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Rails のルーティング

ルーティングを追加するとき、毎回調べているので少しずつまとめていこうかと思います。 等価な書き方が色々あるので絶対これというわけではありません。

scope

URI Pattern にのみ追加されます。

Rails.application.routes.draw do
  scope :user do
    resources :profile
  end
end
➜  sample git:(master) ✗ be rake routes
       Prefix Verb   URI Pattern                      Controller#Action
profile_index GET    /user/profile(.:format)          profile#index
              POST   /user/profile(.:format)          profile#create
  new_profile GET    /user/profile/new(.:format)      profile#new
 edit_profile GET    /user/profile/:id/edit(.:format) profile#edit
      profile GET    /user/profile/:id(.:format)      profile#show
              PATCH  /user/profile/:id(.:format)      profile#update
              PUT    /user/profile/:id(.:format)      profile#update
              DELETE /user/profile/:id(.:format)      profile#destroy

scope module:

Controller#Action にのみ追加されます。

Rails.application.routes.draw do
  scope module: :user do
    resources :profile
  end
end
➜  sample git:(master) ✗ be rake routes
       Prefix Verb   URI Pattern                 Controller#Action
profile_index GET    /profile(.:format)          user/profile#index
              POST   /profile(.:format)          user/profile#create
  new_profile GET    /profile/new(.:format)      user/profile#new
 edit_profile GET    /profile/:id/edit(.:format) user/profile#edit
      profile GET    /profile/:id(.:format)      user/profile#show
              PATCH  /profile/:id(.:format)      user/profile#update
              PUT    /profile/:id(.:format)      user/profile#update
              DELETE /profile/:id(.:format)      user/profile#destroy

scope as:

Prefix にのみ追加されます。

Rails.application.routes.draw do
  scope as: :user do
    resources :profile
  end
end
➜  sample git:(master) ✗ be rake routes
            Prefix Verb   URI Pattern                 Controller#Action
user_profile_index GET    /profile(.:format)          profile#index
                   POST   /profile(.:format)          profile#create
  new_user_profile GET    /profile/new(.:format)      profile#new
 edit_user_profile GET    /profile/:id/edit(.:format) profile#edit
      user_profile GET    /profile/:id(.:format)      profile#show
                   PATCH  /profile/:id(.:format)      profile#update
                   PUT    /profile/:id(.:format)      profile#update
                   DELETE /profile/:id(.:format)      profile#destroy

scope と module: と as:

Prefix と URI Pattern と Controller#Action 全てに追加されます。

Rails.application.routes.draw do
  scope :user, module: :user, as: :user do
    resources :profile
  end
end
➜  sample git:(master) ✗ be rake routes
            Prefix Verb   URI Pattern                      Controller#Action
user_profile_index GET    /user/profile(.:format)          user/profile#index
                   POST   /user/profile(.:format)          user/profile#create
  new_user_profile GET    /user/profile/new(.:format)      user/profile#new
 edit_user_profile GET    /user/profile/:id/edit(.:format) user/profile#edit
      user_profile GET    /user/profile/:id(.:format)      user/profile#show
                   PATCH  /user/profile/:id(.:format)      user/profile#update
                   PUT    /user/profile/:id(.:format)      user/profile#update
                   DELETE /user/profile/:id(.:format)      user/profile#destroy

namespace

Prefix と URI Pattern と Controller#Action 全てに追加されます。
( scope と module: と as: ) と同じ結果になります。

Rails.application.routes.draw do
  namespace :user do
    resources :profile
  end
end
➜  sample git:(master) ✗ be rake routes
            Prefix Verb   URI Pattern                      Controller#Action
user_profile_index GET    /user/profile(.:format)          user/profile#index
                   POST   /user/profile(.:format)          user/profile#create
  new_user_profile GET    /user/profile/new(.:format)      user/profile#new
 edit_user_profile GET    /user/profile/:id/edit(.:format) user/profile#edit
      user_profile GET    /user/profile/:id(.:format)      user/profile#show
                   PATCH  /user/profile/:id(.:format)      user/profile#update
                   PUT    /user/profile/:id(.:format)      user/profile#update
                   DELETE /user/profile/:id(.:format)      user/profile#destroy