[Rails] 2系と3系のルーティング（Routing）の違い

2011 11/4
カテゴリー : Ruby on Rails
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Ruby on Railsの 2系と3系のRoutingの違いを調べたのでメモ。

Simple routes

# Rails 2:
map.connect 'hello_world', :controller => 'posts', :action => 'index'
 
# Rails 3:
match 'hello_world' => 'posts#index'

Resources

# Rails 2:
map.resources :users
 
# Rails 3:
resources :users

# Rails 2
map.resources :games, :member => { :download => :get }, :collection => { :favourites => :get }
 
# Rails 3
resources :games do
  get :download,   :on => :member
  get :favourites, :on => :collection
end

# Rails 3
resources :games do
  member do
    get :download
  end
 
  collection do
    get :favourites
  end
end

Root mappings

# Rails 2
map.root :controller => 'posts', :action => 'index'
 
# Rails 3
root :to => 'posts#index'

# Rails 2
map.namespace :admin do |admin|
  admin.root :controller => 'posts'
end
 
# Rails 3
namespace :admin do
  root :to => "admin/posts#index"
end

Optional params

# Rails 2
map.connect 'posts/:year/:month', :controller => 'posts',
            :month => nil, :requirements => { :year => /\d{4}/ }
 
# Rails 3
match 'posts/:year(/:month)' => 'posts#index', :constraints => { :year => /\d{4}/ }