almost done with scheduling constraints
This commit is contained in:
Flatlogic Bot
parent
386664137b
commit
4687d48132
@ -202,3 +202,15 @@ body {
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background-color: #F3F4F6;
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border-radius: 8px;
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}
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.bg-light-blue {
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background-color: #E0E7FF;
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}
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.bg-light-green {
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background-color: #e0f2e9;
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}
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.bg-light-purple {
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background-color: #e9e7f5;
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}
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701
timetable.php
701
timetable.php
@ -1,296 +1,345 @@
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<?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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session_start();
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require_once 'includes/auth_check.php';
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require_once 'db/config.php';
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// --- Timetable Generation Logic V3 (with Backtracking) ---
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// --- Configuration ---
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define('DAYS_OF_WEEK', ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday']);
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define('PERIODS_PER_DAY', 8);
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class Scheduler
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{
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// Settings
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private const DAYS_OF_WEEK = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'];
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private const PERIODS_PER_DAY = 8;
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private const BREAK_PERIODS = [2, 5];
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// --- Database Fetch ---
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function get_workloads($pdo) {
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$stmt = $pdo->query("
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SELECT
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w.id,
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c.id as class_id,
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c.name as class_name,
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s.id as subject_id,
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s.name as subject_name,
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s.has_double_lesson,
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s.elective_group,
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t.id as teacher_id,
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t.name as teacher_name,
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w.lessons_per_week
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FROM workloads w
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JOIN classes c ON w.class_id = c.id
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JOIN subjects s ON w.subject_id = s.id
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JOIN teachers t ON w.teacher_id = t.id
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ORDER BY c.name, s.name
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");
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return $stmt->fetchAll(PDO::FETCH_ASSOC);
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}
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// Data
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private $classes;
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private $teachers;
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private $workloads;
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function get_classes($pdo) {
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return $pdo->query("SELECT * FROM classes ORDER BY name")->fetchAll(PDO::FETCH_ASSOC);
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}
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// State
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private $class_timetables;
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private $teacher_timetables;
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private $unplaced_lessons = [];
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private $lessons_to_schedule;
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public function __construct($classes, $teachers, $workloads)
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{
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$this->classes = $classes;
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$this->teachers = $teachers;
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$this->workloads = $workloads;
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// Initialize empty timetables
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foreach ($this->classes as $class) {
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$this->class_timetables[$class['id']] = array_fill(0, count(self::DAYS_OF_WEEK), array_fill(0, self::PERIODS_PER_DAY, null));
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}
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foreach ($this->teachers as $teacher) {
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$this->teacher_timetables[$teacher['id']] = array_fill(0, count(self::DAYS_OF_WEEK), array_fill(0, self::PERIODS_PER_DAY, null));
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}
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// --- Helper Functions ---
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function get_grade_from_class_name($class_name) {
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if (preg_match('/^(Grade\s+\d+)/i', $class_name, $matches)) {
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return $matches[1];
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}
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return $class_name;
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}
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public function generate()
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{
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$this->lessons_to_schedule = $this->prepare_lessons();
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$this->solve($this->lessons_to_schedule); // Run the solver
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// --- Scoring and Placement Logic ---
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function find_best_slot_for_lesson($lesson, $is_double, &$class_timetables, &$teacher_timetables, $all_class_ids) {
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$best_slot = null;
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$highest_score = -1;
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return [
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// The process always "succeeds" in running. Check unplaced_lessons for timetable completeness.
