index.js

const nodemailer = require('nodemailer');
const config = require('./config');
const template = require('./template');
const shell = require('shelljs')

if (!config || !config.email || !config.pass || !config.to) {
  console.log('oops! touch a config file for your gmail address, password and receiver!');
  return;
}

if (!config.repoPath) {
  console.log('oops! repo path is NEEDED!');
  return;
}

let transporter = nodemailer.createTransport({
  service: 'Gmail',
  auth: {
    user: config.email,
    pass: config.pass
  }
});

let date = new Date();

let mailOptions = {
  from: `${config.from}  <${config.email}>`,
  to: config.to,
  subject: `Daily Report - ${date.getFullYear()}-${date.getMonth() + 1}-${date.getDate()}.`,
  html: ''
};

var sendMailToBoss = (commits) => {
  mailOptions.html = template({
    table: commits.replace(/\*/g, '').split('\n'),
    footer: {
      userName: config.from,
      phone: config.phone || '',
      email: config.workingEmail || config.email
    }
  });

  transporter.sendMail(mailOptions, (error, info) => {
    if (error) {
      return _sendFailEmail(error);
    }

    console.log(`Congratuactions!, ${date.toLocaleDateString()} mail succeed!\n`);
    console.log(`options: ${JSON.stringify({
      from: `${config.from}  <${config.email}>`,
      to: config.to,
      subject: `Daily Report - ${date.getFullYear()}-${date.getMonth() + 1}-${date.getDate()}.`,
    })}\n\n`);
  });
};

shell.cd(config.repoPath);

shell.exec('git log --graph --pretty=format:"%s" --abbrev-commit  --since="0am"', {
  silent: true
}, (code, stdout, stderr) => {
  if (code != 0) {
    _sendFailEmail(stderr);
    return;
  }

  if (!stdout) {
    return;
  }

  sendMailToBoss(stdout);
});

function _sendFailEmail(err) {
  console.log(`oops!, ${date.toLocaleDateString()} mail filed!\n`);
  console.log(err);

  transporter.sendMail({
    from: mailOptions.from,
    to: mailOptions.from,
    subject: `Failed! Boss did not get your email in ${date.toLocaleString()}`,
    text: `send email failed,mail options: ${JSON.stringify(mailOptions)}`
  });
}