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cbb8b55c33
This avoids the problem that you cannot send messages in transactions. It also means that the quiz submission will not be prevented, and the message will still be sent eventually, if any part of the messaging system is giving intermittent errors when the student wants to submit their quiz.
118 lines
4.0 KiB
PHP
118 lines
4.0 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($timenow);
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// Send the user to the review page.
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$transaction->allow_commit();
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redirect($attemptobj->review_url());
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