off-sqs-debearloper/lib/sender.js

Helper app that manages SQS and RabbitMQ transactions

var amqp   = require('amqplib'),
    AWS    = require('aws-sdk'),
    config = require('./config'),
    when   = require('when');

module.exports = sendMessages = function (sendingData, url){
  if(config.env.production || config.env.qa){
    return sendWithSqs(sendingData, url); };

  return sendWithRabbitMQ(sendingData, url);
};

var sendWithRabbitMQ = function (sendingData, url){
  amqp.connect('amqp://localhost').then(function(conn){
    return when(conn.createChannel().then(function(channel){
      var queue = url;
      var ok = channel.assertQueue(queue, {durable: false});

      return ok.then(function(_qok){
        var dataToSend = JSON.stringify(sendingData);
        channel.sendToQueue(queue, new Buffer(dataToSend));
        return channel.close();
      });
    })).ensure(function() {
      conn.close();
    });
  }).then(null, console.warn);
};

var sendWithSqs = function (sendingData, url){
  if(typeof sendingData != 'string'){
    sendingData = JSON.stringify(sendingData);
  };
  var params = {
    MessageBody: sendingData,
    QueueUrl: url
  };

  AWS.config.update(config.awsConfigFile);
  var sqs = new AWS.SQS();
  sqs.sendMessage(params, function(err, data){
    if(err){
      console.log("" + err);
    } else {
      console.log("Success send");
    };
  });
};