rodreegez

class Upload < ActiveRecord::Base
  has_attached_file :uploaded_file
                    
   validates_presence_of :uploaded_file
  end
                                    
  def self.list_all_files
    find(:all, :order => "created_at DESC")  
  end
end

rodreegez

<% form_for @mp3, :url => uploads_path, :html => { :multipart => true, :method => :post } do |f| %>
	<%= error_messages_for :mp3 %>
	<p>
		<%= f.file_field :mp3 %>
	</p>
	
	<p>
		<%= f.submit "Upload" %>
	</p>
	

rodreegez

map.resources :uploads

rodreegez

class UploadsController < ApplicationController
  def new
    @mp3 = Mp3.new
  end

  def create
    @mp3 = Mp3.new(params[:mp3])
    if @mp3.save
      redirect_to upload_path(@mp3)
      else

rodreegez

class Mp3 < ActiveRecord::Base
  # attach an mp3 via Paperclip, then validate it
  has_attached_file :mp3