root
587 lines
24 KiB
PHP
587 lines
24 KiB
PHP
<?php
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namespace App\Controllers\View;
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use App\Controllers\BaseController;
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use App\Models\ClassSectionModel;
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use App\Models\ConfigurationModel;
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use App\Models\CertificateRecordModel;
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use App\Models\StudentDecisionModel;
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class CertificateController extends BaseController
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{
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protected $classSectionModel;
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protected $configModel;
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protected $certRecordModel;
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protected $schoolYear;
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public function __construct()
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{
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$this->classSectionModel = new ClassSectionModel();
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$this->configModel = new ConfigurationModel();
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$this->certRecordModel = new CertificateRecordModel();
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$this->schoolYear = $this->configModel->getConfig('school_year');
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}
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// ─── Admin UI ──────────────────────────────────────────────────────────────
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public function index()
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{
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$db = \Config\Database::connect();
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$selectedCsid = $this->request->getGet('class_section_id');
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$schoolYear = $this->request->getGet('school_year') ?? $this->schoolYear;
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// ── All enrolled students across every class section ───────────────────
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$allEnrolled = $db->table('student_class sc')
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->select('s.id AS student_id, s.firstname, s.lastname, sc.class_section_id, cs.class_section_name')
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->join('students s', 's.id = sc.student_id')
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->join('classSection cs', 'cs.class_section_id = sc.class_section_id')
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->where('s.is_active', 1)
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->where('sc.school_year', $schoolYear)
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->orderBy('s.firstname', 'ASC')
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->orderBy('s.lastname', 'ASC')
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->get()->getResultArray();
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$allIds = array_unique(array_column($allEnrolled, 'student_id'));
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// ── Semester scores ────────────────────────────────────────────────────
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$allScoreMap = [];
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if (!empty($allIds)) {
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foreach ($db->table('semester_scores')
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->select('student_id, semester, semester_score')
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->whereIn('student_id', $allIds)
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->where('school_year', $schoolYear)
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->where('semester_score IS NOT NULL', null, false)
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->get()->getResultArray() as $sr) {
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$allScoreMap[(int)$sr['student_id']][ucfirst(strtolower($sr['semester']))] =
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is_numeric($sr['semester_score']) ? (float)$sr['semester_score'] : null;
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}
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}
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// ── Below-60 manual decisions ──────────────────────────────────────────
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$allBelowMap = [];
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if (!empty($allIds)) {
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foreach ($db->table('below_sixty_decisions')
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->whereIn('student_id', $allIds)
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->where('school_year', $schoolYear)
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->get()->getResultArray() as $b) {
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$allBelowMap[(int)$b['student_id']][ucfirst(strtolower($b['semester']))] = (string)$b['decision'];
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}
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}
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// ── Certificate records (most recent per student) ──────────────────────
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$certsByStudent = [];
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if (!empty($allIds)) {
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foreach ($db->table('certificate_records')
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->select('student_id, certificate_number, issued_at')
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->whereIn('student_id', $allIds)
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->where('school_year', $schoolYear)
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->orderBy('issued_at', 'DESC')
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->get()->getResultArray() as $c) {
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$sid = (int)$c['student_id'];
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if (!isset($certsByStudent[$sid])) {
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$certsByStudent[$sid] = $c['certificate_number'];
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}
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}
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}
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// ── Build per-student decisions + per-class buckets ────────────────────
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$decisionsByStudent = [];
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$studentsByClass = []; // [csid => [student rows...]]
