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Add error handling and debug mode for OPD PDF rendering

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Added try-catch around mPDF WriteHTML to catch rendering errors.
Changed debug_html mode to output as text/html for better preview.
Logs mPDF errors and returns user-friendly error message.

This will help diagnose blank page issues with {{Tadvise_test_list}} placeholder.
This commit is contained in:
DevSoftTech Server 2026-06-05 15:38:26 +05:30
parent a540581bf9
commit 1ca2dbce4c
1 changed files with 31 additions and 24 deletions
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55
app/Controllers/Opd.php
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@ -2174,35 +2174,42 @@ class Opd extends BaseController
if ($debugHtml) {
return $this->response
->setHeader('Content-Type', 'text/plain; charset=UTF-8')
->setHeader('Content-Type', 'text/html; charset=UTF-8')
->setBody($html);
}
$mpdf = new Mpdf([
'mode' => 'utf-8',
'format' => 'A4',
'orientation' => 'P',
'margin_left' => 5,
'margin_right' => 5,
'margin_top' => 5,
'margin_bottom' => 5,
'margin_header' => 5,
'margin_footer' => 5,
'default_font' => 'dejavusans',
'autoScriptToLang' => true,
'autoLangToFont' => true,
'tempDir' => WRITEPATH . 'cache',
]);
try {
$mpdf = new Mpdf([
'mode' => 'utf-8',
'format' => 'A4',
'orientation' => 'P',
'margin_left' => 5,
'margin_right' => 5,
'margin_top' => 5,
'margin_bottom' => 5,
'margin_header' => 5,
'margin_footer' => 5,
'default_font' => 'dejavusans',
'autoScriptToLang' => true,
'autoLangToFont' => true,
'tempDir' => WRITEPATH . 'cache',
]);
$opdCode = (string) ($data['opd_master'][0]->opd_code ?? ('OPD-' . $opdId));
$mpdf->SetTitle('OPD Prescription ' . $opdCode);
$mpdf->WriteHTML($html);
$opdCode = (string) ($data['opd_master'][0]->opd_code ?? ('OPD-' . $opdId));
$mpdf->SetTitle('OPD Prescription ' . $opdCode);
$mpdf->WriteHTML($html);
$fileName = 'OPD_Prescription_' . str_replace('/', '-', $opdCode) . '.pdf';
return $this->response
->setHeader('Content-Type', 'application/pdf')
->setHeader('Content-Disposition', 'inline; filename="' . $fileName . '"')
->setBody($mpdf->Output($fileName, 'S'));
$fileName = 'OPD_Prescription_' . str_replace('/', '-', $opdCode) . '.pdf';
return $this->response
->setHeader('Content-Type', 'application/pdf')
->setHeader('Content-Disposition', 'inline; filename="' . $fileName . '"')
->setBody($mpdf->Output($fileName, 'S'));
} catch (\Throwable $e) {
log_message('error', 'mPDF rendering failed: ' . $e->getMessage());
return $this->response
->setStatusCode(500)
->setBody('PDF generation failed: ' . htmlspecialchars($e->getMessage(), ENT_QUOTES, 'UTF-8'));
}
}
$docPrintSetting = $this->getOpdPaperPrintSetting($templateKey);