/**
* Return access information for a given attempt in a quiz.
*
* @param int $quizid quiz instance id
* @param int $attemptid attempt id, 0 for the user last attempt if exists
* @return array of warnings and the access information
* @since Moodle 3.1
* @throws moodle_quiz_exception
*/
public static function get_attempt_access_information($quizid, $attemptid = 0)
{
global $DB, $USER;
$warnings = array();
$params = array('quizid' => $quizid, 'attemptid' => $attemptid);
$params = self::validate_parameters(self::get_attempt_access_information_parameters(), $params);
list($quiz, $course, $cm, $context) = self::validate_quiz($params['quizid']);
$attempttocheck = 0;
if (!empty($params['attemptid'])) {
$attemptobj = quiz_attempt::create($params['attemptid']);
if ($attemptobj->get_userid() != $USER->id) {
throw new moodle_quiz_exception($attemptobj->get_quizobj(), 'notyourattempt');
}
$attempttocheck = $attemptobj->get_attempt();
}
// Access manager now.
$quizobj = quiz::create($cm->instance, $USER->id);
$ignoretimelimits = has_capability('mod/quiz:ignoretimelimits', $context, null, false);
$timenow = time();
$accessmanager = new quiz_access_manager($quizobj, $timenow, $ignoretimelimits);
$attempts = quiz_get_user_attempts($quiz->id, $USER->id, 'finished', true);
$lastfinishedattempt = end($attempts);
if ($unfinishedattempt = quiz_get_user_attempt_unfinished($quiz->id, $USER->id)) {
$attempts[] = $unfinishedattempt;
// Check if the attempt is now overdue. In that case the state will change.
$quizobj->create_attempt_object($unfinishedattempt)->handle_if_time_expired(time(), false);
if ($unfinishedattempt->state != quiz_attempt::IN_PROGRESS and $unfinishedattempt->state != quiz_attempt::OVERDUE) {
$lastfinishedattempt = $unfinishedattempt;
}
}
$numattempts = count($attempts);
if (!$attempttocheck) {
$attempttocheck = $unfinishedattempt ? $unfinishedattempt : $lastfinishedattempt;
}
$result = array();
$result['isfinished'] = $accessmanager->is_finished($numattempts, $lastfinishedattempt);
$result['preventnewattemptreasons'] = $accessmanager->prevent_new_attempt($numattempts, $lastfinishedattempt);
if ($attempttocheck) {
$endtime = $accessmanager->get_end_time($attempttocheck);
$result['endtime'] = $endtime === false ? 0 : $endtime;
$attemptid = $unfinishedattempt ? $unfinishedattempt->id : null;
$result['ispreflightcheckrequired'] = $accessmanager->is_preflight_check_required($attemptid);
}
$result['warnings'] = $warnings;
return $result;
}
$viewobj->markcolumn = $viewobj->gradecolumn && $quiz->grade != $quiz->sumgrades;
$viewobj->overallstats = $lastfinishedattempt && $alloptions->marks >= question_display_options::MARK_AND_MAX;
$viewobj->feedbackcolumn = quiz_has_feedback($quiz) && $alloptions->overallfeedback;
}
$viewobj->timenow = $timenow;
$viewobj->numattempts = $numattempts;
$viewobj->mygrade = $mygrade;
$viewobj->moreattempts = $unfinished || !$accessmanager->is_finished($numattempts, $lastfinishedattempt);
$viewobj->mygradeoverridden = $mygradeoverridden;
$viewobj->gradebookfeedback = $gradebookfeedback;
$viewobj->lastfinishedattempt = $lastfinishedattempt;
$viewobj->canedit = has_capability('mod/quiz:manage', $context);
$viewobj->editurl = new moodle_url('/mod/quiz/edit.php', array('cmid' => $cm->id));
$viewobj->backtocourseurl = new moodle_url('/course/view.php', array('id' => $course->id));
$viewobj->startattempturl = $quizobj->start_attempt_url();
if ($accessmanager->is_preflight_check_required($unfinishedattemptid)) {
$viewobj->preflightcheckform = $accessmanager->get_preflight_check_form($viewobj->startattempturl, $unfinishedattemptid);
}
$viewobj->popuprequired = $accessmanager->attempt_must_be_in_popup();
$viewobj->popupoptions = $accessmanager->get_popup_options();
// Display information about this quiz.
$viewobj->infomessages = $viewobj->accessmanager->describe_rules();
if ($quiz->attempts != 1) {
$viewobj->infomessages[] = get_string('gradingmethod', 'quiz', quiz_get_grading_option_name($quiz->grademethod));
}
// Determine wheter a start attempt button should be displayed.
$viewobj->quizhasquestions = $quizobj->has_questions();
$viewobj->preventmessages = array();
if (!$viewobj->quizhasquestions) {
$viewobj->buttontext = '';
} else {
