for Rubyist Magazine 0036

app2.rb

# encoding: utf-8
require 'rubygems'
require 'sinatra/base'
require 'sinatra/reloader'
require 'rack/rewrite'
require 'padrino-helpers'
require 'padrino-core'
require 'padrino-cache'

require 'haml'

class App < Sinatra::Base
  enable :inline_templates
  disable :logging
  # configure :development do
  #   set :server, "webrick"
  #   register Sinatra::Reloader
  # end
  set :app_name, "App"
  register Padrino::Routing
  register Padrino::Cache
  enable :caching
  register Padrino::Helpers

  use Padrino::Logger::Rack, "/"

  use Rack::Rewrite do
    rewrite %r{^/song_for/(.*)}, '/name/$1'
  end

  get '/' do
    haml :index
  end

  get '/name/:name' do
    @name = params[:name]
    @title = "Song for #{@name}"
    haml "#{@name}'s Way"
  end

  get '/heavy_contents', :cache => true do
    expires_in 60 # 60 秒でキャッシュクリア
    sleep 5 # とても重い処理の代わり
    "Process done!"
  end
end

App.run!

__END__

@@ layout
!!! 5
%html
  %head
    %title= yield_content(:title) || @title
  %body
    %h1= yield_content(:header) || @title
    %div= yield

@@ index
- content_for :title do
  This is title from helper
- content_for :header do
  This is header from helper
%p My Way