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Commit d02cc3fb authored by ZHANG David's avatar ZHANG David
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code/join_session.php 0 → 100644
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<?php
include 'config.php';
session_start();
if (!isset($_SESSION['user']) || $_SESSION['user']['role'] !== 'student') {
echo "<div class='container'><p class='error'>Access denied. Only students can join sessions.</p><a href='login.php'>Go back</a></div>";
exit;
}
$user = $_SESSION['user'];
$success_message = "";
$error_message = "";
// Vérifier si une requête POST est envoyée
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$session_id = $conn->real_escape_string($_POST['session_id']);
$student_id = $_SESSION['user']['id'];
// Vérifier si l'étudiant est déjà inscrit à la session
$check_sql = "SELECT * FROM SessionStudent WHERE session_id = '$session_id' AND student_id = '$student_id'";
$check_result = $conn->query($check_sql);
if ($check_result->num_rows > 0) {
$error_message = "You are already enrolled in this session.";
} else {
// Inscription à la session
$sql = "INSERT INTO SessionStudent (session_id, student_id) VALUES ('$session_id', '$student_id')";
if ($conn->query($sql) === TRUE) {
$success_message = "Successfully joined the session!";
} else {
$error_message = "Error: " . $conn->error;
}
}
}
// Récupérer les sessions disponibles
$sql = "SELECT s.id, s.subject, s.start_time, s.end_time, u.first_name, u.last_name
FROM Session s
JOIN User u ON s.tutor_id = u.id
WHERE s.status = 'scheduled'";
$result = $conn->query($sql);
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Join Session</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<?php include 'sidebar.php'; ?>
<div class="main-content">
<div class="join-session">
<h1>Rejoindre une session</h1>
<!-- Affichage des messages de succès ou d'erreur -->
<?php if ($success_message): ?>
<p class="success"><?= htmlspecialchars($success_message) ?></p>
<a href="welcome.php">Go back</a>
<?php elseif ($error_message): ?>
<p class="error"><?= htmlspecialchars($error_message) ?></p>
<a href="welcome.php">Go back</a>
<?php endif; ?>
<!-- Formulaire pour rejoindre une session -->
<?php if ($result && $result->num_rows > 0): ?>
<form method="POST">
<label for="session_id">Sessions disponibles:</label>
<select name="session_id" id="session_id" required>
<?php while ($row = $result->fetch_assoc()): ?>
<option value="<?= htmlspecialchars($row['id']) ?>">
<?= htmlspecialchars($row['subject']) ?>
(<?= date('d/m/Y H:i', strtotime($row['start_time'])) ?> - <?= date('H:i', strtotime($row['end_time'])) ?>)
by <?= htmlspecialchars($row['first_name']) . ' ' . htmlspecialchars($row['last_name']) ?>
</option>
<?php endwhile; ?>
</select>
<button type="submit">Join Session</button>
</form>
<?php else: ?>
<!-- Message si aucune session n'est disponible -->
<p class="error">Aucune session disponible pour le moment. Veuillez revenir plus tard.</p>
<?php endif; ?>
</div>
</div>
</body>
</html>
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