thing-js/extension/thingjs-rest/index.js

A framework provides easiest and fastiest way to build devices.

'use strict';

var express = require('express');

module.exports = {
  /**
   * The run method is the start point of the extension.
   * @param {Object} params         The extension parameters.
   * @param {Array}  params.modules The module instances.
   */
  run: function(params) {
    var app = express();

    params.modules.forEach(function(_module) {
      if (_module.type === 'input') {
        var moduleData = {};
        _module.on('data', function(data) {
          moduleData = data;
        });
        app.get('/modules/' + _module.id, function (req, res) {
          res.jsonp({
            result: 'success',
            module: _module.module,
            data: moduleData
          });
        });
      } else if (_module.type === 'output') {
        app.get('/modules/' + _module.id, function (req, res) {
          var action = req.query.action;
          if (_module[action] && typeof _module[action] === 'function') {
            _module[action].apply(_module, [req.query.params]);
            res.jsonp({
              result: 'success',
              module: _module.module,
              action: action
            });
          } else {
            res.jsonp({
              result: 'failure',
              module: _module.module,
              message: 'No such action.'
            });
          }
        });
      } else {
        console.warn('No such module type.');
      }
    });

    app.listen(3000, function () {
      console.log('Rest server extension listening on port 3000!');
    });
  }
}