Jekyll Contact Form with Sinatra

_contact.rb

require 'rubygems'
require 'sinatra'
require 'pony'
require 'haml'

set :haml, {:format => :html5}
set :public, File.dirname(__FILE__)
set :views, File.dirname(__FILE__)

# Create the page class and give it a title of Contact for the layout
class Page
  def title
    'Contact'
  end
end

def contact
  # create the variables that the layout will expect
  page = Page.new
  content = haml :contact
  
  # render the contact page using jekyll's layout and with our mock jekyll vars
  haml :contact, :layout=>:'_layouts/default', :locals=>{:page=>page, :content=>content}
end

get '/contact' do
  @errors={}
  contact
end

post '/contact' do
  @errors={}
  @errors[:name] = 'No Anon allowed here.' if params[:name].nil? || params[:name].empty?
  @errors[:email] = 'Sinatra needs an email to send your message from!' if params[:email].nil? || params[:email].empty?
  @errors[:message] = 'No message?! Sounds like heavy breathing on the phone to me.' if params[:message].nil? || params[:message].empty?
  
  if @errors.empty?
    Pony.mail(:to=>'george@ghickman.co.uk', :from=>"#{params[:email]}", :subject=>"Contact Message", :body=>"#{params[:message]}")
    redirect 'http://localhost:4000/index.html'
  else
    contact
  end
end

config.ru

require 'source/_contact'

set :run, false
set :environment, :production

FileUtils.mkdir_p 'log' unless File.exists?('log')
log = File.new("log/sinatra.log", "a")
$stdout.reopen(log)
$stderr.reopen(log)

run Sinatra::Application

contact.haml

#contact
  %form{:method=>"post"}
    %fieldset
      .input
        %label{:for=>"name"} Name
        %input{:name=>"name", :type=>"text", :id=>"name", :class=>('error' if !@errors[:name].nil?), :required=>{}}
      - if !@errors[:name].nil?
        .error
          %p=@errors[:name]
      
      .input
        %label{:for=>"email"} Email Address
        %input{:name=>"email", :type=>"email", :id=>"email", :class=>('error' if !@errors[:email].nil?), :required=>{}}
      - if !@errors[:email].nil?
        .error
          %p=@errors[:email]
      
      .input
        %label{:for=>"message"} Message
        %textarea{:name=>"message", :id=>"message", :rows=>'5', :class=>('error' if !@errors[:message].nil?), :required=>{}}
      - if !@errors[:message].nil?
        .error
          %p=@errors[:message]
      
      #submit.input
        %input{:type=>"submit", :value=>"Send"}

default.haml

!!!
%html
  %head
    %title Jekyll's Contact Form
    %meta{:"http-equiv" => "Content-type", :content => "text/html; charset=utf-8"}
    
    %link{:rel =>'shortcut icon', :href=>'/favicon.ico', :type=>'image/x-icon'}
    %link{:rel=>'stylesheet', :type=>'text/css', :href=>'/stylesheets/master.css', :media=>'screen'}

  %body
    %header
      %h1 Jekyll's Contact From brought to you by Sinatra

    %nav
      %ul
        %li
          %a{:href=>'/', :title=>'Home'} Blog
        %li
          %a{:href=>'http://localhost:4567/contact', :title=>'Contact'} Contact
    
    %section#content== #{content}
      
    %footer
      %div
        %section#jekyll
          Powered by 
          %a{:href=>"http://github.com/richguk/jekyll", :title=>"Jekyll"} Jekyll
        %section#from
          A
          %a{:href=>"http://ghickman.co.uk", :title=>"GHickman Blog"} GHickman
          project

directories

config.ru
site/
source/
  _contact.rb
  _layouts/
    default.haml
  _posts/
  contact.haml
  images/
  index.haml
  javascript/
  stylesheets/