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'success' => true,
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'class_timetables' => $this->class_timetables,
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'unplaced_lessons' => $this->unplaced_lessons,
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];
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}
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$class_id = $lesson['type'] === 'horizontal_elective' ? null : $lesson['class_id'];
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$teachers_in_lesson = array_unique(array_column($lesson['component_lessons'], 'teacher_id'));
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$class_ids_in_lesson = $lesson['type'] === 'horizontal_elective' ? $lesson['participating_class_ids'] : [$class_id];
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private function prepare_lessons()
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{
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$lessons = [];
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$electives = [];
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for ($day = 0; $day < count(DAYS_OF_WEEK); $day++) {
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for ($period = 0; $period < PERIODS_PER_DAY; $period++) {
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$current_score = 100; // Base score for a valid slot
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// Group electives
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foreach ($this->workloads as $workload) {
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if ($workload['elective_group']) {
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$electives[$workload['elective_group']][] = $workload;
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// 1. Check basic availability
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$slot_available = true;
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if ($is_double) {
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if ($period + 1 >= PERIODS_PER_DAY) continue; // Not enough space for a double
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foreach ($class_ids_in_lesson as $cid) {
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if (isset($class_timetables[$cid][$day][$period]) || isset($class_timetables[$cid][$day][$period + 1])) {
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$slot_available = false; break;
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}
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}
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if (!$slot_available) continue;
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foreach ($teachers_in_lesson as $teacher_id) {
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if (isset($teacher_timetables[$teacher_id][$day][$period]) || isset($teacher_timetables[$teacher_id][$day][$period + 1])) {
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$slot_available = false; break;
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}
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}
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} else {
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foreach ($class_ids_in_lesson as $cid) {
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if (isset($class_timetables[$cid][$day][$period])) {
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$slot_available = false; break;
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}
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}
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if (!$slot_available) continue;
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foreach ($teachers_in_lesson as $teacher_id) {
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if (isset($teacher_timetables[$teacher_id][$day][$period])) {
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$slot_available = false; break;
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}
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}
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}
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if (!$slot_available) continue;
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// 2. Apply scoring rules for even distribution
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foreach ($class_ids_in_lesson as $cid) {
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// Penalty for same subject on the same day
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for ($p = 0; $p < PERIODS_PER_DAY; $p++) {
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if (isset($class_timetables[$cid][$day][$p]) && $class_timetables[$cid][$day][$p]['subject_name'] === $lesson['display_name']) {
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$current_score -= 50;
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}
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}
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}
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// Penalty for teacher back-to-back lessons
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foreach ($teachers_in_lesson as $teacher_id) {
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// Check period before
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if ($period > 0 && isset($teacher_timetables[$teacher_id][$day][$period - 1])) {
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$current_score -= 15;
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}
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// Check period after
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$after_period = $is_double ? $period + 2 : $period + 1;
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if ($after_period < PERIODS_PER_DAY && isset($teacher_timetables[$teacher_id][$day][$after_period])) {
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$current_score -= 15;
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}
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}
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// 3. New Penalty: Avoid scheduling double lessons of the same subject at the same time (resource conflict)
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if ($is_double) {
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$subject_name_to_check = $lesson['display_name'];
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foreach ($all_class_ids as $cid) {
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// Skip the classes that are part of the current lesson being placed
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if (in_array($cid, $class_ids_in_lesson)) {
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continue;
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}
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if (isset($class_timetables[$cid][$day][$period])) {
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$conflicting_lesson = $class_timetables[$cid][$day][$period];
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// Check if it's a double lesson of the same subject.
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if ($conflicting_lesson['is_double'] && $conflicting_lesson['subject_name'] === $subject_name_to_check) {
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$current_score -= 500; // High penalty for resource conflict
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break; // Found a conflict, no need to check other classes
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}
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}
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}
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}
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// 4. Compare with the highest score
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if ($current_score > $highest_score) {
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$highest_score = $current_score;
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$best_slot = ['day' => $day, 'period' => $period];
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}
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}
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}
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return $best_slot;
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}
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// Create elective lesson blocks
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foreach ($electives as $group_name => $group_workloads) {
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for ($i = 0; $i < $group_workloads[0]['lessons_per_week']; $i++) {
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$lessons[] = [
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'is_elective' => true,
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'group_name' => $group_name,
