}
$moveselectedpos = $pagebreakpositions[$moveselectedonpage - 1];
// Do the move.
array_splice($questions, $moveselectedpos, 0, $selectedquestionids);
$quiz->questions = implode(',', $questions);
// Update the database.
$DB->set_field('quiz', 'questions', $quiz->questions, array('id' => $quiz->id));
$deletepreviews = true;
}
// If rescaling is required save the new maximum.
$maxgrade = unformat_float(optional_param('maxgrade', -1, PARAM_RAW));
if ($maxgrade >= 0) {
quiz_set_grade($maxgrade, $quiz);
}
if ($deletepreviews) {
quiz_delete_previews($quiz);
}
if ($recomputesummarks) {
quiz_update_sumgrades($quiz);
quiz_update_all_attempt_sumgrades($quiz);
quiz_update_all_final_grades($quiz);
quiz_update_grades($quiz, 0, true);
}
redirect($afteractionurl);
}
$questionbank->process_actions($thispageurl, $cm);
// End of process commands =====================================================
$PAGE->requires->yui2_lib('container');
$PAGE->requires->yui2_lib('dragdrop');
$PAGE->requires->skip_link_to('questionbank', get_string('skipto', 'access', get_string('questionbank', 'question')));
$PAGE->requires->skip_link_to('quizcontentsblock', get_string('skipto', 'access', get_string('questionsinthisquiz', 'quiz')));
if ($lastattempt && !$lastattempt->preview && !$quizobj->is_preview_user()) {
$lastattemptid = $lastattempt->id;
$attemptnumber = $lastattempt->attempt + 1;
} else {
$lastattempt = false;
$lastattemptid = false;
$attemptnumber = 1;
}
/// Check access.
$messages = $accessmanager->prevent_access() + $accessmanager->prevent_new_attempt($attemptnumber - 1, $lastattempt);
if (!$quizobj->is_preview_user() && $messages) {
print_error('attempterror', 'quiz', $quizobj->view_url(), $accessmanager->print_messages($messages, true));
}
$accessmanager->do_password_check($quizobj->is_preview_user());
/// Delete any previous preview attempts belonging to this user.
quiz_delete_previews($quiz, $USER->id);
/// Create the new attempt and initialize the question sessions
$attempt = quiz_create_attempt($quiz, $attemptnumber, $lastattempt, time(), $quizobj->is_preview_user());
/// Save the attempt in the database.
if (!($attempt->id = $DB->insert_record('quiz_attempts', $attempt))) {
quiz_error($quiz, 'newattemptfail');
}
/// Log the new attempt.
if ($attempt->preview) {
add_to_log($course->id, 'quiz', 'preview', 'view.php?id=' . $quizobj->get_cmid(), $quizobj->get_quizid(), $quizobj->get_cmid());
} else {
add_to_log($course->id, 'quiz', 'attempt', 'review.php?attempt=' . $attempt->id, $quizobj->get_quizid(), $quizobj->get_cmid());
}
/// Fully load all the questions in this quiz.
$quizobj->preload_questions();
$quizobj->load_questions();
/**
* Update the database after $quiz->questions has been changed. For example,
* this deletes preview attempts and updates $quiz->sumgrades.
* @param $quiz the quiz object.
*/
function quiz_save_new_layout($quiz) {
global $DB;
$DB->set_field('quiz', 'questions', $quiz->questions, array('id' => $quiz->id));
quiz_delete_previews($quiz);
quiz_update_sumgrades($quiz);
}
/**
* Given an object containing all the necessary data,
* (defined by the form in mod_form.php) this function
* will update an existing instance with new data.
*
* @param object $quiz the data that came from the form.
* @return mixed true on success, false or a string error message on failure.
*/
function quiz_update_instance($quiz, $mform)
{
global $CFG, $DB;
require_once $CFG->dirroot . '/mod/quiz/locallib.php';
// Process the options from the form.
$result = quiz_process_options($quiz);
if ($result && is_string($result)) {
return $result;
}
// Get the current value, so we can see what changed.
$oldquiz = $DB->get_record('quiz', array('id' => $quiz->instance));
// We need two values from the existing DB record that are not in the form,
// in some of the function calls below.
