Adds :serializable option to .represent. Closes #7

lib/grape_entity/entity.rb

@@ -288,10 +288,12 @@ def self.root(plural, singular=nil)
     #   entity. Pass nil or false to represent the object or objects with no
     #   root name even if one is defined for the entity.
     def self.represent(objects, options = {})
-      inner = if objects.respond_to?(:to_ary)
-        objects.to_ary().map{|o| self.new(o, {:collection => true}.merge(options))}
+      if objects.respond_to?(:to_ary)
+        inner = objects.to_ary().map{|o| self.new(o, {:collection => true}.merge(options))}
+        inner = inner.map(&:serializable_hash) if options[:serializable]
       else
-        self.new(objects, options)
+        inner = self.new(objects, options)
+        inner = inner.serializable_hash if options[:serializable]
       end
 
       root_element = if options.has_key?(:root)

spec/grape_entity/entity_spec.rb

@@ -159,6 +159,18 @@
         representation = subject.represent(4.times.map{Object.new})
         representation.each{|r| r.options[:collection].should be_true}
       end
+
+      it 'returns a serialized hash of a single object if :serializable => true' do
+        subject.expose(:awesome){ true }
+        representation = subject.represent(Object.new, :serializable => true)
+        representation.should == {awesome: true}
+      end
+
+      it 'returns a serialized array of hashes of multiple objects if :serializable => true' do
+        subject.expose(:awesome){ true }
+        representation = subject.represent(2.times.map{ Object.new }, :serializable => true)
+        representation.should == [{awesome: true},{awesome: true}]
+      end
     end
 
     describe '.root' do