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fix certificates

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root
2026-05-26 01:44:57 -04:00
parent 4ae62e37a3
commit 0bf8d13777
15 changed files with 2533 additions and 446 deletions
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app/Views/admin/certificates/index.php
+378 -399
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@@ -1,445 +1,424 @@
<?= $this->extend('layout/management_layout') ?>
<?= $this->section('content') ?>
<div class="container-fluid py-4">
<div class="container-fluid">
<div class="wrapper">
<div class="d-flex align-items-center justify-content-between flex-wrap gap-2 mb-3">
<div>
<h2 class="mb-0"><i class="bi bi-award me-2"></i>Generate Certificates</h2>
<div class="text-muted small">Select a class, choose students, then generate and print their certificates.</div>
</div>
<?php
// ── Group sections by grade (mirrors daily_attendance logic) ─────────────────
$gradeGroups = []; // sortKey => ['label'=>, 'slug'=>, 'csids'=>[]]
foreach ($statsPerClass as $csid => $cs) {
$name = $cs['name'];
$lower = strtolower(trim($name));
if (preg_match('/grade\s*(\d+)/i', $name, $m)) {
$n = (int)$m[1];
$label = 'Grade ' . $n;
$sortKey = '1_' . str_pad($n, 3, '0', STR_PAD_LEFT);
$slug = 'grade' . $n;
} elseif (strpos($lower, 'kg') !== false || strpos($lower, 'kindergarten') !== false) {
$label = 'KG';
$sortKey = '0_kg';
$slug = 'kg';
} elseif (strpos($lower, 'arabic') !== false) {
$label = 'Arabic';
$sortKey = '2_arabic';
$slug = 'arabic';
} elseif (strpos($lower, 'youth') !== false) {
$label = 'Youth';
$sortKey = '5_youth';
$slug = 'youth';
} else {
$label = $name;
$sortKey = '3_' . $lower;
$slug = preg_replace('/[^a-z0-9]+/', '-', $lower);
}
if (!isset($gradeGroups[$sortKey])) {
$gradeGroups[$sortKey] = ['label' => $label, 'slug' => $slug, 'csids' => []];
}
$gradeGroups[$sortKey]['csids'][] = $csid;
}
ksort($gradeGroups);
$gradeKeys = array_keys($gradeGroups);
$defaultKey = $gradeKeys[0] ?? null;
$decisionBadge = [
'Pass' => 'success',
'Repeat Class' => 'danger',
'Make-up exam in fall' => 'info',
'Deferred decision' => 'info',
'Expel' => 'danger',
'Withdrawn' => 'secondary',
];
?>
<h2 class="text-center mt-4 mb-3"><i class="bi bi-award me-2"></i>Generate Certificates</h2>
<!-- School year filter -->
<div class="d-flex justify-content-end mb-3">
<form method="get" action="<?= site_url('administrator/certificates') ?>" class="d-flex gap-2 align-items-center">
<label class="form-label mb-0 me-1 text-muted small">School Year</label>
<input type="text" name="school_year" class="form-control form-control-sm" style="width:130px;"
value="<?= esc($schoolYear) ?>" placeholder="e.g. 2024-2025">
<button type="submit" class="btn btn-sm btn-outline-primary">
<i class="bi bi-arrow-repeat me-1"></i>Reload
</button>
</form>
</div>
<?php if (session()->getFlashdata('error')): ?>
<div class="alert alert-danger alert-dismissible fade show" role="alert">
<?= esc(session()->getFlashdata('error')) ?>
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
</div>
<?php endif; ?>
<?php if (session()->getFlashdata('error')): ?>
<div class="alert alert-danger alert-dismissible fade show" role="alert">
<?= esc(session()->getFlashdata('error')) ?>
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
</div>
<?php endif; ?>
<?php if (empty($gradeGroups)): ?>
<div class="alert alert-info">No classes found for <?= esc($schoolYear) ?>.</div>
<?php else: ?>
<!-- Filter form -->
<div class="card shadow-sm mb-4">
