Librarian in regular requirements.

[redakcja.git] / apps / catalogue / tasks.py

diff --git a/apps/catalogue/tasks.py b/apps/catalogue/tasks.py
index e9b8cf9..9507c41 100644 (file)
--- a/apps/catalogue/tasks.py
+++ b/apps/catalogue/tasks.py
@@ -1,11 +1,25 @@
+# -*- coding: utf-8 -*-
 from celery.task import task
+from django.utils import translation
 
 
-@task
-def refresh_by_pk(cls, pk):
-    cls._default_manager.get(pk=pk).refresh()
+@task(ignore_result=True)
+def _refresh_by_pk(cls, pk, language=None):
+    prev_language = translation.get_language()
+    if language:
+        translation.activate(language)
+    try:
+        cls._default_manager.get(pk=pk).refresh()
+    except cls.DoesNotExist:
+        pass
+    finally:
+        translation.activate(prev_language)
 
 
 def refresh_instance(instance):
-    refresh_by_pk.delay(type(instance), instance.pk)
+    _refresh_by_pk.delay(type(instance), instance.pk, translation.get_language())
 
+
+@task(ignore_result=True)
+def book_content_updated(book):
+    book.refresh_dc_cache()