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'workloads' => $group_workloads,
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'subject_name' => implode(' / ', array_map(fn($w) => $w['subject_name'], $group_workloads)),
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'teacher_name' => 'Elective Group',
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'subject_id' => $group_workloads[0]['subject_id'] // For color
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// --- Main Scheduling Engine ---
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function generate_timetable($workloads, $classes) {
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$class_timetables = [];
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foreach ($classes as $class) {
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$class_timetables[$class['id']] = array_fill(0, count(DAYS_OF_WEEK), array_fill(0, PERIODS_PER_DAY, null));
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}
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$teacher_timetables = [];
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// --- Lesson Preparation ---
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$classes_by_grade = [];
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foreach ($classes as $class) {
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$grade_name = get_grade_from_class_name($class['name']);
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$classes_by_grade[$grade_name][] = $class;
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}
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// Step 1: Identify horizontal electives and separate them from other workloads
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$horizontal_elective_doubles = [];
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$horizontal_elective_singles = [];
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$other_workloads = [];
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$workloads_by_grade_and_elective_group = [];
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foreach ($workloads as $workload) {
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if (!empty($workload['elective_group'])) {
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$grade_name = get_grade_from_class_name($workload['class_name']);
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$workloads_by_grade_and_elective_group[$grade_name][$workload['elective_group']][] = $workload;
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} else {
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$other_workloads[] = $workload;
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}
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}
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foreach ($workloads_by_grade_and_elective_group as $grade_name => $elective_groups) {
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foreach ($elective_groups as $elective_group_name => $group_workloads) {
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$participating_class_ids = array_unique(array_column($group_workloads, 'class_id'));
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// A horizontal elective involves more than one class
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if (count($participating_class_ids) > 1) {
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$first = $group_workloads[0];
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$block = [
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'type' => 'horizontal_elective',
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'display_name' => $elective_group_name,
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'participating_class_ids' => $participating_class_ids,
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'lessons_per_week' => $first['lessons_per_week'],
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'has_double_lesson' => $first['has_double_lesson'],
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'component_lessons' => $group_workloads
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];
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}
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}
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// Create double and single lessons
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foreach ($this->workloads as $workload) {
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if ($workload['elective_group']) continue;
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$lessons_per_week = $workload['lessons_per_week'];
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if ($workload['has_double_lesson']) {
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if ($lessons_per_week >= 2) {
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$lessons[] = array_merge($workload, ['is_double' => true, 'duration' => 2]);
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$lessons_per_week -= 2;
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if ($block['has_double_lesson'] && $block['lessons_per_week'] >= 2) {
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$horizontal_elective_doubles[] = $block; // Create one double lesson
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// Create remaining as single lessons
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for ($i = 0; $i < $block['lessons_per_week'] - 2; $i++) {
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$horizontal_elective_singles[] = $block;
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}
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} else {
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// Create all as single lessons
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for ($i = 0; $i < $block['lessons_per_week']; $i++) {
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$horizontal_elective_singles[] = $block;
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}
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}
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}
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for ($i = 0; $i < $lessons_per_week; $i++) {
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$lessons[] = array_merge($workload, ['is_double' => false, 'duration' => 1]);
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}
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}
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// Sort lessons to prioritize more constrained ones (doubles and electives)
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usort($lessons, function($a, $b) {
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$a_score = ($a['is_elective'] ?? false) * 10 + ($a['is_double'] ?? false) * 5;
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$b_score = ($b['is_elective'] ?? false) * 10 + ($b['is_double'] ?? false) * 5;
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return $b_score <=> $a_score;
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});
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return $lessons;
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}
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private function solve(&$lessons)
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{
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if (empty($lessons)) {
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return true; // Success: all lessons have been scheduled
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}
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$lesson = array_pop($lessons); // Get the next lesson to try placing
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$possible_slots = $this->get_possible_slots($lesson);
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shuffle($possible_slots);
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foreach ($possible_slots as $slot) {
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$this->place_lesson($lesson, $slot);
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if ($this->solve($lessons)) {
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return true; // Found a valid solution for the rest of the lessons
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}
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// Backtrack
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$this->unplace_lesson($lesson, $slot);
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}
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// If we get here, no slot worked for the current lesson.
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$this->unplaced_lessons[] = $lesson; // Record as unplaced
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// BUG FIX: The line below caused an infinite recursion and server crash.
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// It has been removed. By returning false, we signal the parent to backtrack.
