lib/alegra/utilities/hash.rb in alegra-0.1.1 vs lib/alegra/utilities/hash.rb in alegra-0.1.2

@@ -1,22 +1,34 @@
 class Hash
   def deep_camel_case_lower_keys(hash=self)
     {}.tap { |h|
-      hash.each { |key, value| h[transform_key(key)] = map_value(value) }
+      hash.each { |key, value| h[camel_case_lower_key(key)] = map_value(value, :deep_camel_case_lower_keys) }
     }
   end
 
-  def map_value(thing)
+  def deep_underscore_keys(hash=self)
+    {}.tap { |h|
+      hash.each { |key, value| h[underscore_key(key)] = map_value(value, :deep_underscore_keys) }
+    }
+  end
+
+  private
+
+  def underscore_key(key)
+    key.to_s.underscore.to_sym
+  end
+
+  def camel_case_lower_key(key)
+    key.to_s.split('_').inject([]){ |buffer, e| buffer.push(buffer.empty? ? e : e.capitalize) }.join.to_sym
+  end
+
+  def map_value(thing, method)
     case thing
     when Hash
-      deep_camel_case_lower_keys(thing)
+      __send__(method, thing)
     when Array
-      thing.map { |v| map_value(v) }
+      thing.map { |v| map_value(v, method) }
     else
       thing
     end
-  end
-
-  def transform_key(key)
-    key.to_s.split('_').inject([]){ |buffer, e| buffer.push(buffer.empty? ? e : e.capitalize) }.join.to_sym
   end
 end
\ No newline at end of file