fixup! [IMP] base_tier_validation: Add a chatter message if the model has it

base_tier_validation/models/tier_validation.py

@@ -156,13 +156,19 @@ class TierValidation(models.AbstractModel):
         })
         for review in user_reviews:
             rec = self.env[review.model].browse(review.res_id)
-            if hasattr(rec, 'message_post'):
+            rec._notify_accepted_reviews()
+
+    def _notify_accepted_reviews(self):
+        if hasattr(self, 'message_post'):
             # Notify state change
-                getattr(rec, 'message_post')(
+            getattr(self, 'message_post')(
                 subtype='mt_comment',
-                    body=_('A review was accepted')
+                body=self._notify_accepted_reviews_body()
             )
 
+    def _notify_accepted_reviews_body(self):
+        return _('A review was accepted')
+
     @api.multi
     def validate_tier(self):
         for rec in self:
@@ -180,13 +186,17 @@ class TierValidation(models.AbstractModel):
                 'done_by': self.env.user.id,
                 'reviewed_date': fields.Datetime.now(),
             })
-            if hasattr(rec, 'message_post'):
+            rec._notify_rejected_review()
+
+    def _notify_rejected_review_body(self):
+        return _('A review was rejected by %s.') % (self.env.user.name)
+
+    def _notify_rejected_review(self):
+        if hasattr(self, 'message_post'):
             # Notify state change
-                getattr(rec, 'message_post')(
+            getattr(self, 'message_post')(
                 subtype='mt_comment',
-                    body=_(
-                        'A review was rejected by %s.'
-                    ) % (self.env.user.name)
+                body=self._notify_rejected_review_body()
             )
 
     @api.multi