Change the syntax to fit ruby 2.3

lib/shotengai/order.rb

@@ -40,18 +40,21 @@ module Shotengai
       state :unpaid, initial: true
       state :paid, :delivering, :received, :canceled, :evaluated
       
-      event :pay, before: [:fill_snapshot, :set_pay_time] { 
+      event :pay, before: [:fill_snapshot, :set_pay_time] do
         transitions from: :unpaid, to: :paid 
-      }
-      event :cancel { 
+      end
+
+      event :cancel do
         transitions from: :unpaid, to: :canceled 
-      }
-      event :send_out, after: :set_delivery_time { 
+      end
+
+      event :send_out, after: :set_delivery_time do 
         transitions from: :paid, to: :delivering 
-      }
-      event :get_it, after: :set_receipt_time { 
+      end
+      
+      event :get_it, after: :set_receipt_time do
         transitions from: :delivering, to: :received 
-      }
+      end
       # event :evaluate { 
       #   transitions from: :received, to: :evaluated 
       # }

lib/shotengai/product.rb

@@ -38,9 +38,17 @@ module Shotengai
       state :no_on, initial: true
       state :on_sale, :deleted
 
-      event :put_on_shelf { transitions from: :no_on, to: :on_sale }
-      event :sold_out { transitions from: :on_sale, to: :no_on }
-      event :soft_delete { transitions from: [:on_sale, :no_on], to: :deleted }
+      event :put_on_shelf do
+        transitions from: :no_on, to: :on_sale 
+      end
+      
+      event :sold_out do
+        transitions from: :on_sale, to: :no_on 
+      end
+      
+      event :soft_delete do
+        transitions from: [:on_sale, :no_on], to: :deleted 
+      end
     end
 
     def status_zh