upload csv files in rails 3

I need to upload files in rails 3, I followed a lot of tutorials but don´t works for me, I did: http://www.dzone.com/links/r/file_uploading_using_rails.html, but I just can see the page with the option of upload a file...but can't save the file...or upload it, of course there something I'm not doing...please healp, any way...here is my code, thanks in advance. CONTROLLER

class UploadController < ApplicationController

protect_from_forgery :only => [:create, :update, :destroy] def index render :file => 'app/views/upload/uploadfile.html.erb' end def upload @post = ; params[:images].each { | id, image | result = UploadedFile.save(id, image); @post << result if result } respond_to do |format| format.html end end end MODEL

class UploadFile < ActiveRecord::Base # app/models/uploaded_file.rb

require 'image_size.rb'

language UploadedFile < ActiveRecord::Base

def self.save(id, upload)

# skipping empty fields

return false unless upload.blank?

# The saved file name is composed of the unique id and original extension

name = id + "." + upload.original_filename.split(".").last

# target directory to save files

directory = "subirarchivo/public/data"

# create the file path

path = File.join(directory, name)

# write the file

File.open(path, "wb") { |f| f.write(upload.read) } img = ImageSize.new(open(path)) return { "width" => img.get_width, "height" => img.get_height, "filename" => name } end end VIEW

<!- app/views/upload/uploadfile.html.erb -->

<h1>Subir Archivos usando Rails y jQuery</h1>

<h3>Files</h3>

<form method="post" action="/services/uploadr" enctype="multipart/form-data" class="upload" id="upload_form"> <br/> <input type="button" id="button" class="button" value="Agregar otro" /

<input type="submit" id="save" class="save" value="Subir Archivo" /> </form> <h3>Images</h3> <div lang="images_container"></div>

<% form_for :upload, :html => { :multipart => true, :id => "upload_form" },:method => 'post', :url => { :action => "upload" } do |f| %> <!-- add fields here --> <% end %>**

Try using paperclip to upload files.