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$statsPerClass = []; // [csid => {name, total, pass, cert}]
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foreach ($allEnrolled as $row) {
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$sid = (int)$row['student_id'];
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$csid = (int)$row['class_section_id'];
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// Decisions per semester
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foreach ($allScoreMap[$sid] ?? [] as $sem => $score) {
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if ($score === null) continue;
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if ($score >= 60) {
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$dec = 'Pass'; $src = 'auto';
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} elseif (!empty($allBelowMap[$sid][$sem])) {
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$dec = $allBelowMap[$sid][$sem]; $src = 'manual';
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} else {
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$dec = ''; $src = 'pending';
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}
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$decisionsByStudent[$sid][$sem] = ['decision' => $dec, 'source' => $src];
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}
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// Per-class stats
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if (!isset($statsPerClass[$csid])) {
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$statsPerClass[$csid] = ['name' => $row['class_section_name'], 'total' => 0, 'pass' => 0, 'cert' => 0];
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}
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$statsPerClass[$csid]['total']++;
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$sems = $allScoreMap[$sid] ?? [];
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$isPass = !empty($sems);
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foreach ($sems as $sem => $score) {
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if ($score === null) { $isPass = false; break; }
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if ($score >= 60) continue;
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$md = $allBelowMap[$sid][$sem] ?? '';
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if ($md === '' || $md !== 'Pass') { $isPass = false; break; }
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}
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if ($isPass) $statsPerClass[$csid]['pass']++;
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if (isset($certsByStudent[$sid])) $statsPerClass[$csid]['cert']++;
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// Group students by class
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$studentsByClass[$csid][] = $row;
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}
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// ── Determine default active tab ───────────────────────────────────────
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$firstCsid = !empty($allEnrolled) ? (int)$allEnrolled[0]['class_section_id'] : null;
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if ($selectedCsid === null && $firstCsid !== null) {
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$selectedCsid = (string)$firstCsid;
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}
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return view('admin/certificates/index', [
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'studentsByClass' => $studentsByClass,
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'selectedClassId' => $selectedCsid,
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'schoolYear' => $schoolYear,
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'certDate' => date('m/d/Y'),
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'decisionsByStudent' => $decisionsByStudent,
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'certsByStudent' => $certsByStudent,
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'statsPerClass' => $statsPerClass,
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]);
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}
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public function auditLog()
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{
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$schoolYear = $this->request->getGet('school_year') ?? $this->schoolYear;
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$records = $this->certRecordModel->getAuditLog($schoolYear);
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$yearSummary = $this->certRecordModel->yearSummary();
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return view('admin/certificates/audit_log', [
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'records' => $records,
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'schoolYear' => $schoolYear,
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'yearSummary' => $yearSummary,
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]);
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}
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public function csrfToken()
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{
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return $this->response
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->setHeader('Cache-Control', 'no-store, no-cache, must-revalidate, max-age=0')
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->setHeader('Pragma', 'no-cache')
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->setJSON([
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'csrf_token' => csrf_token(),
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'csrf_hash' => csrf_hash(),
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]);
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}
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// ─── Public verification page ──────────────────────────────────────────────
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public function verify(string $certNumber)
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{
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$record = \Config\Database::connect()
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->table('certificate_records cr')
