aishek

# app/controllers/api/v1.rb

class Api::V1 < Grape::API
  format :json
  content_type :json, 'application/json; charset=utf-8'

  version 'v1'

  mount CitiesAPI
end

aishek

# app/controllers/api/v1/cities_api.rb

class Api::V1::CitiesAPI < Api::V1::BaseAPI
  resource :cities do
    params do
      optional :term, :type => String
    end

    get '/' do
      cities = ::City.ordered_by_name_asc

aishek

# app/controllers/api/v1/cities/places_api.rb
 
class Api::V1::Cities::PlacesAPI < Api::V1::BaseAPI
  namespace 'cities/:city_id' do
    resource :places do
      helpers ::Api::V1::CityHelper
 
      params do
        requires :city_id, :type => Integer
      end

aishek

# app/helpers/api/v1/city_helper.rb

module Api::V1::CityHelper
  def resource_city
    @resource_city ||= ::City.find(params[:city_id] || params[:id])
  end
end

aishek

# app/controllers/api/v1/base_api.rb

class Api::V1::BaseAPI < Grape::API
  class AccessDenied < ArgumentError; end
  class InvalidToken < ArgumentError; end

  Grape::Endpoint.class_eval do
    def abilities
      @abilities ||= Six.new
    end

aishek

# app/presenters/api/v1/base_entity.rb
module Api
  module V1
    module BaseEntity < Grape::Entity
      format_with(:unix_timestamp) { |dt| dt.to_time.to_i }
    end
  end
end

aishek

module Api
  module V1
    class StatusesAPI < Api::V1::BaseAPI
      get '/' do
        statuses = Status.all
        detailed_statuses = DetailedStatus.all
        
        present statuses, with: Api::V1::StatusEntity, type: :full
        present detailed_statuses, with: Api::V1::StatusDetailedEntity
      end

aishek

# app/controllers/api/v1.rb

class Api::V1 < Grape::API
  class Grape::Middleware::Error
    def error_message(code, text)
      {
        :error => {
          :code => code,
          :message => text
        }

aishek

# app/controllers/api/v1/games_api.rb

class Api::V1::GamesAPI < Api::V1::BaseAPI
  use ::Api::V1::Logger

  # ...
end

aishek

# config/application.rb

# ...

module Example
  class Application < Rails::Application
    # ...
    config.action_controller.default_url_options = { :trailing_slash => true }
    config.action_mailer.default_url_options = { :trailing_slash => true }
  end