// Zoe AIM Away Message RSS Feed Generator
//
// Seth King and Douglas Thrift
//
// $Id$

#ifndef _Rss_hpp_
#define _Rss_hpp_

#include "AwayMessage.hpp"

struct Rss
{
	template<typename Iterator>
	Rss(const Buddy& buddy, const ext::String& display,
		const Iterator& messagesBegin, const Iterator& messagesEnd,
		const Stamp& stamp);
};

template<typename Iterator>
Rss::Rss(const Buddy& buddy, const ext::String& display,
	const Iterator& messagesBegin, const Iterator& messagesEnd,
	const Stamp& stamp)
{
	api::FileWriter fout(buddy.getRss() != "-" ? buddy.getRss() : "/dev/null");
	xml::TextWriter rss(buddy.getRss() != "-" ? fout : api::Cout.GetStream());
	xml::ScopeElement root(rss, "rss");

	rss.SetAttribute("version", "2.0");

	xml::ScopeElement channel(rss, "channel");

	rss.OpenElement("title");
	rss.OutputText(display + "'s Away Messages");
	rss.CloseElement();
	rss.OpenElement("link");
	rss.OutputText(buddy.getLink());
	rss.CloseElement();
	rss.OpenElement("description");
	rss.OutputText(display + "'s AIM Away Messages from the past 30 "
		"days.");
	rss.CloseElement();
	rss.OpenElement("lastBuildDate");
	rss.OutputText(stamp.get822());
	rss.CloseElement();
	rss.OpenElement("generator");
	rss.OutputText(Zoe::generator());
	rss.CloseElement();
	rss.OpenElement("docs");
	rss.OutputText("http://blogs.law.harvard.edu/tech/rss");
	rss.CloseElement();
	rss.OpenElement("ttl");
	rss.OutputText("60");
	rss.CloseElement();

	for (Iterator message(messagesBegin); message != messagesEnd; ++message)
	{
		xml::ScopeElement item(rss, "item");

		rss.OpenElement("link");
		rss.OutputText(message->getLink(buddy));
		rss.CloseElement();
		rss.OpenElement("description");
		rss.OutputText(*message);
		rss.CloseElement();
		rss.OpenElement("guid");
		rss.OutputText(message->getTag(buddy));
		rss.CloseElement();
		rss.OpenElement("pubDate");
		rss.OutputText(message->getStamp().get822());
		rss.CloseElement();
	}
}

#endif // _Rss_hpp_