203 lines
10 KiB
PHP
203 lines
10 KiB
PHP
<?php
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require_once __DIR__ . '/includes/auth_check.php';
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require_once __DIR__ . '/db/config.php';
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$message = '';
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$error = '';
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$school_id = $_SESSION['school_id'];
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// Handle POST request to add a new teacher
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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$teacherName = trim($_POST['teacher_name'] ?? '');
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$teacherEmail = trim($_POST['teacher_email'] ?? '');
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$can_edit_workload = isset($_POST['can_edit_workload']) ? 1 : 0;
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if (empty($teacherName) || empty($teacherEmail)) {
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$error = 'Teacher name and email cannot be empty.';
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} elseif (!filter_var($teacherEmail, FILTER_VALIDATE_EMAIL)) {
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$error = 'Invalid email format.';
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} else {
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try {
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$pdo = db();
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$pdo->beginTransaction();
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// Check if user with this email already exists
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$stmt = $pdo->prepare("SELECT id FROM users WHERE email = ?");
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$stmt->execute([$teacherEmail]);
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if ($stmt->fetch()) {
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$error = 'A user with this email already exists.';
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$pdo->rollBack();
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} else {
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// Generate a random password
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$password = bin2hex(random_bytes(8));
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$hashed_password = password_hash($password, PASSWORD_DEFAULT);
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// Create a user account for the teacher
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$stmt = $pdo->prepare("INSERT INTO users (username, password, email, school_id, role) VALUES (?, ?, ?, ?, 'teacher')");
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$stmt->execute([$teacherEmail, $hashed_password, $teacherEmail, $school_id]);
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$user_id = $pdo->lastInsertId();
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// Create the teacher
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$stmt = $pdo->prepare("INSERT INTO teachers (name, user_id, school_id, can_edit_workload) VALUES (?, ?, ?, ?)");
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if ($stmt->execute([$teacherName, $user_id, $school_id, $can_edit_workload])) {
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$pdo->commit();
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$message = 'Teacher "' . htmlspecialchars($teacherName) . '" created successfully! Their password is: ' . $password;
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} else {
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$error = 'Failed to create teacher.';
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$pdo->rollBack();
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}
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}
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} catch (PDOException $e) {
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if ($e->errorInfo[1] == 1062) { // Duplicate entry
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$error = 'Error: A teacher with this email already exists.';
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} else {
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$error = 'Database error: ' . $e->getMessage();
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}
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if ($pdo->inTransaction()) {
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$pdo->rollBack();
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}
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}
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}
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}
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// Fetch all teachers to display
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$teachers = [];
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try {
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$pdo = db();
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$stmt = $pdo->prepare("SELECT t.id, t.name, u.email, t.can_edit_workload, t.created_at FROM teachers t JOIN users u ON t.user_id = u.id WHERE t.school_id = ? ORDER BY t.created_at DESC");
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$stmt->execute([$school_id]);
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$teachers = $stmt->fetchAll(PDO::FETCH_ASSOC);
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} catch (PDOException $e) {
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$error = 'Database error: ' . $e->getMessage();
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}
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Admin: Manage Teachers - Haki Schedule</title>
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
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<link rel="stylesheet" href="assets/css/custom.css?v=<?php echo time(); ?>">
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</head>
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<body>
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<nav class="navbar navbar-expand-lg navbar-light bg-white sticky-top shadow-sm">
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<div class="container">
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<a class="navbar-brand fw-bold" href="/">Haki Schedule</a>
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<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
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<span class="navbar-toggler-icon"></span>
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</button>
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<div class="collapse navbar-collapse" id="navbarNav">
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<ul class="navbar-nav ms-auto">
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<li class="nav-item"><a class="nav-link" href="/">Home</a></li>
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<?php if (isset($_SESSION['user_id'])): ?>
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<li class="nav-item dropdown">
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<a class="nav-link dropdown-toggle active" href="#" id="manageDropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
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Manage
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</a>
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<ul class="dropdown-menu" aria-labelledby="manageDropdown">
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<li><a class="dropdown-item" href="/admin_classes.php">Classes</a></li>
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<li><a class="dropdown-item" href="/admin_subjects.php">Subjects</a></li>
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<li><a class="dropdown-item active" href="/admin_teachers.php">Teachers</a></li>
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<li><a class="dropdown-item" href="/admin_workloads.php">Workloads</a></li>
