php/rozvrh.atom.phps

   1 <?php
   2         header("Content-Type: application/atom+xml");
   3
   4         $url = 'http://www.ssps.cz/pages/rozvrhy/index.php';
   5
   6         # E.g. $croom = '1.A';
   7         $croom = "x";
   8         $croom = trim($_GET['q']);
   9
  10         function atomPrintItem($title, $id, $update, $link, $desc='') {
  11                 echo("\n<entry>\n");
  12                 echo("\t<id>$id</id>\n");
  13                 echo("\t<updated>" . strftime("%Y-%m-%dT%H:%M:%SZ", $update) . "</updated>\n");
  14                 echo("\t<title>$title</title>\n");
  15                 echo("\t<link href=\"$link\" />\n");
  16                 echo("\t<content>$desc</content>\n");
  17                 echo("</entry>\n\n");
  18         }
  19         echo('<?xml'); ?> version="1.0" encoding="UTF-8"?>
  20 <feed xmlns="http://www.w3.org/2005/Atom" xml:lang="cs">
  21         <title>Změny v rozvrhu SSPŠ</title>
  22         <subtitle>Aktuální změny v rozvrhu SSPŠ</subtitle>
  23         <link href="<?php echo($url); ?>" />
  24         <icon>http://www.ssps.cz/favicon.ico</icon>
  25         <id>tag:ssps.cz,2008:</id>
  26         <author>
  27                 <name>SSPŠ</name>
  28         </author>
  29 <?php
  30         $croom = str_replace('.', '\.', $croom);
  31         $feed = split('<[^>]+>', iconv('WINDOWS-1250', 'UTF-8', file_get_contents($url)));
  32         $date = 0;
  33         $update = 0;
  34         $lastUpdate = 0;
  35
  36         ob_start();
  37
  38         foreach($feed as $line) {
  39                 $line = trim($line);
  40                 if($line == '' || eregi('rozvrhy', $line)) continue;
  41
  42                 # Last update?
  43                 if (eregi("^Aktualizováno: (..)\.(..)\.(....)&nbsp;(..:..:..)$", $line, $r))
  44                 {
  45                         $update = strtotime("{$r[3]}-{$r[2]}-{$r[1]} {$r[4]}");
  46
  47                         # This is the last update of the whole feed
  48                         if ($lastUpdate < $update)
  49                                 $lastUpdate = $update;
  50                         continue;
  51                 }
  52
  53                 # What day are we reading?
  54                 if (eregi("^[^ ]+&nbsp;(..)\.(..)\.(....)$", $line, $r))
  55                 {
  56                         $date = strtotime("{$r[3]}-{$r[2]}-{$r[1]}");
  57                         continue;
  58                 }
  59
  60                 # Found a line about our class
  61                 if ($date && eregi($croom, $line))
  62                 {
  63                         $days = array('Ne', 'Po', 'Út', 'St', 'Čt', 'Pá', 'So');
  64                         $wday = localtime($date, TRUE);
  65                         $wday = $days[$wday['tm_wday']];
  66                         atomPrintItem($wday . strftime(" %d.%m. ", $date) . $line,
  67                                 "tag:ssps.cz," . strftime("%Y-%m-%d:", $date) . md5($line),
  68                                 $update, $url, $line);
  69                 }
  70         }
  71         $feed = ob_get_contents();
  72         ob_end_clean();
  73         # Must appear before the items
  74         echo ("\t<updated>" . strftime("%Y-%m-%dT%H:%M:%SZ", $lastUpdate) . "</updated>\n");
  75         echo $feed;
  76 ?>
  77 </feed>
  78