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990650f94c
This was implemented by Matt Petro of the University of Wisconsin - Madison Engineering School and Math Department. Many thanks. Reviewed by and committed by Tim Hunt. This adds a new Overrides tab to the UI, with sub-tabs Group overrides and User overrides. Each of those lists all the overrides that currently exist, and lets you manage them and create more. When a quiz is being attempted, the override that applies to the current user is combined with the current quiz settings loaded from the quiz table (normally called $quiz). If there are both user and group overrides, then just the specific user override is used (more specific). If the user is in several groups, then the overrides are combined to give the most permissive set of options. There is one new database table quiz_overrides, to store the overrides.
98 lines
3.2 KiB
PHP
98 lines
3.2 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 handles deleting quiz overrides
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*
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* @package mod_quiz
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* @copyright 2010 Matt Petro
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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/lib.php');
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require_once($CFG->dirroot.'/mod/quiz/locallib.php');
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require_once($CFG->dirroot.'/mod/quiz/override_form.php');
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$overrideid = required_param('id', PARAM_INT); // override ID
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$confirm = optional_param('confirm', false, PARAM_BOOL); // already confirmed?
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if (! $override = $DB->get_record('quiz_overrides', array('id' => $overrideid))) {
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print_error('invalidoverrideid', 'quiz');
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}
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if (! $quiz = $DB->get_record('quiz', array('id' => $override->quiz))) {
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print_error('invalidcoursemodule');
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}
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if (! $cm = get_coursemodule_from_instance("quiz", $quiz->id, $quiz->course)) {
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print_error('invalidcoursemodule');
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}
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$context = get_context_instance(CONTEXT_MODULE, $cm->id);
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require_login($cm->course, false, $cm);
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// Check the user has the required capabilities to modify an override
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require_capability('mod/quiz:manageoverrides', $context);
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$url = new moodle_url('/mod/quiz/overridedelete.php', array('id'=>$override->id));
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$confirmurl = new moodle_url($url, array('id'=>$override->id, 'confirm'=>1));
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$cancelurl = new moodle_url('/mod/quiz/overrides.php', array('cmid'=>$cm->id));
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if (!empty($override->userid)) {
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$cancelurl->param('mode', 'user');
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}
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// If confirm is set (PARAM_BOOL) then we have confirmation of intention to delete
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if ($confirm) {
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// Confirm the session key to stop CSRF
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require_sesskey();
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// Remove the override
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quiz_delete_override($quiz, $override->id);
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add_to_log($cm->course, 'quiz', 'delete override',
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"overrides.php?cmid=$cm->id", $quiz->id, $cm->id);
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// And redirect
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redirect($cancelurl);
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}
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// Prepare the page to show the confirmation form
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$stroverride = get_string('override', 'quiz');
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$title = get_string('deletecheck', null, $stroverride);
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$PAGE->set_url($url);
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$PAGE->navbar->add($title);
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$PAGE->set_title($title);
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$PAGE->set_heading($stroverride);
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echo $OUTPUT->header();
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if ($override->groupid) {
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$group = $DB->get_record('groups', array('id' => $override->groupid), 'id,name');
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$confirmstr = get_string("overridedeletegroupsure", "quiz", $group->name);
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}
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else {
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$user = $DB->get_record('user', array('id' => $override->userid), 'id,firstname,lastname');
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$confirmstr = get_string("overridedeleteusersure", "quiz", fullname($user));
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}
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echo $OUTPUT->confirm($confirmstr, $confirmurl, $cancelurl);
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echo $OUTPUT->footer();
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