Extend rails-settings-cached to merge db-saved hash values with defaults

app/lib/settings/extend.rb

@@ -0,0 +1,9 @@
+module Settings
+  module Extend
+  	extend ActiveSupport::Concern
+
+    def settings
+      ScopedSettings.for_thing(self)
+    end
+  end
+end

app/lib/settings/scoped_settings.rb

@@ -0,0 +1,12 @@
+module Settings
+  class ScopedSettings < ::Setting
+    def self.for_thing(object)
+      @object = object
+      self
+    end
+
+    def self.thing_scoped
+      unscoped.where(thing_type: @object.class.base_class.to_s, thing_id: @object.id)
+    end
+  end
+end