X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/ce8d791a5298e0cb2569034aec4c8b57afac97b2..6d938c38424fc8aae324f3fcf800de5d615a84fc:/apps/catalogue/tasks.py

diff --git a/apps/catalogue/tasks.py b/apps/catalogue/tasks.py
index e9b8cf9b..3e230379 100644
--- a/apps/catalogue/tasks.py
+++ b/apps/catalogue/tasks.py
@@ -9,3 +9,12 @@ def refresh_by_pk(cls, pk):
 def refresh_instance(instance):
     refresh_by_pk.delay(type(instance), instance.pk)
 
+
+@task
+def publishable_error(book):
+    try:
+        book.assert_publishable()
+    except AssertionError, e:
+        return e
+    else:
+       return None