Support sorting database search results by rank, and add a rank attribute to ATOM entries.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1517412 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 7 insertions, 1 deletions

diff --git a/sca-cpp/trunk/hosting/server/atomutil.py b/sca-cpp/trunk/hosting/server/atomutil.py
index 2fbcaff8ce..81cf8dee41 100644
--- a/sca-cpp/trunk/hosting/server/atomutil.py
+++ b/sca-cpp/trunk/hosting/server/atomutil.py
@@ -32,7 +32,7 @@ def title(e):
     if isNull(e):
         return ()
     t = assoc("'title", car(e))
-    return None if isNull(t) else cadr(t)
+    return None if isNull(t) or isNull(cdr(t)) else cadr(t)
 
 def entryid(e):
     if isNull(e):
@@ -52,6 +52,12 @@ def updated(e):
     u = assoc("'updated", car(e))
     return None if isNull(u) else cadr(u)
 
+def rank(e):
+    if isNull(e):
+        return ()
+    r = assoc("'rank", car(e))
+    return None if isNull(r) else cadr(r)
+
 def content(e):
     if isNull(e):
         return ()