<div class="card-header fw-semibold">Filter Students</div>
<div class="card-body">
<form method="get" action="<?= site_url('administrator/certificates') ?>" id="filterForm">
<div class="row g-3 align-items-end">
<div class="col-12 col-md-5">
<label class="form-label fw-semibold mb-1">Class / Section</label>
<select name="class_section_id" class="form-select" id="classSectionSelect">
<option value="">— Select a class —</option>
<?php foreach ($classSections as $cs): ?>
<option value="<?= esc($cs['class_section_id']) ?>"
<?= ((string)$selectedClassId === (string)$cs['class_section_id']) ? 'selected' : '' ?>>
<?= esc($cs['class_section_name']) ?>
</option>
<?php endforeach; ?>
</select>
</div>
<div class="col-12 col-md-3">
<label class="form-label fw-semibold mb-1">School Year</label>
<input type="text" name="school_year" class="form-control" value="<?= esc($schoolYear) ?>" placeholder="e.g. 2024-2025">
</div>
<div class="col-auto">
<button type="submit" class="btn btn-primary">
<i class="bi bi-funnel me-1"></i>Load Students
</button>
</div>
<!-- Grade tabs -->
<ul class="nav nav-tabs justify-content-center" id="certTabs" role="tablist" style="flex-wrap:wrap;row-gap:.25rem;">
<?php foreach ($gradeGroups as $key => $group): ?>
<?php
$slug = $group['slug'];
$label = $group['label'];
$total = array_sum(array_map(fn($id) => $statsPerClass[$id]['total'] ?? 0, $group['csids']));
$grpPass = array_sum(array_map(fn($id) => $statsPerClass[$id]['pass'] ?? 0, $group['csids']));
$grpCert = array_sum(array_map(fn($id) => $statsPerClass[$id]['cert'] ?? 0, $group['csids']));
$fullyDone = $grpPass > 0 && $grpCert >= $grpPass;
$hasPass = $grpPass > 0;
$isActive = ($key === $defaultKey);
$statusTitle = $hasPass
? ($fullyDone ? 'Fully generated (' . $grpCert . '/' . $grpPass . ')' : 'Not fully generated (' . $grpCert . '/' . $grpPass . ')')
: 'No eligible students';
?>
<li class="nav-item" role="presentation">
<a class="nav-link <?= $isActive ? 'active' : '' ?>"
id="cert-<?= esc($slug) ?>-tab"
data-bs-toggle="tab"
href="#cert-<?= esc($slug) ?>"
role="tab"
aria-controls="cert-<?= esc($slug) ?>"
aria-selected="<?= $isActive ? 'true' : 'false' ?>">
<span class="cert-status-dot <?= !$hasPass ? 'no-eligible' : ($fullyDone ? 'done' : 'pending') ?>"
title="<?= esc($statusTitle) ?>"></span>
<?= esc($label) ?>
<span class="badge bg-secondary ms-1"><?= $total ?></span>
</a>
</li>
<?php endforeach; ?>
</ul>
<!-- Tab content -->
<div class="tab-content mt-3" id="certTabContent">
<?php foreach ($gradeGroups as $key => $group): ?>
<?php $isActive = ($key === $defaultKey); ?>
<div class="tab-pane fade <?= $isActive ? 'show active' : '' ?>"
id="cert-<?= esc($group['slug']) ?>"
role="tabpanel"
aria-labelledby="cert-<?= esc($group['slug']) ?>-tab">
<?php foreach ($group['csids'] as $csid): ?>
<?php
$cs = $statsPerClass[$csid];
$students = $studentsByClass[$csid] ?? [];
$csPass = $cs['pass'];
$csCert = $cs['cert'];
$csRemain = max(0, $csPass - $csCert);
$formId = 'certForm-' . $csid;
$tableId = 'studentsTable-' . $csid;
?>
<h4 class="mt-4 mb-2 text-center"><?= esc($cs['name']) ?></h4>
<?php if (empty($students)): ?>
<p class="text-muted text-center">No active students.</p>
<?php else: ?>
<form method="post" action="<?= site_url('administrator/certificates/generate') ?>"
id="<?= esc($formId) ?>" class="cert-form mb-5">
<?= csrf_field() ?>
<input type="hidden" name="class_section_id" value="<?= (int)$csid ?>">
<input type="hidden" name="school_year" value="<?= esc($schoolYear) ?>">