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return false;
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}
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private function get_possible_slots($lesson)
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{
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$slots = [];
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for ($day = 0; $day < count(self::DAYS_OF_WEEK); $day++) {
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for ($period = 0; $period < self::PERIODS_PER_DAY; $period++) {
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$slot = ['day' => $day, 'period' => $period];
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if ($this->is_slot_valid($lesson, $slot)) {
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$slots[] = $slot;
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} else {
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// Not a horizontal elective, add back to the pool of other workloads
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foreach($group_workloads as $workload) {
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$other_workloads[] = $workload;
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}
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}
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}
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return $slots;
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}
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// Step 2: Process remaining workloads (regular subjects and single-class electives)
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$double_lessons = [];
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$single_lessons = [];
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$workloads_by_class = [];
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foreach ($other_workloads as $workload) {
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$workloads_by_class[$workload['class_id']][] = $workload;
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}
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private function is_slot_valid($lesson, $slot)
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{
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$day = $slot['day'];
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$start_period = $slot['period'];
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$duration = $lesson['duration'] ?? 1;
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// Check if slot is a break
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for ($p = 0; $p < $duration; $p++) {
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$current_period = $start_period + $p;
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if ($current_period >= self::PERIODS_PER_DAY || in_array($current_period, self::BREAK_PERIODS)) {
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return false; // Slot is out of bounds or a break
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foreach ($workloads_by_class as $class_id => $class_workloads) {
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$elective_groups = [];
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$individual_lessons = [];
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// Separate single-class electives from individual subjects
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foreach ($class_workloads as $workload) {
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if (!empty($workload['elective_group'])) {
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$elective_groups[$workload['elective_group']][] = $workload;
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} else {
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$individual_lessons[] = $workload;
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}
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}
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if ($lesson['is_elective']) {
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// Check all classes and teachers in the elective group
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foreach ($lesson['workloads'] as $workload) {
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if (!$this->check_resource_availability($workload['class_id'], $workload['teacher_id'], $day, $start_period, $duration)) {
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return false;
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// Process single-class elective groups
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foreach ($elective_groups as $group_name => $group_workloads) {
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$first = $group_workloads[0];
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$block = [
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'type' => 'elective',
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'class_id' => $class_id,
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'display_name' => $group_name,
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'lessons_per_week' => $first['lessons_per_week'],
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'has_double_lesson' => $first['has_double_lesson'],
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'component_lessons' => $group_workloads
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];
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if ($block['has_double_lesson'] && $block['lessons_per_week'] >= 2) {
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$double_lessons[] = $block; // One double lesson
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// Remaining are single lessons
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for ($i = 0; $i < $block['lessons_per_week'] - 2; $i++) {
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$single_lessons[] = $block;
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}
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} else {
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// All are single lessons
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for ($i = 0; $i < $block['lessons_per_week']; $i++) {
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$single_lessons[] = $block;
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}
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}
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} else {
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// Check for single/double lesson
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if (!$this->check_resource_availability($lesson['class_id'], $lesson['teacher_id'], $day, $start_period, $duration)) {
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return false;
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}
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// ** STRICT DISTRIBUTION RULE **
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$lessons_on_day = 0;
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foreach ($this->class_timetables[$lesson['class_id']][$day] as $p) {
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if ($p && $p['subject_id'] === $lesson['subject_id']) {
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$lessons_on_day++;
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}
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// Process individual subjects
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foreach ($individual_lessons as $workload) {
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$lesson = [
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'type' => 'single',
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'class_id' => $workload['class_id'],
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'display_name' => $workload['subject_name'],
|
||||
'lessons_per_week' => $workload['lessons_per_week'],
|
||||
'has_double_lesson' => $workload['has_double_lesson'],
|
||||
'component_lessons' => [$workload]
|
||||
];
|
||||
|
||||
if ($lesson['has_double_lesson'] && $lesson['lessons_per_week'] >= 2) {
|
||||
$double_lessons[] = $lesson; // One double lesson
|
||||
// Remaining are single lessons
|
||||
for ($i = 0; $i < $lesson['lessons_per_week'] - 2; $i++) {
|
||||
$single_lessons[] = $lesson;
|
||||
}
|
||||
} else {
|
||||
// All are single lessons
|
||||
for ($i = 0; $i < $lesson['lessons_per_week']; $i++) {
|
||||
$single_lessons[] = $lesson;
|
||||
}
|
||||
}
|
||||
$max_per_day = ($lesson['lessons_per_week'] > count(self::DAYS_OF_WEEK)) ? 2 : 1;
|
||||
if ($lessons_on_day >= $max_per_day) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
private function check_resource_availability($class_id, $teacher_id, $day, $start_period, $duration)
|
||||
{
|
||||
for ($p = 0; $p < $duration; $p++) {
|
||||
$period = $start_period + $p;
|
||||
if (!empty($this->class_timetables[$class_id][$day][$period]) || !empty($this->teacher_timetables[$teacher_id][$day][$period])) {
|
||||
return false; // Conflict found
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
// --- Placement using Scoring ---
|
||||
$all_class_ids = array_column($classes, 'id'); // Get all class IDs for the conflict check
|
||||
|
||||
private function place_lesson($lesson, $slot)
|
||||
{
|
||||
$day = $slot['day'];
|
||||
$start_period = $slot['period'];
|
||||
$duration = $lesson['duration'] ?? 1;
|
||||
// The order determines priority: most constrained lessons are scheduled first.
