Part 1 in our Arrrrcamp presentation

arrrr.rb

# sudo gem source -a http://gems.github.com
# sudo gem install thoughtbot-paperclip giraffesoft-resource_controller restfulx

def mate(path='')
  run "mate #{path}"
end

def step(name='')
  $step_count ||= 0
  $step_count += 1
  clear
  until yes?("Continue to step #{$step_count}: #{name}")
  end
  yield
end

def restart
  in_root { run 'touch tmp/restart.txt' }
end

def sopen(what, delay=2)
  Thread.new do
    sleep delay
    run "open #{what}"
  end
end

def clear
  system 'clear'
end


step 'required gems' do
  gem "restfulx"
  gem 'thoughtbot-paperclip', :lib => 'paperclip',
    :source => 'http://gems.github.com'
  gem 'giraffesoft-resource_controller', :lib => 'resource_controller',
    :source => 'http://gems.github.com'
  mate '.'
  mate 'config/environment.rb'
end

step 'generate restfulx configuration' do
  generate('rx_config')
  mate 'config/restfulx.yml'
end

step 'configure restfulx' do
  gsub_file('config/restfulx.yml', /controller_pattern:\s*'default'/,
                                   'controller_pattern: \'resource_controller\'')
  mate 
end

step 'write the db/model.yml file' do
  file 'db/model.yml', <<-CODE
gallery:
 - name: string
 - description: text
 - has_many: [pictures]

picture:
 - belongs_to: [gallery]
 - attachment_field: [file]
 - description: text
CODE
  mate 'db/model.yml'
end

step 'generate the scaffold from db/model.yml' do
  in_root { run 'rm app/flex/*.mxml' }
  generate('rx_yaml_scaffold')
  
  migration_path = Dir.glob('db/migrate/*_create_pictures.rb').last
  gsub_file(migration_path, /avatar_/,
                            'file_')
  
  mate
end

step 'tweak our models' do
  gsub_file('app/models/picture.rb', /def attachment_url/,
                                     "validates_presence_of :gallery\n  def attachment_url")
  gsub_file('app/models/picture.rb', /def attachment_url/,
                                     "validates_attachment_presence :file\n  def attachment_url")
  gsub_file('app/models/picture.rb', /def attachment_url/,
                                     "\n  def attachment_url")
  
  gsub_file('app/models/gallery.rb', /\bend\b/,
                                     "  validates_presence_of :name\nend")
  
  mate
end

step 'migrate and build swf' do
  rake('db:migrate')
  rake('rx:flex:build')
  mate
end

step 'migrate and build swf' do
  sopen 'http://localhost:3000'
  run 'script/server'
end