return a dict containing two lists :

- 'movement_to_delete_list' : the movement that should be deleted
- 'movement_to_add_list' : the movement that should be added.



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27027 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/TradeCondition.py

@@ -70,23 +70,47 @@ class TradeCondition(Path, Transformation):
     def updateAggregatedAmountList(self, context, **kw):
       '''
         updates exisiting movement and returns new if any
+        return a dict of list of movement 'movement_to_add_list' and
+        'movement_to_delete_list'
       '''
       existing_movement_list = context.getMovementList()
       aggregated_amount_list = self.getAggregatedAmountList(context = context,
           **kw)
       modified_resource_list = []
+      normal_use_list = self.getPortalObject().portal_preferences\
+              .getPreferredNormalResourceUseCategoryList()
+      # check if the existing movements are in aggregated movments
+      movement_to_delete_list = []
+      if len(aggregated_amount_list):
+        for movement in existing_movement_list:
+          keep_movement = False
           for amount in aggregated_amount_list:
+            # here we have to check if the movement is a generated one or
+            # entered by the user. If it has been entered by user, we have to
+            # keep it.
+            # if movement is generated and if not exist, append to delete list
+            # else, break
+            resource = movement.getResourceValue()
+            if resource is not None and \
+                len(set(normal_use_list).intersection(set(resource\
+                .getUseList()))):
+              keep_movement = True
+              break
             update_kw = {}
             for p in self.edited_property_list:
               update_kw[p] = amount.getProperty(p)
-        for movement in existing_movement_list:
             if movement.getProperty('resource') == update_kw['resource'] and\
                 movement.getVariationCategoryList() == \
                 amount.getVariationCategoryList():
               movement.edit(**update_kw)
               modified_resource_list.append(update_kw['resource'])
-      return [amount for amount in aggregated_amount_list if
+              keep_movement = True
+          if not keep_movement:
+            movement_to_delete_list.append(movement)
+        movement_to_add_list = [amount for amount in aggregated_amount_list if
             amount.getResource() not in modified_resource_list]
+      return {'movement_to_delete_list' : movement_to_delete_list,
+              'movement_to_add_list': movement_to_add_list}
 
     def getTradeModelLineComposedList(self, context=None):
       """Returns list of Trade Model Lines using composition

product/ERP5/Interface/ITransformation.py

@@ -62,7 +62,8 @@ class ITransformation(Interface):
 
     **kw - contains implementations specific parameters
 
-    The method returns movements, which shall be added.
+    The method return a dict of list of movements : 'movement_to_add_list' and
+    'movement_to_delete_list'.
     """
     pass