From dae45875fbd1352b50c6d78cde313196ea6a4493 Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Thu, 26 Mar 2020 14:46:23 +1100
Subject: [PATCH 1/2] Add 'on_order' quantity to the part list API

---
 InvenTree/part/api.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/InvenTree/part/api.py b/InvenTree/part/api.py
index a121553409..d24f0dc6ee 100644
--- a/InvenTree/part/api.py
+++ b/InvenTree/part/api.py
@@ -172,6 +172,7 @@ class PartList(generics.ListCreateAPIView):
             'active',
         ).annotate(
             in_stock=Sum('stock_items__quantity'),
+            on_order=Sum('supplier_parts__purchase_order_line_items__quantity'),
         )
 
         # TODO - Annotate total being built

From 99efbd4c40fb59432118bbb732d287b56814809d Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Thu, 26 Mar 2020 14:46:40 +1100
Subject: [PATCH 2/2] If a part has no stock but is on order, display an
 "on-order" badge

---
 .../InvenTree/static/script/inventree/part.js  | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/InvenTree/InvenTree/static/script/inventree/part.js b/InvenTree/InvenTree/static/script/inventree/part.js
index 8ad934760b..c94c512d6f 100644
--- a/InvenTree/InvenTree/static/script/inventree/part.js
+++ b/InvenTree/InvenTree/static/script/inventree/part.js
@@ -182,17 +182,27 @@ function loadPartTable(table, url, options={}) {
         searchable: false,
         sortable: true,
         formatter: function(value, row, index, field) {
+            console.log("On order:", row.on_order);
+            
+            var html = "";
+            var link = "stock";
+
             if (value) {
 
                 if (row.units) {
                     value += ' <i><small>' + row.units + '</small></i>';
                 }
 
-                return renderLink(value, '/part/' + row.pk + '/stock/');
-            }
-            else {
-                return "<span class='label label-warning'>No Stock</span>";
+                html = value;
+
+            } else if (row.on_order) {
+                value = "<span class='label label-primary'>On Order : " + row.on_order + "</span>";
+                link = "orders";
+            } else {
+                value ="<span class='label label-warning'>No Stock</span>";
             }
+            
+            return renderLink(value, '/part/' + row.pk + "/" + link + "/");
         }
     });