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- 2.1.0
- 2.2.1
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- 3.0.9
- 3.1.0
- 3.2.1
- 3.2.8
- 3.2.13
- 4.0.2
- 4.1.8 (0)
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- 4.2.9 (0)
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- 6.1.3.1
- 6.1.7.7
- 7.0.0
- 7.1.3.2
- 7.1.3.4
- What's this?
Resource routing allows you to quickly declare all of the common routes for a given resourceful controller. Instead of declaring separate routes for your index, show, new, edit, create, update and destroy actions, a resourceful route declares them in a single line of code:
resources :photos
Sometimes, you have a resource that clients always look up without referencing an ID. A common example, /profile always shows the profile of the currently logged in user. In this case, you can use a singular resource to map /profile (rather than /profile/:id) to the show action.
resource :profile
It’s common to have resources that are logically children of other resources:
resources :magazines do resources :ads end
You may wish to organize groups of controllers under a namespace. Most commonly, you might group a number of administrative controllers under an admin namespace. You would place these controllers under the app/controllers/admin directory, and you can group them together in your router:
namespace "admin" do resources :posts, :comments end
By default the :id parameter doesn’t accept dots. If you need to use dots as part of the :id parameter add a constraint which overrides this restriction, e.g:
resources :articles, id: /[^\/]+/
This allows any character other than a slash as part of your :id.
Constants
CANONICAL_ACTIONS = %w(index create new show update destroy)
RESOURCE_OPTIONS = [:as, :controller, :path, :only, :except, :param, :concerns]
VALID_ON_OPTIONS = [:new, :collection, :member]