$quiz->sumgrades = $oldquiz->sumgrades;
$quiz->grade = $oldquiz->grade;
// Repaginate, if asked to.
if (!$quiz->shufflequestions && !empty($quiz->repaginatenow)) {
$quiz->questions = quiz_repaginate(quiz_clean_layout($oldquiz->questions, true), $quiz->questionsperpage);
}
unset($quiz->repaginatenow);
// Update the database.
$quiz->id = $quiz->instance;
$DB->update_record('quiz', $quiz);
// Do the processing required after an add or an update.
quiz_after_add_or_update($quiz);
if ($oldquiz->grademethod != $quiz->grademethod) {
quiz_update_all_final_grades($quiz);
quiz_update_grades($quiz);
}
$quizdateschanged = $oldquiz->timelimit != $quiz->timelimit || $oldquiz->timeclose != $quiz->timeclose || $oldquiz->graceperiod != $quiz->graceperiod;
if ($quizdateschanged) {
quiz_update_open_attempts(array('quizid' => $quiz->id));
}
// Delete any previous preview attempts.
quiz_delete_previews($quiz);
return true;
}
$accessmanager->setup_attempt_page($PAGE);
if (empty($quizobj->get_quiz()->showblocks)) {
$PAGE->blocks->show_only_fake_blocks();
}
echo $output->start_attempt_page($quizobj, $mform);
die;
}
}
// Pre-flight check passed.
$accessmanager->notify_preflight_check_passed($currentattemptid);
}
if ($currentattemptid) {
redirect($quizobj->attempt_url($currentattemptid, $page));
}
// Delete any previous preview attempts belonging to this user.
quiz_delete_previews($quizobj->get_quiz(), $USER->id);
$quba = question_engine::make_questions_usage_by_activity('mod_quiz', $quizobj->get_context());
$quba->set_preferred_behaviour($quizobj->get_quiz()->preferredbehaviour);
// Create the new attempt and initialize the question sessions
$timenow = time();
// Update time now, in case the server is running really slowly.
$attempt = quiz_create_attempt($quizobj, $attemptnumber, $lastattempt, $timenow, $quizobj->is_preview_user());
if (!($quizobj->get_quiz()->attemptonlast && $lastattempt)) {
// Starting a normal, new, quiz attempt.
// Fully load all the questions in this quiz.
$quizobj->preload_questions();
$quizobj->load_questions();
// Add them all to the $quba.
$idstoslots = array();
$questionsinuse = array_keys($quizobj->get_questions());
foreach ($quizobj->get_questions() as $i => $questiondata) {
/**
* This adds a particular question to the supplied quiz. Based on /mod/quiz/edit.php
*
* @param int $questionid
* @param stdClass $quiz
* @return void
*/
public function add_question_to_quiz($questionid, $quiz)
{
quiz_require_question_use($questionid);
quiz_add_quiz_question($questionid, $quiz, 0);
quiz_delete_previews($quiz);
quiz_update_sumgrades($quiz);
}
/**
* Prepare and start a new attempt deleting the previous preview attempts.
*
* @param quiz $quizobj quiz object
* @param int $attemptnumber the attempt number
* @param object $lastattempt last attempt object
* @param bool $offlineattempt whether is an offline attempt or not
* @return object the new attempt
* @since Moodle 3.1
*/
function quiz_prepare_and_start_new_attempt(quiz $quizobj, $attemptnumber, $lastattempt, $offlineattempt = false)
{
global $DB, $USER;
// Delete any previous preview attempts belonging to this user.
quiz_delete_previews($quizobj->get_quiz(), $USER->id);
$quba = question_engine::make_questions_usage_by_activity('mod_quiz', $quizobj->get_context());
$quba->set_preferred_behaviour($quizobj->get_quiz()->preferredbehaviour);
// Create the new attempt and initialize the question sessions
$timenow = time();
// Update time now, in case the server is running really slowly.
