function()

in app/api-service-broker/routes/mongo.js [68:83]


      function(heroes, cb) {
        Rate.aggregate([
          {
            $group: {
              _id: "$heroRated",
              stars: { $sum: "$rating" },
              votes: { $sum: 1 }
            }
          },
          { $sort: { stars: -1 } }
        ])
          .then(ratings => {
            cb(null, ratings, heroes);
          })
          .catch(next);
      }