add constraints on TradeModelLine :

  - trade_phase is mandatory
  - if category are defined on line, this line should contain cells


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27998 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/PropertySheet/TradeModelLineConstraint.py

@@ -47,4 +47,19 @@ class TradeModelLineConstraint:
       'base_category' : ('resource',),
       'message_arity_not_in_range' : 'Service must be defined in lines',
     },
+    { 'id'            : 'trade_phase',
+      'description'   : 'Trade Phase must be defined',
+      'type'          : 'CategoryMembershipArity',
+      'min_arity'     : '1',
+      'max_arity'     : '1',
+      'portal_type'   : ( ),
+      'base_category' : ('trade_phase',),
+      'message_arity_not_in_range' : 'Trade Phase must be defined in lines',
+    },
+    { 'id': 'cell_existence',
+      'description': 'If variation categories are define on Trade Model Line \
+                      cell corresponding to this categories should exist too',
+      'base_id': 'movement',
+      'type': 'TradeModelLineCellConsistency',
+    },
   )