Falle 4560: Eindeutige ID - UID

ext/custom-addons/dp_custom/models/res_partner.py

@@ -63,6 +63,17 @@ class Partner(models.Model):
         ('portal_id_uniq', 'unique(portal_id)', 'Die Portal-ID muss eindeutig sein')
     ]
 
+    @api.one
+    @api.constrains('is_company', 'vat')
+    def _check_unique_vat(self):
+        if not self.vat or (not self.is_company and self.parent_id):
+            return
+        partners = self.search([('is_company', '=', True),
+                                ('vat', '=', self.vat),
+                                ('id', '!=', self.id)])
+        if partners:
+            raise ValidationError(_("Es sind bereits folgende Unternehmen mit der selben USt. ID vorhanden: %s") % [p.name for p in partners])
+
     @api.model
     def portal_create_partner(self, vals):
         vals = self.with_context(sst_1=True).remove_not_specified_fields(vals)