foreach ($all as $chal) {
$lst[] = load_full_challenge($chal);
}
$dsp = [];
foreach ($lst as $item) {
$cat = $item['category'];
$dsp[$cat][] = ["points" => $item['points'], "id" => $item['challenge_id']];
}
foreach ($dsp as $cname => $category) {
echo "<div class=\"row\">";
echo "<div class=\"cname\">" . htmlentities($cname) . "</div>";
foreach ($category as $questiondata) {
$question = htmlentities($questiondata['points']);
$id = htmlentities($questiondata['id']);
$class = "";
if (check_has_solved($id)) {
$class = "solved";
}
echo <<<HTML
<div class="question {$class}" onclick="load_question({$id})">
\t{$question}
</div>
HTML;
}
echo "</div>";
}
}
} else {
echo "<h1>You must be on a team to compete!</h1>";
}
?>
case 'list':
$cs = load_challenges();
$qs = [];
foreach ($cs as $item) {
$fc = load_full_challenge($item);
$qs[] = json_encode(['qtext' => $fc['qtext'], 'challenge_id' => $fc['challenge_id'], 'points' => $fc['points'], 'category' => $fc['category']]);
}
echo json_encode($qs);
break;
case 'verify':
if (!(isset($_POST['id']) && isset($_POST['answer']))) {
die('ID or answer not provided to verify question.');
}
$id = $conn->real_escape_string($_POST['id']);
$ans = $conn->real_escape_string($_POST['answer']);
$hassolved = check_has_solved($id);
if ($hassolved) {
die('You have already solved this question!');
}
$v = verify_challenge($id, $ans);
if ($v) {
set_has_solved($id);
echo 'OK';
} else {
echo 'Incorrect.';
}
break;
case 'modify':
if (!(isset($_POST['id']) && isset($_POST['q']) && isset($_POST['a']) && isset($_POST['cat']) && isset($_POST['points']))) {
die("Insufficient data to update challenge.");
}
