Wrap for request using Promise and throttle-exec

throttle_request

var ThrottleEngine = require("throttle-exec")
var Promise = require("when/es6-shim/Promise")
var Request = require("request")

var throttlingCount = 10
var ThrottleInstance = new ThrottleEngine(throttlingCount)
var Engine = function(param){
	return ThrottleInstance.registerAction("request",[param])
}

function createRequest(param){
	return new Promise(function(resolve,reject){
		Request(param,function(err,response,body){
			if(!err){
				resolve({
					response:response,
					body:body
				})
			}else{
				reject(new Error(err))
			}
		})
	})
}

ThrottleInstance.registerFunction("request",createRequest)
module.exports = Engine;