From c72fce0cc558a6fbe545bf9c4a162a1f98281bdd Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Mon, 20 Apr 2020 01:14:19 +1000
Subject: [PATCH] Add "tracking items" back in

---
 InvenTree/stock/serializers.py | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/InvenTree/stock/serializers.py b/InvenTree/stock/serializers.py
index 2953809cab..84ee616024 100644
--- a/InvenTree/stock/serializers.py
+++ b/InvenTree/stock/serializers.py
@@ -67,14 +67,27 @@ class StockItemSerializer(InvenTreeModelSerializer):
             'supplier_part__supplier',
             'supplier_part__manufacturer',
             'location',
-            'part'
+            'part',
+            'tracking_info',
         )
 
+    @staticmethod
+    def annotate_queryset(queryset):
+        """
+        Add some extra annotations to the queryset,
+        performing database queries as efficiently as possible.
+        """
+
+        # TODO
+        pass
+
     status_text = serializers.CharField(source='get_status_display', read_only=True)
     
     part_detail = PartBriefSerializer(source='part', many=False, read_only=True)
     location_detail = LocationBriefSerializer(source='location', many=False, read_only=True)
 
+    tracking_items = serializers.IntegerField(source='tracking_info_count', read_only=True)
+
     def __init__(self, *args, **kwargs):
 
         part_detail = kwargs.pop('part_detail', False)
@@ -105,6 +118,7 @@ class StockItemSerializer(InvenTreeModelSerializer):
             'supplier_part',
             'status',
             'status_text',
+            'tracking_items',
             'uid',
         ]