nibi/lib/index.js

Extremely easy management of queues with RabbitMQ and/or AmazonSQS

var when = require('when')

var getMessages = require('./receiver')
var listQueues = require('./listQueues')
var utils = require('./utils')
var sendMessages = require('./sender')
var config = require('./config')


var nibi = function (opts) {
  this.listQueues = listQueues.bind(this)
  this.getMessages = getMessages.bind(this)

  this.config = config.load(opts)
}


nibi.prototype.awsReviewerFile = function () {
  var conf = this.config
  var noAWSFile = (JSON.stringify(conf.awsConfigFile) === undefined)

  if (noAWSFile && conf.service === 'aws') {
    console.log("AWS Credentials don't found. Remember to add the file while constructing the instance")

    throw new Error('You need to put your own AWS configuration file')
  }
}

nibi.prototype.sender = function (queueName, data, callback) {
  this.awsReviewerFile()

  this.listQueues(queueName).then(function (queueUrl) {
    sendMessages(data, queueUrl, callback)
  })
}

nibi.prototype.receiver = function (queueName, callback) {
  this.awsReviewerFile()
  this.callback = callback

  var deferred = when.defer()
  var self = this

  this.listQueues(queueName).then(function (queueUrl) {
    self.queueUrl  = queueUrl

    deferred.resolve({
      receiver: self.getMessages.call(this)
    })
  })
}

nibi.prototype.getQueueUrl = function (queueName) {
  var deferred = when.defer()

  this.listQueues(queueName).then(function (queueUrl) {
    deferred.resolve(queueUrl)
  })

  return deferred.promise
}

nibi.prototype.parseMessage = function (data) {
  return utils.parseMessage(data)
}


module.exports = nibi