resources_controller.rb

module Heroku
  class ResourcesController < ApplicationController
    def create
      if plan == Sandwich::BASE_PLAN # synchronous provisioning
        message = 'Thanks for using Sudo Sandwich. Your add-on is available for use immediately!'
        status = 200
        state = 'provisioned'
        payload = {
          config: {
            SUDO_SANDWICH_COMMAND: Sandwich::PLAN_CONFIG[plan],
          }
        }
      else # async provisioning
        message = 'Sudo Sandwich is being provisioned. It will be available shortly.'
        status = 202
        state = 'provisioning'
      end

      sandwich = create_sandwich(state)
      enqueue_token_exchange_job(sandwich)

      render(
        json: {
          id: heroku_uuid,
          message: message
        }.merge(payload || {}),
        status: status
      )
    end

    def update
      sandwich = Sandwich.find_by(heroku_uuid: params[:id])
      original_plan = sandwich.plan
      new_plan = params[:plan]
      sandwich.update!(plan: new_plan)

      render json: {
        config: {
          SUDO_SANDWICH_COMMAND: Sandwich::PLAN_CONFIG[new_plan]
        },
        message: "Successfully changed from #{original_plan} to #{new_plan}"
      }

    end

    def destroy
      Sandwich.find_by(heroku_uuid: params[:id]).destroy!
      render status: 204
    end

    private

    def create_sandwich(state)
      Sandwich.create!(
        heroku_uuid: heroku_uuid,
        oauth_grant_code: oauth_grant_code,
        plan: plan,
        state: state,
      )
    end

    def enqueue_token_exchange_job(sandwich)
      ExchangeGrantTokenJob.perform_later(sandwich_id: sandwich.id)
    end

    def heroku_uuid
      params[:uuid]
    end

    def oauth_grant_code
      params[:oauth_grant][:code]
    end

    def plan
      params[:plan]
    end
  end
end