module Humpyard::ActiveRecord::Acts::Asset

   # File lib/humpyard/active_record/acts/asset.rb
 6 def self.included(base)
 7   base.has_one :asset, :as => :content_data, :class_name => 'Humpyard::Asset', :autosave => true
 8   base.validate :asset_must_be_valid
 9   
10   begin
11     all_attributes = Humpyard::Asset.column_names.map{|a| a.to_s}
12   rescue
13     # Table not migrated
14     all_attributes = []
15   end
16   ignored_attributes = ['id', 'created_at', 'updated_at', 'content_data_id', 'content_data_type']
17   attributes_to_delegate = all_attributes - ignored_attributes
18   attributes_to_delegate.each do |attrib|
19     base.delegate "#{attrib}", "#{attrib}=", "#{attrib}?", :to => :asset
20     if attrib.match /_id$/
21       attrib = attrib.gsub /(_id)$/, ''
22       base.delegate "#{attrib}", "#{attrib}=", "#{attrib}?", :to => :asset
23     end
24   end
25   
26   Humpyard::Asset.attr_accessible.each do |attr|
27     base.attr_accessible attr
28   end
29   
30   base.extend ClassMethods
31   
32   base.alias_method_chain :asset, :autobuild 
33   base.alias_method_chain :column_for_attribute, :asset_column_for_attribute
34   
35 end

   # File lib/humpyard/active_record/acts/asset.rb
37 def asset_with_autobuild
38   asset_without_autobuild || build_asset
39 end

   # File lib/humpyard/active_record/acts/asset.rb
41 def column_for_attribute_with_asset_column_for_attribute(attr)
42   ret = column_for_attribute_without_asset_column_for_attribute(attr) || Humpyard::Asset.new.column_for_attribute(attr)       
43 end

   # File lib/humpyard/active_record/acts/asset.rb
50 def asset_must_be_valid
51   unless asset.valid?
52     asset.errors.each do |attr, message|
53       errors.add(attr, message)
54     end
55   end
56 end