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->select('cr.*, u.firstname AS admin_firstname, u.lastname AS admin_lastname')
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->join('users u', 'u.id = cr.issued_by', 'left')
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->groupStart()
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->where('cr.verification_token', $certNumber)
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->orWhere('cr.certificate_number', strtoupper($certNumber))
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->groupEnd()
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->get()->getRowArray();
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return view('certificates/verify', ['record' => $record ?: null]);
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}
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// ─── Reprint an existing certificate ──────────────────────────────────────
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public function reprint(string $certNumber)
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{
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$record = \Config\Database::connect()
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->table('certificate_records')
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->where('certificate_number', strtoupper($certNumber))
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->get()->getRowArray();
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if (!$record) {
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return redirect()->to('administrator/certificates/log')
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->with('error', 'Certificate not found: ' . $certNumber);
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}
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$certDateFormatted = '';
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if (!empty($record['cert_date'])) {
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$ts = strtotime((string)$record['cert_date']);
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if ($ts) {
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$certDateFormatted = date('m/d/Y', $ts);
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}
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}
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$student = [
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'firstname' => (string)($record['student_name'] ?? ''),
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'lastname' => '',
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'grade' => (string)($record['grade'] ?? ''),
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'cert_number' => (string)($record['certificate_number'] ?? ''),
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'verify_token' => $this->ensureVerificationTokenForRecord($record),
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];
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// student_name is stored as "Firstname Lastname" — split for the PDF builder
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$parts = explode(' ', trim($student['firstname']), 2);
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if (count($parts) === 2) {
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$student['firstname'] = $parts[0];
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$student['lastname'] = $parts[1];
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}
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$pdfData = $this->buildPdf([$student], $certDateFormatted ?: date('m/d/Y'));
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$filename = 'Certificate_' . strtoupper($certNumber) . '.pdf';
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return $this->response
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->setHeader('Content-Type', 'application/pdf')
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->setHeader('Content-Disposition', 'inline; filename="' . $filename . '"')
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->setBody($pdfData);
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}
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// ─── PDF generation ────────────────────────────────────────────────────────
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public function generate()
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{
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$studentIds = $this->request->getPost('student_ids') ?? [];
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$certDate = trim($this->request->getPost('cert_date') ?? date('m/d/Y'));
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$classSectionId = $this->request->getPost('class_section_id');
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$schoolYear = $this->request->getPost('school_year') ?? $this->schoolYear;
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if (empty($studentIds)) {
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if ($this->request->isAJAX()) {
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return $this->response
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->setStatusCode(422)
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->setJSON([
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'ok' => false,
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'error' => 'Please select at least one student.',
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'csrf_token' => csrf_token(),
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'csrf_hash' => csrf_hash(),
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]);
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}
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return redirect()->to('administrator/certificates')->with('error', 'Please select at least one student.');
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}
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$studentIds = array_filter(array_map('intval', $studentIds));
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$certDate = preg_replace('/[^0-9\/\-]/', '', $certDate);
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if (empty($studentIds)) {
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if ($this->request->isAJAX()) {
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return $this->response