|
||||
$all_lessons_in_order = [
|
||||
'horizontal_doubles' => $horizontal_elective_doubles,
|
||||
'doubles' => $double_lessons,
|
||||
'horizontal_singles' => $horizontal_elective_singles,
|
||||
'singles' => $single_lessons
|
||||
];
|
||||
|
||||
$lesson_info = [
|
||||
'subject' => $lesson['subject_name'],
|
||||
'teacher' => $lesson['teacher_name'],
|
||||
'subject_id' => $lesson['subject_id'],
|
||||
];
|
||||
foreach ($all_lessons_in_order as $type => $lessons) {
|
||||
shuffle($lessons); // Randomize order within the same type to avoid bias
|
||||
foreach ($lessons as $lesson) {
|
||||
$is_double = ($type === 'doubles' || $type === 'horizontal_doubles');
|
||||
|
||||
$best_slot = find_best_slot_for_lesson($lesson, $is_double, $class_timetables, $teacher_timetables, $all_class_ids);
|
||||
|
||||
if ($lesson['is_elective']) {
|
||||
foreach ($lesson['workloads'] as $workload) {
|
||||
for ($p = 0; $p < $duration; $p++) {
|
||||
$this->class_timetables[$workload['class_id']][$day][$start_period + $p] = $lesson_info;
|
||||
$this->teacher_timetables[$workload['teacher_id']][$day][$start_period + $p] = $workload['class_id'];
|
||||
if ($best_slot) {
|
||||
$day = $best_slot['day'];
|
||||
$period = $best_slot['period'];
|
||||
$class_ids_to_place = ($lesson['type'] === 'horizontal_elective') ? $lesson['participating_class_ids'] : [$lesson['class_id']];
|
||||
$teachers_to_place = array_unique(array_column($lesson['component_lessons'], 'teacher_id'));
|
||||
|
||||
$lesson_info = [
|
||||
'subject_name' => $lesson['display_name'],
|
||||
'teacher_name' => count($teachers_to_place) > 1 ? 'Multiple' : $lesson['component_lessons'][0]['teacher_name'],
|
||||
'is_double' => $is_double,
|
||||
'is_elective' => $lesson['type'] === 'elective',
|
||||
'is_horizontal_elective' => $lesson['type'] === 'horizontal_elective'
|
||||
];
|
||||
|
||||
if ($is_double) {
|
||||
foreach ($class_ids_to_place as $cid) {
|
||||
$class_timetables[$cid][$day][$period] = $lesson_info;
|
||||
$class_timetables[$cid][$day][$period + 1] = $lesson_info;
|
||||
}
|
||||
foreach ($teachers_to_place as $tid) {
|
||||
$teacher_timetables[$tid][$day][$period] = true;
|
||||
$teacher_timetables[$tid][$day][$period + 1] = true;
|
||||
}
|
||||
} else {
|
||||
foreach ($class_ids_to_place as $cid) {
|
||||
$class_timetables[$cid][$day][$period] = $lesson_info;
|
||||
}
|
||||
foreach ($teachers_to_place as $tid) {
|
||||
$teacher_timetables[$tid][$day][$period] = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
for ($p = 0; $p < $duration; $p++) {
|
||||
$this->class_timetables[$lesson['class_id']][$day][$start_period + $p] = $lesson_info;
|
||||
$this->teacher_timetables[$lesson['teacher_id']][$day][$start_period + $p] = $lesson['class_id'];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private function unplace_lesson($lesson, $slot)
|
||||
{
|
||||
$day = $slot['day'];
|
||||
$start_period = $slot['period'];
|
||||
$duration = $lesson['duration'] ?? 1;
|
||||
|
||||
if ($lesson['is_elective']) {
|
||||
foreach ($lesson['workloads'] as $workload) {
|
||||
for ($p = 0; $p < $duration; $p++) {
|
||||
$this->class_timetables[$workload['class_id']][$day][$start_period + $p] = null;
|
||||
$this->teacher_timetables[$workload['teacher_id']][$day][$start_period + $p] = null;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
for ($p = 0; $p < $duration; $p++) {
|
||||
$this->class_timetables[$lesson['class_id']][$day][$start_period + $p] = null;
|
||||
$this->teacher_timetables[$lesson['teacher_id']][$day][$start_period + $p] = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
return $class_timetables;
|
||||
}
|
||||
|
||||
// --- Data Fetching ---
|
||||
$pdo = db();
|
||||
$classes = $pdo->query("SELECT * FROM classes ORDER BY name")->fetchAll(PDO::FETCH_ASSOC);
|
||||
$teachers = $pdo->query("SELECT * FROM teachers")->fetchAll(PDO::FETCH_ASSOC);
|
||||
$workloads = $pdo->query("
|
||||
SELECT
|
||||
w.class_id, c.name as class_name,
