Show cost_price and unit_price fields in views.

view/expense_form.xml

@@ -8,6 +8,10 @@
     <field name="uom"/>
     <label name="quantity"/>
     <field name="quantity"/>
+    <label name="cost_price"/>
+    <field name="cost_price"/>
+    <label name="unit_price"/>
+    <field name="unit_price"/>
     <label name="description"/>
     <field name="description"/>
     <label name="invoiceable"/>

view/expense_tree.xml

@@ -3,6 +3,8 @@
     <field name="product"/>
     <field name="quantity"/>
     <field name="uom"/>
+    <field name="cost_price"/>
+    <field name="unit_price"/>
     <field name="invoiceable"/>
     <field name="description"/>
     <field name="origin"/>

work.py

@@ -44,6 +44,8 @@ class Expense(ModelSQL, ModelView):
 
     del _states
 
+    # TODO: Add expense cost to the task/project
+
     @classmethod
     def _get_origin(cls):
         'Return list of Model names for origin Reference'