school-management-system/admin_view_exams.php at main · errorcodegh/school-management-system · GitHub

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<?php
session_start();
require "config.php";

if (!isset($_SESSION['id']) || $_SESSION['role'] !== 'admin') {
    die("Access denied");
}

/* --------------------------------
   FETCH EXAMS (NO duration column)
--------------------------------- */
$exams = $pdo->query("
    SELECT
        e.id,
        e.title,
        e.start_at,
        e.end_at,
        e.created_at,
        d.name AS department_name
    FROM exams e
    LEFT JOIN departments d ON e.department_id = d.id
    ORDER BY e.start_at DESC
")->fetchAll(PDO::FETCH_ASSOC);
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Admin | Exams Management</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">

<style>
body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background: #f4f6f9;
}

.container {
    padding: 30px;
}

h2 {
    margin-bottom: 20px;
    font-size: 22px;
}

/* Card */
.card {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 6px 18px rgba(0,0,0,.05);
}

/* Table */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 14px;
    border-bottom: 1px solid #eee;
    font-size: 14px;
}

.table th {
    background: #f9fafb;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.table tr:hover {
    background: #f3f4f6;
}

/* Status badge */
.badge {
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.badge.upcoming { background:#e0f2fe; color:#0369a1; }
.badge.active   { background:#dcfce7; color:#166534; }
.badge.closed   { background:#fee2e2; color:#991b1b; }

/* Actions */
.actions {
    text-align: right;
    white-space: nowrap;
}

.btn {
    padding: 7px 12px;
    border-radius: 6px;
    border: none;
    font-size: 13px;
    cursor: pointer;
}

.btn-view   { background:#2563eb; color:#fff; }
.btn-edit   { background:#f59e0b; color:#fff; }
.btn-delete { background:#dc2626; color:#fff; }

.close-btn {
    background: #2563eb;
    color: #fff;
    padding: 10px 14px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
}

@media (max-width: 768px) {
    .container { padding: 15px; }
}
</style>
</head>

<body>

<div class="container">
<span class="close-btn" title="Close" onclick="window.location='student_dashboard.php'">&times;</span>

    <h2>Examinations Management</h2>

    <div class="card">
        <table class="table">
            <thead>
                <tr>
                    <th>#</th>
                    <th>Exam Title</th>
                    <th>Department</th>
                    <th>Start Time</th>
                    <th>End Time</th>
                    <th>Status</th>
                    <th style="text-align:right;">Actions</th>
                </tr>
            </thead>
            <tbody>

            <?php if (!$exams): ?>
                <tr>
                    <td colspan="7">No exams found.</td>
                </tr>
            <?php else: ?>
                <?php foreach ($exams as $i => $e): ?>

                <?php
                    $now = date("Y-m-d H:i:s");

                    if ($e['start_at'] && $e['start_at'] > $now) {
                        $status = "upcoming";
                        $label  = "Upcoming";
                    } elseif ($e['end_at'] && $e['end_at'] < $now) {
                        $status = "closed";
                        $label  = "Closed";
                    } else {
                        $status = "active";
                        $label  = "Active";
                    }
                ?>

                <tr>
                    <td><?= $i + 1 ?></td>

                    <td><?= htmlspecialchars($e['title']) ?></td>

                    <td><?= htmlspecialchars($e['department_name'] ?? 'All Departments') ?></td>

                    <td>
                        <?= $e['start_at'] ? date("d M Y H:i", strtotime($e['start_at'])) : '—' ?>
                    </td>

                    <td>
                        <?= $e['end_at'] ? date("d M Y H:i", strtotime($e['end_at'])) : '—' ?>
                    </td>

                    <td>
                        <span class="badge <?= $status ?>">
                            <?= $label ?>
                        </span>
                    </td>

                    <td class="actions">
                        <a href="view_exam.php?id=<?= $e['id'] ?>" class="btn btn-view">View</a>
                        <a href="edit_exam.php?id=<?= $e['id'] ?>" class="btn btn-edit">Edit</a>
                        <a href="delete_exam.php?id=<?= $e['id'] ?>" class="btn btn-delete"
                           onclick="return confirm('Delete this exam?')">
                           Delete
                        </a>
                    </td>
                </tr>

                <?php endforeach; ?>
            <?php endif; ?>

            </tbody>
        </table>
    </div>

</div>

</body>
</html>