#! /usr/bin/ruby
 


 # Save the array of feed items as an XML file.
 # If the requested type is RSS, a standard RSS feed will be created.
 # Otherwise the file requested will include the full feed title and link for use
 # in generating the web page.
 


 def make_xml(itemlist, type)
 


   file = File.new( type + '.xml','w')
   file.puts('<?xml version="1.0"?>')
 


   if type == 'rss'
     file.puts('<rss version="2.0">')
   else
     file.puts('<' + type + '>')
   end
 


   # Write out the XML header.
   file.puts(' <channel>')
   file.puts('  <title>' + get_param('rubyriver.yml','sitetitle') + '</title>')
   file.puts('  <link>' + get_param('rubyriver.yml','sitelink') + '</link>')
   file.puts('  <description>' + get_param('rubyriver.yml','sitedescription') + '</description>')
   file.puts('  <language>' + get_param('rubyriver.yml','sitelanguage') + '</language>')
   file.puts('  <copyright>' + get_param('rubyriver.yml','sitecopyright') + '</copyright>')
   file.puts('  <pubDate>' + Time.now.rfc2822 + '</pubDate>')
   file.puts('  <lastBuildDate>' + Time.now.rfc2822 + '</lastBuildDate>')
   file.puts('  <generator>RubyRiver 0.1</generator>')
 


   # Write out each feed item.
   itemlist.each do |item|
 


     # Each element of the itemlist array has the following structure:
     # [pubdate, {pubdate,title,description,link,feedlink,feedtitle}]
     # The hash containing the item's data will be used to generate a new RSS item.
     current_item = item[1]
     file.puts('  <item>')
     if type != 'rss'
       file.puts('    <feedtitle>' + current_item['feedtitle'] + '</feedtitle>')
       file.puts('    <feedlink>' + current_item['feedlink'] + '</feedlink>')
     end
     file.puts('    <pubDate>' + current_item['pubdate'] + '</pubDate>')
     file.puts('    <title>' + current_item['title'] + '</title>')
     file.puts('    <link>' + current_item['link'] + '</link>')
     file.puts('    <description>' + current_item['description'] + '</description>')
     file.puts('    <guid>' + current_item['link'] + '</guid>')
     file.puts('  </item>')
   end
 


   file.puts(' </channel>')
   file.puts('</' + type + '>')
   file.close
 end