Nested routes in Ruby on Rails - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a nested route for comments inside posts.

Ruby on Rails

resources :posts do
  [1] :comments
end

Drag options to blanks, or click blank then click option'

Aresources

Bresource

Cmember

Dcollection

Attempts:

3 left

💡 Hint

Common Mistakes

Using resource instead of resources for nested routes.

Using member or collection which are for different purposes.

Use resources to define nested routes for multiple comments under posts.

2fill in blank

medium

Complete the code to add a nested route for reviews inside products with only the index action.

Ruby on Rails

resources :products do
  resources :reviews, only: [:[1]]
end

Drag options to blanks, or click blank then click option'

Acreate

Bshow

Cindex, :show

Dindex

Attempts:

3 left

💡 Hint

Common Mistakes

Putting multiple actions as a single string instead of an array.

Using actions not allowed by the only option.

The only option expects an array of symbols. Here, [:index] limits routes to the index action only.

3fill in blank

hard

Fix the error in the nested route to correctly nest photos inside galleries.

Ruby on Rails

resources :galleries do
  [1] :photos
end

Drag options to blanks, or click blank then click option'

Amember

Bresources

Cresource

Dcollection

Attempts:

3 left

💡 Hint

Common Mistakes

Using resource which creates singular routes.

Using member or collection incorrectly.

Use resources to nest multiple photos inside galleries. resource is for singular resources.

4fill in blank

hard

Fill both blanks to create nested routes for chapters inside books with only show and index actions.

Ruby on Rails

resources :books do
  resources :chapters, only: [:[1], :[2]]
end

Drag options to blanks, or click blank then click option'

Ashow

Bindex

Cedit

Dnew

Attempts:

3 left

💡 Hint

Common Mistakes

Using actions like edit or new which are not requested.

Mixing up the order of actions.

The nested chapters routes are limited to index and show actions using the only option.

5fill in blank

hard

Fill all three blanks to define nested routes for comments inside articles with only create, destroy, and update actions.

Ruby on Rails

resources :articles do
  resources :comments, only: [:[1], :[2], :[3]]
end

Drag options to blanks, or click blank then click option'

Acreate

Bdestroy

Cupdate

Dshow

Attempts:

3 left

💡 Hint

Common Mistakes

Including show when it is not requested.

Missing the update action.

The nested comments routes are limited to create, destroy, and update actions using the only option.