root
399 lines
15 KiB
PHP
399 lines
15 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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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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$classSectionId = $this->request->getGet('class_section_id');
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$schoolYear = $this->request->getGet('school_year') ?? $this->schoolYear;
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$classSections = $db->table('classSection cs')
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->select('cs.class_section_id, cs.class_section_name')
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->join('student_class sc', 'sc.class_section_id = cs.class_section_id')
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->join('students s', 's.id = sc.student_id')
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->where('s.is_active', 1)
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->where('sc.school_year', $schoolYear)
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->groupBy('cs.class_section_id, cs.class_section_name')
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->having('COUNT(s.id) >', 1)
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->orderBy('cs.class_section_name', 'ASC')
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->get()->getResultArray();
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$students = [];
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if ($classSectionId) {
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$students = $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.is_active', 1)
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->where('sc.school_year', $schoolYear)
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->orderBy('s.lastname', 'ASC')
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->orderBy('s.firstname', 'ASC')
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->get()->getResultArray();
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}
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return view('admin/certificates/index', [
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'classSections' => $classSections,
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'students' => $students,
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'selectedClassId' => $classSectionId,
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'schoolYear' => $schoolYear,
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'certDate' => date('m/d/Y'),
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]);
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}
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public function auditLog()
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{
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$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 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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->where('cr.certificate_number', strtoupper($certNumber))
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->get()->getRowArray();
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return view('certificates/verify', ['record' => $record ?: null]);
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}
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// ─── PDF generation ────────────────────────────────────────────────────────
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public function generate()
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{
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$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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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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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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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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foreach ($students as &$student) {
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$certNumber = $this->certRecordModel->nextNumber($schoolYear);
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$this->certRecordModel->insert([
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'certificate_number' => $certNumber,
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'student_id' => $student['id'],
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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'] = $certNumber;
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}
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unset($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="' . $filename . '"')
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->setBody($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($clean);
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if (preg_match('/^\d+$/', $clean) && (int)$clean >= 1 && (int)$clean <= 9) {
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return 'Grade ' . $clean;
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}
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if ($lower === 'youth') {
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return 'Youth';
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}
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if ($lower === 'kg') {
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return 'Kindergarten';
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}
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return $clean;
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}
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/**
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* Generates a QR code PNG for $url and returns its temporary file path.
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* Caller must unlink() the file when done.
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*/
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private function makeQrTempFile(string $url): ?string
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{
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try {
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$result = \Endroid\QrCode\Builder\Builder::create()
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->writer(new \Endroid\QrCode\Writer\PngWriter())
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->data($url)
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->encoding(new \Endroid\QrCode\Encoding\Encoding('UTF-8'))
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->size(300)
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->margin(2)
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->build();
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$tmp = tempnam(sys_get_temp_dir(), 'cert_qr_') . '.png';
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$result->saveToFile($tmp);
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return $tmp;
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} catch (\Throwable $e) {
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log_message('error', 'Certificate QR generation failed: ' . $e->getMessage());
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return null;
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}
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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 = $pdf->getPageHeight();
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$tmpFiles = [];
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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 = $student['cert_number'] ?? '';
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// Build verification URL and generate QR temp file
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$verifyUrl = base_url('verify/' . rawurlencode($certNumber));
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$qrFile = $certNumber !== '' ? $this->makeQrTempFile($verifyUrl) : null;
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if ($qrFile) {
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$tmpFiles[] = $qrFile;
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}
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$this->drawCertificate(
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$pdf, $W, $H,
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$name, $grade, $certDate, $certNumber,
