emailSender function for parse-server

send-email.js

import aws from 'aws-sdk'
import path from 'path'
import fs from 'fs'
aws.config.loadFromPath(path.resolve('credentials', 'aws_config.json'));
const ses = new aws.SES({apiVersion: '2010-12-01'});
const resetEmail = fs.readFileSync(path.resolve('emails', 'reset-password.html'), 'utf8');
const verifyEmail = fs.readFileSync(path.resolve('emails', 'verify-email.html'), 'utf8');
import {Constants} from 'parse-server'
import Promise from 'bluebird'

export function sendEmail(type:string, link:string, email:string):Promise {
  let emailContent:?string = null;
  let subject:?string = null;
  switch (type) {
    case Constants.RESET_PASSWORD:
      emailContent = resetEmail.replace('<%LINK_GOES_HERE%>', link);
      subject = "Reset App password";
      break;
    case Constants.VERIFY_EMAIL:
      emailContent = verifyEmail.replace('<%LINK_GOES_HERE%>', link);
      subject = "Verify App email";
      break;
    default:
      throw new Error("Invalid email type: " + type)
  }

  return new Promise((resolve, reject)=>{
    ses.sendEmail({
      Source: 'contact@app.com',
      Destination: {
        ToAddresses: [email]
      },
      Message: {
        Subject: {
          Data: subject
        },
        Body: {
          Html : {
            Data: emailContent,
            Charset: "UTF-8"
          }
        }
      }
    }, function(err) {
      if (err) {
        throw new Error("Error sending email ", err);
        return reject(err);
      }
      resolve();
    })
  })
}