vendor/rails/actionpack/examples/address_book_controller.rb

   1 $:.unshift(File.dirname(__FILE__) + "/../lib")
   2
   3 require "action_controller"
   4 require "action_controller/test_process"
   5
   6 Person = Struct.new("Person", :id, :name, :email_address, :phone_number)
   7
   8 class AddressBookService
   9   attr_reader :people
  10
  11   def initialize()          @people = [] end
  12   def create_person(data)   people.unshift(Person.new(next_person_id, data["name"], data["email_address"], data["phone_number"])) end
  13   def find_person(topic_id) people.select { |person| person.id == person.to_i }.first end
  14   def next_person_id()      people.first.id + 1 end
  15 end
  16
  17 class AddressBookController < ActionController::Base
  18   layout "address_book/layout"
  19
  20   before_filter :initialize_session_storage
  21
  22   # Could also have used a proc
  23   # before_filter proc { |c| c.instance_variable_set("@address_book", c.session["address_book"] ||= AddressBookService.new) }
  24
  25   def index
  26     @title  = "Address Book"
  27     @people = @address_book.people
  28   end
  29
  30   def person
  31     @person = @address_book.find_person(params[:id])
  32   end
  33
  34   def create_person
  35     @address_book.create_person(params[:person])
  36     redirect_to :action => "index"
  37   end
  38
  39   private
  40     def initialize_session_storage
  41       @address_book = @session["address_book"] ||= AddressBookService.new
  42     end
  43 end
  44
  45 ActionController::Base.view_paths = [ File.dirname(__FILE__) ]
  46 # ActionController::Base.logger = Logger.new("debug.log") # Remove first comment to turn on logging in current dir
  47
  48 begin
  49   AddressBookController.process_cgi(CGI.new) if $0 == __FILE__
  50 rescue => e
  51   CGI.new.out { "#{e.class}: #{e.message}" }
  52 end