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in _form.html.erb

<%= error_messages_for @books %>
<p>Name of book: <%= text_field :name, :size =>"40" %></p> 
<p><%= "&nbsp;" * 13 %>Author: <%= select :author_id, :collection => Author.all.map {|u| [u.id, full_name(u.first_name, u.last_name)]} %>
<p><%= "&nbsp;" * 5 %>Description: <%= text_area :description, :cols => "40", :rows => "2", :wrap => "SOFT" %></p> 
<p><%= "&nbsp;" * 17 %>Price: <%= text_field :price, :size => "7" %></p> 

migane

[518] Mercredi 17/12/2008 08:07:04 CET +0100
[RubyLearning/Merb/ruby_bookshop
$ merb
Loading init file from /PortefeuillePartage/Ruby/RubyLearning/Merb/ruby_bookshop/config/init.rb
Loading /PortefeuillePartage/Ruby/RubyLearning/Merb/ruby_bookshop/config/environments/development.rb
 ~ Connecting to database...
 ~ Loaded slice 'MerbAuthSlicePassword' ...
 ~ Parent pid: 4178
 ~ Compiling routes...
 ~ Activating slice 'MerbAuthSlicePassword' ...

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rake db:automigrate
(in /PortefeuillePartage/Ruby/RubyLearning/Merb/ruby_bookshop)
Loading init file from /PortefeuillePartage/Ruby/RubyLearning/Merb/ruby_bookshop/config/init.rb
Loading /PortefeuillePartage/Ruby/RubyLearning/Merb/ruby_bookshop/config/environments/development.rb
Loading init file from /PortefeuillePartage/Ruby/RubyLearning/Merb/ruby_bookshop/config/init.rb
Loading /PortefeuillePartage/Ruby/RubyLearning/Merb/ruby_bookshop/config/environments/rake.rb
rake aborted!
default store already setup
/PortefeuillePartage/Ruby/RubyLearning/Merb/ruby_bookshop/rakefile:24
(See full trace by running task with --trace)

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# Main file string_reverse.rb


require 'sinatra'

helpers do
  def concatenate_strings(string1, string2)
    string1 + string2
  end

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# Main file string_reverse.rb


require 'sinatra'

helpers do
  def concatenate_strings(string1, string2)
    string1 + string2
  end

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# input_number.rb
def input_response(n)
  answer = ""
  if n > 0
    answer = "positive"
  elsif  n < 0
    answer = "negative"
   else n == 0
     answer = "zero"
   end

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#my_rack_mtd.rb

require 'rack'
error = false

def check_argument
  if (ARGV.length < 1 || ARGV.length > 1 || ARGV[0].split(" ").size < 2)
    error = true
  end
  return error

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#my_rack_mtd1.rb
# Revisited version

require 'rack'

def reverse_word_order(env)
  if (ARGV.length < 1 || ARGV.length > 1 || ARGV[0].split(" ").size < 2)
        [400, {}, ["Enter one sentence with at least two words to reverse the sentence"]]
  else
        [200, {}, [ARGV[0].split(" ").reverse.join(" ")]]

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# config.ru
require './my_app_bis.rb'
run MyAppBis.new

# my_app_bis.rb
class MyAppBis

  def initialize()
    @str = "Is not rackup fun, is it?"
  end

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# my_app_ter.ru

use Rack::MethodOverride

map '/' do
  form = <<-HERE
  <form action="/reverse_word" method="post">
  <input name="_method" type="hidden" value="put" />
  <input name="sentence" type="text" value="" />
  <input type="submit" value="Reverse the words order">