<?php
	/**
	 * Copyright 2005 Wim van Ravesteijn
	 *
	 * This file is part of AEGEE-Europe Photo Page.
	 *
	 * AEGEE-Europe Photo Page is free software: you can redistribute it
	 * and/or modify it under the terms of the GNU General Public License as
	 * published by the Free Software Foundation, either version 3 of the
	 * License, or (at your option) any later version.
	 *
	 * AEGEE-Europe Photo Page is distributed in the hope that it will be
	 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
	 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	 * GNU General Public License for more details.
	 *
	 * You should have received a copy of the GNU General Public License
	 * along with AEGEE-Europe Photo Page.  If not, see
	 * <http://www.gnu.org/licenses/>.
	 */
	if( $rundaily!="yes" ) {
		// No access
		exit();
	}

	for( $i=0; $i<=1; $i++ ) {
		switch( $i ) {
			case 0:
				$out.="\n\n=== Updating events from Calendar of Events ===\n";
				$url = "/calendar.nsf/CurrentByDateBC?ReadViewEntries&count=500";
				$eventtype="coe";
				break;
			case 1:
				$out.="\n\n=== Updating events from Summer Universities ===\n";
				$url = "/su.nsf/SUsByDateBC?ReadViewEntries&count=500";
				$eventtype="su";
				break;
		}
		if( !($fp=urlopen("www.karl.aegee.org", $url)) ) {
			//failed
			$out.="Failed opening $url\n";
		}else {
			$xmlp = xml_parser_create();
			xml_set_element_handler($xmlp, "xml_startElement", "xml_endElement");
			xml_set_default_handler($xmlp, "xml_cdata");
	
			while( $data = fread($fp, 4096) ) {
				if( !xml_parse($xmlp, $data, feof($fp)) ) {
					$out.="XML error: ".xml_error_string(xml_get_error_code($xmlp))." at line ".xml_get_current_line_number($xmlp)."\n";
				}
			}
			xml_parser_free($xmlp);
		}
	}

	function xml_startElement($parser, $name, $attrs) {
		global $event;
		if( $name=="VIEWENTRY" ) {
			// We are at a new row/event
			$event=array();
			$event['documentid']=$attrs['UNID'];
		}elseif( $name=="ENTRYDATA" ) {
			switch( strtolower($attrs['NAME']) ) {
				case "$42":
					$event['curelement']="datestart";
					break;
				case "$45":
					$event['curelement']="dateend";
					break;
				case "subject":
					$event['curelement']="title";
					break;
				case "cities":
					$event['curelement']="location";
					break;
				case "eventcode":
				case "calofficial":
				case "projectname":
				case "location":
				case "certainty":
				case "eventtype":
				case "topic":
				case "bodycode":
				case "bodycode2":
				case "area":
				case "eventrating":
				case "email":
				case "url":
					$event['curelement']=strtolower($attrs['NAME']);
					break;
				default:
					// Element we don't handle
			}			
		}elseif( $name=="TEXT" ) {
			$event['textopened']=true;
		}
	}

	function xml_endElement($parser, $name) {
		global $event, $eventtype;
		if( $name=="VIEWENTRY" ) {
			// End of row/event, process it
			$event['curelement']=NULL; // Remove invalid elements from the array
			$event['textopened']=NULL;
			if( $eventtype=="su" ) {
				$event['projectname']="Summer University";
				$event['area']="european";
				$event['eventrating']="summer university";
				$event['bodycode']=substr($event['eventcode'], 4, 3);
			}
			event_add($event);
		}elseif( $name=="ENTRYDATA" ) {
			$event['curelement']=NULL;
		}elseif( $name=="TEXT" ) {
			$event['textopened']=false;
		}
	}

	function xml_cdata($parser, $data) {
		global $event, $out;
		if( isset($event['curelement']) AND $event['textopened']==true ) {
			$event[ $event['curelement'] ].=$data;
		}
	}
?>