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Size: 1.08 KB
Versions: 1
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Contents
require 'singleton' require 'active_decorator/helpers' module ActiveDecorator class Decorator include Singleton def initialize @@decorators = {} end def decorate(obj) return if obj.nil? if obj.is_a? Array obj.each do |r| decorate r end elsif defined?(ActiveRecord) && obj.is_a?(ActiveRecord::Relation) class << obj def to_a_with_decorator to_a_without_decorator.tap do |arr| ActiveDecorator::Decorator.instance.decorate arr end end alias_method_chain :to_a, :decorator end else d = decorator_for obj.class return obj unless d obj.extend d unless obj.is_a? d end end private def decorator_for(model_class) return @@decorators[model_class] if @@decorators.has_key? model_class decorator_name = "#{model_class.name}Decorator" d = decorator_name.constantize d.send :include, ActiveDecorator::Helpers @@decorators[model_class] = d rescue NameError end end end
Version data entries
1 entries across 1 versions & 1 rubygems
Version | Path |
---|---|
active_decorator-0.2.0 | lib/active_decorator/decorator.rb |