Include "superdepartment_number" in Excel products download

tailbone_corepos/views/corepos/products.py

@@ -141,6 +141,21 @@ class ProductView(CoreOfficeMasterView):
         return '{}/item/ItemEditorPage.php?searchupc={}'.format(
             office_url, product.upc)
 
+    def get_xlsx_fields(self):
+        fields = super(ProductView, self).get_xlsx_fields()
+        fields.append('superdepartment_number')
+        return fields
+
+    def get_xlsx_row(self, product, fields):
+        row = super(ProductView, self).get_xlsx_row(product, fields)
+
+        row['superdepartment_number'] = None
+        dept = product.department
+        if dept and dept._super_parents:
+            row['superdepartment_number'] = dept._super_parents[0].parent_id
+
+        return row
+
 
 class ProductFlagView(CoreOfficeMasterView):
     """