slapos_accounting: do not explode the workflow history with the same comment

master/bt5/slapos_accounting/SkinTemplateItem/portal_skins/slapos_accounting/InstanceTree_requestUpdateOpenSaleOrder.py

@@ -13,9 +13,12 @@ if portal.portal_activities.countMessageWithTag(tag) > 0:
   # nothing to do
   return
 
-
 def storeWorkflowComment(document, comment):
-  portal.portal_workflow.doActionFor(document, 'edit_action', comment=comment)
+  portal_workflow = document.portal_workflow
+  last_workflow_item = portal_workflow.getInfoFor(ob=document,
+                                          name='comment', wf_id='edit_workflow')
+  if last_workflow_item != comment:
+    portal_workflow.doActionFor(document, action='edit_action', comment=comment)
 
 
 def newOpenOrder(start_date, service,

master/bt5/slapos_accounting/SkinTemplateItem/portal_skins/slapos_accounting/OpenSaleOrder_updatePeriod.py

@@ -17,7 +17,11 @@ if portal.portal_activities.countMessageWithTag(tag) > 0:
 
 
 def storeWorkflowComment(document, comment):
-  portal.portal_workflow.doActionFor(document, 'edit_action', comment=comment)
+  portal_workflow = document.portal_workflow
+  last_workflow_item = portal_workflow.getInfoFor(ob=document,
+                                          name='comment', wf_id='edit_workflow')
+  if last_workflow_item != comment:
+    portal_workflow.doActionFor(document, action='edit_action', comment=comment)
 
 
 def calculateOpenOrderLineStopDate(open_order_line, hosting_subscription, instance_tree, start_date_delta, next_stop_date_delta=0):