Using cache middleware instead of various caching micro-strategies,

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

diff --git a/apps/catalogue/models/listeners.py b/apps/catalogue/models/listeners.py
deleted file mode 100644 (file)
index d414eb2..0000000
--- a/apps/catalogue/models/listeners.py
+++ /dev/null
@@ -1,56 +0,0 @@
-# -*- coding: utf-8 -*-
-# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
-# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
-#
-from django.conf import settings
-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 BookMedia, Book, Collection
-from catalogue.utils import delete_from_cache_by_language
-
-
-permanent_cache = caches['permanent']
-
-
-def _pre_delete_handler(sender, instance, **kwargs):
-    """ refresh Book on BookMedia delete """
-    if sender == BookMedia:
-        instance.book.save()
-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()
-        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:
-        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):
-    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)
-
-
-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."""
-        from search.index import Index
-        idx = Index()
-        idx.remove_book(instance)
-        idx.index_tags()