Fixed the case where a folder has allow_discussion=False and

conversation.enabled() on a document in this folder returned False
instead of True because of allow_discussion acquisition.

svn path=/plone.app.discussion/trunk/; revision=38835

CHANGES.txt

@@ -4,6 +4,11 @@ Changelog
 1.0b6 (unreleased)
 ------------------
 
+* Fixed the case where a folder has allow_discussion=False and
+  conversation.enabled() on a document in this folder returned False
+  instead of True because of allow_discussion acquisition.
+  [vincentfretin]
+
 * Redirect to the comment form action instead of the absolute url when a 
   comment is posted. This fixes the accidentially triggered file upload when a 
   comment is posted on a file content object.

plone/app/discussion/conversation.py

@@ -127,7 +127,7 @@ class Conversation(Traversable, Persistent, Explicit):
         obj = aq_parent(self)
 
         # If discussion is disabled for the object, bail out
-        obj_flag = getattr(obj, 'allow_discussion', None)
+        obj_flag = getattr(aq_base(obj), 'allow_discussion', None)
         if obj_flag is False:
             return False
 

plone/app/discussion/tests/test_conversation.py

@@ -215,6 +215,31 @@ class ConversationTest(PloneTestCase):
         self.assertEquals(portal_discussion.isDiscussionAllowedFor(self.portal.doc1), True)
         self.assertEquals(getattr(self.portal.doc1, 'allow_discussion', None), True)
 
+    def test_comments_enabled_on_doc_in_subfolder(self):
+        typetool = self.portal.portal_types
+        typetool.constructContent('Folder', self.portal, 'folder1')
+        typetool.constructContent('Document', self.portal.folder1, 'doc2')
+        
+        folder = self.portal.folder1
+        folder.allowDiscussion(False)
+        self.assertFalse(hasattr(aq_base(folder), 'allow_discussion'))
+        folder.allowDiscussion(True)
+        self.assertTrue(aq_base(folder).allow_discussion)
+        folder.allowDiscussion(False)
+        self.assertFalse(aq_base(folder).allow_discussion)
+        
+        doc = self.portal.folder1.doc2
+        conversation = IConversation(doc)
+        self.assertEquals(conversation.enabled(), False)
+        
+        # We have to allow discussion on Document content type, since
+        # otherwise allow_discussion will always return False
+        portal_types = getToolByName(self.portal, 'portal_types')
+        document_fti = getattr(portal_types, 'Document')
+        document_fti.manage_changeProperties(allow_discussion = True)
+
+        self.assertEquals(conversation.enabled(), True)
+
     def test_disable_commenting_globally(self):
 
         # Create a conversation.