Fix union between recordset and parent recordset in base_exception

base_exception/__manifest__.py

@@ -3,7 +3,7 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 {'name': 'Exception Rule',
- 'version': '10.0.3.0.1',
+ 'version': '10.0.3.0.2',
  'category': 'Generic Modules',
  'summary': """This module provide an abstract model to manage customizable
   exceptions to be applied on different models (sale order, invoice, ...)""",

base_exception/models/base_exception.py

@@ -73,6 +73,16 @@ class ExceptionRule(models.Model):
 class BaseExceptionMethod(models.AbstractModel):
     _name = 'base.exception.method'
 
+    @api.multi
+    def _get_main_records(self):
+        """
+            Used in case we check exception on a record but write these
+            exceptions on a parent record. Typical example is with
+            sale.order.line. We check exceptions on some sale order lines but
+            write these exceptions on the sale order, so they are visible.
+        """
+        return self
+
     @api.multi
     def _reverse_field(self):
         raise NotImplementedError()
@@ -98,7 +108,8 @@ class BaseExceptionMethod(models.AbstractModel):
             records_with_exception = self._detect_exceptions(rule)
             reverse_field = self._reverse_field()
             if self:
-                commons = self & rule[reverse_field]
+                main_records = self._get_main_records()
+                commons = main_records & rule[reverse_field]
                 to_remove = commons - records_with_exception
                 to_add = records_with_exception - commons
                 to_remove_list = [(3, x.id, _) for x in to_remove]