Django 1.7, working version.

[wolnelektury.git] / apps / catalogue / models / listeners.py

diff --git a/apps/catalogue/models/listeners.py b/apps/catalogue/models/listeners.py
index 93ad2d7..b7c5d55 100644 (file)
--- a/apps/catalogue/models/listeners.py
+++ b/apps/catalogue/models/listeners.py
@@ -3,15 +3,16 @@
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from django.conf import settings
-from django.core.cache import get_cache
+from django.core.cache import caches
 from django.db.models.signals import post_save, pre_delete, post_delete
 import django.dispatch
 from catalogue.models import Tag, BookMedia, Book, Fragment, Collection
 from catalogue import tasks
+from catalogue.utils import delete_from_cache_by_language
 from newtagging.models import tags_updated
 
 
-permanent_cache = get_cache('permanent')
+permanent_cache = caches['permanent']
 
 
 def _tags_updated_handler(sender, affected_tags, **kwargs):
@@ -40,19 +41,29 @@ def _pre_delete_handler(sender, instance, **kwargs):
 pre_delete.connect(_pre_delete_handler)
 
 
+def _post_delete_handler(sender, instance, **kwargs):
+    """ refresh Book on BookMedia delete """
+    if sender == Collection:
+        delete_from_cache_by_language(permanent_cache, 'catalogue.collection:%s/%%s' % instance.slug)
+        delete_from_cache_by_language(permanent_cache, 'catalogue.catalogue/%s')
+post_delete.connect(_post_delete_handler)
+
+
 def _post_save_handler(sender, instance, **kwargs):
     """ refresh all the short_html stuff on BookMedia update """
     if sender == BookMedia:
         instance.book.save()
-        permanent_cache.delete_many([
-            'catalogue.audiobook_list', 'catalogue.daisy_list'])
+        delete_from_cache_by_language(permanent_cache, 'catalogue.audiobook_list/%s')
+        delete_from_cache_by_language(permanent_cache, 'catalogue.daisy_list/%s')
     elif sender == Collection:
-        permanent_cache.delete('catalogue.collection:%s' % instance.slug)
+        delete_from_cache_by_language(permanent_cache, 'catalogue.collection:%s/%%s' % instance.slug)
+        delete_from_cache_by_language(permanent_cache, 'catalogue.catalogue/%s')
 post_save.connect(_post_save_handler)
 
 
 def post_publish(sender, **kwargs):
-    permanent_cache.delete('catalogue.book_list')
+    delete_from_cache_by_language(permanent_cache, 'catalogue.book_list/%s')
+    delete_from_cache_by_language(permanent_cache, 'catalogue.catalogue/%s')
 Book.published.connect(post_publish)
 
 
@@ -60,12 +71,7 @@ if not settings.NO_SEARCH_INDEX:
     @django.dispatch.receiver(post_delete, sender=Book)
     def _remove_book_from_index_handler(sender, instance, **kwargs):
         """ remove the book from search index, when it is deleted."""
-        import search
-        search.JVM.attachCurrentThread()
-        idx = search.Index()
-        idx.open(timeout=10000)  # 10 seconds timeout.
-        try:
-            idx.remove_book(instance)
-            idx.index_tags()
-        finally:
-            idx.close()
+        from search.index import Index
+        idx = Index()
+        idx.remove_book(instance)
+        idx.index_tags()