make sure comments don't get indexed with their parents' UID in Plone 3. only declare dependency on plone.app.uuid in Python 2.6, since we only use it in Plone 4 currently.

svn path=/plone.app.discussion/trunk/; revision=46353

plone/app/discussion/catalog.py

@@ -16,6 +16,11 @@ from plone.app.discussion.interfaces import IConversation, IComment
 
 from plone.indexer import indexer
 
+try:
+    from plone.uuid.interfaces import IUUID
+except ImportError:
+    IUUID = None
+
 MAX_DESCRIPTION = 25
 
 # Conversation Indexers
@@ -130,3 +135,9 @@ def comments_last_comment_date(object):
 @indexer(IComment)
 def comments_commentators(object):
     return None
+
+# Make sure comments don't inherit their container's UID
+@indexer(IComment)
+def UID(object):
+    if IUUID:
+        return IUUID(object, None)

plone/app/discussion/configure.zcml

@@ -101,6 +101,7 @@
     <adapter name="in_response_to" factory=".catalog.in_response_to" />
 
     <!-- Comment indexes -->
+    <adapter name="UID" factory=".catalog.UID" />
     <adapter name="Title" factory=".catalog.title" />
     <adapter name="Creator" factory=".catalog.creator" />
     <adapter name="Description" factory=".catalog.description" />

plone/app/discussion/tests/test_comment.py

@@ -71,27 +71,36 @@ class CommentTest(PloneTestCase):
         conversation.addComment(comment1)
         comment_brain = self.catalog.searchResults(
                             portal_type = 'Discussion Item')[0]
-        self.failUnless(comment_brain.UID)
+        
+        # comment should only have a UID if plone.uuid is present
+        try:
+            from plone.uuid.interfaces import IUUID
+            IUUID # pyflakes
+        except ImportError:
+            self.failIf(comment_brain.UID)
+        else:
+            self.failUnless(comment_brain.UID)
         
     def test_uid_is_unique(self):
-        conversation = IConversation(self.portal.doc1)        
+        conversation = IConversation(self.portal.doc1)
         comment1 = createObject('plone.Comment')
         conversation.addComment(comment1)
         comment2 = createObject('plone.Comment')
         conversation.addComment(comment2)
         brains = self.catalog.searchResults(
                      portal_type = 'Discussion Item')
-        self.assertNotEquals(brains[0].UID, None)
-        self.assertNotEquals(brains[1].UID, None)
-        self.assertNotEquals(brains[0].UID, brains[1].UID)
+        
+        # make sure uids are either both None (i.e. without plone.uuid),
+        # or not equal
+        if brains[0].UID != None or brains[1].UID != None:
+            self.assertNotEquals(brains[0].UID, brains[1].UID)
     
     def test_comment_uid_differs_from_content_uid(self):
-        conversation = IConversation(self.portal.doc1)        
+        conversation = IConversation(self.portal.doc1)
         comment1 = createObject('plone.Comment')
         conversation.addComment(comment1)
         comment_brain = self.catalog.searchResults(
                             portal_type = 'Discussion Item')[0]
-        self.assertNotEquals(comment_brain.UID, None)
         self.assertNotEquals(self.document_brain.UID, comment_brain.UID)
 
     def test_title(self):