function check_contest($data, $keydata = null)
{
if (isset($data['shortname']) && !preg_match(ID_REGEX, $data['shortname'])) {
ch_error("Contest shortname may only contain characters " . IDENTIFIER_CHARS . ".");
}
// are these dates valid?
foreach (array('starttime', 'endtime', 'freezetime', 'unfreezetime', 'activatetime', 'deactivatetime') as $f) {
// The true input date/time strings are preserved in the
// *_string variables, since these may be relative times
// that need to be kept as is.
$data[$f] = $data[$f . '_string'];
$data[$f] = check_relative_time($data[$f], $data['starttime'], $f);
}
// are required times specified?
foreach (array('activatetime', 'starttime', 'endtime') as $f) {
if (empty($data[$f])) {
ch_error("Contest {$f} is empty");
return $data;
}
}
// the ordering of times is:
// activatetime <= starttime <= freezetime < endtime <= unfreezetime <= deactivatetime
// are contest start/end times in order?
if (difftime($data['endtime'], $data['starttime']) <= 0) {
ch_error('Contest ends before it even starts');
}
if (!empty($data['freezetime'])) {
if (difftime($data['freezetime'], $data['endtime']) > 0 || difftime($data['freezetime'], $data['starttime']) < 0) {
ch_error('Freezetime is out of start/endtime range');
}
}
if (difftime($data['activatetime'], $data['starttime']) > 0) {
ch_error('Activate time is later than starttime');
}
if (!empty($data['unfreezetime'])) {
if (empty($data['freezetime'])) {
ch_error('Unfreezetime set but no freeze time. That makes no sense.');
}
if (difftime($data['unfreezetime'], $data['endtime']) < 0) {
ch_error('Unfreezetime must be larger than endtime.');
}
if (difftime($data['deactivatetime'], $data['unfreezetime']) < 0) {
ch_error('Deactivatetime must be larger than unfreezetime.');
}
} else {
if (!empty($data['deactivatetime']) && difftime($data['deactivatetime'], $data['endtime']) < 0) {
ch_error('Deactivatetime must be larger than endtime.');
}
}
return $data;
}
requireAdmin();
$docid = $_POST['cid'];
$time = key($_POST['donow']);
if (!in_array($time, $times)) {
error("Unknown value for timetype");
}
$now = floor($now);
$nowstring = strftime('%Y-%m-%d %H:%M:%S', $now);
auditlog('contest', $docid, $time . ' now', $nowstring);
// starttime is special because other, relative times depend on it.
if ($time == 'start') {
$docdata = $cdatas[$docid];
$docdata['starttime'] = $now;
$docdata['starttime_string'] = $nowstring;
foreach (array('endtime', 'freezetime', 'unfreezetime', 'activatetime', 'deactivatetime') as $f) {
$docdata[$f] = check_relative_time($docdata[$f . '_string'], $docdata['starttime'], $f);
}
$DB->q('UPDATE contest SET starttime = %s, starttime_string = %s,
endtime = %s, freezetime = %s, unfreezetime = %s,
activatetime = %s, deactivatetime = %s
WHERE cid = %i', $docdata['starttime'], $docdata['starttime_string'], $docdata['endtime'], $docdata['freezetime'], $docdata['unfreezetime'], $docdata['activatetime'], $docdata['deactivatetime'], $docid);
header("Location: ./contests.php?edited=1");
} else {
$DB->q('UPDATE contest SET ' . $time . 'time = %s, ' . $time . 'time_string = %s
WHERE cid = %i', $now, $nowstring, $docid);
header("Location: ./contests.php");
}
exit;
}
$title = 'Contests';
require LIBWWWDIR . '/header.php';