$attempt = quiz_create_attempt($quizobj, $attemptnumber, $lastattempt, $timenow, $quizobj->is_preview_user());
if (!($quizobj->get_quiz()->attemptonlast && $lastattempt)) {
$attempt = quiz_start_new_attempt($quizobj, $quba, $attempt, $attemptnumber, $timenow);
} else {
$attempt = quiz_start_attempt_built_on_last($quba, $attempt, $lastattempt);
}
$transaction = $DB->start_delegated_transaction();
// Init the timemodifiedoffline for offline attempts.
if ($offlineattempt) {
$attempt->timemodifiedoffline = $attempt->timemodified;
}
$attempt = quiz_attempt_save_started($quizobj, $quba, $attempt);
$transaction->allow_commit();
return $attempt;
}
function RWSAAQRand()
{
global $CFG;
global $DB;
global $RWSUID;
RWSCMAuth();
RWSCRAuth();
RWSCMUSvc();
RWSCMMaint();
$r_pm = RWSGSOpt("quizid", PARAM_ALPHANUM);
if ($r_pm === false || strlen($r_pm) == 0) {
RWSSErr("2067");
}
$r_qzmi = intval($r_pm);
$r_cmod = RWSCMUQuiz($r_qzmi);
$r_cid = $r_cmod->course;
RWSCMUCourse($r_cid, true);
$r_mr = $DB->get_record("modules", array("id" => $r_cmod->module));
if ($r_mr === false) {
RWSSErr("2043");
}
$r_qiz = $DB->get_record($r_mr->name, array("id" => $r_cmod->instance));
if ($r_qiz === false) {
RWSSErr("2044");
}
$r_pm = RWSGSOpt("qcatid", PARAM_ALPHANUM);
if ($r_pm === false || strlen($r_pm) == 0) {
RWSSErr("2064");
}
$r_qci = intval($r_pm);
$r_qca = $DB->get_record("question_categories", array("id" => $r_qci));
if ($r_qca === false) {
RWSSErr("2065");
}
if (respondusws_floatcompare($CFG->version, 2013111800, 2) >= 0) {
$r_ctx = context::instance_by_id($r_qca->contextid);
} else {
$r_ctx = get_context_instance_by_id($r_qca->contextid);
}
$r_qcci = RWSGCFCat($r_ctx);
if ($r_qcci != $r_cid) {
if (is_siteadmin($RWSUID)) {
if ($r_qcci != SITEID) {
RWSSErr("2109");
}
} else {
RWSSErr("2084");
}
}
$r_pm = RWSGSOpt("qcount", PARAM_ALPHANUM);
if ($r_pm === false || strlen($r_pm) == 0) {
RWSSErr("2085");
}
$r_qct = intval($r_pm);
if ($r_qct <= 0) {
RWSSErr("2085");
}
$r_pm = RWSGSOpt("qgrade", PARAM_NOTAGS);
if ($r_pm === false || strlen($r_pm) == 0) {
RWSSErr("2086");
}
$r_qg = round(floatval($r_pm));
if ($r_qg <= 0) {
RWSSErr("2086");
}
$r_mr = $DB->get_record("modules", array("id" => $r_cmod->module));
if ($r_mr === false) {
RWSSErr("2043");
}
$r_qiz = $DB->get_record($r_mr->name, array("id" => $r_cmod->instance));
if ($r_qiz === false) {
RWSSErr("2044");
}
if (!isset($r_qiz->instance)) {
$r_qiz->instance = $r_qiz->id;
}
$r_aerr = 0;
for ($r_i = 0; $r_i < $r_qct; $r_i++) {
$r_qst = new stdClass();
$r_qst->qtype = RWSRND;
$r_qst->parent = 0;
$r_qst->hidden = 0;
$r_qst->length = 1;
$r_qst->questiontext = 1;
if (respondusws_floatcompare($CFG->version, 2011070100, 2) >= 0) {
$r_rqt = question_bank::get_qtype("random");
$r_qst->name = $r_rqt->question_name($r_qca, !empty($r_qst->questiontext));
} else {
$r_qst->name = random_qtype::question_name($r_qca, !empty($r_qst->questiontext));
}
$r_qst->questiontextformat = FORMAT_HTML;
$r_qst->penalty = 0;
if (respondusws_floatcompare($CFG->version, 2011070100, 2) >= 0) {
$r_qst->defaultmark = $r_qg;
} else {
$r_qst->defaultgrade = $r_qg;
}
$r_qst->generalfeedback = "";
$r_qst->generalfeedbackformat = FORMAT_HTML;
$r_qst->category = $r_qca->id;
