Trade Finance - Adjustment on sub-limit

modules/trade_finance/facility.py

@@ -194,7 +194,9 @@ class FacilityLimit(ModelSQL, ModelView):
     _rec_name = 'name'
 
     facility = fields.Many2One('trade_finance.facility', 'Facility',
-        required=True, ondelete='CASCADE')
+        required=True, ondelete='CASCADE',
+        states={'readonly': Bool(Eval('parent'))},
+        depends=['parent'])
     parent = fields.Many2One('trade_finance.facility_limit', 'Parent Limit',
         ondelete='RESTRICT',
         domain=[('facility', '=', Eval('facility'))],
@@ -212,7 +214,9 @@ class FacilityLimit(ModelSQL, ModelView):
     sequence = fields.Integer('Sequence')
 
     is_global = fields.Function(fields.Boolean('Global Limit'),
-        'get_is_global')
+        'get_is_global',
+        states={'invisible': Bool(Eval('parent'))},
+        depends=['parent'])
 
     haircuts = fields.One2Many('trade_finance.facility_limit_haircut', 'limit',
         'Haircuts')
@@ -232,6 +236,15 @@ class FacilityLimit(ModelSQL, ModelView):
     def default_sequence():
         return 10
 
+    @classmethod
+    def create(cls, vlist):
+        vlist = [v.copy() for v in vlist]
+        for values in vlist:
+            if values.get('parent') and not values.get('facility'):
+                parent = cls(values['parent'])
+                values['facility'] = parent.facility.id
+        return super().create(vlist)
+
     def get_is_global(self, name):
         return self.parent is None