Rename catalogue to documents.

[redakcja.git] / src / documents / models / listeners.py

diff --git a/src/documents/models/listeners.py b/src/documents/models/listeners.py
new file mode 100644 (file)
index 0000000..d306e4e
--- /dev/null
+++ b/src/documents/models/listeners.py
@@ -0,0 +1,55 @@
+# This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+from django.contrib.auth.models import User
+from django.db import models
+from documents.models import (Book, Chunk, Image, BookPublishRecord,
+        ImagePublishRecord)
+from documents.signals import post_publish
+from dvcs.signals import post_publishable
+
+
+def book_changed(sender, instance, created, **kwargs):
+    instance.touch()
+    for c in instance:
+        c.touch()
+models.signals.post_save.connect(book_changed, sender=Book)
+
+
+def chunk_changed(sender, instance, created, **kwargs):
+    instance.book.touch()
+    instance.touch()
+models.signals.post_save.connect(chunk_changed, sender=Chunk)
+
+
+def image_changed(sender, instance, created, **kwargs):
+    instance.touch()
+models.signals.post_save.connect(image_changed, sender=Image)
+
+
+def publish_listener(sender, *args, **kwargs):
+    if isinstance(sender, BookPublishRecord):
+        sender.book.touch()
+        for c in sender.book:
+            c.touch()
+    elif isinstance(sender, ImagePublishRecord):
+        sender.image.touch()
+post_publish.connect(publish_listener)
+
+
+def chunk_publishable_listener(sender, *args, **kwargs):
+    sender.tree.touch()
+    if isinstance(sender.tree, Chunk):
+        sender.tree.book.touch()
+post_publishable.connect(chunk_publishable_listener)
+
+def publishable_listener(sender, *args, **kwargs):
+    sender.tree.touch()
+post_publishable.connect(publishable_listener, sender=Image)
+
+
+def listener_create(sender, instance, created, **kwargs):
+    if created:
+        instance.chunk_set.create(number=1, slug='1')
+models.signals.post_save.connect(listener_create, sender=Book)
+