PubNub Metrics BLOCK w/ Librato API

pubnub_librato_block.js

const xhr = require('xhr');
const auth = require('codec/auth');
const query = require('codec/query_string');

export default (request) => {
    const username = 'YOUR_LIBRATO_EMAIL';
    const password = 'YOUR_LIBRATO_APIKEY';
    const apiUrl = 'https://metrics-api.librato.com/v1/metrics';

    const httpOptions = {
        method: 'post',
        headers: {
            'Content-Type': 'application/x-www-form-urlencoded',
            Authorization: auth.basic(username, password)
        },
        body: query.stringify({
          "gauges[sentiment][value]":  request.message.sentiment,
          "gauges[sentiment][source]":  request.message.userid,
          "gauges[sentiment][measure_time]":  parseInt(new Date().getTime() / 1000)
        })
    };

    return xhr.fetch(apiUrl, httpOptions)
    .then((r) => {
        request.message.metric_result = r;
        return request.ok();
    })
    .catch((e) => {
        console.error(e);
        return request.ok();
    });
};