<!-- Stats + date picker -->
<div class="d-flex justify-content-between align-items-center flex-wrap gap-2 mb-2">
<div class="d-flex align-items-center gap-4 flex-wrap">
<span class="fw-semibold">
Students <span class="badge bg-secondary ms-1"><?= count($students) ?></span>
</span>
<span class="text-muted small">
<strong class="text-success"><?= $csPass ?></strong> Pass
</span>
<span class="text-muted small">
<strong class="text-primary"><?= $csCert ?></strong> Generated
</span>
<span class="text-muted small">
<strong class="<?= $csRemain > 0 ? 'text-warning' : 'text-muted' ?>"><?= $csRemain ?></strong> Remaining
</span>
</div>
</form>
</div>
</div>
<?php if (!empty($students)): ?>
<!-- Certificate generation form -->
<form method="post" action="<?= site_url('administrator/certificates/generate') ?>" id="certForm">
<?= csrf_field() ?>
<input type="hidden" name="class_section_id" value="<?= esc($selectedClassId) ?>">
<input type="hidden" name="school_year" value="<?= esc($schoolYear) ?>">
<div class="card shadow-sm mb-3">
<div class="card-header d-flex justify-content-between align-items-center flex-wrap gap-2">
<span class="fw-semibold">
Students
<span class="badge bg-secondary ms-1"><?= count($students) ?></span>
</span>
<div class="d-flex align-items-center gap-3">
<div class="input-group input-group-sm" style="width:200px;">
<span class="input-group-text"><i class="bi bi-calendar3"></i></span>
<input type="date" class="form-control" id="certDatePicker"
value="<?= date('Y-m-d') ?>" title="Certificate date">
<input type="hidden" name="cert_date" id="certDateHidden" value="<?= esc($certDate) ?>">
</div>
<div class="form-check mb-0">
<input class="form-check-input" type="checkbox" id="selectAll">
<label class="form-check-label" for="selectAll">Select all</label>
</div>
<div class="input-group input-group-sm" style="width:200px;">
<span class="input-group-text"><i class="bi bi-calendar3"></i></span>
<input type="date" class="form-control cert-date-picker"
value="<?= date('Y-m-d') ?>" title="Certificate date">
<input type="hidden" name="cert_date" class="cert-date-hidden" value="<?= esc($certDate) ?>">
</div>
</div>
<div class="card-body p-0">
<div class="table-responsive">
<table class="table table-hover table-striped align-middle mb-0 no-mgmt-sticky" id="studentsTable">
<thead class="table-light">
<tr>
<th style="width:40px;"></th>
<th>Last Name</th>
<th>First Name</th>
<th>Grade / Class</th>
</tr>
</thead>
<tbody>
<?php foreach ($students as $s): ?>
<tr>
<td class="text-center">
<input class="form-check-input student-check" type="checkbox"
name="student_ids[]" value="<?= (int) $s['id'] ?>">
</td>
<td><?= esc($s['lastname']) ?></td>
<td><?= esc($s['firstname']) ?></td>
<td><?= esc($s['grade'] ?? '') ?></td>
</tr>
<?php endforeach; ?>
</tbody>
</table>
</div>
<!-- Student table -->
<div class="table-responsive">
<table class="table table-hover table-striped align-middle mb-0 cert-students-table"
id="<?= esc($tableId) ?>">
<thead class="table-light">
<tr>
<th style="width:40px;" class="text-center">
<input class="form-check-input cert-select-all" type="checkbox">
</th>
<th>First Name</th>
<th>Last Name</th>
<th>Decision</th>
<th>Certificate No.</th>
</tr>
</thead>
<tbody>
<?php foreach ($students as $s): ?>
<?php
$sid = (int)$s['student_id'];
$stuDec = $decisionsByStudent[$sid] ?? [];
$certNo = $certsByStudent[$sid] ?? null;
$allDecs = array_map(fn($d) => $d['decision'], $stuDec);
$hasPending = in_array('', $allDecs, true);
