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Présentation donnée lors du salon Solutions Linux 2011.Animée par Simon Courtois, Expert en Open Source
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1 WWW.LINAGORA.COMWWW.LINAGORA.COM
Les nouveautés de Rails 3Simon COURTOIS
Expert en [email protected]
2 /25
rails myapp
Rails 2
rails new myapp
Rails 3
./script/generate rails g
./script/console rails c
./script/server
./script/dbconsole
rails s
rails db
La commande rails
3 /25
• --skip-activerecord, -O
• --skip-test-unit, -T
• --skip-prototype, -J
• --skip-git, -G ???
.bundledb/*.sqlite3log/*.logtmp/
.gitignore
La commande rails
4 /25
Rails::Initializer.run do |config| ... config.gem 'haml' config.gem 'coderay', :version => '~>0.9.7' ...end
Rails 2
Rails 3source 'http://rubygems.org'gem 'rails', '3.0.6'gem 'haml'gem 'coderay', '~> 0.9.7'group :development, :test do gem 'cucumber-rails'end
Gemfile
config/environment.rb
bundle install
Bundler
5 /25
ActiveRelation
@articles = Article.find(:all, :conditions => {:published => true})
@articles = Article.where(:published => true)
➡ requête immédiate➡ retourne un tableau d’articles
➡ pas de requête➡ retourne un objet ActiveRecord::Relation
Rails 2
Rails 3
6 /25
ActiveRelation
@articles = Article.where(:published => true)
if params[:order] @articles = @articles.order(params[:order])end
@articles.each do |article| ...end
requête effectuée
7 /25
ActiveRelation
@articles = Article.where(:published => true)
@articles = @articles.order(params[:order])
@articles.each do |article| ...end
8 /25
ActiveRelation
@articles = Article.where(:published => true).order(params[:order])
@articles.each do |article| ...end
9 /25
ActiveRelation
articles = Article.order(params[:order])
@published = articles.where(:published => true)@unpublished = articles.where(:published => false)
10/25
ActiveRelation
@published = articles.published@unpublished = articles.unpublished
class Article < ActiveRecord::Base named_scope :published, :conditions => {:published => true} named_scope :unpublished, :conditions => {:published => false}end
class Article < ActiveRecord::Base scope :published, where(:published => true) scope :unpublished, where(:published => false)end
Rails 2
Rails 3
11/25
ActiveRelation
where(:conditions)
having(:conditions)
select
group
order
limit
offset
joins
includes(:include)
lock
readonly
from
all
first
last
12/25
ActiveRelation
Article.find(:all, :conditions => {:author => “Bob”}, :includes => :comments, :order => “title”, :limit => 10)
Rails 2
Article.where(:author => “Bob”).includes(:comments).order(“title”).limit(10).all
Rails 3
13/25
ActiveController
class ArticlesController < ApplicationController def index @users = User.all
respond_to do |format| format.html format.xml { render :xml => @users.to_xml } end end
def show @user = User.find(params[:id])
respond_to do |format| format.html format.xml { render :xml => @user } end endend
class ArticlesController < Applic... respond_to :html, :xml
def index @users = User.all respond_with(@users) end
def show @user = User.find(params[:id]) respond_with(@user) endend
Rails 2 Rails 3
flash[:notice] = “Article created”redirect_to @article
redirect_to @article, :notice => “Article created”
14/25
Le routing
ActionController::Routing::Routes.draw do |map| map.resources :articlesend
Myapp::Application.routes.draw do |map| resources :articlesend
Rails 2 Rails 3
15/25
Le routing
ActionController::Routing::Routes.draw do |map| map.resources :articles, :member => { :preview => :post }, :collection => { :archived => :get }end
Myapp::Application.routes.draw do |map| resources :articles do member do post :preview end
collection do get :archived end endend
Rails 2 Rails 3
Myapp::Application.routes.draw do |map| resources :articles do post :preview, :on => :member get :archived, :on => :collection endend
16/25
Le routing
ActionController::Routing::Routes.draw do |map| map.resources :articles do |article| article.resources :comments endend
Myapp::Application.routes.draw do |map| resources :articles do resources :comments endend
Rails 2 Rails 3
ActionController::Routing::Routes.draw do |map| map.connect “login”, :controller => “session”, :action => “new”end
Myapp::Application.routes.draw do |map| match “login” => “session#new”end
17/25
Le routing
ActionController::Routing::Routes.draw do |map| map.login “login”, :controller => “session”, :action => “new”end
Myapp::Application.routes.draw do |map| match “login” => “session#new”, :as => :loginend
Rails 2 Rails 3
ActionController::Routing::Routes.draw do |map| map.root :controller => “articles”, :action => “index”end
Myapp::Application.routes.draw do |map| root :to => “users#index”end
ActionController::Routing::Routes.draw do |map| map.connect “:controller/:action/:id” map.connect “:controller/:action/:id.:format”end
