* @author Martin Dougiamas, Tim Hunt and many others.
 * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
 * @package quiz
 */
require_once dirname(__FILE__) . '/../../config.php';
require_once 'locallib.php';
$attemptid = required_param('attempt', PARAM_INT);
// attempt id
$questionid = required_param('question', PARAM_INT);
// question id
$stateid = optional_param('state', 0, PARAM_INT);
// state id
$attemptobj = new quiz_attempt($attemptid);
/// Check login.
require_login($attemptobj->get_courseid(), false, $attemptobj->get_cm());
$attemptobj->check_review_capability();
/// Permissions checks for normal users who do not have quiz:viewreports capability.
if (!$attemptobj->has_capability('mod/quiz:viewreports')) {
    /// Can't review during the attempt - send them back to the attempt page.
    if (!$attemptobj->is_finished()) {
        notify(get_string('cannotreviewopen', 'quiz'));
        close_window_button();
    }
    /// Can't review other users' attempts.
    if (!$attemptobj->is_own_attempt()) {
        notify(get_string('notyourattempt', 'quiz'));
        close_window_button();
    }
    /// Can't review unless Students may review -> Responses option is turned on.
    if (!$options->responses) {
        $accessmanager = $attemptobj->get_access_manager(time());