Very very simple "sync" for Backbone & Redis

sync.js

/*jslint indent: 2, node: true*/
'use strict';
var _ = require('underscore');
var redis = require('redis');
module.exports = function(options) {
  options = _.clone(options || {});
  _.defaults(options, {
    port: 6379,
    host: '127.0.0.1',
    options: {},
  });

  var client = redis.createClient(options.port, options.host, options.options);
  if (options.flush) {
    options.log('warn', 'flushing DB');
    client.flushdb();
  }

  function sync(method, model, opts) {
    opts = opts || {};

    function cb(err, result) {
      if (err && opts.error) {
        return opts.error(null, 'error', err);
      }
      if (opts.success) {
        return opts.success(result, 'success');
      }
    }

    switch (method) {

    case 'create':
    case 'update':
    case 'patch':
      client.hmset(model.id, model.toJSON(), cb);
      break;

    case 'delete':
      client.hgetall(model.id, function(err, result) {
        if (err) {
          return cb(err);
        }
        client.hdel([model.id].concat(_.keys(result)), cb);
      });
      break;

    case 'read':
      client.hgetall(model.id, cb);
      break;

    }
  }

  sync.client = client;

  return sync;
};