erp5_invoicing: fix asset price value on movement

bt5/erp5_invoicing/DocumentTemplateItem/portal_components/document.erp5.InvoiceTransactionSimulationRule.py

@@ -124,12 +124,16 @@ class InvoiceTransactionRuleMovementGenerator(MovementGeneratorMixin):
                                       .getParentValue().getParentValue()
 
     kw = {'delivery': None, 'resource': resource, 'price': 1}
+    return kw
 
-    if resource is not None:
-      #set asset_price on movement when resource is different from price
-      #currency of the source/destination section
+  def getGeneratedMovementList(self, movement_list=None, rounding=False):
+    movement_list = super(InvoiceTransactionRuleMovementGenerator, self).getGeneratedMovementList(movement_list=movement_list, rounding=rounding)
+    portal = self._applied_rule.getPortalObject()
     for arrow in 'destination', 'source':
-        section = input_movement.getDefaultAcquiredValue(arrow + '_section')
+      for movement in movement_list:
+        resource = movement.getResource()
+        if resource is not None:
+          section = movement.getDefaultAcquiredValue(arrow + '_section')
           if section is not None:
             try:
               currency_url = section.getPriceCurrency()
@@ -138,15 +142,17 @@ class InvoiceTransactionRuleMovementGenerator(MovementGeneratorMixin):
             if currency_url not in (None, resource):
               currency = portal.unrestrictedTraverse(currency_url)
               exchange_ratio = currency.getPrice(
-              context=input_movement.asContext(
+                context=movement.asContext(
                   categories=('price_currency/' + currency_url,
                               'resource/' + resource)))
               if exchange_ratio is not None:
-              kw[arrow + '_total_asset_price'] = round(
-                exchange_ratio * input_movement.getQuantity(),
-                currency.getQuantityPrecision())
+                if arrow == 'destination':
+                  sign = 1
+                else:
+                  sign = -1
+                movement.setProperty(arrow + '_total_asset_price', movement.getQuantity() * exchange_ratio * sign)
 
-    return kw
+    return movement_list
 
   def _getInputMovementList(self, movement_list=None, rounding=False):
     simulation_movement = self._applied_rule.getParentValue()