gem 'grape-pagy'

class MyApi < Grape::API
  # Include helpers in your API.
  helpers Grape::Pagy::Helpers

  resource :posts do
    desc 'Return a list of posts.'
    params do
      # This will add two optional params: :page and :items.
      use :pagy
    end
    get do
      posts = Post.all.order(created_at: :desc)
      pagy(posts)
    end
  end

  resource :strings do
    desc 'Supports arrays as well as relations.'
    params do
      # Override defaults by setting Pagy::DEFAULT or by passing options.
      use :pagy,
          items_param: :per_page, # Accept per_page=N param to limit items.
          items: 2,               # If per_page param is blank, default to 2.
          max_items: 10           # Restrict per_page to maximum 10.
    end
    get do
      words = %w[this is a plain array of words]
      pagy(words)
    end
  end
end