--- a/app/soc/logic/models/student_proposal.py	Tue Mar 03 22:52:11 2009 +0000
+++ b/app/soc/logic/models/student_proposal.py	Tue Mar 03 23:01:31 2009 +0000
@@ -57,12 +57,19 @@
     super(Logic, self)._onCreate(entity)
 
   def _updateField(self, entity, entity_properties, name):
-    """Update the ranker if the score changes
+    """Update the ranker if the score changes and keep the score within bounds.
     """
 
     value = entity_properties[name]
 
     if name == 'score':
+      # keep the score within bounds
+      min_score, max_score = student_proposal.DEF_SCORE
+
+      value = max(min_score, min(value, max_score-1))
+      entity_properties[name] = value
+
+      # update the ranker
       fields = {'link_id': student_proposal.DEF_RANKER_NAME,
                 'scope': entity.org}
 
@@ -70,6 +77,7 @@
       ranker = ranker_logic.logic.getRootFromEntity(ranker_root)
       ranker.SetScore(entity.key().name(), [value])
 
+
     return super(Logic, self)._updateField(entity, entity_properties, name)