Merge pull request #98 from plainlystated/is_supply_and_update_variat…

…ions

add is_supply field to listing & add the ability to update variations

lib/etsy/listing.rb

@@ -174,6 +174,12 @@ def add_variations(options)
       self.class.post("/listings/#{id}/variations", options)
     end
 
+    def update_variations(options)
+      options[:variations] = JSON.dump(options.delete(:variations))
+      options[:require_secure] = true
+      self.class.put("/listings/#{id}/variations", options)
+    end
+
     def black_and_white?
       is_black_and_white
     end
@@ -211,6 +217,10 @@ def admirers(options = {})
       (user_ids.size > 0) ? Array(Etsy::User.find(user_ids, options)) : []
     end
 
+    def is_supply
+      !!@result.fetch("is_supply")
+    end
+
     private
 
     def self.valid?(state)