$unique = array_values(array_unique(array_filter($allDecs, fn($d) => $d !== '')));
$isPass = !empty($stuDec) && !$hasPending && $unique === ['Pass'];
$displayDecs = $isPass ? ['Pass'] : array_values(array_filter($unique, fn($d) => $d !== 'Pass'));
?>
<tr>
<td class="text-center">
<input class="form-check-input cert-student-check" type="checkbox"
name="student_ids[]" value="<?= $sid ?>"
<?= $isPass ? '' : 'disabled' ?>>
</td>
<td><?= esc($s['firstname']) ?></td>
<td><?= esc($s['lastname']) ?></td>
<td>
<?php if (empty($stuDec)): ?>
<span class="text-muted small">—</span>
<?php elseif ($hasPending || empty($unique) || empty($displayDecs)): ?>
<span class="badge bg-warning text-dark">Pending</span>
<?php else: ?>
<?php foreach ($displayDecs as $dec): $color = $decisionBadge[$dec] ?? 'secondary'; ?>
<span class="badge bg-<?= esc($color) ?> me-1"><?= esc($dec) ?></span>
<?php endforeach; ?>
<?php endif; ?>
</td>
<td>
<?php if ($certNo): ?>
<a href="<?= site_url('administrator/certificates/reprint/' . rawurlencode($certNo)) ?>"
target="_blank" class="font-monospace small">
<?= esc($certNo) ?>
</a>
<?php else: ?>
<span class="text-muted">—</span>
<?php endif; ?>
</td>
</tr>
<?php endforeach; ?>
</tbody>
</table>
</div>
<div class="card-footer d-flex justify-content-between align-items-center">
<span class="text-muted small" id="selectedCount">0 students selected</span>
<button type="submit" class="btn btn-success" id="generateBtn" disabled>
<!-- Footer -->
<div class="d-flex justify-content-between align-items-center mt-2">
<span class="text-muted small cert-selected-count">0 students selected</span>
<button type="submit" class="btn btn-success cert-generate-btn" disabled>
<i class="bi bi-printer me-1"></i>Generate &amp; Print Certificates
</button>
</div>
</div>
</form>
</form>
<?php elseif ($selectedClassId !== null && $selectedClassId !== ''): ?>
<div class="alert alert-warning">No active students found for the selected class and school year.</div>
<?php else: ?>
<div class="alert alert-info">Select a class above to load its student roster.</div>
<?php endif; ?>
<?php endif; ?>
<?php endforeach; ?>
</div>
<?php endforeach; ?>
</div>
<?php endif; ?>
</div><!-- .wrapper -->
</div><!-- .container-fluid -->
<script>
(function () {
const certForm = document.getElementById('certForm');
const csrfRefreshUrl = <?= json_encode(site_url('administrator/certificates/csrf-token'), JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT) ?>;
let currentCsrfTokenName = <?= json_encode(csrf_token(), JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT) ?>;
const csrfRefreshUrl = <?= json_encode(site_url('administrator/certificates/csrf-token'), JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT) ?>;
let currentCsrfTokenName = <?= json_encode(csrf_token(), JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT) ?>;
function syncCsrfField() {
if (!certForm) {
return '';
}
let tokenInput = certForm.querySelector(`input[name="${cssEscape(currentCsrfTokenName)}"]`);
if (!tokenInput) {
tokenInput = document.createElement('input');
tokenInput.type = 'hidden';
tokenInput.name = currentCsrfTokenName;
certForm.appendChild(tokenInput);
}
return tokenInput.value || '';
function cssEscape(v) {
return window.CSS?.escape ? window.CSS.escape(v) : String(v).replace(/(["\\.#:[\],= ])/g, '\\$1');
}
function updateCsrfToken(name, hash) {
if (!certForm || !name || !hash) {
return;
}
certForm.querySelectorAll('input[type="hidden"]').forEach((input) => {
if (input.name === name || input.name === currentCsrfTokenName) {
