[IMP] sale: add download link on customer portal to access the order report

This commit also adds a route to have the sale order report. It supports
access token so that email links already enables the download of the
pdf.

addons/sale/controllers/portal.py

@@ -176,3 +176,19 @@ class CustomerPortal(CustomerPortal):
 
         values = self._order_get_page_view_values(order_sudo, access_token, **kw)
         return request.render("sale.portal_order_page", values)
+
+    @http.route(['/my/orders/pdf/<int:order_id>'], type='http', auth="public", website=True)
+    def portal_order_report(self, order_id, access_token=None, **kw):
+        try:
+            order_sudo = self._order_check_access(order_id, access_token)
+        except AccessError:
+            return request.redirect('/my')
+
+        # print report as sudo, since it require access to taxes, payment term, ... and portal
+        # does not have those access rights.
+        pdf = request.env.ref('sale.action_report_saleorder').sudo().render_qweb_pdf([order_sudo.id])[0]
+        pdfhttpheaders = [
+            ('Content-Type', 'application/pdf'),
+            ('Content-Length', len(pdf)),
+        ]
+        return request.make_response(pdf, headers=pdfhttpheaders)

addons/sale/views/sale_portal_templates.xml

@@ -136,17 +136,18 @@
           <div class="panel panel-default">
             <div class="panel-heading">
               <div class="row">
-                <div class="col-md-12">
-                  <h4>
-                    <t t-call='portal.record_pager'/>
-                    <t t-if="order.state == 'sent'">
-                      Quotation
-                    </t>
-                    <t t-if="order.state != 'sent'">
-                      Order
-                    </t>
-                    <span t-esc="order.name"/>
-                  </h4>
+                <div class="col-md-6">
+                    <h4>
+                        <t t-call='portal.record_pager'/>
+                        <t t-if="order.state == 'sent'">Quotation</t>
+                        <t t-if="order.state != 'sent'">Order</t>
+                        <span t-esc="order.name"/>
+                    </h4>
+                </div>
+                <div class="col-md-6 col-sm-6 col-xs-12 hidden-print" id="o_portal_order_actions">
+                    <a target="_blank" t-att-href="'/my/orders/pdf/%s?%s' % (order.id, keep_query())" class="pull-right" title="Download">
+                        <i class="fa fa-download fa-2x" aria-hidden="true"/>
+                    </a>
                 </div>
               </div>
             </div>