mirror of
https://github.com/moodle/moodle.git
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132 lines
4.5 KiB
PHP
132 lines
4.5 KiB
PHP
<?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
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* @subpackage 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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require_once(dirname(__FILE__) . '/../../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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$attemptid = required_param('attempt', PARAM_INT);
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$next = optional_param('next', false, PARAM_BOOL);
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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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$finishattempt = optional_param('finishattempt', 0, PARAM_BOOL);
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$timeup = optional_param('timeup', 0, PARAM_BOOL); // True if form was submitted by timer.
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$scrollpos = optional_param('scrollpos', '', PARAM_RAW);
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$transaction = $DB->start_delegated_transaction();
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$attemptobj = quiz_attempt::create($attemptid);
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// Set $nexturl now.
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if ($next) {
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$page = $nextpage;
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} else {
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$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(0, $page);
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if ($scrollpos !== '') {
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$nexturl->param('scrollpos', $scrollpos);
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}
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}
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// We treat automatically closed attempts just like normally closed attempts
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if ($timeup) {
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$finishattempt = 1;
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}
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// Check login.
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require_login($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() != $USER->id) {
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throw new moodle_quiz_exception($attemptobj->get_quizobj(), 'notyourattempt');
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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 ($attemptobj->is_finished()) {
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throw new moodle_quiz_exception($attemptobj->get_quizobj(),
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'attemptalreadyclosed', null, $attemptobj->review_url());
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}
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// Don't log - we will end with a redirect to a page that is logged.
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if (!$finishattempt) {
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// Just process the responses for this page and go to the next page.
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try {
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$attemptobj->process_all_actions($timenow);
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} catch (question_out_of_sequence_exception $e) {
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print_error('submissionoutofsequencefriendlymessage', 'question',
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$attemptobj->attempt_url(0, $thispage));
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}
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$transaction->allow_commit();
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redirect($nexturl);
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}
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// Otherwise, we have been asked to finish attempt, so do that.
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// Log the end of this attempt.
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add_to_log($attemptobj->get_courseid(), 'quiz', 'close attempt',
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'review.php?attempt=' . $attemptobj->get_attemptid(),
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$attemptobj->get_quizid(), $attemptobj->get_cmid());
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// Update the quiz attempt record.
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$attemptobj->finish_attempt($timenow);
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// Trigger event
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$eventdata = new stdClass();
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$eventdata->component = 'mod_quiz';
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$eventdata->course = $attemptobj->get_courseid();
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$eventdata->quiz = $attemptobj->get_quizid();
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$eventdata->cm = $attemptobj->get_cmid();
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$eventdata->user = $USER;
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$eventdata->attempt = $attemptobj->get_attemptid();
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events_trigger('quiz_attempt_processed', $eventdata);
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// Clear the password check flag in the session.
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$accessmanager = $attemptobj->get_access_manager($timenow);
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$accessmanager->clear_password_access();
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// Send the user to the review page.
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$transaction->allow_commit();
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redirect($attemptobj->review_url());
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