SlugTreeMixin: Check `parent` and `has_url` fields, too.

CHANGES

@@ -1,6 +1,7 @@
 0.2.13 2018-10-13
 - Improved USE_TRANSLATABLE_FIELDS
-- Option to allow empty runtimes (without even a start date).
+- Option to allow empty runtimes (without even a start date)
+- SlugTreeMixin: Check `has_url` and `parent` fields, too
 
 0.2.12 2018-09-28
 - Additional text template tags.

shared/utils/models/slugs.py

@@ -132,7 +132,7 @@ class SlugTreeMixin(DirtyFieldsMixin, models.Model):
     # TODO Make slug_path manually overridable (see feincms3 -> use_static_path)
     has_url = models.BooleanField(_("has webaddress"), default=True)
 
-    FIELDS_TO_CHECK = ['slug']
+    FIELDS_TO_CHECK = ['slug', 'parent', 'has_url']
 
     class Meta:
         abstract = True