Associations and Nested Routes

Question 1

When creating a model for a specific model that belongs to another model, what command can you run?

Answer 1

rails generate model Bone dinosaur:belongs_to

Question 2

Write the list of Active Record Associations List Methods

Answer 2

• has_one
• belongs_to
• has_many
  has_one :through
  has_many :through

Question 3

Write an example for a model named Bone and a model named Dinosaur, what to include inside the model of each. Where the Bone belongs to the Dinosaur. In your terminal what association method could you write to see what bones a dinosaur has?

Answer 3

Bone Model File:
belongs_to :dinosaur

Dinosaur Model File:
has_many :bones

dinosaur.bones

Question 4

Write an example of a Nested Resource where the Bone Model belongs to the Dinosaur.

Answer 4

resources :dinosaur, only[:new, :show] do
resources :bones, only[:new]
end

Question 5

What would the following nested resource
resources :dinosaurs, only [:index, :show] do
resources :bones, only [:show] do
end

Answer 5

get /dinosaurs/dinosaur_id/bone_id