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->setStatusCode(422)
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->setJSON([
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'ok' => false,
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'error' => 'Invalid student selection.',
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'csrf_token' => csrf_token(),
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'csrf_hash' => csrf_hash(),
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]);
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}
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return redirect()->to('administrator/certificates')->with('error', 'Invalid student selection.');
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}
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$db = \Config\Database::connect();
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$students = [];
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foreach ($studentIds as $id) {
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$row = null;
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if ($classSectionId) {
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$row = $db->table('student_class sc')
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->select('s.id, s.firstname, s.lastname, cs.class_section_name AS grade')
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->join('students s', 's.id = sc.student_id')
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->join('classSection cs', 'cs.class_section_id = sc.class_section_id')
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->where('sc.class_section_id', (int) $classSectionId)
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->where('s.id', $id)
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->get()->getRowArray();
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}
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if (!$row) {
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$s = $db->table('students')
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->select('id, firstname, lastname, registration_grade AS grade')
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->where('id', $id)
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->get()->getRowArray();
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$row = $s ?: null;
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}
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if ($row) {
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$students[] = $row;
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}
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}
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if (empty($students)) {
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if ($this->request->isAJAX()) {
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return $this->response
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->setStatusCode(422)
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->setJSON([
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'ok' => false,
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'error' => 'No valid students found.',
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'csrf_token' => csrf_token(),
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'csrf_hash' => csrf_hash(),
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]);
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}
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return redirect()->to('administrator/certificates')->with('error', 'No valid students found.');
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}
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$issuedBy = session()->get('user_id');
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$issuedAt = date('Y-m-d H:i:s');
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$certDateDb = $this->parseCertDate($certDate);
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// Load any existing certificates for these students this school year
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$db = \Config\Database::connect();
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$existingCerts = $db->table('certificate_records')
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->select('id, student_id, certificate_number, verification_token')
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->whereIn('student_id', array_column($students, 'id'))
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->where('school_year', $schoolYear)
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->get()->getResultArray();
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$existingCertMap = [];
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foreach ($existingCerts as $ec) {
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$existingCertMap[(int)$ec['student_id']] = $ec;
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}
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foreach ($students as &$student) {
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$sid = (int)$student['id'];
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if (isset($existingCertMap[$sid])) {
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// Reuse existing certificate number — do not create a new record
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$existing = $existingCertMap[$sid];
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$student['cert_number'] = (string)($existing['certificate_number'] ?? '');
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$student['verify_token'] = $this->ensureVerificationTokenForRecord($existing);
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} else {
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$certNumber = $this->certRecordModel->nextNumber($schoolYear);
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$verifyToken = $this->certRecordModel->generateVerificationToken();
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$this->certRecordModel->insert([
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'certificate_number' => $certNumber,
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'verification_token' => $verifyToken,
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'student_id' => $sid,
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'student_name' => $student['firstname'] . ' ' . $student['lastname'],
