Quick Firebase to Botkit storage adapter

firebase-botkit-storage-adapter.js

var config = require('../config');
var Firebase = require('firebase');

var fireBaseRef = new Firebase(config.firebaseUrl);

module.exports = (function() {

    var storage = {};

    ['teams', 'users', 'channels'].map(function(table) {
        storage[table] = {

            tableRef: fireBaseRef.child(table),

            get: function(id, cb) {
                var user = this.tableRef.child(id);
                return user.once("value", function(snapshot) {
                    return cb(null, snapshot.val());
                });
            },

            save: function(item, cb) {
                var result = this.tableRef.child(item.id).set(item);
                return cb(null, result);
            },

            all: function(cb) {
                return this.tableRef.once("value", function(snapshot) {
                    return cb(snapshot.val());
                });
            }
        }
    });

    return storage;

})();