Challenge

The  PrestaShop Order detail page has a button to download Invoice Pdf.

But the customer wanted to add a button that downloads Delivery/ Printable Voucher PDF.

Solution

The solutions was to create a new controller called “PdfDeliveryController” and render the PDF in Order Detail page.

Check the code of  the new  “PdfDeliveryController:

“PdfDeliveryController” code:

class PdfDeliveryControllerCore extends FrontController
{
    public $php_self = 'pdf-delivery';
    protected $display_header = false;
    protected $display_footer = false;
    public $content_only = true;
    protected $template;
    public $filename;

    public function postProcess()
    {
        if (!$this->context->customer->isLogged() && !Tools::getValue('secure_key')) {
            Tools::redirect('index.php?controller=authentication&back=pdf-delivery');
        }

        $id_order = (int) Tools::getValue('id_order');
        if (Validate::isUnsignedId($id_order)) {
            $order = new Order((int) $id_order);
        }
        $this->order = $order;
    }

    public function display()
    {
        $order_delivery_list = $this->order->getDeliverySlipsCollection();
        $pdf = new PDF($order_delivery_list, PDF::TEMPLATE_DELIVERY_SLIP, $this->context->smarty);
        $pdf->render();
    }
}

Printable Voucher Download displayed in Order Details page