fredy/lib/services/stats.js

const config = require('../../conf/config.json');
let stats = {
  lastScrape: {},
  foundScrapes: {}
};

if (config.enableStats) {
  const http = require('http');
  http
    .createServer((req, res) => {
      res.writeHead(200, { 'Content-Type': 'application/json' });
      res.end(
        JSON.stringify({
          config,
          stats
        })
      );
    })
    .listen(config.statsPort, '127.0.0.1');
}

const datetime = date => {
  return `${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()} ${date.getHours()}:${date.getMinutes()}`;
};

exports.setLastScrape = (serviceName, numberOfNewListsings) => {
  const d = new Date();
  const dt = datetime(d);
  stats.lastScrape[serviceName] = d.toString();

  if (numberOfNewListsings > 0) {
    stats.foundScrapes[dt] = stats.foundScrapes[dt] || {};
    stats.foundScrapes[dt][serviceName] = numberOfNewListsings;
  }
};