input.name = name;
input.value = hash;
}
function updateCsrfInForm(form, name, hash) {
if (!form || !name || !hash) return;
form.querySelectorAll('input[type="hidden"]').forEach(inp => {
if (inp.name === name || inp.name === currentCsrfTokenName) { inp.name = name; inp.value = hash; }
});
let tokenInput = certForm.querySelector(`input[name="${cssEscape(name)}"]`);
if (!tokenInput) {
tokenInput = document.createElement('input');
tokenInput.type = 'hidden';
tokenInput.name = name;
certForm.appendChild(tokenInput);
}
tokenInput.value = hash;
let inp = form.querySelector(`input[name="${cssEscape(name)}"]`);
if (!inp) { inp = document.createElement('input'); inp.type = 'hidden'; inp.name = name; form.appendChild(inp); }
inp.value = hash;
currentCsrfTokenName = name;
}
function cssEscape(value) {
if (window.CSS && typeof window.CSS.escape === 'function') {
return window.CSS.escape(value);
}
return String(value).replace(/(["\\.#:[\],= ])/g, '\\$1');
}
function showInlineError(message) {
const existing = document.getElementById('certFormError');
if (existing) {
existing.remove();
}
const alert = document.createElement('div');
alert.id = 'certFormError';
alert.className = 'alert alert-danger alert-dismissible fade show';
alert.setAttribute('role', 'alert');
alert.innerHTML = `${message}<button type="button" class="btn-close" data-bs-dismiss="alert"></button>`;
const container = document.querySelector('.container-fluid.py-4');
const firstCard = document.querySelector('.card.shadow-sm.mb-4');
if (container && firstCard) {
container.insertBefore(alert, firstCard);
} else if (container) {
container.prepend(alert);
}
}
async function refreshCsrfToken() {
if (!certForm) {
return;
}
const response = await fetch(csrfRefreshUrl, {
method: 'GET',
credentials: 'same-origin',
headers: {
'X-Requested-With': 'XMLHttpRequest',
'Cache-Control': 'no-store',
},
});
if (!response.ok) {
throw new Error('Unable to refresh CSRF token.');
}
const data = await response.json();
if (data?.csrf_token && data?.csrf_hash) {
updateCsrfToken(data.csrf_token, data.csrf_hash);
} else {
throw new Error('Invalid CSRF token response.');
}
}
// Sync date picker → hidden field (MM/DD/YYYY format for the certificate)
const datePicker = document.getElementById('certDatePicker');
const dateHidden = document.getElementById('certDateHidden');
if (datePicker && dateHidden) {
datePicker.addEventListener('change', function () {
const d = new Date(this.value + 'T00:00:00');
if (!isNaN(d)) {
const mm = String(d.getMonth() + 1).padStart(2, '0');
const dd = String(d.getDate()).padStart(2, '0');
const yy = d.getFullYear();
dateHidden.value = mm + '/' + dd + '/' + yy;
}
});
}
// Select-all toggle
const selectAll = document.getElementById('selectAll');
const checks = document.querySelectorAll('.student-check');
const generateBtn = document.getElementById('generateBtn');
const selectedCount = document.getElementById('selectedCount');
let pdfWindow = null;
let activePdfBlobUrl = null;
function renderPdfWindowShell(targetWindow) {
if (!targetWindow) {
return;
}
targetWindow.document.open();
targetWindow.document.write(`<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Certificate PDF</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
html, body {
margin: 0;
height: 100%;
background: #f3f4f6;
font-family: Arial, sans-serif;
}
.viewer-shell {
display: flex;
flex-direction: column;
height: 100%;
}
.viewer-status {
padding: 12px 16px;
background: #111827;
color: #fff;
font-size: 14px;
}
.viewer-frame {
