class PdfController extends Controller
{
    public function show()
    {
        $path = storage_path('app/pdfs/sample.pdf');

        if (!file_exists($path)) {
            abort(404);
        }

        return response()->file($path, [
            'Content-Type' => 'application/pdf',
            'Content-Disposition' => 'inline; filename="sample.pdf"',
        ]);
    }
}