319 lines
16 KiB
PHP
319 lines
16 KiB
PHP
<?php
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session_start();
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require_once 'includes/auth_check_teacher.php';
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require_once 'db/config.php';
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// --- Database Fetch Functions ---
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function get_teachers($pdo, $school_id) {
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$stmt = $pdo->prepare("SELECT * FROM teachers WHERE school_id = ? ORDER BY name");
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$stmt->execute([$school_id]);
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return $stmt->fetchAll(PDO::FETCH_ASSOC);
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}
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function get_timeslots($pdo) {
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return $pdo->query("SELECT * FROM timeslots ORDER BY start_time")->fetchAll(PDO::FETCH_ASSOC);
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}
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function get_teacher_schedule($pdo, $teacher_id) {
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$sql = "
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SELECT
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s.id,
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s.day_of_week,
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s.timeslot_id,
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s.lesson_display_name,
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c.name as class_name,
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sub.name as subject_name, -- The specific subject for the teacher
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s.is_double,
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s.is_elective
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FROM schedules s
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JOIN schedule_teachers st ON s.id = st.schedule_id
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LEFT JOIN classes c ON s.class_id = c.id
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-- Find the specific subject this teacher teaches to this class from workloads
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LEFT JOIN workloads w ON st.teacher_id = w.teacher_id AND s.class_id = w.class_id
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LEFT JOIN subjects sub ON w.subject_id = sub.id
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WHERE st.teacher_id = :teacher_id
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ORDER BY s.day_of_week, s.timeslot_id
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";
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$stmt = $pdo->prepare($sql);
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$stmt->execute([':teacher_id' => $teacher_id]);
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return $stmt->fetchAll(PDO::FETCH_ASSOC);
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}
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// --- Main Logic ---
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$pdoconn = db();
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$school_id = $_SESSION['school_id'];
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$role = $_SESSION['role'];
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$user_id = $_SESSION['user_id'];
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$teachers = [];
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if ($role === 'admin') {
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$stmt = $pdoconn->prepare("SELECT * FROM teachers WHERE school_id = ? ORDER BY name");
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$stmt->execute([$school_id]);
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$teachers = $stmt->fetchAll(PDO::FETCH_ASSOC);
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} else { // Teacher
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$stmt = $pdoconn->prepare("SELECT * FROM teachers WHERE user_id = ? AND school_id = ?");
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$stmt->execute([$user_id, $school_id]);
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$teachers = $stmt->fetchAll(PDO::FETCH_ASSOC);
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}
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$timeslots = get_timeslots($pdoconn);
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$days_of_week = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'];
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$selected_teacher_id = null;
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if ($role === 'admin') {
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$selected_teacher_id = isset($_GET['teacher_id']) ? $_GET['teacher_id'] : null;
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} else { // Teacher
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if (!empty($teachers)) {
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$selected_teacher_id = $teachers[0]['id'];
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}
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}
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$selected_teacher_name = '';
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$teacher_schedule_raw = [];
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if ($selected_teacher_id) {
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foreach ($teachers as $teacher) {
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if ($teacher['id'] == $selected_teacher_id) {
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$selected_teacher_name = $teacher['name'];
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break;
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}
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}
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$teacher_schedule_raw = get_teacher_schedule($pdoconn, $selected_teacher_id);
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// Gemini: Log the data for debugging
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error_log("--- Teacher Timetable Debug ---");
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error_log("Selected Teacher ID: " . print_r($selected_teacher_id, true));
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error_log("Raw schedule data from DB: " . print_r($teacher_schedule_raw, true));
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}
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// Organize schedule for easy display
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$non_break_periods = array_values(array_filter($timeslots, function($ts) { return !$ts['is_break']; }));
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$timeslot_id_to_period_idx = [];
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foreach($non_break_periods as $idx => $period) {
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$timeslot_id_to_period_idx[$period['id']] = $idx;
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}
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$teacher_timetable_by_period = [];
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// Initialize the timetable array
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foreach ($days_of_week as $day_idx => $day) {
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$teacher_timetable_by_period[$day_idx] = array_fill(0, count($non_break_periods), null);
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}
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foreach ($teacher_schedule_raw as $lesson) {
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$day_idx = $lesson['day_of_week'];
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if (isset($timeslot_id_to_period_idx[$lesson['timeslot_id']])) {
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$period_idx = $timeslot_id_to_period_idx[$lesson['timeslot_id']];
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if (isset($teacher_timetable_by_period[$day_idx][$period_idx])) {
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// This slot is already filled, potentially by a multi-class elective.
