slapos_subscription_request: keep subscription request causality link

master/bt5/slapos_subscription_request/SkinTemplateItem/portal_skins/slapos_subscription_request/OpenSaleOrderCell_createDiscountSalePackingList.py

@@ -35,7 +35,7 @@ sale_packing_list_edit_kw = dict(
   destination_decision_value=open_sale_order.getDestinationDecisionValue(),
   destination_project_value=open_sale_order.getDestinationProjectValue(),
   ledger_value=open_sale_order.getLedgerValue(),
-  # XXX XXX XXX XXX causality_value=subscription_request,
+  causality_value=causality_value,
   price_currency_value=open_sale_order.getPriceCurrencyValue(),
   activate_kw=activate_kw
 )

master/bt5/slapos_subscription_request/SkinTemplateItem/portal_skins/slapos_subscription_request/OpenSaleOrderCell_createDiscountSalePackingList.xml

@@ -50,7 +50,7 @@
         </item>
         <item>
             <key> <string>_params</string> </key>
-            <value> <string>current_date, title, activate_kw=None, REQUEST=None</string> </value>
+            <value> <string>current_date, title, causality_value, activate_kw=None, REQUEST=None</string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>

master/bt5/slapos_subscription_request/SkinTemplateItem/portal_skins/slapos_subscription_request/SubscriptionChangeRequest_validateIfSubmitted.py

@@ -67,7 +67,11 @@ open_sale_order.OpenSaleOrder_archiveIfUnusedItem(check_unused_item=False)
 # if we want to always activate a discount as soon as an open order is archived (outside subscription change request)
 # it is needed to call OpenSaleOrderCell_createDiscountSalePackingList is an interaction workflow
 # with more extra checks.
-open_order_movement.OpenSaleOrderCell_createDiscountSalePackingList(current_date, 'transfer discount from %s to %s' % (open_sale_order.getReference(), next_open_sale_order.getReference()))#, activate_kw=activate_kw)
+open_order_movement.OpenSaleOrderCell_createDiscountSalePackingList(
+  current_date,
+  'transfer discount from %s to %s' % (open_sale_order.getReference(), next_open_sale_order.getReference()),
+  subscription_change_request
+)#, activate_kw=activate_kw)
 
 # Change Subscripted Item user if needed
 subscribed_item = open_order_movement.getAggregateValue(portal_type=['Instance Tree', 'Compute Node', 'Project'])

master/bt5/slapos_subscription_request/SkinTemplateItem/portal_skins/slapos_subscription_request/SubscriptionRequest_createOpenSaleOrder.py

@@ -130,6 +130,11 @@ open_sale_order.validate()
 
 #######################################################
 # Discount
-open_order_cell.OpenSaleOrderCell_createDiscountSalePackingList(current_date, "first invoice discount for %s" % open_sale_order.getReference(), activate_kw=activate_kw)
+open_order_cell.OpenSaleOrderCell_createDiscountSalePackingList(
+  current_date,
+  "first invoice discount for %s" % open_sale_order.getReference(),
+  subscription_request,
+  activate_kw=activate_kw
+)
 
 return open_sale_order