Compute cost types for operations

locale/ca_ES.po

@@ -40,7 +40,7 @@ msgstr "Quantitat"
 
 msgctxt "field:product.cost.plan.operation_line,rec_name:"
 msgid "Name"
-msgstr "Nom del camp"
+msgstr "Nom"
 
 msgctxt "field:product.cost.plan.operation_line,route_operation:"
 msgid "Route Operation"
@@ -78,6 +78,10 @@ msgctxt "model:ir.action,name:act_product_cost_plan_operation_line"
 msgid "Product Cost Plan Operation"
 msgstr "Operació del Pla de costos del producte"
 
+msgctxt "model:product.cost.plan.cost.type,name:operations"
+msgid "Operations"
+msgstr "Operacions"
+
 msgctxt "model:product.cost.plan.operation_line,name:"
 msgid "Product Cost Plan Operation Line"
 msgstr "Operació del Pla de costos del producte"

locale/es_ES.po

@@ -40,7 +40,7 @@ msgstr "Cantidad"
 
 msgctxt "field:product.cost.plan.operation_line,rec_name:"
 msgid "Name"
-msgstr "Nom del camp"
+msgstr "Nombre"
 
 msgctxt "field:product.cost.plan.operation_line,route_operation:"
 msgid "Route Operation"
@@ -78,6 +78,10 @@ msgctxt "model:ir.action,name:act_product_cost_plan_operation_line"
 msgid "Product Cost Plan Operation"
 msgstr "Operación de Plan de coste del producto"
 
+msgctxt "model:product.cost.plan.cost.type,name:operations"
+msgid "Operations"
+msgstr "Operaciones"
+
 msgctxt "model:product.cost.plan.operation_line,name:"
 msgid "Product Cost Plan Operation Line"
 msgstr "Operación de Plan de coste del producto"

plan.py

@@ -86,7 +86,7 @@ class Plan:
             },
         depends=['state'])
     operations = fields.One2Many('product.cost.plan.operation_line', 'plan',
-        'Operation Lines')
+        'Operation Lines', on_change=['costs', 'operations'])
     operation_cost = fields.Function(fields.Numeric('Operation Cost',
             on_change_with=['operations']), 'on_change_with_operation_cost')
 
@@ -138,12 +138,33 @@ class Plan:
     def on_change_quantity(self):
         return self.update_operations()
 
-    def on_change_with_total_cost(self, name=None):
-        cost = super(Plan, self).on_change_with_total_cost(name)
-        return cost + self.operation_cost
-
     def on_change_with_operation_cost(self, name=None):
         cost = Decimal('0.0')
         for operation in self.operations:
             cost += operation.cost or Decimal('0.0')
         return cost
+
+    def on_change_operations(self):
+        pool = Pool()
+        CostType = pool.get('product.cost.plan.cost.type')
+        ModelData = pool.get('ir.model.data')
+
+        type_ = CostType(ModelData.get_id('product_cost_plan_operation',
+                'operations'))
+        self.operation_cost = sum(o.cost for o in self.operations)
+        return self.update_cost_type(type_, self.operation_cost)
+
+    @classmethod
+    def get_cost_types(cls):
+        """
+        Returns a list of values with the cost types and the field to get
+        their cost.
+        """
+        pool = Pool()
+        CostType = pool.get('product.cost.plan.cost.type')
+        ModelData = pool.get('ir.model.data')
+        ret = super(Plan, cls).get_cost_types()
+        type_ = CostType(ModelData.get_id('product_cost_plan_operation',
+            'operations'))
+        ret.append((type_, 'operation_cost'))
+        return ret

plan.xml

@@ -66,5 +66,8 @@
             <field name="perm_create" eval="True"/>
             <field name="perm_delete" eval="True"/>
         </record>
+        <record model="product.cost.plan.cost.type" id="operations">
+            <field name="name">Operations</field>
+        </record>
     </data>
 </tryton>

tests/scenario_product_cost_plan_operation.rst

@@ -225,6 +225,11 @@ Create a cost plan for product::
     u'computed'
     >>> len(plan.products) == 2
     True
+    >>> product_cost, operation_cost = plan.costs
+    >>> product_cost.cost == plan.product_cost
+    True
+    >>> operation_cost.cost == plan.operation_cost
+    True
     >>> plan.operation_cost == Decimal('175.0')
     True
     >>> plan.total_cost == plan.product_cost + plan.operation_cost