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// Create an array if it's not already one.
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if (!is_array($teacher_timetable_by_period[$day_idx][$period_idx])) {
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$teacher_timetable_by_period[$day_idx][$period_idx] = [$teacher_timetable_by_period[$day_idx][$period_idx]];
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}
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$teacher_timetable_by_period[$day_idx][$period_idx][] = $lesson;
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} else {
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$teacher_timetable_by_period[$day_idx][$period_idx] = $lesson;
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}
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if (!empty($lesson['is_double']) && isset($teacher_timetable_by_period[$day_idx][$period_idx + 1])) {
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if (isset($teacher_timetable_by_period[$day_idx][$period_idx + 1])) {
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if (!is_array($teacher_timetable_by_period[$day_idx][$period_idx + 1])) {
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$teacher_timetable_by_period[$day_idx][$period_idx + 1] = [$teacher_timetable_by_period[$day_idx][$period_idx + 1]];
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}
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$teacher_timetable_by_period[$day_idx][$period_idx + 1][] = $lesson;
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} else {
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$teacher_timetable_by_period[$day_idx][$period_idx + 1] = $lesson;
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}
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}
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}
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}
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// Gemini: Log the final structure
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error_log("Final teacher_timetable_by_period structure: " . print_r($teacher_timetable_by_period, true));
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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>Teacher Timetable - 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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<link rel="stylesheet" href="assets/css/print.css?v=<?php echo time(); ?>" media="print">
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<script src="https://cdnjs.cloudflare.com/ajax/libs/html2canvas/1.4.1/html2canvas.min.js"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/2.5.1/jspdf.umd.min.js"></script>
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</head>
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<body>
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<?php require_once 'includes/navbar.php'; ?>
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<div class="container mt-4">
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<div class="d-flex justify-content-between align-items-center mb-4 no-print">
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<h1>Teacher Timetable</h1>
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<?php if ($selected_teacher_id): ?>
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<div class="d-flex gap-2">
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<button id="print-btn" class="btn btn-secondary">Print</button>
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<button id="download-btn" class="btn btn-secondary">Download as PDF</button>
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</div>
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<?php endif; ?>
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</div>
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<?php if ($role === 'admin'): ?>
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<form method="GET" action="" class="mb-4 no-print">
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<div class="row">
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<div class="col-md-4">
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<label for="teacher_id" class="form-label">Select Teacher</label>
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<select name="teacher_id" id="teacher_id" class="form-select" onchange="this.form.submit()">
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<option value="">-- Select a Teacher --</option>
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<?php foreach ($teachers as $teacher): ?>
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<option value="<?php echo $teacher['id']; ?>" <?php echo ($selected_teacher_id == $teacher['id']) ? 'selected' : ''; ?> >
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<?php echo htmlspecialchars($teacher['name']); ?>
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</option>
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<?php endforeach; ?>
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</select>
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</div>
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</div>
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</form>
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<?php endif; ?>
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<div id="timetable-container" class="timetable-container">
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<?php if ($selected_teacher_id && !empty($teacher_schedule_raw)): ?>
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<div class="timetable-wrapper">
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<h3 class="mt-4">Timetable for <?php echo htmlspecialchars($selected_teacher_name); ?></h3>
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<div class="card">
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<div class="card-body">
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<table class="table table-bordered text-center">
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<thead>
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<tr>
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<th style="width: 12%;">Time</th>
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<?php foreach ($days_of_week as $day): ?>
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<th><?php echo $day; ?></th>
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<?php endforeach; ?>
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</tr>
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</thead>
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<tbody>
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<?php
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$period_indices = array_keys($non_break_periods);
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foreach ($period_indices as $period_idx) {
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$current_timeslot_id = $non_break_periods[$period_idx]['id'];
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// Find the full timeslot info, including breaks
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$timeslot_info = null;
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foreach ($timeslots as $ts) {
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if ($ts['id'] === $current_timeslot_id) {
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$timeslot_info = $ts;
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break;
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}
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}
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// Find if there is a break before this timeslot
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$break_html = '';
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$last_period_end_time = null;
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if ($period_idx > 0) {
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$prev_period_id = $non_break_periods[$period_idx - 1]['id'];
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foreach($timeslots as $ts) {
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if ($ts['id'] === $prev_period_id) {
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$last_period_end_time = $ts['end_time'];
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break;
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}
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}
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}
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foreach ($timeslots as $ts) {
