server.js

var dotenv = require('dotenv');

dotenv.load();
var GitHub = require('github-api');
var get_token = require('./TOKEN');
var request = require('request');
var validateMessage = require('validate-commit-msg');

var gh = new GitHub({
      token : get_token
});

const secret = process.env.WEBHOOK_SECRET;

const http = require('http')
const webHookHandler = require('github-webhook-handler')({
  path: '/',
  secret: secret
})
http.createServer(handleRequest).listen(3000)
console.log('server started')

webHookHandler.on('pull_request', (event) => {
  console.log(`Received PR "${event.payload.pull_request.number}"`);
  console.log(`Commits URL "${event.payload.pull_request.commits_url}"`);

  request({
    url : event.payload.pull_request.commits_url,
    headers : {
      'User-Agent': 'Hoodie Bot'
    }
  }, (error, response,body) => {
    var commits = JSON.parse(body);
    var commitMessages = [];
    for(var i = 0; i < commits.length; i++) {
      commitMessages.push(commits[i].commit.message);
    }
    // console.log(commitMessages);
    // var valid = validateMessage('chore(index): an example commit message');
    for(var i = 0; i < commitMessages.length; i++) {
      console.log(commitMessages[i]);
      var valid = validateMessage(commitMessages[i]);
      console.log(valid);
    }
  });
})

function handleRequest (request, response) {
  // ignore all requests that aren’t POST requests
  if (request.method !== 'POST') {
    console.log("Get Request Received");
    return response.end('ok');
  }
  // here we pass the current request & response to the webHookHandler we created
  // on top. If the request is valid, then the "issue" above handler is called
  webHookHandler(request, response, () => response.end('ok'))
}


// module.exports = function (robot) {
//   robot.on('issues', handleIssue.bind(null, robot))
// }
//
// function handleIssue (robot, context) {
//   const api = context.github
//   const {installation, repository, issue} = context.payload
//
//   api.issues.createComment({
//     owner: repository.owner.login,
//     repo: repository.name,
//     number: issue.number,
//     body: 'Welcome to the robot uprising.'
//   })
// }


// module.exports = robot => {
//   robot.on('issues.opened', context => {
//     const params = context.issue({
//       body: 'Hello World!'
//     });
//     context.github.issues.createComment(params);
//   });
// };


// module.exports = robot => {
//   robot.on('issues.opened', async context => {
//     // `context` extracts information from the event, which can be passed to
//     // GitHub API calls. This will return:
//     //   {owner: 'yourname', repo: 'yourrepo', number: 123, body: 'Hello World!}
//     const params = context.issue({body: 'Hello World!'})
//     console.log("Issue opened");
//     // Post a comment on the issue
//     return context.github.issues.createComment(params);
//   });
// }