eraser_controller.rb

class EraserController < ApplicationController
  include ShopifyApp::WebhookVerification

  def customer
    params.permit!

    # We don't store Shopify customer info.

    head :ok
  end

  def shop
    params.permit!

    shop = Shop.find_by(shopify_domain: params[:shop_domain])
    shop.destroy

    head :ok
  end

  private

  def webhook_params
    params.except(:controller, :action, :type)
  end
end