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if ($ts['is_break'] && $ts['start_time'] >= $last_period_end_time && $ts['start_time'] < $timeslot_info['start_time']) {
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$break_html .= '<tr>';
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$break_html .= '<td><strong>' . htmlspecialchars($ts['name']) . '</strong><br><small class="text-muted">' . date("g:i A", strtotime($ts['start_time'])) . ' - ' . date("g:i A", strtotime($ts['end_time'])) . '</small></td>';
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$break_html .= '<td colspan="' . count($days_of_week) . '" class="text-center table-secondary"><strong>Break</strong></td>';
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$break_html .= '</tr>';
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}
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}
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echo $break_html;
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?>
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<tr>
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<td>
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<strong><?php echo htmlspecialchars($timeslot_info['name']); ?></strong><br>
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<small class="text-muted"><?php echo date("g:i A", strtotime($timeslot_info['start_time'])); ?> - <?php echo date("g:i A", strtotime($timeslot_info['end_time'])); ?></small>
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</td>
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<?php foreach ($days_of_week as $day_idx => $day): ?>
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<td class="timetable-slot align-middle">
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<?php
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$lesson = $teacher_timetable_by_period[$day_idx][$period_idx] ?? null;
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if ($lesson) {
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// If it's an array of lessons (co-teaching), display them all
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$lessons_to_display = is_array($lesson) && !isset($lesson['id']) ? $lesson : [$lesson];
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foreach ($lessons_to_display as $single_lesson) {
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if ($single_lesson) { // Check not null
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$display_name = $single_lesson['lesson_display_name'];
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// For electives, the teacher should see their specific subject.
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if (!empty($single_lesson['is_elective']) && !empty($single_lesson['subject_name'])) {
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$display_name = $single_lesson['subject_name'];
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}
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echo '<div class="lesson p-1 mb-1">';
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echo '<strong>' . htmlspecialchars($display_name) . '</strong><br>';
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echo '<small>' . htmlspecialchars($single_lesson['class_name']) . '</small>';
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echo '</div>';
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}
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}
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}
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?>
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</td>
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<?php endforeach; ?>
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</tr>
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<?php
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}
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// Check for any breaks at the very end of the day
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$last_timeslot_end_time = end($non_break_periods)['end_time'];
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$final_break_html = '';
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foreach ($timeslots as $ts) {
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if ($ts['is_break'] && $ts['start_time'] >= $last_timeslot_end_time) {
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$final_break_html .= '<tr>';
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$final_break_html .= '<td><strong>' . htmlspecialchars($ts['name']) . '</strong><br><small class="text-muted">' . date("g:i A", strtotime($ts['start_time'])) . ' - ' . date("g:i A", strtotime($ts['end_time'])) . '</small></td>';
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$final_break_html .= '<td colspan="' . count($days_of_week) . '" class="text-center table-secondary"><strong>Break</strong></td>';
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$final_break_html .= '</tr>';
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}
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}
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echo $final_break_html;
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?>
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</tbody>
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</table>
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</div>
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</div>
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</div>
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<?php elseif ($selected_teacher_id): ?>
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<div class="alert alert-info">No lessons scheduled for this teacher.</div>
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<?php endif; ?>
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</div>
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</div>
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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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<script>
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document.addEventListener('DOMContentLoaded', function () {
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<?php if ($selected_teacher_id): ?>
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const { jsPDF } = window.jspdf;
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document.getElementById('print-btn').addEventListener('click', function () {
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window.print();
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});
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document.getElementById('download-btn').addEventListener('click', function () {
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const element = document.getElementById('timetable-container');
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const teacherName = "<?php echo htmlspecialchars($selected_teacher_name, ENT_QUOTES, 'UTF-8'); ?>";
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const fileName = `timetable-${teacherName.replace(/\s+/g, '-').toLowerCase()}.pdf`;
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html2canvas(element, { scale: 2 }).then(canvas => {
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const imgData = canvas.toDataURL('image/png');
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const doc = new jsPDF({
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orientation: 'l',
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unit: 'pt',
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format: 'a4'
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});
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const imgWidth = doc.internal.pageSize.getWidth() - 40;
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const imgHeight = canvas.height * imgWidth / canvas.width;
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doc.addImage(imgData, 'PNG', 20, 20, imgWidth, imgHeight);
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doc.save(fileName);
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});
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});
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<?php endif; ?>
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});
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</script>
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</body>
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</html>
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