(feat) set order reference after create order

app/models/order.rb

@@ -17,6 +17,7 @@ class Order < PaymentDocument
   validates :token, :state, presence: true
 
   before_create :add_environment
+  after_create :update_reference
 
   delegate :user, to: :statistic_profile
 

app/services/payments/payment_concern.rb

@@ -35,7 +35,6 @@ module Payments::PaymentConcern
       order.order_items.each do |item|
         ProductService.update_stock(item.orderable, 'external', 'sold', -item.quantity, item.id)
       end
-      order.reference = order.generate_reference
       order.save
       order.reload
     end