flex: 1;
width: 100%;
border: 0;
background: #cbd5e1;
}
</style>
</head>
<body>
<div class="viewer-shell">
<div class="viewer-status" id="viewerStatus">Preparing certificate PDF...</div>
<iframe class="viewer-frame" id="pdfFrame" title="Certificate PDF preview"></iframe>
</div>
<script>
window.showCertificatePdf = function (url, filename) {
const frame = document.getElementById('pdfFrame');
const status = document.getElementById('viewerStatus');
if (status) {
status.textContent = filename ? ('Showing ' + filename) : 'Certificate PDF ready';
}
if (frame) {
frame.src = url;
}
document.title = filename || 'Certificate PDF';
};
<\/script>
</body>
</html>`);
targetWindow.document.close();
async function refreshCsrf(form) {
const r = await fetch(csrfRefreshUrl, { method: 'GET', credentials: 'same-origin', headers: { 'X-Requested-With': 'XMLHttpRequest', 'Cache-Control': 'no-store' } });
if (!r.ok) throw new Error('CSRF refresh failed');
const d = await r.json();
if (d?.csrf_token && d?.csrf_hash) updateCsrfInForm(form, d.csrf_token, d.csrf_hash);
}
let pdfWindow = null, activePdfBlobUrl = null;
function openPdfWindow() {
if (!pdfWindow || pdfWindow.closed) {
pdfWindow = window.open('', 'certificatePdfWindow');
}
if (!pdfWindow) {
return null;
}
try {
renderPdfWindowShell(pdfWindow);
return pdfWindow;
} catch (error) {
pdfWindow = window.open('', 'certificatePdfWindow');
if (!pdfWindow) {
return null;
}
renderPdfWindowShell(pdfWindow);
return pdfWindow;
}
if (!pdfWindow || pdfWindow.closed) pdfWindow = window.open('', 'certificatePdfWindow');
if (!pdfWindow) return null;
pdfWindow.document.open();
pdfWindow.document.write(`<!DOCTYPE html><html><head><meta charset="utf-8"><title>Certificate PDF</title>
<style>html,body{margin:0;height:100%;background:#f3f4f6;font-family:Arial,sans-serif}.viewer-shell{display:flex;flex-direction:column;height:100%}.viewer-status{padding:12px 16px;background:#111827;color:#fff;font-size:14px}.viewer-frame{flex:1;width:100%;border:0;background:#cbd5e1}</style></head>
<body><div class="viewer-shell"><div class="viewer-status" id="viewerStatus">Preparing certificate PDF...</div><iframe class="viewer-frame" id="pdfFrame"></iframe></div>
<script>window.showCertificatePdf=function(url,fn){const f=document.getElementById('pdfFrame'),s=document.getElementById('viewerStatus');if(s)s.textContent=fn?'Showing '+fn:'Certificate PDF ready';if(f)f.src=url;document.title=fn||'Certificate PDF'};<\/script></body></html>`);
pdfWindow.document.close();
return pdfWindow;
}
function showError(pane, msg) {
let el = pane.querySelector('.cert-inline-error');
if (!el) { el = document.createElement('div'); el.className = 'alert alert-danger alert-dismissible fade show cert-inline-error'; pane.prepend(el); }
el.innerHTML = `${msg}<button type="button" class="btn-close" data-bs-dismiss="alert"></button>`;
}
function updateState() {
const chosen = document.querySelectorAll('.student-check:checked').length;
selectedCount.textContent = chosen + ' student' + (chosen !== 1 ? 's' : '') + ' selected';
generateBtn.disabled = chosen === 0;
document.querySelectorAll('.cert-form').forEach(function (form) {
const pane = form.closest('.tab-pane') || form.parentElement;
const selectAll = form.querySelector('.cert-select-all');
const checks = form.querySelectorAll('.cert-student-check');
const eligibleChecks = form.querySelectorAll('.cert-student-check:not([disabled])');
const generateBtn = form.querySelector('.cert-generate-btn');
const selectedCount = form.querySelector('.cert-selected-count');
