gistfile1.rb

# app.rb

require 'rubygems'
require 'sinatra'
require 'yaml'
require 'wufoo'

config = YAML::load(File.read('config/wufoo'))


get '/neswletter' do
  haml :neswletter
end

post '/thanks' do
  client = Wufoo::Client.new('http://euforia.wufoo.com', config['api_key'])
  submission = Wufoo::Submission.new(client, 'newsletter')

  response = submission.add_params({
    '1'  => params[:name],
    '3' => params[:email]
  }).process


  if response.success?
    
    #@mensaje = response.message
    @mensaje = "Thanks for signing up to our newsletter."
  else
    # Something was wrong with the request
    # (missing api key, invalid form, etc)
    if response.fail?
     @mensaje = response.error    
    end

    # validation errors
    unless response.valid?
      errors = response.errors.collect { |e| "#{e.field_id} (#{e.code}): #{e.message}" }    
      @mensaje = errors * "\n"
    end
  end

  haml :thanks
end

# newsletter.haml

     %form{:action=>"/thanks", :method => "post", :id => "newsletter_form"}
        %p
          %label Name:
          %input{ :type => "text", :name => "name", :class => "required"}
        %p 
          %label Email:
          %input{ :type => "text", :name => "email", :class => "required email" }
        
        %center
          %input{:class=>"submit", :type=>"submit", :value=>"Submit"}

# thanks.haml

%h1= @mensaje