diff options
Diffstat (limited to 'rss/rss.php')
-rw-r--r-- | rss/rss.php | 303 |
1 files changed, 62 insertions, 241 deletions
diff --git a/rss/rss.php b/rss/rss.php index 65d669c..e6942a4 100644 --- a/rss/rss.php +++ b/rss/rss.php @@ -1,257 +1,78 @@ <?php /******************************************************************************** -* Modified from phpicalendar 2.0a distribution by Jim Hu -* philosophical changes -* - instead of having separate generators, use a date range for all views (done) -* - change the rss generation method to conform to standards(not done) -* PHP note: #@ is error control operator to suppress execution halt on error -* - used below to deal with undef? -* -* using rssview, RSS feeds can be specified to return events for a given day, week, month, or year -* feeds can be specified for a number of days to or from a given date -* feeds can be specified for a range of dates -* -*********************************************************************************/ +Changed to use rss_common for date handling and loop -/* Modified from 2.21 by dyfrin 2006/03/08 19:09:28 - Changes: - -RSS changed to 2.0, encoding removed, languages converted to ISO standard for feeds - -RSS title changed to be set by config.inc.php. Make sure that is added to it. - Lines modified: 135-165, 208-223 - Additional mods by J. Hu -*/ +*********************************************************************************/ define('BASE', '../'); -require(BASE.'functions/init.inc.php'); - -if ($enable_rss != 'yes') { - die ("RSS feeds are not enabled on this site."); +$rss_version = '<rss version="0.91">'."\n"; + +require(BASE.'rss/rss_common.php'); + +function rss_top(){ + global $cal_displayname, $theview, $default_path, $cpath, $lang, $rss_link, $rss_language; + $rss = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"."\n"; + $rss .= '<!DOCTYPE rss PUBLIC "-//Netscape Communications//DTD RSS 0.91//EN" "http://my.netscape.com/publish/formats/rss-0.91.dtd">'."\n"; + $rss .= '<rss version="0.91">'."\n"; + $rss .= '<channel>'."\n"; + $rss .= '<title>'.$cal_displayname; + if ($theview !=""){$rss .= ' - '.$theview;} + $rss .= "</title>\n"; + + $rss .= '<link>'.htmlspecialchars("$default_path").'</link>'."\n"; + if (isset($cpath) && $cpath !='') $rss_link.="?cpath=$cpath"; + $rss .= "<link>$rss_link</link>\n"; + + $rss .= '<description>'.$cal_displayname.' '.$lang['l_calendar'].' - '.$theview.'</description>'."\n"; + $rss .= '<language>'.$rss_language.'</language>'."\n"; + $rss .= '<copyright>Copyright '.date(Y).', '.htmlspecialchars ("$default_path").'</copyright>'."\n"; + return $rss; } -include_once(BASE.'functions/date_functions.php'); - - -//set the range of days to return based on the view chosen -$rssview = $_GET['rssview']; -if (isset($_GET['getdate']) && $_GET['getdate'] !=''){ - $getdate = $_GET['getdate']; -}else{ - $getdate = date("Ymd"); +function rss_li($rss_link, $uid){ + $return = ""; } -# for all views, $fromdate is the first day to be shown and $todate should be the last day. -switch ($rssview){ - case 'day': - $fromdate = $getdate; - $todate = $getdate; - $theview = $lang['l_day']; - break; - case 'week': - $fromdate = dateOfWeek($getdate, 'Sunday'); - $todate = date("Ymd", strtotime($fromdate) + 6*24*60*60); - $theview = $lang['l_week']." of ".date('n/d/Y',strtotime($fromdate)); - break; - case 'month': - $parse_month = date ("Ym", strtotime($getdate)); - $fromdate = ($parse_month *100) + 1; - $todate = ($parse_month *100) + date("t",strtotime($getdate)); - $theview = date('M Y',strtotime($fromdate)); - break; - case 'year': - if(isset($_GET['year'])){ - $theyear = $_GET['year']; - }else{ - $theyear = substr($getdate,0,4); - } - $fromdate = ($theyear*10000)+101; - $todate = date("Ymd", strtotime($theyear*10000+1231)); - $theview = $theyear; - break; - case 'daysfrom': - $fromdate = $getdate; - $todate = date("Ymd", strtotime($getdate) + $_GET['days']*60*60*24); - $theview = $_GET['days']." days from ".date('n/d/Y',strtotime($fromdate)); - break; - case 'daysto': - $todate = $getdate; - $fromdate = date("Ymd", strtotime($getdate) - $_GET['days']*60*60*24); - $theview = $_GET['days']." days before ".date('n/d/Y',strtotime($todate)); - break; - case 'range': - if(isset($_GET['from'])){ - $fromdate = $_GET['from']; - }else{ - $fromdate = $getdate; - } - $todate = $_GET['to']; - $theview = date('n/d/Y',strtotime($fromdate)).'