<?

class iCalendar
{
	/**
	 * Create iCalendar Event
	 * 
	 * @param - $info (array) - Item Information, 'title' and 'msg' elements
	 * @param - $data (arra) - 'start' and 'end' in unix_timestamp()
	 * @param - $filename (string) - Filename to create as
	 */
	function create ($info, $date, $filename = "RANDOM")
	{
		global $main;
		
		header("Content-Type: text/x-vCalendar");
		    
		if ($filename == "RANDOM")
		{
			$main->core->build->create_uid("6", "alphanumeric");
		}
		
		header("Content-Disposition: inline; filename=" . $filename . ".vcs");
		
		$info['title'] = preg_replace("/[\r\n]/", " ", $info['title']);
		$info['msg'] = preg_replace("/[\r\n]/", "=0D=0A=\n", $info['msg']);
		$date['start'] = date("Ymd\THi00", $date['start']);
		$date['end'] = date("Ymd\THi00", $date['end']);
		
		print "BEGIN:VCALENDAR\n";
		print "VERSION:1.0\n";
		print "PRODID:Upkeep Content Management System\n";
		print "TZ:+12\n";
		print "BEGIN:VEVENT\n";
		print "SUMMARY:" . $info['title'] . "\n";
		print "DESCRIPTION;ENCODING=QUOTED-PRINTABLE: " . $info['msg'] . "\n";
		print "DTSTART:" . $date['start'] . "\n";
		print "DTEND:" . $date['end'] . "\n";
		print "END:VEVENT\n";
		print "END:VCALENDAR";
		exit();	
		
	}
}
?>