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'grade' => $this->formatGrade($student['grade'] ?? ''),
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'cert_date' => $certDateDb,
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'school_year' => $schoolYear,
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'class_section_id' => $classSectionId ?: null,
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'issued_by' => $issuedBy,
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'issued_at' => $issuedAt,
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]);
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$student['cert_number'] = $certNumber;
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$student['verify_token'] = $verifyToken;
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}
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}
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unset($student);
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$pdfData = $this->buildPdf($students, $certDate);
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$filename = 'Certificates_' . date('Ymd_His') . '.pdf';
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return $this->response
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->setHeader('Content-Type', 'application/pdf')
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->setHeader('Content-Disposition', 'inline; filename="' . $filename . '"')
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->setHeader('X-CSRF-TOKEN-NAME', csrf_token())
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->setHeader('X-CSRF-TOKEN', csrf_hash())
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->setBody($pdfData);
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}
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// ─── Helpers ───────────────────────────────────────────────────────────────
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private function parseCertDate(string $certDate): ?string
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{
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if (preg_match('#^(\d{2})/(\d{2})/(\d{4})$#', $certDate, $m)) {
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return $m[3] . '-' . $m[1] . '-' . $m[2];
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}
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if (preg_match('#^\d{4}-\d{2}-\d{2}$#', $certDate)) {
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return $certDate;
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}
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return null;
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}
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private function formatGrade(string $raw): string
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{
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$clean = trim($raw);
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$lower = strtolower($clean);
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// Strip section suffix: "Grade 1-A" → "Grade 1", "Grade 2-B" → "Grade 2"
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if (preg_match('/^grade\s*(\d+)/i', $clean, $m)) {
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return 'Grade ' . (int)$m[1];
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}
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if ($lower === 'youth') {
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return 'Youth';
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}
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if ($lower === 'kg' || $lower === 'kindergarten') {
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return 'Kindergarten';
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}
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// Raw number or number-section (e.g. "1", "1-A", "2-B") → keep number only
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if (preg_match('/^(\d+)([- ][A-Za-z0-9]+)?$/', $clean, $m)) {
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return 'Grade ' . (int)$m[1];
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}
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return $clean;
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}
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private function ensureVerificationTokenForRecord(array $record): string
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{
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$token = trim((string)($record['verification_token'] ?? ''));
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if ($token !== '') {
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return $token;
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}
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$recordId = (int)($record['id'] ?? 0);
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if ($recordId <= 0) {
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return '';
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}
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$token = $this->certRecordModel->generateVerificationToken();
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$this->certRecordModel->update($recordId, ['verification_token' => $token]);
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return $token;
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}
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// ─── PDF rendering ─────────────────────────────────────────────────────────
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private function buildPdf(array $students, string $certDate): string
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{
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$fontDir = FCPATH . 'assets' . DIRECTORY_SEPARATOR . 'certificates' . DIRECTORY_SEPARATOR . 'fonts' . DIRECTORY_SEPARATOR;
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$imgDir = FCPATH . 'assets' . DIRECTORY_SEPARATOR . 'certificates' . DIRECTORY_SEPARATOR . 'images' . DIRECTORY_SEPARATOR;
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$edwardianFont = \TCPDF_FONTS::addTTFfont($fontDir . 'Edwardian Script ITC Regular.ttf', 'TrueTypeUnicode', '', 32);
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$garamondBold = \TCPDF_FONTS::addTTFfont($fontDir . 'Garamond Bold.ttf', 'TrueTypeUnicode', '', 32);
