nodejs downloader

download.coffee

http = require 'http'
fs = require 'fs'
URL = require 'url'

class Downloader

    @download_image:(image_url, destination, callback)
        options = URL.parse image_url
        http.get(options, (response) ->
            fileStream = false

            response.on 'data', (data_chunk) ->
                fileStream = fs.createWriteStream(destination) unless fileStream?
                fileStream.write data_chunk

            response.on 'end', () ->
                fileStream.end()
                console.log "downloaded #{image_url}!"
                callback()