datastore.js

/*
* Copyright (c) 2015 - 2016 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

// The program is using the `superagent` module
// to make the remote calls to the data store
var request = require("superagent");

// Store record in the remote datastore
exports.log = function(config, payload) {
  if (!config.SERVER || !config.AUTH_TOKEN) {
    return;
  }

  function callback(err, res) {
    if (err) {
      return console.error("err:", err);
    } else {
      return console.log("Saved to datastore:", payload);
    }
  }

  request
    .put(config.SERVER)
    .set("X-Auth-Token", config.AUTH_TOKEN)
    .send(payload)
    .end(callback);
};

exports.increment = function(config) {
  if (!config.SERVER || !config.AUTH_TOKEN) {
    return;
  }

  function callback(err, res) {
    if (err) {
      return console.error("err:", err);
    } else {
      console.log("Saved to datastore");
      return console.log("total count:", res.body.value);
    }
  }

  request
    .get(config.SERVER)
    .set("X-Auth-Token", config.AUTH_TOKEN)
    .end(callback);
};