|
||||
w.subject_id, s.name as subject_name, s.has_double_lesson, s.elective_group,
|
||||
w.teacher_id, t.name as teacher_name,
|
||||
w.lessons_per_week
|
||||
FROM workloads w
|
||||
JOIN classes c ON w.class_id = c.id
|
||||
JOIN subjects s ON w.subject_id = s.id
|
||||
JOIN teachers t ON w.teacher_id = t.id
|
||||
")->fetchAll(PDO::FETCH_ASSOC);
|
||||
$pdoconn = db();
|
||||
$workloads = get_workloads($pdoconn);
|
||||
$classes = get_classes($pdoconn);
|
||||
$class_timetables = [];
|
||||
|
||||
// --- Run Scheduler ---
|
||||
$scheduler = new Scheduler($classes, $teachers, $workloads);
|
||||
$result = $scheduler->generate();
|
||||
$class_timetables = $result['class_timetables'];
|
||||
$raw_unplaced_lessons = $result['unplaced_lessons'];
|
||||
|
||||
// Process unplaced lessons for display
|
||||
$unplaced_lessons_summary = [];
|
||||
foreach($raw_unplaced_lessons as $lesson) {
|
||||
$key = $lesson['is_elective'] ? $lesson['group_name'] : $lesson['class_name'] . '-' . $lesson['subject_name'];
|
||||
if (!isset($unplaced_lessons_summary[$key])) {
|
||||
$unplaced_lessons_summary[$key] = [
|
||||
'class' => $lesson['is_elective'] ? 'All Classes' : $lesson['class_name'],
|
||||
'subject' => $lesson['is_elective'] ? "Elective: " . $lesson['group_name'] : $lesson['subject_name'],
|
||||
'unplaced' => 0,
|
||||
'total' => $lesson['is_elective'] ? $lesson['workloads'][0]['lessons_per_week'] : $lesson['lessons_per_week']
|
||||
];
|
||||
}
|
||||
$unplaced_lessons_summary[$key]['unplaced']++;
|
||||
}
|
||||
|
||||
// --- Color Helper ---
|
||||
$subject_colors = [];
|
||||
$color_palette = ['#FFADAD', '#FFD6A5', '#FDFFB6', '#CAFFBF', '#9BF6FF', '#A0C4FF', '#BDB2FF', '#FFC6FF', '#FFC8DD', '#D4A5A5'];
|
||||
function get_subject_color($subject_name, &$subject_colors, $palette) {
|
||||
if (!isset($subject_colors[$subject_name])) {
|
||||
$subject_colors[$subject_name] = $palette[count($subject_colors) % count($palette)];
|
||||
}
|
||||
return $subject_colors[$subject_name];
|
||||
if (isset($_POST['generate'])) {
|
||||
$class_timetables = generate_timetable($workloads, $classes);
|
||||
}
|
||||
|
||||
?>
|
||||
@ -299,14 +348,11 @@ function get_subject_color($subject_name, &$subject_colors, $palette) {
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||
<title>Generated Timetable - Haki Schedule</title>
|
||||
<meta name="description" content="View the automatically generated class schedule with a modern, color-coded design.">
|
||||
<title>Timetable - Haki Schedule</title>
|
||||
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
|
||||
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-icons/1.10.3/font/bootstrap-icons.min.css">
|
||||
<link rel="stylesheet" href="assets/css/custom.css?v=<?php echo time(); ?>">
|
||||
</head>
|
||||
<body>
|
||||
|
||||
<nav class="navbar navbar-expand-lg navbar-light bg-white sticky-top shadow-sm">
|
||||
<div class="container">
|
||||
<a class="navbar-brand fw-bold" href="/">Haki Schedule</a>
|
||||
@ -340,94 +386,75 @@ function get_subject_color($subject_name, &$subject_colors, $palette) {
|
||||
</div>
|
||||
</nav>
|
||||
|
||||
<main class="container py-5">
|
||||
<div class="printable-area">
|
||||
<div class="d-flex justify-content-between align-items-center mb-4">
|
||||
<div>
|
||||
<h1 class="h3 fw-bold">Generated Timetable</h1>
|
||||
<p class="text-muted">Automatically generated, color-coded class schedules.</p>
|
||||
<div class="container mt-4">
|
||||
<div class="d-flex justify-content-between align-items-center mb-4">
|
||||
<h1>Timetable</h1>
|
||||
<form method="POST" action="">
|
||||
<button type="submit" name="generate" class="btn btn-primary">Generate Timetable</button>
|
||||
</form>
|
||||
</div>
|
||||
|
||||
<?php if (isset($_POST['generate'])): ?>
|
||||
<?php if (empty($workloads)): ?>
|
||||
<div class="alert alert-warning">
|
||||
No workloads found. Please add classes, subjects, teachers, and workloads in the "Manage" section first.
