prevent order append to previous sale

app/models/order.rb

@@ -57,13 +57,12 @@ class Order < ApplicationRecord
       if self.is_extra_time
         if !booking.checkout_at.nil?
           new_time = booking.checkout_at + self.extra_time.to_i
-          booking.update_attributes(checkout_at: new_time)
+          booking.update(checkout_at: new_time)
         end
       end
       #end extra time
     end
 
-    booking.save!
     self.default_values
 
     #  cashier already opened?
@@ -211,7 +210,6 @@ class Order < ApplicationRecord
       self.customer = Customer.find(1) if self.customer_id.nil?
       self.source = "emenu" if self.source.nil?
       self.order_type = "dine-in" if self.order_type.nil?
-
   end
 
   protected