-'.date('n/d/Y',strtotime($todate)); - break; - default: - #default to week - $fromdate = dateOfWeek($getdate, 'Sunday'); - $todate = date("Ymd", strtotime($fromdate) + 6*24*60*60); - $theview = ""; +function enclose_items($rss_items){ + return $rss_items; } -#need to give ical_parser the most distant date to correctly set up master_array. -$getdate = $todate; -#echo "from:$fromdate to:$todate"; - -#Note that ical_parser supplies cal_displayname. -include(BASE.'functions/ical_parser.php'); - -$events_count = 0; -// calculate a value for Last Modified and ETag -$cal = implode(",",$cals); - -//get filemtime from master array -$filemod = 0; #default to start of unix era, overwrite with most recent mtime from master array -foreach ($master_array['-4'] as $calinfo){ - if ($calinfo['mtime'] > $filemod) $filemod = $calinfo['mtime']; -} -$filemodtime = date("r", $filemod); - -//send relevant headers -header ("Last-Modified: $filemodtime"); -header ("ETag:\"$filemodtime\""); - -// checks the user agents headers to see if they kept track of our -// stuff, if so be nice and send back a 304 and exit. - -if ( ($_SERVER['HTTP_IF_MODIFIED_SINCE'] == $filemodtime) || ($_SERVER['HTTP_IF_NONE_MATCH'] == $filemodtime)){ - header ("HTTP/1.1 304 Not Modified"); - exit; +function rss_item(){ + global $uid,$event_start,$rss_title,$rss_link, $dayofweek, $event_text, $rss_description, $val; + $rss .= '<item>'."\n"; + $rss .= '<uid>'.$uid.'</uid>'."\n"; + $rss .= '<event_start>'.$event_start.'</event_start>'."\n"; + $rss .= '<title>'.$rss_title.'</title>'."\n"; + /* custom stuff for Jim Hu's RSS feeds. Deprecated + $rss .= '<seminardate>'.$dayofweek.'</seminardate>'."\n"; + $rss .= '<seminarspeaker>'.$event_text.'</seminarspeaker>'."\n"; + $rss .= '<seminartitle>'.$description.'</seminartitle>'."\n"; + $rss .= '<tagged>'.$val["description"].'</tagged>'."\n"; + $rss .= '<seminarhost>'.$val['attendee'].'</seminarhost>'."\n"; + $rss .= '<organizer>'.$val['organizer'].'</organizer>'."\n"; + $rss .= '<status>'.$val['status'].'</status>'."\n"; + */ + $rss .= '<link>'.$rss_link.'</link>'."\n"; + $rss .= '<description>'.$rss_description.'</description>'."\n"; + if (isset($val['location']) && $val['location'] !=''){ + $location = str_replace('&','&',$val['location']); + $location = str_replace('&amp;','&',$location); + $rss .= '<location>'.$location."</location>\n"; + } + $rss .= '</item>'."\n"; + return $rss; } - -/* Change languages to ISO 639-1 to validate RSS without changing long version in config.inc.php */ -$user_language = array ("english", "polish", "german", "french", "dutch", "italian", "japanese", "norwegian", "spanish", "swedish", "portuguese", "catalan", "traditional_chinese", "esperanto", "korean"); -$iso_language = array ("en", "pl", "de", "fr", "nl", "da", "it", "ja", "no", "es", "sv", "pt", "ca", "zh-tw", "eo", "ko"); -$rss_language = str_replace($user_language, $iso_language, $language); -/* End language modification */ - -$rss = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"."\n"; -$rss .= '<!DOCTYPE rss PUBLIC "-//Netscape Communications//DTD RSS 0.91//EN" "http://my.netscape.com/publish/formats/rss-0.91.dtd">'."\n"; -$rss .= '<rss version="0.91">'."\n"; -$rss .= '<channel>'."\n"; -$rss .= '<title>'.$cal_displayname; -if ($theview !=""){$rss .= ' - '.$theview;} -$rss .= "</title>\n"; - -$rss .= '<link>'.htmlspecialchars("$default_path").'</link>'."\n"; -if (isset($cpath) && $cpath !='') $rss_link.="?cpath=$cpath"; -$rss .= "<link>$rss_link</link>\n"; - -$rss .= '<description>'.$cal_displayname.' '.$lang['l_calendar'].' - '.$theview.'</description>'."\n"; -$rss .= '<language>'.$rss_language.'</language>'."\n"; -$rss .= '<copyright>Copyright '.date(Y).', '.htmlspecialchars ("$default_path").'</copyright>'."