|
||||
</div>
|
||||
<button onclick="window.print();" class="btn btn-primary d-print-none"><i class="bi bi-printer-fill me-2"></i>Print Timetable</button>
|
||||
</div>
|
||||
|
||||
<?php if (!empty($unplaced_lessons_summary)): ?>
|
||||
<div class="alert alert-warning">
|
||||
<h5 class="alert-heading">Scheduling Conflict</h5>
|
||||
<p>The system could not place all lessons. This is likely due to too many constraints (e.g., not enough available slots for a teacher). Please review workloads and constraints.</p>
|
||||
<ul>
|
||||
<?php foreach ($unplaced_lessons_summary as $item): ?>
|
||||
<li>Could not place <?php echo $item['unplaced']; ?> of <?php echo $item['total']; ?> lessons for <strong><?php echo htmlspecialchars($item['subject']); ?></strong> in class <strong><?php echo htmlspecialchars($item['class']); ?></strong>.</li>
|
||||
<?php endforeach; ?>
|
||||
</ul>
|
||||
</div>
|
||||
<?php endif; ?>
|
||||
|
||||
<?php if (empty($classes)): ?>
|
||||
<div class="alert alert-info">Please <a href="admin_classes.php">create a class</a> and <a href="admin_workloads.php">assign workloads</a> to generate a timetable.</div>
|
||||
<?php else: ?>
|
||||
<ul class="nav nav-tabs nav-fill mb-4 d-print-none" id="classTabs" role="tablist">
|
||||
<?php foreach ($classes as $index => $class): ?>
|
||||
<li class="nav-item" role="presentation">
|
||||
<button class="nav-link <?php echo $index === 0 ? 'active' : ''; ?>" id="tab-<?php echo $class['id']; ?>" data-bs-toggle="tab" data-bs-target="#content-<?php echo $class['id']; ?>" type="button" role="tab"><?php echo htmlspecialchars($class['name']); ?></button>
|
||||
</li>
|
||||
<?php endforeach; ?>
|
||||
</ul>
|
||||
|
||||
<div class="tab-content" id="classTabsContent">
|
||||
<?php foreach ($classes as $index => $class): ?>
|
||||
<div class="tab-pane fade <?php echo $index === 0 ? 'show active' : ''; ?>" id="content-<?php echo $class['id']; ?>" role="tabpanel">
|
||||
<h4 class="d-none d-print-block mb-3 text-center">Timetable for <?php echo htmlspecialchars($class['name']); ?></h4>
|
||||
<div class="table-responsive">
|
||||
<table class="table table-bordered timetable-table text-center">
|
||||
<thead>
|
||||
<tr class="table-light">
|
||||
<th class="time-col">Time</th>
|
||||
<?php foreach (self::DAYS_OF_WEEK as $day): ?>
|
||||
<th><?php echo $day; ?></th>
|
||||
<?php endforeach; ?>
|
||||
<?php foreach ($classes as $class): ?>
|
||||
<h3 class="mt-5"><?php echo htmlspecialchars($class['name']); ?></h3>
|
||||
<div class="card">
|
||||
<div class="card-body">
|
||||
<table class="table table-bordered text-center">
|
||||
<thead>
|
||||
<tr>
|
||||
<th style="width: 12%;">Time</th>
|
||||
<?php foreach (DAYS_OF_WEEK as $day):
|
||||
?><th><?php echo $day; ?></th>
|
||||
<?php endforeach; ?>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody>
|
||||
<?php for ($period = 0; $period < PERIODS_PER_DAY; $period++):
|
||||
?><tr>
|
||||
<td>Period <?php echo $period + 1; ?></td>
|
||||
<?php for ($day_idx = 0; $day_idx < count(DAYS_OF_WEEK); $day_idx++):
