implement pdf invoice generation workflow

core/lib/Thelia/Action/Pdf.php

@@ -41,6 +41,7 @@ class Pdf extends BaseAction implements EventSubscriberInterface
 
         $domPdf = new \DOMPDF();
         $domPdf->load_html($event->getContent());
+        $domPdf->render();
 
         $event->setPdf($domPdf->output());
     }
@@ -67,7 +68,7 @@ class Pdf extends BaseAction implements EventSubscriberInterface
      */
     public static function getSubscribedEvents()
     {
-        array(
+        return array(
             TheliaEvents::GENERATE_PDF => array("generatePdf", 128)
         );
     }

core/lib/Thelia/Config/Resources/action.xml

@@ -111,6 +111,11 @@
             <tag name="kernel.event_subscriber"/>
         </service>
 
+        <service id="thelia.action.pdf" class="Thelia\Action\Pdf">
+            <argument type="service" id="service_container"/>
+            <tag name="kernel.event_subscriber"/>
+        </service>
+
     </services>
 
 </config>

core/lib/Thelia/Config/Resources/routing/admin.xml

@@ -150,6 +150,11 @@
         <default key="_controller">Thelia\Controller\Admin\OrderController::updateAddress</default>
     </route>
 
+    <route id="admin.order.pdf.invoice" path="/admin/order/pdf/invoice/{order_id}">
+        <default key="_controller">Thelia\Controller\Admin\OrderController::generateInvoicePdf</default>
+        <requirement key="order_id">\d+</requirement>
+    </route>
+
     <!-- end order management -->
 
     <!-- Categories management -->

core/lib/Thelia/Controller/Admin/BaseAdminController.php

@@ -187,12 +187,12 @@ class BaseAdminController extends BaseController
     /**
      * @return a ParserInterface instance parser
      */
-    protected function getParser()
+    protected function getParser($template = null)
     {
         $parser = $this->container->get("thelia.parser");
 
         // Define the template thant shoud be used
-        $parser->setTemplate(ConfigQuery::read('base_admin_template', 'admin/default'));
+        $parser->setTemplate($template ?: ConfigQuery::read('base_admin_template', 'admin/default'));
 
         return $parser;
     }
@@ -378,10 +378,12 @@ class BaseAdminController extends BaseController
      * Render the given template, and returns the result as a string.
      *
      * @param $templateName the complete template name, with extension
-     * @param  array                                      $args the template arguments
+     * @param  array $args the template arguments
+     * @param null $templateDir
+     *
      * @return \Symfony\Component\HttpFoundation\Response
      */
-    protected function renderRaw($templateName, $args = array())
+    protected function renderRaw($templateName, $args = array(), $templateDir = null)
     {
 
         // Add the template standard extension
@@ -417,7 +419,7 @@ class BaseAdminController extends BaseController
 
         // Render the template.
         try {
-            $data = $this->getParser()->render($templateName, $args);
+            $data = $this->getParser($templateDir)->render($templateName, $args);
 
             return $data;
         } catch (AuthenticationException $ex) {

core/lib/Thelia/Controller/Admin/OrderController.php

@@ -23,10 +23,13 @@
 
 namespace Thelia\Controller\Admin;
 
+use Symfony\Component\HttpFoundation\Response;
 use Thelia\Core\Event\Order\OrderAddressEvent;
 use Thelia\Core\Event\Order\OrderEvent;
+use Thelia\Core\Event\PdfEvent;
 use Thelia\Core\Event\TheliaEvents;
 use Thelia\Form\OrderUpdateAddress;
+use Thelia\Model\ConfigQuery;
 use Thelia\Model\Base\OrderAddressQuery;
 use Thelia\Model\OrderQuery;
 use Thelia\Model\OrderStatusQuery;
@@ -193,4 +196,42 @@ class OrderController extends BaseAdminController
 
         $this->redirect(URL::getInstance()->absoluteUrl($this->getRoute("admin.order.update.view", $params)));
     }
+
+    public function generateInvoicePdf($order_id)
+    {
+        if (null !== $response = $this->checkAuth("admin.order.update")) return $response;
+
+
+        $html = $this->renderRaw(
+            ConfigQuery::read('pdf_invoice_file', 'invoice'),
+            array(
+                'order_id' => $order_id
+            ),
+            ConfigQuery::read('pdf_template', 'pdf')
+        );
+
+        $order = OrderQuery::create()->findPk($order_id);
+
+        try {
+            $pdfEvent = new PdfEvent($html);
+
+            $this->dispatch(TheliaEvents::GENERATE_PDF, $pdfEvent);
+
+            if($pdfEvent->hasPdf()) {
+                return Response::create($pdfEvent->getPdf(), 200,
+                    array(
+                        'Content-type' => "application/pdf",
+                        'Content-Disposition' => sprintf('Attachment;filename=%s.pdf', $order->getRef()),
+                    ));
+            }
+
+        } catch (\Exception $e) {
+            \Thelia\Log\Tlog::getInstance()->error(sprintf('error during generating invoice pdf for order id : %d', $order_id));
+
+        }
+
+        $this->redirect(URL::getInstance()->absoluteUrl($this->getRoute("admin.order.update.view", array(
+            'order_id' => $order_id
+        ))));
+    }
 }

core/lib/Thelia/Core/Event/PdfEvent.php

@@ -65,4 +65,9 @@ class PdfEvent extends ActionEvent
     {
         return $this->pdf;
     }
+
+    public function hasPdf()
+    {
+        return null !== $this->pdf;
+    }
 }

templates/admin/default/order-edit.html

@@ -193,7 +193,7 @@
                                                     <caption class="clearfix">
                                                         {intl l='Invoice informations'}
                                                         <div class="pull-right">
-                                                            <a class="btn btn-default btn-primary" title="{intl l='Download invoice as PDF'}" href="#">
+                                                            <a class="btn btn-default btn-primary" title="{intl l='Download invoice as PDF'}" href="{url path="/admin/order/pdf/invoice/$ID"}">
                                                                 <span class="glyphicon glyphicon-cloud-download"></span> {intl l='PDF | Invoice'}
                                                             </a>
                                                             <a class="btn btn-default btn-primary js-update-order-address" data-address-id="{$INVOICE_ADDRESS}" title="{intl l='Edit invoice address'}" href="#edit_order_address_dialog" data-toggle="modal">

templates/pdf/invoice.html

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>REF</title>
+</head>
+<body>
+    generate invoice
+</body>
+</html>