\n"; - -//generate the items -$numdays = round((strtotime($todate) - strtotime($fromdate))/(60*60*24))+1; -$thisdate = $fromdate; # start at beginning of date range, - # note that usage of $thisdate is different from distribution - # I use it as a date, dist uses it as a time -$thistime = strtotime($thisdate); -$i = 1; #day counter -$uid_arr = array(); - do { - $thisdate=date('Ymd', $thistime); -# echo "Date: $thisdate\ti:$i\tnumdays:$numdays<br>\n"; - $dayofweek = localizeDate ("%a %b %e %Y", strtotime($thisdate)); - if (isset($master_array[($thisdate)]) && sizeof($master_array[($thisdate)]) > 0) { - foreach ($master_array[("$thisdate")] as $event_times) { - foreach ($event_times as $uid=>$val) { - #handle multiday all day events - if(!$val["event_start"]){ - if (isset($uid_arr[$uid])){ - $uid_arr[$uid] .= "+$dayofweek" ; - continue; - }else{ - $uid_arr[$uid] = "$dayofweek" ; - } - $event_start = $lang['l_all_day']; - }else{ - $event_start = @$val["event_start"]; - $event_start = date ($timeFormat, @strtotime ("$event_start")); - } - $event_text = stripslashes(urldecode($val["event_text"])); - $event_text = strip_tags($event_text, '<b><i><u>'); - $event_text = str_replace('&','&',$event_text); - $event_text = str_replace('&amp;','&',$event_text); - # $event_text = urlencode($event_text); - #uncomment for shorter event text with ... - # $event_text = word_wrap($event_text, 21, $tomorrows_events_lines); - $description = stripslashes(urldecode($val["description"])); - $description = strip_tags($description, '<b><i><u>'); - $description = str_replace('&','&',$description); - $description = str_replace('&amp;','&',$description); - - - $rss_title = urldecode ("$dayofweek: $event_text"); - - $urlcal = rawurlencode ("$cal"); - if (isset($rss_link_to_event) && $rss_link_to_event == 'yes'){ - $event_data = urlencode(serialize($val)); - $rss_link = "$default_path/includes/event.php?getdate=$thisdate&cal=$cal&event_data=$event_data"; - }else{ - $rss_link = ("$default_path/day.php?getdate=$thisdate&cal=$urlcal"); - - } - if (isset($cpath) && $cpath !='') $rss_link.="&cpath=$cpath"; - - $rss_description = htmlspecialchars ("$dayofweek $event_start: $description"); - - $rss .= '<item>'."\n"; - $rss .= '<uid>'.$uid.'</uid>'."\n"; - $rss .= '<event_start>'.$event_start.'</event_start>'."\n"; - $rss .= '<title>'.$rss_title.'</title>'."\n"; - /* custom stuff for Jim Hu's RSS feeds. Deprecated - $rss .= '<seminardate>'.$dayofweek.'</seminardate>'."\n"; - $rss .= '<seminarspeaker>'.$event_text.'</seminarspeaker>'."\n"; - $rss .= '<seminartitle>'.$description.'</seminartitle>'."\n"; - $rss .= '<tagged>'.$val["description"].'</tagged>'."\n"; - $rss .= '<seminarhost>'.$val['attendee'].'</seminarhost>'."\n"; - $rss .= '<organizer>'.$val['organizer'].'</organizer>'."\n"; - $rss .= '<status>'.$val['status'].'</status>'."\n"; - */ - $rss .= '<link>'.$rss_link.'</link>'."\n"; - $rss .= '<description>'.$rss_description.'</description>'."\n"; - if (isset($val['location']) && $val['location'] !=''){ - $location = str_replace('&','&',$val['location']); - $location = str_replace('&amp;','&',$location); - $rss .= '<location>'.$location."</location>\n"; - } - $rss .= '</item>'."\n"; - $events_count++; - } - } - } - if (($events_count < 1) && ($i == $numdays)) { - $rss .= '<item>'."\n"; - $rss .= '<title>No events found</title>'."\n"; - $rss .= '<link>'.htmlspecialchars ("$default_path").'</link>'."\n"; - $rss .= '</item>'."\n"; - } - $thistime = $thistime+(60*60*24); # echo "$thisdate: ".strtotime($thisdate)."->$thistime<br>\n"; - $i++; - } while ($i <= $numdays); - -$rss .= '</channel>'."\n"; -$rss .= '</rss>'."\n"; - -foreach ($uid_arr as $uid=>$date_range){ - #echo "date_range:$date_range<br>"; - - if(strpos($date_range,"+")>0){ - #echo "+ in date_range<br>"; - $temp = explode("+",$date_range); - $date_range = $temp[0].'-'.array_pop($temp); - } - $rss = str_replace("<uid>$uid</uid>\n<event_start>".$lang['l_all_day']."</event_start>","<uid>$uid</uid>\n<event_start>$date_range</event_start>", $rss); - +function rss_noitems(){ + global $default_path; + $rss .= '<item>'."\n"; + $rss .= '<title>No events found</title>'."\n"; + $rss .= '<link>'.htmlspecialchars ("$default_path").'</link>'."\n"; + $rss .= '</item>'."\n"; + return $rss; } -header ("Content-Type: text/xml"); - -echo "$rss"; +function rss_close(){ + return "</channel>\n</rss>\n"; +} ?> |