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$qrFile,
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$imgDir, $edwardianFont, $garamondBold, $ebGaramond
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);
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}
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$output = $pdf->Output('', 'S');
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foreach ($tmpFiles as $f) {
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@unlink($f);
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}
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return $output;
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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
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*/
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private function drawCertificate(
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\TCPDF $pdf,
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float $W,
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float $H,
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string $name,
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string $grade,
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string $certDate,
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string $certNumber,
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?string $qrFile,
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string $imgDir,
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string $edwardianFont,
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string $garamondBold,
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string $ebGaramond
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): void {
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// ── Images
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$pdf->Image($imgDir . 'title.png', 126, 0, 600);
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$pdf->Image($imgDir . 'background.png', 280, 176, 291, 340);
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$pdf->Image($imgDir . 'signature.png', 140, 399, 90, 90);
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// ── QR code — bottom-right corner: 1.5 cm from bottom, 2.5 cm from right
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$qrSize = 42; // pt
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if ($qrFile !== null && file_exists($qrFile)) {
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$qrX = $W - 70.87 - $qrSize; // 2.5 cm from right edge
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$qrY = $H - 42.52 - $qrSize; // 1.5 cm from bottom edge
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$pdf->Image($qrFile, $qrX, $qrY, $qrSize, $qrSize);
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}
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// ── "Presented to:"
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$pdf->SetFont('times', 'B', 24);
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$pdf->SetTextColor(0, 0, 0);
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$pdf->SetXY(0, 151);
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$pdf->Cell($W, 24, 'Presented to:', 0, 0, 'C');
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// ── Student name (bold via fill + stroke)
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$pdf->SetFont($edwardianFont, '', 38);
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$pdf->SetDrawColor(0, 0, 0);
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$pdf->setTextRenderingMode(0.4, true, false);
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$pdf->SetXY(0, 219);
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$pdf->Cell($W, 38, $name, 0, 0, 'C');
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$pdf->setTextRenderingMode(0, true, false);
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// ── Line under name
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$pdf->SetFont('times', '', 20);
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$pdf->SetXY(0, 243);
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$pdf->Cell(600, 20, '___________________________________', 0, 0, 'R');
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// ── Description
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$pdf->SetFont($ebGaramond, '', 20);
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$pdf->SetXY(0, 273);
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$pdf->Cell($W, 20, 'for successfully completing the requirements of', 0, 0, 'C');
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// ── Grade
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$pdf->SetFont($garamondBold, '', 20);
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$pdf->SetXY(0, 310);
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$pdf->Cell($W, 20, $grade, 0, 0, 'C');
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// ── "at"
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$pdf->SetFont('times', '', 20);
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$pdf->SetXY(0, 343);
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$pdf->Cell($W, 20, 'at', 0, 0, 'C');
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// ── School name
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$pdf->SetFont($garamondBold, '', 20);
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$pdf->SetXY(0, 375);
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$pdf->Cell($W, 20, 'Al Rahma Sunday School', 0, 0, 'C');
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// ── Date (gradient script)
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$this->drawGradientText($pdf, $edwardianFont, 26, $certDate, 598, 453);
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// ── Date underline + label
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$pdf->SetFont('times', '', 20);
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$pdf->SetXY(0, 463);
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$pdf->Cell(742, 20, '_________________', 0, 0, 'R');
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$pdf->SetXY(650, 492);
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$pdf->Cell(80, 20, 'Date', 0, 0, 'C');
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// ── Signature underline + label
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$pdf->SetXY(106, 463);
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$pdf->Cell(200, 20, '_________________', 0, 0, 'L');
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$pdf->SetXY(106, 492);
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$pdf->Cell(168, 20, 'Signature', 0, 0, 'C');
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// ── Certificate number — 1.4 cm from bottom, 2.5 cm from left
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if ($certNumber !== '') {
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$pdf->SetFont('helvetica', '', 8);
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$pdf->SetTextColor(150, 150, 150);
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$pdf->SetXY(70.87, $H - 39.68);
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$pdf->Cell(200, 12, 'Certificate No. ' . $certNumber, 0, 0, 'L');
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$pdf->SetTextColor(0, 0, 0);
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}
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}
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private function drawGradientText(\TCPDF $pdf, string $fontName, float $fontSize, string $text, float $x, float $y): void
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{
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$pdf->SetFont($fontName, '', $fontSize);
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for ($i = 0; $i < 6; $i++) {
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$pdf->setAlpha(($i + 1) * 25 / 255);
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$pdf->SetTextColor(0, 0, 0);
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$pdf->Text($x + $i / 5, $y + $i / 5, $text);
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}
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$pdf->setAlpha(1);
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$pdf->SetTextColor(0, 0, 0);
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$pdf->Text($x, $y, $text);
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}
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}
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