base.rb in tracker_api-0.2.10

- old
+ new
@@ -1,70 +1,15 @@
 require 'virtus'
-require 'active_support/concern'
-require 'active_model'
 
 module TrackerApi
   module Resources
     module Base
-      extend ActiveSupport::Concern
+      def self.included(base)
+        base.class_eval do
+          include Virtus.model
+          include Equalizer.new(:id)
 
-      include ActiveModel::Model
-      include ActiveModel::Dirty
-
-      included do
-        include Virtus.model
-        include OverrideAttributes
-
-        attribute :id, Integer
-
-        def initialize(attrs)
-          super
-
-          # always reset dirty tracking on initialize
-          clear_changes_information
-        end
-
-        private
-
-        # @return [Hash] key value pairs for just the changed attributes with their new values.
-        def just_changes
-          # @see changes in ActiveModel::Dirty in active_model/dirty.rb
-          #     { attr => [original value, new value] }
-          changes.inject({}) do |h, (k, v)|
-            h[k] = v[1]; h;
-          end
-        end
-      end
-
-      module OverrideAttributes
-        extend ActiveSupport::Concern
-
-        module ClassMethods
-          def attribute(name, type, options = {})
-            define_attribute_methods name
-
-            attribute = super
-            create_writer_with_dirty_tracking(name)
-            attribute
-          end
-
-          private
-
-          def create_writer_with_dirty_tracking(name)
-            method_str = <<-RUBY
-              def #{name}=(value)
-                prev_value = #{name}
-                new_value  = value
-                if prev_value != new_value
-                  #{name}_will_change!
-                  new_value = super(value)
-                end
-                new_value
-              end
-            RUBY
-
-            class_eval method_str, __FILE__, __LINE__ + 1
-          end
+          attribute :id, Integer
         end
       end
     end
   end
 end