slapos_subscription_request:

* constraint: no Organisation as source_section
* constraint: fixup empty price check
* constraint: destination_section is not required

for accounting less subscription

master/bt5/slapos_subscription_request/PropertySheetTemplateItem/portal_property_sheets/SlapOSSubscriptionRequestConstraint/destination_section_constraint.xml

@@ -46,7 +46,7 @@
         </item>
         <item>
             <key> <string>min_arity</string> </key>
-            <value> <int>1</int> </value>
+            <value> <int>0</int> </value>
         </item>
         <item>
             <key> <string>portal_type</string> </key>

master/bt5/slapos_subscription_request/PropertySheetTemplateItem/portal_property_sheets/SlapOSSubscriptionRequestConstraint/empty_price_constraint.xml

@@ -24,7 +24,7 @@
         </item>
         <item>
             <key> <string>expression</string> </key>
-            <value> <string>python: not ((not context.getPrice()) and (context.getSourceSection(\'\') != context.getDestinationSection(\'\')))</string> </value>
+            <value> <string>python: context.getPrice() or (context.getDestinationSection(\'\') in (context.getSourceSection(\'\'), \'\'))</string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>

master/bt5/slapos_subscription_request/PropertySheetTemplateItem/portal_property_sheets/SlapOSSubscriptionRequestConstraint/source_section_constraint.xml

@@ -28,7 +28,7 @@
         </item>
         <item>
             <key> <string>constraint_portal_type</string> </key>
-            <value> <string>python: (\'Organisation\', \'Person\')</string> </value>
+            <value> <string>python: (\'Person\',)</string> </value>
         </item>
         <item>
             <key> <string>description</string> </key>