$r_qst->stamp = make_unique_id_code();
$r_qst->createdby = $RWSUID;
$r_qst->modifiedby = $RWSUID;
$r_qst->timecreated = time();
$r_qst->timemodified = time();
$r_qst->id = $DB->insert_record("question", $r_qst);
$DB->set_field("question", "parent", $r_qst->id, array("id" => $r_qst->id));
$r_h = question_hash($r_qst);
$DB->set_field("question", "version", $r_h, array("id" => $r_qst->id));
if (respondusws_floatcompare($CFG->version, 2011070100, 2) >= 0) {
quiz_add_quiz_question($r_qst->id, $r_qiz);
} else {
$r_ok = quiz_add_quiz_question($r_qst->id, $r_qiz);
if (!$r_ok) {
$DB->delete_records("question", array("id" => $r_qst->id));
$r_aerr++;
}
}
}
if ($r_aerr > 0) {
RWSSErr("2087,{$r_aerr}");
}
if ($r_aerr < $r_qct) {
quiz_delete_previews($r_qiz);
}
if (respondusws_floatcompare($CFG->version, 2014051200, 2) >= 0) {
quiz_update_sumgrades($r_qiz);
} else {
$r_qiz->grades = quiz_get_all_question_grades($r_qiz);
$r_sumg = array_sum($r_qiz->grades);
$DB->set_field("quiz", "sumgrades", $r_sumg, array("id" => $r_qiz->id));
}
RWSSStat("1006");
}
private static function accessmanager_process($quizobj, $accessmanager, $forcenew, $uid)
{
self::new_preview_request($quizobj, $accessmanager, $forcenew, $uid);
// Look for an existing attempt.
$attempts = quiz_get_user_attempts($quizobj->get_quizid(), $uid, 'all', true);
$lastattempt = end($attempts);
// Get number for the next or unfinished attempt.
if ($lastattempt && !$lastattempt->preview && !$quizobj->is_preview_user()) {
$attemptnumber = $lastattempt->attempt + 1;
} else {
$lastattempt = false;
$attemptnumber = 1;
}
$currentattemptid = null;
$accessmanager->notify_preflight_check_passed($currentattemptid);
// Delete any previous preview attempts belonging to this user.
quiz_delete_previews($quizobj->get_quiz(), $uid);
$res = new stdClass();
$res->lastattempt = $lastattempt;
$res->attemptnumber = $attemptnumber;
return $res;
}
/**
* Given an object containing all the necessary data,
* (defined by the form in mod_form.php) this function
* will update an existing instance with new data.
*
* @param object $quiz the data that came from the form.
* @return mixed true on success, false or a string error message on failure.
*/
function quiz_update_instance($quiz, $mform) {
global $CFG, $DB;
// Process the options from the form.
$result = quiz_process_options($quiz);
if ($result && is_string($result)) {
return $result;
}
$oldquiz = $DB->get_record('quiz', array('id' => $quiz->instance));
// Repaginate, if asked to.
if (!$quiz->shufflequestions && !empty($quiz->repaginatenow)) {
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
$quiz->questions = quiz_repaginate(quiz_clean_layout($oldquiz->questions, true),
$quiz->questionsperpage);
}
unset($quiz->repaginatenow);
// Update the database.
$quiz->id = $quiz->instance;
$DB->update_record('quiz', $quiz);
// Do the processing required after an add or an update.
quiz_after_add_or_update($quiz);
if ($oldquiz->grademethod != $quiz->grademethod) {
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
$quiz->sumgrades = $oldquiz->sumgrades;
$quiz->grade = $oldquiz->grade;
quiz_update_all_final_grades($quiz);
quiz_update_grades($quiz);
}
// Delete any previous preview attempts.
quiz_delete_previews($quiz);
return true;
}
