converting from our connect_controllers style to needs

gistfile1.txt

#!/usr/env ruby

require 'rubygems'
require 'active_support'
require 'active_support/core_ext/string'

cc_map = {
  page: ['feedEntries', 'mediaWell', 'videosWell', 'crowdPicsImages', 'user', 'videos'],
  cover: ['yapp'],
  pageEdit: ['page'],
  coverEdit: ['cover'],
  subpageEdit: ['yapp', 'subpage', 'page'],
  more: ['yapp'],
  feeds: ['page'],
  feedEntries: ['feeds', 'page'],
  crowdPicsImages: ['page', 'crowdPicsWell', 'user'],
  videos: ['page'],
  belowPageEditorProgress: ['page'],
  pageTabBar: ['yapp', 'page'],
  subpageTabBar: ['yapp', 'page'],
  moreTabBar: ['yapp', 'page'],
  pageTitleBar: ['page'],
  pageEditTitleBar: ['page', 'pageEdit'],
  coverEditTitleBar: ['cover', 'coverEdit'],
  subpageTitleBar: ['subpage'],
  subpageEditTitleBar: ['subpage', 'subpageEdit'],
  pageControls: ['page', 'cover', 'coverEdit'],
  saveReminder: ['user', 'authPopup']
}

def filename(controller_name)
  filename = "app/lib/controllers/#{controller_name.to_s.underscore}.coffee"
  if controller_name =~ /TitleBar/
    filename = "app/lib/controllers/title_bar.coffee"
  end
  if controller_name =~ /TabBar/
    filename = "app/lib/controllers/tab_bar.coffee"
  end
  filename
end

def add_needs_line(lines, controller_name, needs_controller_names)
  class_name = 'Editor.' + controller_name.to_s.camelize + 'Controller'
  line = lines.detect do |line|
    line =~ /#{class_name}/
  end
  class_line_index = lines.index(line)
  needs_line = "  needs: #{needs_controller_names.inspect}"
  lines.insert(class_line_index + 1, needs_line)
end

def rewrite_controller_property_line(lines, needs_controller_name)
  line = lines.detect do |line|
    line =~ /^\s+#{needs_controller_name}Controller:/
  end
  line.replace("  #{needs_controller_name}Controller: Em.computed.alias('controllers.#{needs_controller_name}')")
end

cc_map.keys.each do |controller_name|
  puts "Processing #{controller_name}..."
  needs_controller_names = cc_map[controller_name]
  path = filename(controller_name)
  exists = File.exist?(path)
  if !exists
    puts controller_name.to_s + ': ' + path + ' ' + (exists ? 'Y' : 'x')
  end
  lines = File.read(path).split("\n")
  add_needs_line(lines, controller_name, needs_controller_names)
  needs_controller_names.each do |needs_controller_name|
    rewrite_controller_property_line(lines, needs_controller_name)
  end
  File.open(path, 'w') do |f|
    f.write(lines.join("\n"))
  end
end