Rails 3 Ropes Course: Gregg Pollack ppt

Rails 3 Ropes Course
Gregg Pollack
Nathaniel Bibler
Thomas Meeks
Jacob Swanner
Mark Kendall
Caike Souza
Tyler Hunt
Getting Started & Routes
Workshop - Lab #1
Bundler & ActionController
Workshop - Lab #2
ActionMailer
Workshop - Lab #3
ActiveRelation & ActiveModel
Workshop - Lab #4
XSS & UJS
Workshop - Lab #5
Rails 3 Ropes Course
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Rails::Initializer.run do |config|
end
config/environment.rb
configuration
Rails 2
config.load_paths += %W( #{RAILS_ROOT}/extras )

config.plugins = [ :exception_notification ]
config.time_zone = 'UTC'
config.gem "bj"
config.gem "sqlite3-ruby", :lib => "sqlite3"
config.gem "aws-s3", :lib => "aws/s3"
Gemfile
config/application.rb
configuration
Rails 3
config.load_paths += %W( #{RAILS_ROOT}/extras )
config.plugins = [ :exception_notification ]
config.time_zone = 'UTC'
Gemfile
module TestApp
class Application < Rails::Application
end
end
It’s a Rack Application
New Router API
Action Dispatch
Layouts
Logger
Callbacks
Renderer
url_for
http_auth
helpers
MimeResponds
Cookies
Session

http
routing
middleware
TestApp::Application.routes.draw do |map|
end
config/routes.rb
New Routing API
Rails 3
TestApp::Application.routes.draw do |map|
end
config/routes.rb
resources :postsmap.
New Routing API
Old routing syntax works
Rails 3
map.resources :posts do |post|
post.resources :comments
end
resources :posts do
resources :comments
end
New Routing API
Rails 2
Rails 3
post.resources :comments,
:member => { :preview => :post },
:collection => { :archived => :get }
resources :comments do
member do
post :preview

end

collection do
get :archived
end
end
resources :comments do
post :preview, :on => :member
get :archived, :on => :collection
end
Rails 2
Rails 3
Rails 3
New Routing API
map.connect 'login', :controller => 'session', :action => 'new'
match 'login' => 'session#new'
Rails 2
Rails 3
map.login 'login', :controller => 'session', :action => 'new'
match 'login' => 'session#new', :as => :login
Rails 2
Rails 3
Named Route
login_path
map.root :controller => 'users', :action => 'index'
Rails 2
Rails 3
root :to => 'users#index'
map.connect ':controller/:action/:id'
map.connect ':controller/:action/:id.:format'

Rails 2
Rails 3
match ':controller(/:action(/:id(.:format)))'
Legacy Route
(commented out by default)
Root Paths
map.connect '/articles/:year/:month/:day', :controller => 'posts', :action => 'index'
Rails 2
Rails 3
match '/articles/:year/:month/:day' => "posts#index"
Optional Parameters
map.connect '/articles/:year/:month/:day', :controller => 'posts', :action => 'index'
map.connect '/articles/:year/:month', :controller => 'posts', :action => 'index'
map.connect '/articles/:year', :controller => 'posts', :action => 'index'
Rails 2
Rails 3
match '/articles(/:year(/:month(/:day)))' => "posts#index"
map.connect '/articles/:year', :controller => 'posts', :action => 'index',
:conditions => {:method => :get}
Rails 2
Rails 3
match '/articles/:year' => "posts#index", :via => :get
Specifying the method
Rails 3
get '/articles/:year' => "posts#index"
Rails 3
match 'signin', :to => redirect("/login")
Redirection
match 'users/:name', :to => redirect {|params| "/#{params[:name]}" }
match 'google' => redirect(' />map.connect '/:year', :controller => 'posts', :action => 'index',

:requirements => { :year => /\d{4}/ }
Rails 2
Rails 3
match '/:year' => "posts#index", :constraints => {:year => /\d{4}/}
Constraints
:constraints => { :user_agent => /iphone/ }
:constraints => { :ip => /192\.168\.1\.\d{1,3}/ }
constraints(:host => /localhost/) do
resources :posts
end
constraints IpRestrictor do
get 'admin/accounts' => "queenbee#accounts"
end
Rails 3
get 'hello' => proc { |env| [200, {}, "Hello Rack"] }
Rack Goodness
get 'rack_endpoint' => PostsController.action(:index)
get 'rack_app' => CustomRackApp
o/routing.html
For more information
Getting Started & Routes
Tutorial - Lab #1
Follow the directions in the README
Getting Started & Routes
Workshop - Lab #1
Bundler & ActionController
Workshop - Lab #2
ActionMailer
Workshop - Lab #3
ActiveRelation & ActiveModel

Workshop - Lab #4
XSS & UJS
Workshop - Lab #5
Rails 3 Ropes Course
Dependency Management