const datePicker = form.querySelector('.cert-date-picker');
const dateHidden = form.querySelector('.cert-date-hidden');
if (datePicker && dateHidden) {
datePicker.addEventListener('change', function () {
const d = new Date(this.value + 'T00:00:00');
if (!isNaN(d)) dateHidden.value = String(d.getMonth()+1).padStart(2,'0')+'/'+String(d.getDate()).padStart(2,'0')+'/'+d.getFullYear();
});
}
function updateState() {
const chosen = form.querySelectorAll('.cert-student-check:checked').length;
if (selectedCount) selectedCount.textContent = chosen + ' student' + (chosen !== 1 ? 's' : '') + ' selected';
if (generateBtn) generateBtn.disabled = chosen === 0;
if (selectAll) {
const ec = eligibleChecks.length;
selectAll.checked = ec > 0 && chosen === ec;
selectAll.indeterminate = chosen > 0 && chosen < ec;
}
}
if (selectAll) {
selectAll.checked = chosen === checks.length && checks.length > 0;
selectAll.indeterminate = chosen > 0 && chosen < checks.length;
selectAll.addEventListener('change', function () {
eligibleChecks.forEach(c => { c.checked = this.checked; });
updateState();
});
}
}
checks.forEach(c => c.addEventListener('change', updateState));
updateState();
if (selectAll) {
selectAll.addEventListener('change', function () {
checks.forEach(c => { c.checked = this.checked; });
updateState();
});
}
if (certForm) {
certForm.addEventListener('submit', async function (event) {
event.preventDefault();
const chosen = document.querySelectorAll('.student-check:checked').length;
if (chosen === 0) {
showInlineError('Please select at least one student.');
return;
}
const previewWindow = openPdfWindow();
if (!previewWindow) {
showInlineError('Unable to open the certificate PDF tab. Please allow pop-ups for this site.');
return;
}
const originalHtml = generateBtn.innerHTML;
form.addEventListener('submit', async function (e) {
e.preventDefault();
const chosen = form.querySelectorAll('.cert-student-check:checked').length;
if (chosen === 0) { showError(pane, 'Please select at least one student.'); return; }
const win = openPdfWindow();
if (!win) { showError(pane, 'Unable to open PDF tab — please allow pop-ups.'); return; }
const origHtml = generateBtn.innerHTML;
generateBtn.disabled = true;
generateBtn.innerHTML = '<span class="spinner-border spinner-border-sm me-1" role="status" aria-hidden="true"></span>Generating...';
generateBtn.innerHTML = '<span class="spinner-border spinner-border-sm me-1"></span>Generating...';
try {
await refreshCsrfToken();
const csrfValue = syncCsrfField();
const formData = new FormData(certForm);
if (csrfValue) {
formData.set(currentCsrfTokenName, csrfValue);
}
const response = await fetch(certForm.action, {
method: 'POST',
body: formData,
credentials: 'same-origin',
headers: {
'X-Requested-With': 'XMLHttpRequest',
},
});
const nextCsrfName = response.headers.get('X-CSRF-TOKEN-NAME') || currentCsrfTokenName;
const nextCsrfHash = response.headers.get('X-CSRF-TOKEN');
if (nextCsrfName && nextCsrfHash) {
updateCsrfToken(nextCsrfName, nextCsrfHash);
}
const contentType = response.headers.get('Content-Type') || '';
if (!response.ok || !contentType.toLowerCase().includes('application/pdf')) {
let message = 'Certificate generation failed.';
try {
const data = await response.json();
if (data?.csrf_token && data?.csrf_hash) {
updateCsrfToken(data.csrf_token, data.csrf_hash);
}
if (data?.error) {
message = data.error;
}
} catch (jsonError) {
const text = await response.text();
if (text) {
message = text;
}
}
pdfWindow.close();
