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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* This page deals with processing responses during an attempt at a quiz.
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*
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* People will normally arrive here from a form submission on attempt.php or
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* summary.php, and once the responses are processed, they will be redirected to
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* attempt.php or summary.php.
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*
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* This code used to be near the top of attempt.php, if you are looking for CVS history.
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*
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* @package mod_quiz
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* @copyright 2009 Tim Hunt
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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use mod_quiz\quiz_attempt;
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require_once(__DIR__ . '/../../config.php');
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require_once($CFG->dirroot . '/mod/quiz/locallib.php');
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// Remember the current time as the time any responses were submitted
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// (so as to make sure students don't get penalized for slow processing on this page).
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$timenow = time();
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// Get submitted parameters.
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$attemptid = required_param('attempt', PARAM_INT);
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$thispage = optional_param('thispage', 0, PARAM_INT);
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$nextpage = optional_param('nextpage', 0, PARAM_INT);
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$previous = optional_param('previous', false, PARAM_BOOL);
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$next = optional_param('next', false, PARAM_BOOL);
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$finishattempt = optional_param('finishattempt', false, PARAM_BOOL);
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$timeup = optional_param('timeup', 0, PARAM_BOOL); // True if form was submitted by timer.
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$mdlscrollto = optional_param('mdlscrollto', '', PARAM_RAW);
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$cmid = optional_param('cmid', null, PARAM_INT);
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$attemptobj = quiz_create_attempt_handling_errors($attemptid, $cmid);
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// Set $nexturl now.
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if ($next) {
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$page = $nextpage;
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} else if ($previous && $thispage > 0) {
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$page = $thispage - 1;
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} else {
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$page = $thispage;
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}
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if ($page == -1) {
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$nexturl = $attemptobj->summary_url();
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} else {
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$nexturl = $attemptobj->attempt_url(null, $page);
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if ($mdlscrollto !== '') {
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$nexturl->param('mdlscrollto', $mdlscrollto);
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}
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}
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// Check login.
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require_login($attemptobj->get_course(), false, $attemptobj->get_cm());
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require_sesskey();
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// Check that this attempt belongs to this user.
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if ($attemptobj->get_userid() != $USER->id) {
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throw new moodle_exception('notyourattempt', 'quiz', $attemptobj->view_url());
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}
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// Check capabilities.
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if (!$attemptobj->is_preview_user()) {
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$attemptobj->require_capability('mod/quiz:attempt');
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}
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// If the attempt is already closed, send them to the review page.
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if ($attemptobj->is_finished()) {
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throw new moodle_exception('attemptalreadyclosed', 'quiz', $attemptobj->view_url());
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}
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// If this page cannot be accessed, notify user and send them to the correct page.
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if (!$finishattempt && !$attemptobj->check_page_access($thispage)) {
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throw new moodle_exception('submissionoutofsequencefriendlymessage', 'question',
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$attemptobj->attempt_url(null, $attemptobj->get_currentpage()));
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}
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// Process the attempt, getting the new status for the attempt.
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$status = $attemptobj->process_attempt($timenow, $finishattempt, $timeup, $thispage);
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if ($status == quiz_attempt::OVERDUE) {
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redirect($attemptobj->summary_url());
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} else if ($status == quiz_attempt::IN_PROGRESS) {
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redirect($nexturl);
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} else {
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// Attempt abandoned or finished.
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redirect($attemptobj->review_url());
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}
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