOrder::sqlOrderByDisplayName('CCEStudents');

// echo 'Please ignore debug info: ' . $sql . '<br />';

$rec = mysqli_query($conni, $sql);
$dates = array();
$dateSelected = null;
$rows = array();

if (isset($_REQUEST['selectedDate']) && strlen($_REQUEST['selectedDate']) > 0) {
    $dateSelected = new DateTime($_REQUEST['selectedDate']);
}

while ($row = mysqli_fetch_assoc($rec)) {

//        echo $row['TimeStarted'] . '<br />';
    $date = new DateTime($row['TimeStarted']);
    $rows[] = $row;

    if (!in_array($date->format('d-M-Y'), $dates)) {
        $dates[] = $date->format('d-M-Y');
    }

    if (is_null($dateSelected)) {
        $dateSelected = $date;
    }
}
?>
<?php include "header.php" ?>
<h1><?php echo htmlspecialchars($Questionnaire_Name); ?></h1>
<table border=1 cellspacing=0 cellpadding=5 width="95%">
    <tr>
        <th colspan="5">
            <h4>Exam View Screen</h4>
        </th>
    </tr>
    <tr><td bgcolor="#EEEEEE"><b>Student</b></td><td bgcolor="#EEEEEE"><b>Overall Mark</b></td>
        <td bgcolor="#EEEEEE"><b>Date Marked</b></td><td bgcolor="#EEEEEE"><b>All Questions Marked?</b></td>
        <td bgcolor="#EEEEEE">
            <b>Select Exam Date:</b>
            <select name="examDate" id="examDate" onchange="window.location = 'exams.php?qid=<?php echo $Questionnaire_ID; ?>&selectedDate=' + document.getElementById('examDate').value;">
                <?php
                foreach ($dates as $oneDate) {
                    ?><option value="<?php echo $oneDate ?>"<?php
                    if ($dateSelected->format('d-M-Y') == $oneDate) {
                        echo ' selected';
                    }
                    ?>><?php echo $oneDate ?></option>
                            <?php
                        }
                        ?>
            </select>
        </td></tr>
    <?php
    $iClassTotal = 0;
    $iNumClass = 0;

    foreach ($rows as $row) {

        $date = new DateTime($row['TimeStarted']);

        if ($date->format('d-M-Y') != $dateSelected->format('d-M-Y')) {
            continue;
        }
        ?>
        <tr><td><?php echo $row["FirstName"] . " " . $row["Surname"]; ?></td>
            <td><?php
                if (!empty($row["DateMarked"])) {
                    echo round($row["TotalScore"] / $Score * 100, 1) . "%";
                    $iClassTotal += $row["TotalScore"];
                    $iNumClass++;
                }
                ?></td>
            <td>
                <?php echo (empty($row["DateMarked"]) ? "Not marked" : date("Y-m-d", strtotime($row["DateMarked"]))); ?>
            </td>
            <td>
                <?php
                if ($row["NumMarked"] < $row['NumAnswered']) {
                    echo "No";
                } else {
                    echo "Yes";
                }
                ?>
            </td>
            <td>
                <?php if ($bUserCanMark) { ?>
                    <a href="markexam.php?qid=<?php echo $Questionnaire_ID; ?>&st=<?php
                    echo $row["CCEStudentID"];
                    ?>&CCEExamTimingID=<?php echo $row['CCEExamTimingID'] ?>"><b>Mark Exam</b></a>
                   <?php } ?>
                   <a href="viewexam.php?qid=<?php echo $Questionnaire_ID; ?>&st=<?php echo $row["CCEStudentID"];
                       ?>&CCEExamTimingID=<?php echo $row['CCEExamTimingID'] ?>"><b>View Exam</b></a>
            </td>
        </tr>
        <?php
    }
    if ($iNumClass > 0) {
        ?>
        <tr>
            <td bgcolor="#EEEEEE"><b>Average</b></td><td colspan="4" 
                bgcolor="#EEEEEE"><?php echo round($iClassTotal / $iNumClass / $Score * 100, 1); ?>%</td>
        </tr>
        <?php
    }
    ?>
</table>
<?php include "footer.php" ?>