implements file upload in zappa

gistfile1.coffee

it is so simple. 
it is that add connect-form in zappa 


1. npm install zappa 

2. npm install connect-form

3. cd /usr/local/lib/node/.npm/zappa/active/package/lib     - move yourself npm directory

4. edit zappa.coffee 

zappa = exports
express = require 'express'
form = require 'connect-form'      <--- append connect-form module 
fs = require 'fs'
puts = console.log

5. set http server 

      @http_server.use express.bodyParser()
      @http_server.use express.cookieParser()
      @http_server.use express.session(secret: 'hackme' )
      @http_server.use form(keepExtensions: true)    <-------- append connect-form middleware

6. coffee -c zappa.coffee

it is done to implements file-upload in zappa 


7. use connect-form  in zappa 


post '/': ->
    request.form.complete (err, fields, files) ->
        if not err
            // saveGridFS file.filename for  filekey, file  of files
            next()
        else
            next()

    request.form.on 'progress', (bytesReceived, bytesExpected) ->
        percent = (bytesReceived / bytesExpected * 100) | 0
        process.stdout.write 'Uploading: %' + percent + "\n"