Class: N::RssBuilder

Inherits:
Object show all
Defined in:
lib/nitro/builders/rss.rb

Overview

Build RSS represenations of ruby object collections. Utilize duck typing to grab the attributes to render. – TODO: add more options here, 1.0/2.0 support and more. ++

Class Method Summary collapse

Class Method Details

.render_0_9(objects, options = {}) ⇒ Object Also known as: render

Options:

:description

Description of the Feed

:base

Base url of the Feed.

:link

Link of the Feed.



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# File 'lib/nitro/builders/rss.rb', line 30

def render_0_9(objects, options = {})
	c = {
		:description => 'Syndication'
	}.update(options)

	c[:base] ||= c[:link]

	raise "Option ':base' cannot be infered!" unless c[:base] 

	channel = RSS::Rss::Channel.new
	channel.description = c[:description]
	channel.link = c[:link] if c[:link] 
	
	for obj in objects
		item = RSS::Rss::Channel::Item.new
		item.title = obj.title if obj.respond_to?(:title)
		item.description = N::StringUtils.head(obj.body, 256) if obj.respond_to?(:body)
		item.link = "#{c[:base]}/#{obj.view_uri}" if obj.respond_to?(:view_uri)
		channel.items << item
	end
	
	rss = RSS::Rss.new '0.9'
	rss.channel = channel
	
	return rss.to_s
end