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Commit 653e90e6 authored by ZHANG David's avatar ZHANG David
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code/manage_sessions.php 0 → 100644
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<?php
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
include 'config.php';
session_start();
if (!isset($_SESSION['user']) || $_SESSION['user']['role'] !== 'tutor') {
header('Location: login.php');
exit;
}
$user = $_SESSION['user'];
// Supprimer une session si une requête POST est envoyée
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
if (isset($_POST['delete_session_id'])) {
$session_id = $conn->real_escape_string($_POST['delete_session_id']);
// Supprimer les étudiants liés à cette session
$delete_students = $conn->prepare("DELETE FROM SessionStudent WHERE session_id = ?");
$delete_students->bind_param("i", $session_id);
$delete_students->execute();
// Supprimer la session elle-même
$delete_session = $conn->prepare("DELETE FROM Session WHERE id = ?");
$delete_session->bind_param("i", $session_id);
if ($delete_session->execute()) {
$success = "Session deleted successfully!";
} else {
$error = "Error deleting session: " . $conn->error;
}
$delete_students->close();
$delete_session->close();
}
if (isset($_POST['update_status_session_id'])) {
$session_id = $conn->real_escape_string($_POST['update_status_session_id']);
$new_status = $conn->real_escape_string($_POST['new_status']);
// Mettre à jour l'état de la session
$update_status = $conn->prepare("UPDATE Session SET status = ? WHERE id = ?");
$update_status->bind_param("si", $new_status, $session_id);
if ($update_status->execute()) {
$success = "Session status updated successfully!";
} else {
$error = "Error updating session status: " . $conn->error;
}
$update_status->close();
}
}
// Récupérer les sessions du tuteur avec le nombre d'étudiants inscrits et l'état
$sessions = [];
$sql = "
SELECT s.id, s.subject, s.start_time, s.end_time, s.status,
COUNT(ss.student_id) AS student_count
FROM Session s
LEFT JOIN SessionStudent ss ON s.id = ss.session_id
WHERE s.tutor_id = ?
GROUP BY s.id, s.subject, s.start_time, s.end_time, s.status
";
$stmt = $conn->prepare($sql);
$stmt->bind_param("i", $_SESSION['user']['id']);
$stmt->execute();
$result = $stmt->get_result();
while ($row = $result->fetch_assoc()) {
$sessions[] = $row;
}
$stmt->close();
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Manage Sessions</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<?php include 'sidebar.php'; ?>
<div class="main-content">
<div class="manage-sessions-page">
<h1>Manage Your Sessions</h1>
<?php if (isset($success)): ?>
<p class="success"><?= htmlspecialchars($success) ?></p>
<?php endif; ?>
<?php if (isset($error)): ?>
<p class="error"><?= htmlspecialchars($error) ?></p>
<?php endif; ?>
<?php if (!empty($sessions)): ?>
<table>
<thead>
<tr>
<th>Subject</th>
<th>Start Time</th>
<th>End Time</th>
<th>Number of Students</th>
<th>Status</th>
<th>Change Status</th>
<th>Actions</th>
</tr>
</thead>
<tbody>
<?php foreach ($sessions as $session): ?>
<tr>
<td><?= htmlspecialchars($session['subject']) ?></td>
<td><?= htmlspecialchars(date('d/m/Y H:i', strtotime($session['start_time']))) ?></td>
<td><?= htmlspecialchars(date('H:i', strtotime($session['end_time']))) ?></td>
<td><?= htmlspecialchars($session['student_count']) ?></td>
<td><?= htmlspecialchars($session['status']) ?></td>
<td>
<form method="POST" style="display:inline;">
<input type="hidden" name="update_status_session_id" value="<?= htmlspecialchars($session['id']) ?>">
<select name="new_status">
<option value="scheduled" <?= $session['status'] === 'scheduled' ? 'selected' : '' ?>>Scheduled</option>
<option value="Started" <?= $session['status'] === 'Started' ? 'selected' : '' ?>>Started</option>
<option value="Finish" <?= $session['status'] === 'Finish' ? 'selected' : '' ?>>Finish</option>
</select>
<button type="submit">Update</button>
</form>
</td>
<td>
<form method="POST" style="display:inline;">
<input type="hidden" name="delete_session_id" value="<?= htmlspecialchars($session['id']) ?>">
<button type="submit" onclick="return confirm('Are you sure you want to delete this session?')">Supprimer</button>
</form>
</td>
</tr>
<?php endforeach; ?>
</tbody>
</table>
<?php else: ?>
<p>Pas de sessions disponible</p>
<?php endif; ?>
</div>
</div>
</body>
</html>
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