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94 lines
3.5 KiB
94 lines
3.5 KiB
2 years ago
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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 is the entry page into the quiz UI. Displays information about the
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* quiz to students and teachers, and lets students see their previous attempts.
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*
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* @package mod_quiz
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* @category grade
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* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
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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(__DIR__ . '/../../config.php');
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require_once($CFG->dirroot . '/mod/quiz/locallib.php');
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require_once($CFG->dirroot . '/mod/quiz/report/reportlib.php');
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$id = required_param('id', PARAM_INT);
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$userid = optional_param('userid', 0, PARAM_INT);
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$cm = get_coursemodule_from_id('quiz', $id, 0, false, MUST_EXIST);
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$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
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$quiz = $DB->get_record('quiz', array('id' => $cm->instance), '*', MUST_EXIST);
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require_login($course, false, $cm);
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$reportlist = quiz_report_list(context_module::instance($cm->id));
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if (empty($reportlist) || $userid == $USER->id) {
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// If the user cannot see reports, or can see reports but is looking
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// at their own grades, redirect them to the view.php page.
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// (The looking at their own grades case is unlikely, since users who
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// appear in the gradebook are unlikely to be able to see quiz reports,
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// but it is possible.)
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redirect(new moodle_url('/mod/quiz/view.php', array('id' => $cm->id)));
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}
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// Now we know the user is interested in reports. If they are interested in a
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// specific other user, try to send them to the most appropriate attempt review page.
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if ($userid) {
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// Work out which attempt is most significant from a grading point of view.
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$attempts = quiz_get_user_attempts($quiz->id, $userid, 'finished');
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$attempt = null;
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switch ($quiz->grademethod) {
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case QUIZ_ATTEMPTFIRST:
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$attempt = reset($attempts);
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break;
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case QUIZ_ATTEMPTLAST:
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case QUIZ_GRADEAVERAGE:
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$attempt = end($attempts);
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break;
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case QUIZ_GRADEHIGHEST:
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$maxmark = 0;
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foreach ($attempts as $at) {
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// Operator >=, since we want to most recent relevant attempt.
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if ((float) $at->sumgrades >= $maxmark) {
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$maxmark = $at->sumgrades;
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$attempt = $at;
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}
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}
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break;
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}
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// If the user can review the relevant attempt, redirect to it.
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if ($attempt) {
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$attemptobj = new quiz_attempt($attempt, $quiz, $cm, $course, false);
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if ($attemptobj->is_review_allowed()) {
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redirect($attemptobj->review_url());
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}
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}
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// Otherwise, fall thorugh to the generic case.
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}
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// Send the user to the first report they can see.
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redirect(new moodle_url('/mod/quiz/report.php', array(
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'id' => $cm->id, 'mode' => reset($reportlist))));
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