function(doc,req) { if (!doc) { var new_doc = {}; if ( req.id) { new_doc._id = req.id; } else { new_doc._id = req.uuid; }; new_doc.timestamp = new Date().getTime(); new_doc.body = eval('(' + req.body + ')'); return [new_doc,'added new'];
   } doc.timestamp = new Date().getTime(); return [doc,'updated'];}