|
||||
?><td>
|
||||
<?php
|
||||
$lesson = $class_timetables[$class['id']][$day_idx][$period];
|
||||
if ($lesson):
|
||||
$class_str = '';
|
||||
if ($lesson['is_horizontal_elective']) {
|
||||
$class_str = 'bg-light-purple';
|
||||
} elseif ($lesson['is_elective']) {
|
||||
$class_str = 'bg-light-green';
|
||||
} elseif ($lesson['is_double']) {
|
||||
$class_str = 'bg-light-blue';
|
||||
}
|
||||
?>
|
||||
<div class="p-1 <?php echo $class_str; ?>">
|
||||
<strong><?php echo htmlspecialchars($lesson['subject_name']); ?></strong><br>
|
||||
<small><?php echo htmlspecialchars($lesson['teacher_name']); ?></small>
|
||||
</div>
|
||||
<?php else:
|
||||
?>
|
||||
<?php endif; ?>
|
||||
</td>
|
||||
<?php endfor; ?>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody>
|
||||
<?php for ($period = 0; $period < self::PERIODS_PER_DAY; $period++): ?>
|
||||
<?php if (in_array($period, self::BREAK_PERIODS)): ?>
|
||||
<tr>
|
||||
<td class="time-col table-light"><strong><?php echo $period === 2 ? 'Break' : 'Lunch'; ?></strong></td>
|
||||
<td class="break-cell" colspan="<?php echo count(self::DAYS_OF_WEEK); ?>"></td>
|
||||
</tr>
|
||||
<?php else: ?>
|
||||
<tr>
|
||||
<td class="time-col table-light"><?php echo sprintf('%02d:00 - %02d:00', 8 + $period + ($period > 2 ? 1 : 0) - ($period > 5 ? 1 : 0), 9 + $period + ($period > 2 ? 1 : 0) - ($period > 5 ? 1 : 0)); ?></td>
|
||||
<?php for ($day = 0; $day < count(self::DAYS_OF_WEEK); $day++): ?>
|
||||
<td class="timetable-cell-container">
|
||||
<?php if (!empty($class_timetables[$class['id']][$day][$period])):
|
||||
$lesson = $class_timetables[$class['id']][$day][$period];
|
||||
$color = get_subject_color($lesson['subject'], $subject_colors, $color_palette);
|
||||
?>
|
||||
<div class="timetable-cell" style="background-color: <?php echo $color; ?>;">
|
||||
<div class="subject-name"><?php echo htmlspecialchars($lesson['subject']); ?></div>
|
||||
<div class="teacher-name"><i class="bi bi-person-circle me-1"></i><?php echo htmlspecialchars($lesson['teacher']); ?></div>
|
||||
</div>
|
||||
<?php endif; ?>
|
||||
</td>
|
||||
<?php endfor; ?>
|
||||
</tr>
|
||||
<?php endif; ?>
|
||||
<?php endfor; ?>
|
||||
</tbody>
|
||||
</table>
|
||||
</div>
|
||||
<?php endfor; ?>
|
||||
</tbody>
|
||||
</table>
|
||||
</div>
|
||||
<?php endforeach; ?>
|
||||
</div>
|
||||
</div>
|
||||
<?php endforeach; ?>
|
||||
<?php endif; ?>
|
||||
</div>
|
||||
</main>
|
||||
<?php else:
|
||||
?><div class="alert alert-info">
|
||||
Click the "Generate Timetable" button to create a schedule based on the current workloads.
|
||||
</div>
|
||||
<?php endif; ?>
|
||||
|
||||
<footer class="bg-dark text-white py-4 mt-auto">
|
||||
<div class="container text-center">
|
||||
<p>© <?php echo date("Y"); ?> Haki Schedule. All Rights Reserved.</p>
|
||||
</div>
|
||||
</footer>
|
||||
</div>
|
||||
|
||||
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
|
||||
</body>
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user