showInlineError(message);
await refreshCsrfToken();
await refreshCsrf(form);
const csrfVal = form.querySelector(`input[name="${cssEscape(currentCsrfTokenName)}"]`)?.value || '';
const fd = new FormData(form);
if (csrfVal) fd.set(currentCsrfTokenName, csrfVal);
const resp = await fetch(form.action, { method: 'POST', body: fd, credentials: 'same-origin', headers: { 'X-Requested-With': 'XMLHttpRequest' } });
const nn = resp.headers.get('X-CSRF-TOKEN-NAME'), nh = resp.headers.get('X-CSRF-TOKEN');
if (nn && nh) updateCsrfInForm(form, nn, nh);
const ct = resp.headers.get('Content-Type') || '';
if (!resp.ok || !ct.toLowerCase().includes('application/pdf')) {
let msg = 'Certificate generation failed.';
try { const d = await resp.json(); if (d?.error) msg = d.error; } catch (_) { try { msg = await resp.text() || msg; } catch (_2) {} }
win.close(); showError(pane, msg);
await refreshCsrf(form).catch(() => {});
return;
}
const disposition = response.headers.get('Content-Disposition') || '';
const filenameMatch = disposition.match(/filename="?([^"]+)"?/i);
const filename = filenameMatch ? filenameMatch[1] : 'Certificates.pdf';
const pdfBlob = await response.blob();
const blobUrl = URL.createObjectURL(pdfBlob);
if (activePdfBlobUrl) {
URL.revokeObjectURL(activePdfBlobUrl);
}
activePdfBlobUrl = blobUrl;
previewWindow.showCertificatePdf(blobUrl, filename);
await refreshCsrfToken();
} catch (error) {
showInlineError('Certificate generation failed. Please try again.');
try {
await refreshCsrfToken();
} catch (csrfError) {
// Leave the current token in place if refresh also fails.
}
const disp = resp.headers.get('Content-Disposition') || '';
const fn = (disp.match(/filename="?([^"]+)"?/i) || [])[1] || 'Certificates.pdf';
const url = URL.createObjectURL(await resp.blob());
if (activePdfBlobUrl) URL.revokeObjectURL(activePdfBlobUrl);
activePdfBlobUrl = url;
win.showCertificatePdf(url, fn);
const activePane = form.closest('.tab-pane');
if (activePane?.id) window.location.hash = activePane.id;
window.location.reload();
} catch (_) {
showError(pane, 'Certificate generation failed. Please try again.');
await refreshCsrf(form).catch(() => {});
} finally {
generateBtn.innerHTML = originalHtml;
generateBtn.innerHTML = origHtml;
updateState();
}
});
}
checks.forEach(c => c.addEventListener('change', updateState));
updateState();
});
})();
</script>
<?= $this->section('scripts') ?>
<script>
// Restore tab from hash — runs after Bootstrap is loaded
(function () {
const hash = window.location.hash;
if (!hash) return;
const tabLink = document.querySelector('a[href="' + hash + '"][data-bs-toggle="tab"]');
if (tabLink && window.bootstrap?.Tab) {
new bootstrap.Tab(tabLink).show();
}
})();
</script>
<style>
.cert-status-dot {
display: inline-block;
width: 8px; height: 8px;
border-radius: 50%;
margin-right: 5px;
vertical-align: middle;
flex-shrink: 0;
}
.cert-status-dot.done { background-color: #198754; }
.cert-status-dot.pending { background-color: #dc3545; }
.cert-status-dot.no-eligible { background-color: #adb5bd; }
</style>
<script>
(function () {
if (!window.$ || !$.fn?.DataTable) return;
$(function () {
document.querySelectorAll('.cert-students-table').forEach(function (tbl) {
if ($.fn.DataTable.isDataTable(tbl)) return;
try {
$(tbl).DataTable({
order: [[1, 'asc'], [2, 'asc']],
pageLength: 100,
lengthMenu: [25, 50, 100, 200],
columnDefs: [{ orderable: false, targets: [0, 3, 4] }]
});
} catch (_) {}
});
});
})();
</script>
<?= $this->endSection() ?>
<?= $this->endSection() ?>