# Copyright 2007 Antoine Toulme
#
# This script is using the rss2svn lib with a WEBrick server.
# It proposes a RSS feed. Note that the use of a golbal variable
# makes it totally insecure. It's good to showcase the stuff,
# but that's it!
# If you have a better way to share a variable amongst threads, 
# please send me an email ;)

require "rubygems"

require "webrick"

require "../lib/svn2rss.rb"

include WEBrick

server = HTTPServer.new(:Port => "8080")

@url = "http://tempo.intalio.org/tempo"

@feed_url = "http://localhost:8080" 
@feed_title = "Test" 
@feed_description = "Test" 
@language = "en"
@managingEditor = "antoine@lunar-ocean.com"
@webmaster = "antoine@lunar-ocean.com"

class UpdateFeed < Thread
  attr_accessor :feed
end

$feed = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<rss version=\"2.0\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\">
  <channel>
    <title>Currently building...</title>
    <link>http://localhost:8080</link>
    <description>The feed is currently building. Come back in a few moments for fresh news!</description>
    <language>#{@language}</language>
    <pubDate>#{Time.parse(Time.now.to_s).rfc822}</pubDate>
    <lastBuildDate>#{Time.parse(Time.now.to_s).rfc822}</lastBuildDate>
    <docs>http://cyber.law.harvard.edu/rss/rss.html</docs>
    <generator>svn2rss #{ENV['SVN2RSS_VERSION']}</generator>
    <managingEditor>#{@managingEditor}</managingEditor>
    <webMaster>#{@webmaster}</webMaster>"

updateFeed = UpdateFeed.new {
  self.include Svn2rss
  while(true) do
    puts "in" 
    entries = parseSvnLog(@url, 10)
    puts "entries parsed"
    $feed = createRSSFeed(entries, @feed_url, @feed_title, @feed_description, @language, @managingEditor, @webmaster)
    puts "in dere"
    puts feed
    sleep 3600
  end
}


puts "out"
class FeedServlet < HTTPServlet::AbstractServlet
  
  def do_GET(req, resp)
    puts "body"
    puts $feed
    resp.body = $feed
     
    resp['content-type'] = 'application/rss+xml'
    raise HTTPStatus::OK
    
  end

  alias do_POST do_GET

end


['INT', 'TERM'].each { |signal|
   trap(signal){ 
    updateFeed.terminate
    server.shutdown
  } 
}


servlet = server.mount('/feed', FeedServlet)

server.start()