--- a/app/soc/logic/models/presence.py	Sat Feb 21 00:33:59 2009 +0000
+++ b/app/soc/logic/models/presence.py	Sat Feb 21 00:43:56 2009 +0000
@@ -50,6 +50,7 @@
       entity:  Presence (or one of its sub-classes) entity that may or may
         not have a ToS Document attached
     """
+
     if not entity:
       return None
 

--- a/app/soc/views/models/presence.py	Sat Feb 21 00:33:59 2009 +0000
+++ b/app/soc/views/models/presence.py	Sat Feb 21 00:43:56 2009 +0000
@@ -144,6 +144,10 @@
     if 'home_link_id' not in fields:
       return super(View, self)._editPost(request, entity, fields)
 
+    if not fields['home_link_id'] and entity.home:
+      properties = {'home_for': None}
+      document_logic.logic.updateEntityProperties(entity.home, properties)
+
     scope_path = self._logic.getKeyNameFromFields(fields)
 
     key_fields = {
@@ -157,4 +161,8 @@
 
     fields['home'] = home_doc
 
+    if home_doc:
+      properties = {'home_for': entity}
+      document_logic.logic.updateEntityProperties(home_doc, properties)
+
     super(View, self)._editPost(request, entity, fields)