decidim-budgets/app/commands/decidim/budgets/checkout.rb in decidim-0.0.4 vs decidim-budgets/app/commands/decidim/budgets/checkout.rb in decidim-0.0.5

@@ -17,18 +17,22 @@
       # - :ok when everything is valid.
       # - :invalid if the there is an error.
       #
       # Returns nothing.
       def call
-        return broadcast(:invalid) unless @order&.can_checkout?
-        checkout!
+        return broadcast(:invalid, @order) unless checkout!
         broadcast(:ok, @order)
       end
 
       private
 
       def checkout!
-        @order.update_attributes!(checked_out_at: Time.current)
+        return unless @order
+
+        @order.with_lock do
+          @order.checked_out_at = Time.current
+          @order.save
+        end
       end
     end
   end
 end