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$ebGaramond = \TCPDF_FONTS::addTTFfont($fontDir . 'EBGaramond-Regular.ttf', 'TrueTypeUnicode', '', 32);
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$pdf = new \TCPDF('L', 'pt', 'A4', true, 'UTF-8', false);
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$pdf->SetCreator('Al Rahma Sunday School');
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$pdf->SetTitle('Student Certificates');
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$pdf->SetMargins(0, 0, 0, true);
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$pdf->SetAutoPageBreak(false, 0);
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$pdf->setPrintHeader(false);
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$pdf->setPrintFooter(false);
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$pdf->SetHeaderMargin(0);
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$pdf->SetFooterMargin(0);
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$W = $pdf->getPageWidth();
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$H = $pdf->getPageHeight();
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foreach ($students as $student) {
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$pdf->AddPage();
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$name = $student['firstname'] . ' ' . $student['lastname'];
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$grade = $this->formatGrade($student['grade'] ?? '');
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$certNumber = $student['cert_number'] ?? '';
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$verifyToken = $student['verify_token'] ?? '';
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$verifyUrl = $verifyToken !== ''
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? site_url('verify/' . rawurlencode($verifyToken))
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: null;
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$this->drawCertificate(
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$pdf, $W, $H,
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$name, $grade, $certDate, $certNumber,
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$verifyUrl,
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$imgDir, $edwardianFont, $garamondBold, $ebGaramond
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);
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}
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return $pdf->Output('', 'S');
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}
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/**
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* Coordinate mapping: iTextSharp origin bottom-left → TCPDF origin top-left.
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* y_tcpdf ≈ H − y_iTextSharp
|
||
*/
|
||
private function drawCertificate(
|
||
\TCPDF $pdf,
|
||
float $W,
|
||
float $H,
|
||
string $name,
|
||
string $grade,
|
||
string $certDate,
|
||
string $certNumber,
|
||
?string $verifyUrl,
|
||
string $imgDir,
|
||
string $edwardianFont,
|
||
string $garamondBold,
|
||
string $ebGaramond
|
||
): void {
|
||
// ── Images
|
||
$pdf->Image($imgDir . 'title.png', 126, 0, 600);
|
||
$pdf->Image($imgDir . 'background.png', 280, 176, 291, 340);
|
||
$pdf->Image($imgDir . 'signature.png', 140, 410, 90, 80);
|
||
|
||
// ── "Presented to:"
|
||
$pdf->SetFont('times', 'B', 24);
|
||
$pdf->SetTextColor(0, 0, 0);
|
||
$pdf->SetXY(0, 151);
|
||
$pdf->Cell($W, 24, 'Presented to:', 0, 0, 'C');
|
||
|
||
// ── QR code — left-aligned with "Presented to:", vertically centred on that line
|
||
$qrSize = 42; // pt
|
||
if (!empty($verifyUrl)) {
|
||
$qrX = 120; // ~1 cm from left edge
|
||
$qrY = 171 + (24 - $qrSize) / 2; // vertically centred on "Presented to:" row
|
||
$style = [
|
||
'border' => false,
|
||
'padding' => 0,
|
||
'fgcolor' => [0, 0, 0],
|
||
'bgcolor' => false,
|
||
];
|
||
$pdf->write2DBarcode($verifyUrl, 'QRCODE,L', $qrX, $qrY, $qrSize, $qrSize, $style, 'N');
|
||
}
|
||
|
||
// ── Student name — center based on actual string width
|
||
$pdf->SetFont($edwardianFont, '', 38);
|
||
$nameX = ($W - $pdf->GetStringWidth($name)) / 2;
|
||
$this->drawGradientText($pdf, $edwardianFont, 38, $name, $nameX, 221.5);
|
||
|
||
// ── Line under name
|
||
$pdf->SetFont('times', '', 20);
|
||
$pdf->SetXY(0, 236);
|
||
$pdf->Cell(600, 20, '___________________________________', 0, 0, 'R');
|
||
|
||
// ── Description
|
||
$pdf->SetFont($ebGaramond, '', 20);
|
||
$pdf->SetXY(0, 273);
|
||
$pdf->Cell($W, 20, 'for successfully completing the requirements of', 0, 0, 'C');
|
||
|
||
// ── Grade
|
||
$pdf->SetFont($garamondBold, '', 20);
|
||
$pdf->SetXY(0, 310);
|
||
$pdf->Cell($W, 20, $grade, 0, 0, 'C');
|
||
|
||
// ── "at"
|
||
$pdf->SetFont('times', '', 20);
|
||
$pdf->SetXY(0, 343);
|
||
$pdf->Cell($W, 20, 'at', 0, 0, 'C');
|
||
|
||
// ── School name
|
||
$pdf->SetFont($garamondBold, '', 20);
|
||
$pdf->SetXY(0, 375);
|
||
$pdf->Cell($W, 20, 'Al Rahma Sunday School', 0, 0, 'C');
|
||
|
||
// ── Date (gradient script)
|
||
$this->drawGradientText($pdf, $edwardianFont, 26, $certDate, 586, 456);
|
||
|
||
// ── Date underline + label
|
||
$pdf->SetFont('times', '', 20);
|
||
$pdf->SetXY(0, 463);
|
||
$pdf->Cell(742, 20, '_________________', 0, 0, 'R');
|
||
$pdf->SetXY(650, 492);
|
||
$pdf->Cell(80, 20, 'Date', 0, 0, 'C');
|
||
|
||
// ── Signature underline + label
|
||
$pdf->SetXY(106, 463);
|
||
$pdf->Cell(200, 20, '_________________', 0, 0, 'L');
|
||
$pdf->SetXY(106, 492);
|
||
$pdf->Cell(168, 20, 'Signature', 0, 0, 'C');
|
||
|
||
// ── Certificate number — 1.4 cm from bottom, 2.5 cm from left
|
||
if ($certNumber !== '') {
|
||
$pdf->SetFont('helvetica', '', 8);
|
||
$pdf->SetTextColor(150, 150, 150);
|
||
$pdf->SetXY(70.86, $H - 39.68);
|
||
$pdf->Cell(200, 12, 'Certificate No. ' . $certNumber, 0, 0, 'L');
|
||
$pdf->SetTextColor(0, 0, 0);
|
||
}
|
||
}
|
||
|
||
private function drawGradientText(\TCPDF $pdf, string $fontName, float $fontSize, string $text, float $x, float $y): void
|
||
{
|
||
$pdf->SetFont($fontName, '', $fontSize);
|
||
|
||
for ($i = 0; $i < 6; $i++) {
|
||
$pdf->setAlpha(($i + 1) * 25 / 255);
|
||
$pdf->SetTextColor(0, 0, 0);
|
||
$pdf->Text($x + $i / 4, $y + $i / 4, $text);
|
||
}
|
||
|
||
$pdf->setAlpha(1);
|
||
$pdf->SetTextColor(0, 0, 0);
|
||
$pdf->Text($x, $y, $text);
|
||
}
|
||
}
|