app.coffee

http = require 'http'
fs = require 'fs'
util = require 'util'
connect = require 'connect'
uuid = require 'node-uuid'

require 'coffee-script'
UploadController = require './controllers/upload'

app = {}

app.mediaDir = '/tmp/media'
app.uploadDir = '/tmp/uploads'

uploadController = new UploadController(app)

options = 
  uploadDir: app.uploadDir

server = connect connect.bodyParser(options), connect.router (capp) ->
  capp.post '/', (req, res, next) ->
    uploadController.upload(req, res)
  capp.get '/:fileName', (req, res) ->
    filePath = path.join(app.mediaDir, req.params.fileName)
    stat = fs.statSync(filePath)
        
    read = fs.createReadStream filePath
    util.pump read, res 

server.listen(8080)

upload.coffee

class UploadController
  constructor: (app) ->
    @app = app 
  upload: (req, res) ->
    console.log req.files
    file = req.files['image1']
    fs.rename path.join(file.path), path.join(app.mediaDir, file.name)
    ids = []
    for name, image of req.files 
      do (name, image) ->
        id = uuid.v4()
        ids.push id
        fullpath = path.join(directory(), id) 
        fs.rename file.path, path.join(fullpath, filename(file.name))

    res.end JSON.stringify(ids)
  directory: (id) ->
    first = id.substring(0,2)
    second = id.substring(2,4)
    dir = path.join(app.mediaDir, first, second)
    fs.mkdir dir 
    return dir 
  filename: (name) ->
    name.replace(/\ /, '-').replace(/[^A-Za-z0-9\.\-_]/, '')