fix certificate qr
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@@ -77,6 +77,17 @@ class CertificateController extends BaseController
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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 $certNumber)
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@@ -101,6 +112,16 @@ class CertificateController extends BaseController
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$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 $this->response
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->setStatusCode(422)
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->setJSON([
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'ok' => false,
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'error' => 'Please select at least one student.',
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'csrf_token' => csrf_token(),
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'csrf_hash' => csrf_hash(),
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]);
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}
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return redirect()->to('administrator/certificates')->with('error', 'Please select at least one student.');
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}
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@@ -108,6 +129,16 @@ class CertificateController extends BaseController
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$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 $this->response
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->setStatusCode(422)
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->setJSON([
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'ok' => false,
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'error' => 'Invalid student selection.',
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'csrf_token' => csrf_token(),
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'csrf_hash' => csrf_hash(),
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]);
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}
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return redirect()->to('administrator/certificates')->with('error', 'Invalid student selection.');
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}
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@@ -140,6 +171,16 @@ class CertificateController extends BaseController
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}
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if (empty($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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@@ -170,6 +211,8 @@ class CertificateController extends BaseController
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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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@@ -204,30 +247,6 @@ class CertificateController extends BaseController
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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 $certDate): string
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@@ -252,8 +271,6 @@ class CertificateController extends BaseController
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$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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@@ -261,28 +278,18 @@ class CertificateController extends BaseController
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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[] = $qrFile;
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}
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// Build verification URL for an inline TCPDF QR code.
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$verifyUrl = site_url('verify/' . rawurlencode($certNumber));
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$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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$verifyUrl,
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$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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return $pdf->Output('', 'S');
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}
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/**
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@@ -297,7 +304,7 @@ class CertificateController extends BaseController
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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 $verifyUrl,
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string $imgDir,
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string $edwardianFont,
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string $garamondBold,
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@@ -310,10 +317,16 @@ class CertificateController extends BaseController
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// ── QR code — bottom-right corner: 1.5 cm from bottom, 2.5 cm from right
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$qrSize = 42; // pt
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if ($qrFile !== null && file_exists($qrFile)) {
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if (!empty($verifyUrl)) {
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$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, $qrSize);
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$style = [
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'border' => false,
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'padding' => 0,
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'fgcolor' => [0, 0, 0],
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'bgcolor' => false,
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];
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$pdf->write2DBarcode($verifyUrl, 'QRCODE,L', $qrX, $qrY, $qrSize, $qrSize, $style, 'N');
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}
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// ── "Presented to:"
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