text: 'use strict';
  
  angular.module('core')
  .factory('uuid', function() {
      var svc = {
          new: function() {
              function _p8(s) {
                  var p = (Math.random().toString(16)+'000000000').substr(2,8);
                  return s ? '-' + p.substr(0,4) + '-' + p.substr(4,4) : p ;
              }
              return _p8() + _p8(true) + _p8(true) + _p8();
          },
           
          empty: function() {
            return '00000000-0000-0000-0000-000000000000';
          }
      };
       
      return svc;
  });
  