Better strategy to updates sites m2m

nephila · Jun 2, 2016 · ea66bd3 · ea66bd3
1 parent c5668bf
commit ea66bd3
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/djangocms_blog/admin.py b/djangocms_blog/admin.py
@@ -219,7 +219,9 @@ def save_related(self, request, form, formsets, change):
                 ).difference(removed).union(form_sites)
                 form.cleaned_data['sites'] = diff_original
             else:
-                form.cleaned_data['sites'] = self.get_restricted_sites(request).all()
+                form.instance.sites.add(
+                    *self.get_restricted_sites(request).all().values_list('pk', flat=True)
+                )
         super(PostAdmin, self).save_related(request, form, formsets, change)
 
     class Media: