add webhooks for orders

app/controllers/webhooks_controller.rb

@@ -1,5 +1,5 @@
 class WebhooksController < ApplicationController
-  skip_before_action :verify_authenticity_token, only: [:product_updated]
+  skip_before_action :verify_authenticity_token, only: %i[product_updated order_cancelled]
 
   def product_updated
     data = JSON.parse(request.body.read)
@@ -18,6 +18,19 @@ def product_updated
     end
   end
 
+  def order_cancelled
+    data = JSON.parse(request.body.read)
+    order_id = data['id']
+    @order = Order.find_by(shopify_id: order_id)
+
+    if @order.present?
+      CanceledOrder.create(order: @order)
+      redirect_to orders_path
+    else
+      redirect_to @order, alert: 'Error while canceling the order'
+    end
+  end
+
   private
 
   def assign_product_attributes(data)

config/routes.rb

@@ -4,6 +4,7 @@
   get '/auth/callback', to: 'shopify_auth#callback'
   get '/import_shopify_data', to: 'shopify_import#import'
   post '/webhooks/shopify/product_updated', to: 'webhooks#product_updated'
+  post '/webhooks/shopify/order_cancelled', to: 'webhooks#order_cancelled'
   resources :orders do
     member do
       post :cancel