Current File : //home2/vacivi36/ava/question/bank/deletequestion/delete.php
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Delete question page.
*
* This code is based on question/classes/bank/view.php
*
* @package qbank_deletequestion
* @copyright 2021 Catalyst IT Australia Pty Ltd
* @author Safat Shahin <safatshahin@catalyst-au.net>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once(__DIR__ . '/../../../config.php');
require_once(__DIR__ . '/../../editlib.php');
global $DB, $OUTPUT, $PAGE, $COURSE;
$deleteselected = optional_param('deleteselected', false, PARAM_BOOL);
$returnurl = optional_param('returnurl', 0, PARAM_LOCALURL);
$cmid = optional_param('cmid', 0, PARAM_INT);
$courseid = optional_param('courseid', 0, PARAM_INT);
if ($returnurl) {
$returnurl = new moodle_url($returnurl);
}
\core_question\local\bank\helper::require_plugin_enabled('qbank_deletequestion');
if ($cmid) {
list($module, $cm) = get_module_from_cmid($cmid);
require_login($cm->course, false, $cm);
$thiscontext = context_module::instance($cmid);
} else if ($courseid) {
require_login($courseid, false);
$thiscontext = context_course::instance($courseid);
} else {
throw new moodle_exception('missingcourseorcmid', 'question');
}
$contexts = new core_question\local\bank\question_edit_contexts($thiscontext);
$url = new moodle_url('/question/bank/deletequestion/delete.php');
$PAGE->set_url($url);
$streditingquestions = get_string('deletequestion', 'qbank_deletequestion');
$PAGE->set_title($streditingquestions);
$PAGE->set_heading($COURSE->fullname);
$PAGE->activityheader->disable();
$PAGE->set_secondary_active_tab("questionbank");
// Unhide a question.
if (($unhide = optional_param('unhide', '', PARAM_INT)) and confirm_sesskey()) {
question_require_capability_on($unhide, 'edit');
$DB->set_field('question_versions', 'status',
\core_question\local\bank\question_version_status::QUESTION_STATUS_READY, ['questionid' => $unhide]);
// Purge these questions from the cache.
\question_bank::notify_question_edited($unhide);
redirect($returnurl);
}
// If user has already confirmed the action.
if ($deleteselected && ($confirm = optional_param('confirm', '', PARAM_ALPHANUM))
&& confirm_sesskey()) {
$deleteselected = required_param('deleteselected', PARAM_RAW);
if ($confirm == md5($deleteselected)) {
if ($questionlist = explode(',', $deleteselected)) {
// For each question either hide it if it is in use or delete it.
foreach ($questionlist as $questionid) {
$questionid = (int)$questionid;
question_require_capability_on($questionid, 'edit');
if (questions_in_use(array($questionid))) {
$DB->set_field('question_versions', 'status',
\core_question\local\bank\question_version_status::QUESTION_STATUS_HIDDEN, ['questionid' => $questionid]);
} else {
question_delete_question($questionid);
}
}
}
redirect($returnurl);
} else {
throw new \moodle_exception('invalidconfirm', 'question');
}
}
echo $OUTPUT->header();
if ($deleteselected) {
// Make a list of all the questions that are selected.
$rawquestions = $_REQUEST; // This code is called by both POST forms and GET links, so cannot use data_submitted.
$questionlist = ''; // Comma separated list of ids of questions to be deleted.
$questionnames = ''; // String with names of questions separated by <br/> with an asterix in front of those that are in use.
$inuse = false; // Set to true if at least one of the questions is in use.
foreach ($rawquestions as $key => $value) { // Parse input for question ids.
if (preg_match('!^q([0-9]+)$!', $key, $matches)) {
$key = $matches[1];
$questionlist .= $key.',';
question_require_capability_on((int)$key, 'edit');
if (questions_in_use(array($key))) {
$questionnames .= '* ';
$inuse = true;
}
$questionnames .= $DB->get_field('question', 'name', array('id' => $key)) . '<br />';
}
}
if (!$questionlist) { // No questions were selected.
redirect($returnurl);
}
$questionlist = rtrim($questionlist, ',');
// Add an explanation about questions in use.
if ($inuse) {
$questionnames .= '<br />'.get_string('questionsinuse', 'question');
}
$deleteurl = new \moodle_url('/question/bank/deletequestion/delete.php',
array('deleteselected' => $questionlist, 'confirm' => md5($questionlist),
'sesskey' => sesskey(), 'returnurl' => $returnurl, 'cmid' => $cmid, 'courseid' => $courseid));
$continue = new \single_button($deleteurl, get_string('delete'), 'post');
echo $OUTPUT->confirm(get_string('deletequestionscheck', 'question', $questionnames), $continue, $returnurl);
}
echo $OUTPUT->footer();
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