erp5_open_trade: support case where stop_date is defined

bt5/erp5_open_trade/SkinTemplateItem/portal_skins/erp5_open_trade/OpenOrder_updateSimulation.py

@@ -12,8 +12,19 @@ for open_order_line in context.objectValues():
       if getattr(item.aq_explicit, 'updateSimulation', None) is not None and \
           item not in subscription_item_set:
         subscription_item_set.add(item)
-        # If start_date is in futur, do not look for unreachable period
-        stop_date = item.getNextPeriodicalDate(max(now, ob.getStartDate()))
+
+        # Logic duplicated from SubscriptionItem.py
+        start_date = ob.getStartDate()
+        # if there is no stop_date, block the generation
+        # to today
+        stop_date = ob.getStopDate()
+        current_date = start_date
+        if (start_date == stop_date) or (stop_date is None):
+          # stop_date seems acquired from start_date
+          stop_date = now
+        while current_date < stop_date:
+          current_date = item.getNextPeriodicalDate(current_date)
+
         # Do not expand subscription item if there is
         # no new simulation movement to create
         # (expand always reindex the full simulation tree,
@@ -21,8 +32,8 @@ for open_order_line in context.objectValues():
         simulation_movement_list = portal.portal_simulation.getMovementHistoryList(
           portal_type='Simulation Movement',
           aggregate__uid=item.getUid(),
-          from_date=stop_date,
-          at_date=stop_date,
+          from_date=current_date,
+          at_date=current_date,
           only_accountable=False,
         )
         if len(simulation_movement_list) == 0: