Module: Revealer::ClassMethods

Defined in:
lib/revealer.rb

Instance Method Summary collapse

Instance Method Details

#decorate(reveal) ⇒ Object 



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# File 'lib/revealer.rb', line 12

def decorate(reveal)
  reveals = Array(reveal).map do |reveal|
    "#{reveal.class.name}Decorator".constantize.new(reveal)
  end
  
  reveals.many? ? reveals : reveals.first
rescue NameError
  reveal
end

#reveal(name, &block) ⇒ Object 



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# File 'lib/revealer.rb', line 22

def reveal(name, &block)
  _name = "_#{name}"
  
  default_reveal = proc do |name|
    collection = "_#{name.to_s.pluralize}"
    
    if respond_to?(collection) && collection != name.to_s && (collection = send(collection)).respond_to?(:scoped)
      proxy = collection
    else
      proxy = name.to_s.classify.constantize
    end
    
    if id = params[:"#{name}_id"] || params[:id]
      proxy.find(id)
    else
      proxy.new
    end.tap do |reveal|
      reveal.attributes = params[name] unless request.get?
    end
  end
  
  define_method(name) do
    @_reveals ||= {}
    @_reveals[name] ||= self.class.decorate(send(_name))
  end
  
  define_method(_name) do
    @_reveals ||= {}
    @_reveals[_name] ||= if block_given?
      instance_eval(&block)
    else
      instance_exec(name, &default_reveal)
    end
  end
  
  helper_method(name)
  helper_method(_name)
  hide_action(name)
  hide_action(_name)
end