Myapp::Application.routes.draw do |map| match “:controller(/:action(/:id(.:format)))”end
18/25
Le routing
Myapp::Application.routes.draw do |map| match “/articles(/:year(/:month(/:day)))” => “articles#index”end
Rails 2
Rails 3
ActionController::Routing::Routes.draw do |map| map.connect ‘/articles/:year/:month/:day’, :controller => “articles”, :action => “index” map.connect ‘/articles/:year/:month’, :controller => “articles”, :action => “index” map.connect ‘/articles/:year’, :controller => “articles”, :action => “index”end
19/25
Le routing
Myapp::Application.routes.draw do |map| match “/articles/:year” => “articles#index”, :via => :getend
Rails 2
Rails 3
ActionController::Routing::Routes.draw do |map| map.connect ‘/articles/:year’, :controller => “articles”, :action => “index”, :conditions => { :method => :get }end
Myapp::Application.routes.draw do |map| get “/articles/:year” => “articles#index”end
20/25
Le routing
Myapp::Application.routes.draw do |map| match “signin”, :to => redirect(“/login”) match “linagora”, :to => redirect(“http://www.linagora.com”)end
Rails 3
Myapp::Application.routes.draw do |map| get “hello” => proc { |env| [200, {}, “Hello World !”] } get “rack_app” => MyCoolRackApp end
RAILS_ROOT/lib/my_cool_rack_app.rb
21/25
XSS et Unobstrusive JS
<%= @article.title %> # Non sécurisé
<%=h @article.title %> # Sécurisé
<%= @article.title %> # Sécurisé
<%=raw @article.title %> # Non sécurisé
Rails 2 Rails 3
<%= link_to_remote “Show”, :url => @article %> <%= link_to “Show”, :remote => true %>
<a href=”#” onclick=”new Ajax.Request(‘/articles/1’,{asynchronous:true,evalScripts:true,parameters:‘authenticity_token=’+encodeURIComponent(‘A9s...3cf’)}); return false;”>Show</a>
<a href=”/articles/1” data-remote=”true”>Show</a>
<% remote_form_for(@article) do |f| %> <%= form_for(@article, :remote => true) do |f| %>
<form action=”/articles” class=”new_post” id=”new_post” method=”post” onSubmit=”new Ajax.Request(‘/articles’, {asynchronous:true,evalScripts:true,parameters:Form.serialize(this)}); return false;”>
<form action=”/articles” class=”new_post” id=”new_post” method=”post” data-remote=”true”>
22/25
XSS et Unobstrusive JS
<%= link_to “Delete”, @article, :method => :delete %>
Rails 2
Rails 3
<a href="#" title="Delete" onclick="var f = document.createElement('form'); f.style.display = 'none'; this.parentNode.appendChild(f); f.method = 'POST'; f.action = this.href;var s = document.createElement('input'); s.setAttribute('type', 'hidden'); s.setAttribute('name', 'authenticity_token'); s.setAttribute('value', 'XXX...XXX'); f.appendChild(s);f.submit(); return false;">Delete</a>
<a href=”/articles/1” data-method=”delete” rel=”nofollow”>Delete</a>
23/25
XSS et Unobstrusive JS
<%= link_to “Delete”, @article, :method => :delete, :confirm => “Are you sure ?” %>
Rails 2
Rails 3
<a href="#" title="Delete" onclick="if (confirm(“Are you sure ?”)){var f = document.createElement('form'); f.style.display = 'none'; this.parentNode.appendChild(f); f.method = 'POST'; f.action = this.href;var s = document.createElement('input'); s.setAttribute('type', 'hidden'); s.setAttribute('name', 'authenticity_token'); s.setAttribute('value', 'XXX...XXX'); f.appendChild(s);f.submit();} return false;">Delete</a>
<a href=”/articles/1” data-method=”delete” data-confirm=”Are you sure ?” rel=”nofollow”>Delete</a>
24/25
Prochaine étape
Rails 3.1
• jQuery
• CoffeeScript
• Sass
25/25
Prochaine étape
Rails 3.1
• jQuery
• CoffeeScript
• Sass
number = 42 if true
square = (x) -> x * x
alert "Hello" if number?
list = [1, 2, 3, 4]
squares = (square num for num in list)
var number, square, list, squares, num;
if (true) { number = 42;}square = function(x) { return x * x;};if (typeof number !== "undefined" && number !== null) { alert("Hello");}squares = (function() { var _i, _len, _results; _results = []; for (_i = 0, _len = list.length; _i < _len; _i++) { num = list[_i]; _results.push(square(num)); } return _results;})();
26/25
Prochaine étape
Rails 3.1
• jQuery
• CoffeeScript
• Sass
table.hl margin: 2em 0 td.ln text-align: right
li font: family: serif weight: bold size: 1.2em
table.hl { margin: 2em 0;}table.hl td.ln { text-align: right;}
li { font-family: serif; font-weight: bold; font-size: 1.2em;}
27/25
Prochaine étape
Rails 3.1
• jQuery
• CoffeeScript
• Sass
table.hl margin: 2em 0 td.ln text-align: right
li font: family: serif weight: bold size: 1.2em
table.hl { margin: 2em 0;}table.hl td.ln { text-align: right;}
li { font-family: serif; font-weight: bold; font-size: 1.2em;}
28 WWW.LINAGORA.COMWWW.LINAGORA.COM
Merci de votre attention
Contact :LINAGORA - Siège social
80, rue Roque de Fillol92800 PUTEAUX
FRANCETél. : 0 810 251 251 (tarif local)
Fax : +33 (0)1 46 96 63 64Mail : [email protected] : www.linagora.com
