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[banana.git] / submit.php

<?php
  require 'nav.inc';

  $lines = file('var/sessions.txt');

  foreach ($lines as $line_num => $line) {
    $sessions[$line_num] = explode("\t",$line);
  }

  if ( strtotime("now") > strtotime(end($sessions)[0]) ) {
    print '<table bgcolor="red">';
      print '<tr><th><b><font color="white">submission closed</font></b></th><tr>';
    print '</table>';
    break;
  }

  if(isset($_POST['submit']) && $_POST['mnumber']!="") {
    require 'usercheck.inc';
    
    $exchecked = $_POST['exchecked'];

    $mnumber = $_POST['mnumber'];
    $sessionid = strtotime(end($sessions)[0]);

    if($db->query("SELECT COUNT(*) FROM workdone WHERE mnumber = $mnumber AND session = $sessionid")->fetch(PDO::FETCH_NUM)[0] == 1) {
      print '<table bgcolor="red">';
        print '<tr><th><b><font color="white">You already submitted results for this session</font></b></th><tr>';
      print '</table>';
      print "You can only submit your calculated examples once!";
      break;
    }

    $excount = count($exchecked);
    $donestring = implode(', ', $exchecked);

    $db->query("INSERT INTO workdone (mnumber,session,manydone,thisdone) 
        VALUES (\"$mnumber\", \"$sessionid\", \"$excount\", \"$donestring\")");

    print '<table bgcolor="lightgreen">';
      print '<tr><th><b><font color="white">submitted</font></b></th><tr>';
    print '</table>';
    break;
  }
?>

  <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
  <table bgcolor="black">
    <tr><th><b><font color="white">submit examples for <?php echo end($sessions)[0]; ?></font></b></th><tr>
  </table>

  <table>
    <tr>  
      <th align="left">Mat.nummer:</th> <th align="left"><input type="text" name="mnumber"></th>
    </tr>
    <tr>  
      <th align="left">Password:</th> <th align="left"><input type="text" name="password"></th>
    </tr>
 
    <tr><th colspan=2></th></tr>

    <tr>
      <th align="left">Examples:</th>
      <th>

        <?php
          $exnum=0;
          foreach (explode(",",end($sessions)[1]) as $exid) {
            print " <input type='checkbox' name='exchecked[]' value=$exid>$exid ";
            $exnum++;
            if ($exnum%3 == 0) { print ""; }
          }
        ?>
      </th>     
    </tr>

    <tr><th colspan=2></th></tr>

    <tr>
      <th align="left"><input type="submit" name="submit" value="Submit"></th> <th></th>
    </tr>
  </table>
</form>