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<li><a class="dropdown-item" href="/admin_timeslots.php">Timeslots</a></li>
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</ul>
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</li>
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<li class="nav-item"><a class="nav-link" href="/timetable.php">Class Timetable</a></li>
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<li class="nav-item"><a class="nav-link" href="/teacher_timetable.php">Teacher Timetable</a></li>
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<li class="nav-item"><a class="nav-link" href="/logout.php">Logout</a></li>
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<?php else: ?>
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<li class="nav-item"><a class="nav-link" href="/demo.php">Demo</a></li>
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<li class="nav-item"><a class="nav-link" href="/login.php">Login</a></li>
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<li class="nav-item"><a class="nav-link" href="/register.php">Register</a></li>
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<?php endif; ?>
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</ul>
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</div>
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</div>
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</nav>
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<main class="container py-5">
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<div class="row justify-content-center">
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<div class="col-lg-8">
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<h1 class="h2 fw-bold mb-4">Manage Teachers</h1>
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<?php if ($message): ?>
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<div class="alert alert-success"><?php echo $message; ?></div>
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<?php endif; ?>
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<?php if ($error): ?>
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<div class="alert alert-danger"><?php echo $error; ?></div>
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<?php endif; ?>
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<!-- Create Teacher Form -->
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<div class="card mb-4">
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<div class="card-body">
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<h5 class="card-title">Create a New Teacher</h5>
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<form action="admin_teachers.php" method="POST">
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<div class="mb-3">
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<label for="teacher_name" class="form-label">Teacher Name</label>
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<input type="text" class="form-control" id="teacher_name" name="teacher_name" placeholder="e.g., John Doe" required>
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</div>
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<div class="mb-3">
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<label for="teacher_email" class="form-label">Teacher Email</label>
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<input type="email" class="form-control" id="teacher_email" name="teacher_email" placeholder="e.g., john.doe@example.com" required>
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</div>
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<div class="mb-3 form-check">
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<input type="checkbox" class="form-check-input" id="can_edit_workload" name="can_edit_workload" value="1">
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<label class="form-check-label" for="can_edit_workload">Can edit their own workload</label>
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</div>
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<button type="submit" class="btn btn-primary">Create Teacher</button>
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</form>
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</div>
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</div>
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<!-- Existing Teachers List -->
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<div class="card">
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<div class="card-body">
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<h5 class="card-title">Existing Teachers</h5>
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<?php if (empty($teachers) && !$error): ?>
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<p class="text-muted">No teachers have been created yet. Use the form above to add the first one.</p>
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<?php else:
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if(!empty($teachers)) : ?>
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<div class="table-responsive">
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<table class="table table-striped">
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<thead>
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<tr>
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<th>Name</th>
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<th>Email</th>
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<th>Can Edit Workload</th>
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<th>Created</th>
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<th>Actions</th>
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</tr>
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</thead>
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<tbody>
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<?php foreach ($teachers as $teacher): ?>
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<tr>
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<td><?php echo htmlspecialchars($teacher['name']); ?></td>
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<td><?php echo htmlspecialchars($teacher['email']); ?></td>
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<td><?php echo $teacher['can_edit_workload'] ? 'Yes' : 'No'; ?></td>
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<td><?php echo date("M j, Y", strtotime($teacher['created_at'])); ?></td>
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<td><a href="admin_edit_teacher.php?id=<?php echo $teacher['id']; ?>" class="btn btn-sm btn-outline-primary">Edit</a></td>
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</tr>
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<?php endforeach; ?>
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</tbody>
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</table>
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</div>
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<?php endif; endif; ?>
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</div>
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</div>
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</div>
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</div>
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</main>
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<footer class="bg-dark text-white py-4 mt-5">
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<div class="container text-center">
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<p>© <?php echo date("Y"); ?> Haki Schedule. All Rights Reserved.</p>
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</div>
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</footer>
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<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
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</body>
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</html>
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