A Sample Ruby API Grape Framework Mock

grape-api-mock.rb

module Orders
  class API < Grape::API
    version 'v1', using: :header, vendor: 'invoate'
    format :json
    prefix :api

    helpers do
      def current_user
        @current_user ||= User.authorize!(env)
      end

      def authenticate! 
        error!('401 Unauthorized', 401) unless current_user
      end
    end

      desc 'Return an order by id.'
      params do
        requires :id, type: Integer, desc: 'Order ID'
      end
      route_param :id do
        get do
          Order.find(params[:id])
        end
      end

      desc 'Create an order.'
      params do
        requires :name, type: String, desc: 'Order Name'
      end
      post do
        authenticate!
        Order.create!({
          user: current_user, #we defined our current user in the helper which will allow access to our logged in user
          order_name: params[:name]
        })
      end

      desc 'Update an order.'
      params do
        requires :id, type: String, desc: 'Order ID'
        requires :name, type: String, desc: 'Order Name'
      end
      put ':id' do
        authenticate!
        current_user.orders.find(params[:id]).update({
          user: current_user,
          order_name: params[:name]
        })
      end

      desc 'Delete an order.'
      params do
        requires :id, type: String, desc: 'Order ID'
      end
      delete ':id' do
        authenticate! #make sure the user is authenticated before allowing delete
        current_user.orders.find(params[:id]).destroy
      end
    end
  end
end