models: factorize validation request acceptation (#30105)

src/authentic2_cut/models.py

@@ -176,6 +176,12 @@ class ValidationRequest(models.Model):
             if self.is_taken:
                 return self.taken_by
 
+    def accept(self, user):
+        self.status = self.STATUS_ACCEPTED
+        self.validated = now()
+        self.validated_by = user
+        self.save()
+
     class Meta:
         verbose_name = u'Requête de validation'
         verbose_name_plural = u'Requêtes de validation'

src/authentic2_cut/views.py

@@ -260,10 +260,7 @@ class Validation(UserEditCoreView):
         form.instance.attributes.validation_partner = partner
         hooks.call_hooks('event', user=self.request.user, name='manager-cut-validate',
                          instance=form.instance, form=form, context='office', partner=partner)
-        self.validation_request.status = models.ValidationRequest.STATUS_ACCEPTED
-        self.validation_request.validated = now()
-        self.validation_request.validated_by = self.request.user
-        self.validation_request.save()
+        self.validation_request.accept(self.request.user)
         messages.info(self.request, u'Demande traitée.')
         return self.next_request(self.request)