A simple Auth0 webtask (webtask.io) for IFTTT which saves GitHub issue ages indexed by issue label(s) upon issue close

github_issue_stats_webtask.js

var moment      = require('moment');
var parallel    = require('async').parallel;
var MongoClient = require('mongodb').MongoClient;

function update_label_stats(label, age, db, cb) {
  var where = {
    label: label
  };

  var update = {
    $push: {
      ages: age
    }
  };

  var options = {
    upsert: true
  };

  db.collection('labels').updateOne(where, update, options, function (err) {
    err ? cb(err) : cb(null);
  });
}

module.exports = function (ctx, done) {
  var opened = moment(ctx.data.opened, 'MMMM D, YYYY at h:mma');
  var closed = moment(ctx.data.closed, 'MMMM D, YYYY at h:mma');
  var issue_age = (closed - opened) / 1000;
  var issue_labels = (ctx.data.labels || 'none').split(',');

  MongoClient.connect(ctx.data.MONGO_URL, function (err, db) {
    if (err) return done(err);

    var mongo_tasks = issue_labels.map(function (label) {
      return function (cb) {
        update_label_stats(label, issue_age, db, function (err) {
          err ? cb(err) : cb(null);
        });
      };

    });

    parallel(mongo_tasks, function (err) {
      err ? done(err) : done(null, 'Success.');
    });

  });
};