Advanced Routing

Learning Goals

• Become familiar with the DSL within the routes.rb file
• Become familiar with the common path helpers and where to use them
• Review the 7 restful routes

Lesson

Use this video and the Rails guides on routing to answer some questions

To Do

• How can I create the 7 restful routes for a resource?
• What are the 7 restful routes?
• If my resource is authors, which controller will my routes map to?
• If my request is GET 'authors/4', which action in which controller will my route be mapped to? - How could I create a link to the above route using a path helper in my view?

Suppose I have this setup:

class Author < ApplicationRecord
  has_many :books
end

class Book < ApplicationRecord
  belongs_to :author
end

• If my request is GET 'authors/4/books/3' (nested resource), which action in which controller will my route be mapped to?
• How could I create a link to the above route using a path helper in my view?
• How deep should I nest routes?
• What are the advantages of using path helpers?
• How can I view all available path helpers within an application?
• How can I view all available routes for a specific controller?