infer response_field description from name + scope

lib/rspec_api_documentation/dsl/resource.rb

@@ -39,14 +39,11 @@ def callback(*args, &block)
       end
 
       def parameter(name, *args)
-        options = args.extract_options!
-        description = args.pop || "#{Array(options[:scope]).join(" ")} #{name}".humanize
-
-        parameters.push(options.merge(:name => name.to_s, :description => description))
+        parameters.push(field_specification(name, *args))
       end
 
-      def response_field(name, description, options = {})
-        response_fields.push(options.merge(:name => name.to_s, :description => description))
+      def response_field(name, *args)
+        response_fields.push(field_specification(name, *args))
       end
 
       def header(name, value)
@@ -55,6 +52,13 @@ def header(name, value)
 
       private
 
+      def field_specification(name, *args)
+        options = args.extract_options!
+        description = args.pop || "#{Array(options[:scope]).join(" ")} #{name}".humanize
+
+        options.merge(:name => name.to_s, :description => description)
+      end
+
       def safe_metadata(field, default)
         metadata[field] ||= default
         if superclass_metadata && metadata[field].equal?(superclass_metadata[field])

spec/dsl_spec.rb

@@ -62,6 +62,7 @@
     response_field :type, "The type of drink you ordered.", :scope => :order
     response_field :size, "The size of drink you ordered.", :scope => :order
     response_field :note, "Any additional notes about your order.", :scope => :order
+    response_field :name, :scope => :order
     response_field :id, "The order id"
 
     let(:type) { "coffee" }
@@ -87,6 +88,7 @@
             { :name => "type", :description => "The type of drink you ordered.", :scope => :order },
             { :name => "size", :description => "The size of drink you ordered.", :scope => :order },
             { :name => "note", :description => "Any additional notes about your order.", :scope => :order },
+            { :name => "name", :description => "Order name", :scope => :order },
             { :name => "id", :description => "The order id" },
           ]
         )