shipping.rb in kosher-0.17.0

- old
+ new

@@ -1,10 +1,22 @@
 module Kosher
   class Shipping < Structure
+    key :available, default: true
     key :cents, Integer
     key :currency
+    key :fast, default: false
 
+    def available?
+      Boolean(available)
+    end
+
     def cost
       Money.new(cents, currency)
     end
+
+    def fast?
+      Boolean(fast)
+    end
+
+    alias kosher? available?
   end
 end